Hello, I stumbled upon this error:
--8<---------------cut here---------------start------------->8--- $ guix time-machine --commit=897f303d2fa61497a931cf5fcb43349eb5f44c14 -- guix build -S icu4c@62.1 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 <bug-guix@gnu.org>. $ 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’.
