[INFO] updating cached repository https://github.com/yu2ta7ka/arabic_to_roman
[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] c91b29a0366ab56cf0d794d3a0d7c3136665eff9
[INFO] testing yu2ta7ka/arabic_to_roman against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu2ta7ka%2Farabic_to_roman" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yu2ta7ka/arabic_to_roman 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/yu2ta7ka/arabic_to_roman
[INFO] finished tweaking git repo https://github.com/yu2ta7ka/arabic_to_roman
[INFO] tweaked toml for git repo https://github.com/yu2ta7ka/arabic_to_roman written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/yu2ta7ka/arabic_to_roman 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3620d0b61ab6d9fd20314e7f82e7ee49e5c19850b777de78238366af032beeb8
[INFO] running `"docker" "start" "-a" "3620d0b61ab6d9fd20314e7f82e7ee49e5c19850b777de78238366af032beeb8"`
[INFO] [stderr]    Compiling arabic_to_roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "3620d0b61ab6d9fd20314e7f82e7ee49e5c19850b777de78238366af032beeb8"`
[INFO] running `"docker" "rm" "-f" "3620d0b61ab6d9fd20314e7f82e7ee49e5c19850b777de78238366af032beeb8"`
[INFO] [stdout] 3620d0b61ab6d9fd20314e7f82e7ee49e5c19850b777de78238366af032beeb8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 67a17ca9a56dce10ff7e884e65729ed4f850a101335c3d357c3930344328f58c
[INFO] running `"docker" "start" "-a" "67a17ca9a56dce10ff7e884e65729ed4f850a101335c3d357c3930344328f58c"`
[INFO] [stderr]    Compiling arabic_to_roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "67a17ca9a56dce10ff7e884e65729ed4f850a101335c3d357c3930344328f58c"`
[INFO] running `"docker" "rm" "-f" "67a17ca9a56dce10ff7e884e65729ed4f850a101335c3d357c3930344328f58c"`
[INFO] [stdout] 67a17ca9a56dce10ff7e884e65729ed4f850a101335c3d357c3930344328f58c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6e9a1c9b8bb1c38e54edd2353f90403f468ce29325b79b147ccf0dcee76b30fb
[INFO] running `"docker" "start" "-a" "6e9a1c9b8bb1c38e54edd2353f90403f468ce29325b79b147ccf0dcee76b30fb"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arabic_to_roman-3ed1fed1c44263e5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test arabic_to_roman_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6e9a1c9b8bb1c38e54edd2353f90403f468ce29325b79b147ccf0dcee76b30fb"`
[INFO] running `"docker" "rm" "-f" "6e9a1c9b8bb1c38e54edd2353f90403f468ce29325b79b147ccf0dcee76b30fb"`
[INFO] [stdout] 6e9a1c9b8bb1c38e54edd2353f90403f468ce29325b79b147ccf0dcee76b30fb