Hello,
The situation is getting better here: --8<---------------cut here---------------start------------->8--- https://ci.guix.gnu.org 81.1% substitutes available (16,148 out of 19,921) at least 112,494.5 MiB of nars (compressed) 17,592,186,161,392.5 MiB on disk (uncompressed) 0.006 seconds per request (29.4 seconds in total) 162.1 requests per second --8<---------------cut here---------------end--------------->8--- I came up with a small script to pick randomly a failing package on the core-updates-frozen branch: --8<---------------cut here---------------start------------->8--- (use-modules (guix ci) (srfi srfi-1)) (define url "https://ci.guix.gnu.org";) (define system "x86_64-linux") (define evals (latest-evaluations "https://ci.guix.gnu.org"; 5 #:spec "core-updates-frozen")) (define (last-eval evals) (first (filter-map (lambda (eval) (and (evaluation-complete? eval) (evaluation-id eval))) evals))) (define eval (last-eval evals)) (define failed-builds (filter-map (lambda (job) (and (eq? (job-status job) 'failed) (job-name job))) (evaluation-jobs url eval))) (define %seed (seed->random-state (logxor (getpid) (car (gettimeofday))))) (define failed-for-system (filter-map (lambda (job) (and (string-suffix? system job) job)) failed-builds)) (format #t "~a~%" (list-ref failed-for-system (random (length failed-for-system) %seed))) --8<---------------cut here---------------end--------------->8--- For instance: --8<---------------cut here---------------start------------->8--- mathieu@meije ~/guix [env]$ guix repl ~/tmp/fix.scm rust-test-case.x86_64-linux mathieu@meije ~/guix [env]$ guix repl ~/tmp/fix.scm rust-tungstenite.x86_64-linux --8<---------------cut here---------------end--------------->8--- That's a fun little game :) Mathieu
