[INFO] updating cached repository https://github.com/CamilleDrapier/sudoku-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34486daf948ab0c3d5b7486e46f0b93a47d43209
[INFO] testing CamilleDrapier/sudoku-rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCamilleDrapier%2Fsudoku-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CamilleDrapier/sudoku-rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CamilleDrapier/sudoku-rs
[INFO] finished tweaking git repo https://github.com/CamilleDrapier/sudoku-rs
[INFO] tweaked toml for git repo https://github.com/CamilleDrapier/sudoku-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/CamilleDrapier/sudoku-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf6b010847bfa92a3b081a97f9296c595f27c17549fe1264b9eb1ff4607bb5f2
[INFO] running `"docker" "start" "-a" "cf6b010847bfa92a3b081a97f9296c595f27c17549fe1264b9eb1ff4607bb5f2"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "cf6b010847bfa92a3b081a97f9296c595f27c17549fe1264b9eb1ff4607bb5f2"`
[INFO] running `"docker" "rm" "-f" "cf6b010847bfa92a3b081a97f9296c595f27c17549fe1264b9eb1ff4607bb5f2"`
[INFO] [stdout] cf6b010847bfa92a3b081a97f9296c595f27c17549fe1264b9eb1ff4607bb5f2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b57913499fd401bb141c378bedafe05ac38e5872146123ee08e4cff717a70e09
[INFO] running `"docker" "start" "-a" "b57913499fd401bb141c378bedafe05ac38e5872146123ee08e4cff717a70e09"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "b57913499fd401bb141c378bedafe05ac38e5872146123ee08e4cff717a70e09"`
[INFO] running `"docker" "rm" "-f" "b57913499fd401bb141c378bedafe05ac38e5872146123ee08e4cff717a70e09"`
[INFO] [stdout] b57913499fd401bb141c378bedafe05ac38e5872146123ee08e4cff717a70e09
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0655a0ce63043ab12f1b78ce9102f66d39eb3a76fb5403449b3d401b3be17cbe
[INFO] running `"docker" "start" "-a" "0655a0ce63043ab12f1b78ce9102f66d39eb3a76fb5403449b3d401b3be17cbe"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku-6459c49e647ae2b7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sudoku-1e44bbe8b35a8ad4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/soduku-364dac5e60be689c
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test it_checks_impossible ... ok
[INFO] [stdout] test it_finds_potentials_in_a_cell ... ok
[INFO] [stdout] test it_finds_potentials_in_an_empty_cell ... ok
[INFO] [stdout] test it_inits_all_none ... ok
[INFO] [stdout] test it_finds_no_potentials_in_a_cell ... ok
[INFO] [stdout] test it_gets_values ... ok
[INFO] [stdout] test it_returns_a_solved_grid ... ok
[INFO] [stdout] test it_solves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sudoku
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0655a0ce63043ab12f1b78ce9102f66d39eb3a76fb5403449b3d401b3be17cbe"`
[INFO] running `"docker" "rm" "-f" "0655a0ce63043ab12f1b78ce9102f66d39eb3a76fb5403449b3d401b3be17cbe"`
[INFO] [stdout] 0655a0ce63043ab12f1b78ce9102f66d39eb3a76fb5403449b3d401b3be17cbe