Subject: bug#42519: closed (Re: bug#42519: Failure to travel back in time from July 2020 to Dec. 2018)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 24 Jul 2020 16:58:01 +0000

Your bug report

#42519: Failure to travel back in time from July 2020 to Dec. 2018

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
42519: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42519
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#42519: Failure to travel back in time from July 2020 to Dec. 2018
From: Ludovic Courtès <[email-masked]>
To: [email-masked]
Date: Fri, 24 Jul 2020 18:57:11 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Ludovic Courtès <[email-masked]> skribis:

> $ guix time-machine --commit=897f303d2fa61497a931cf5fcb43349eb5f44c14 -- guix build -S [email-masked]

Fixed in e85d7ed60905f059686650c3ab21b42500f09351.

Ludo'.

Subject: Failure to travel back in time from July 2020 to Dec. 2018
From: Ludovic Courtès <[email-masked]>
To: <[email-masked]>
Date: Fri, 24 Jul 2020 17:00:29 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

Hello,

I stumbled upon this error:

--8<---------------cut here---------------start------------->8---
$ guix time-machine --commit=897f303d2fa61497a931cf5fcb43349eb5f44c14 -- guix build -S [email-masked]
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
La jenaj derivoj estos konstruataj:
   /gnu/store/znxvzayw1nfb8z8zky65yz6bgwllyfkp-compute-guix-derivation.drv
   /gnu/store/bbh2vbm4f9n8dqc75dkkd4ja4zr5sw8s-module-import.drv
   /gnu/store/9xpasxjf8skkwrn5d98cywnjxb3g68xd-config.scm.drv
   /gnu/store/m492my56x76vl8xrpkski8ax6x5rbppj-hash.scm.drv
   /gnu/store/f661ns6g7xbv293yprics4gxnjgxhh5n-module-import-compiled.drv
building /gnu/store/9xpasxjf8skkwrn5d98cywnjxb3g68xd-config.scm.drv...
building /gnu/store/m492my56x76vl8xrpkski8ax6x5rbppj-hash.scm.drv...
building /gnu/store/bbh2vbm4f9n8dqc75dkkd4ja4zr5sw8s-module-import.drv...
building /gnu/store/f661ns6g7xbv293yprics4gxnjgxhh5n-module-import-compiled.drv...
building /gnu/store/znxvzayw1nfb8z8zky65yz6bgwllyfkp-compute-guix-derivation.drv...
;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/store.go failed:
;;; In procedure load-thunk-from-memory: incompatible bytecode kind
;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/utils.go failed:
;;; In procedure load-thunk-from-memory: incompatible bytecode kind
;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/config.go failed:
;;; In procedure load-thunk-from-memory: incompatible bytecode kind
;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/memoization.go failed:
;;; In procedure load-thunk-from-memory: incompatible bytecode kind
;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/profiling.go failed:

[…]

;;; WARNING: loading compiled file /gnu/store/rmsvza0gc8hayx61m54zpbb7rcbrf4zq-module-import-compiled/guix/build/compile.go failed:
;;; In procedure load-thunk-from-memory: incompatible bytecode kind
Backtrace:
In ice-9/boot-9.scm:
   222:29 19 (map1 _)
   222:29 18 (map1 _)
   222:29 17 (map1 (((guix packages)) ((guix sets)) ((guix #)) (…) …))
   222:29 16 (map1 (((guix sets)) ((guix modules)) ((guix # #) # …) …))
   222:29 15 (map1 (((guix modules)) ((guix build utils) # (#)) (…) …))
   222:29 14 (map1 (((guix build utils) #:select (find-files)) (…) …))
   222:17 13 (map1 (((guix build compile) #:select (#)) ((srfi #)) …))
  3297:17 12 (resolve-interface (guix build compile) #:select _ # _ # …)
In ice-9/threads.scm:
    390:8 11 (_ _)
In ice-9/boot-9.scm:
  3223:13 10 (_)
In ice-9/threads.scm:
    390:8  9 (_ _)
In ice-9/boot-9.scm:
  3507:20  8 (_)
   2806:4  7 (save-module-excursion #<procedure 7f5972fba0f0 at ice-…>)
  3527:26  6 (_)
In unknown file:
           5 (primitive-load-path "guix/build/compile" #<procedure 7…>)
In ice-9/eval.scm:
   626:19  4 (_ #<directory (guix build compile) 7f5971e90780>)
    159:9  3 (_ #<directory (guix build compile) 7f5971e90780>)
   182:19  2 (proc #<directory (guix build compile) 7f5971e90780>)
   142:16  1 (compile-top-call #<directory (guix build compile) 7f5…> …)
In unknown file:
           0 (%resolve-variable (7 . #) #<directory (guix build comp…>)

ERROR: In procedure %resolve-variable:
Unbound variable: tree-il-default-optimization-options
guix time-machine: error: You found a bug: the program '/gnu/store/cxf0z06wqbj43cmxishycj0k6s0694d9-compute-guix-derivation'
failed to compute the derivation for Guix (version: "897f303d2fa61497a931cf5fcb43349eb5f44c14"; system: "x86_64-linux";
host version: "cd0c4268d74e58fcfe9c729183d90665f4abbb09"; pull-version: 1).
Please report it by email to <[email-masked]>.

$ guix describe
Generacio 151   Jul 20 2020 11:16:29    (nuna)
  guix cd0c426
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: cd0c4268d74e58fcfe9c729183d90665f4abbb09
--8<---------------cut here---------------end--------------->8---

In that 2018 commit, (guix build compile) looks like this:

--8<---------------cut here---------------start------------->8---
(define-module (guix build compile)
  #:use-module (ice-9 match)
  #:use-module (ice-9 format)
  #:use-module (ice-9 threads)
  #:use-module (system base target)
  #:use-module (system base compile)
  #:use-module (system base message)
  #:use-module (guix modules)
  #:use-module (guix build utils)
  #:export (%default-optimizations
            %lightweight-optimizations
            compile-files))

;; [...]

(define %default-optimizations
  ;; Default optimization options (equivalent to -O2 on Guile 2.2).
  (cond-expand
    (guile-2.2 (append (tree-il-default-optimization-options)
                       (cps-default-optimization-options)))
    (else '())))
--8<---------------cut here---------------end--------------->8---

Ludo’.