[INFO] cloning repository https://github.com/dskkato/last_comma_deleter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dskkato/last_comma_deleter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Flast_comma_deleter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Flast_comma_deleter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17a15b5743cf1ddd996d7c762bda17738de3f24c
[INFO] testing dskkato/last_comma_deleter against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdskkato%2Flast_comma_deleter" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dskkato/last_comma_deleter on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dskkato/last_comma_deleter
[INFO] finished tweaking git repo https://github.com/dskkato/last_comma_deleter
[INFO] tweaked toml for git repo https://github.com/dskkato/last_comma_deleter written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dskkato/last_comma_deleter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 210ab741456b8dda465c3f502daa9b5ad68ea8152532487180c37660e457b5cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "210ab741456b8dda465c3f502daa9b5ad68ea8152532487180c37660e457b5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "210ab741456b8dda465c3f502daa9b5ad68ea8152532487180c37660e457b5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210ab741456b8dda465c3f502daa9b5ad68ea8152532487180c37660e457b5cb", kill_on_drop: false }`
[INFO] [stdout] 210ab741456b8dda465c3f502daa9b5ad68ea8152532487180c37660e457b5cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d71bc16a4a83dcceea7e5863a99ad7d5228d3297787b004b3f1758b5f857a1e
[INFO] running `Command { std: "docker" "start" "-a" "6d71bc16a4a83dcceea7e5863a99ad7d5228d3297787b004b3f1758b5f857a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling last_comma_deleter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "6d71bc16a4a83dcceea7e5863a99ad7d5228d3297787b004b3f1758b5f857a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d71bc16a4a83dcceea7e5863a99ad7d5228d3297787b004b3f1758b5f857a1e", kill_on_drop: false }`
[INFO] [stdout] 6d71bc16a4a83dcceea7e5863a99ad7d5228d3297787b004b3f1758b5f857a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6150b0b2db5717ad123442b4726410b14571a062c82d44b69d5065d326532204
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6150b0b2db5717ad123442b4726410b14571a062c82d44b69d5065d326532204", kill_on_drop: false }`
[INFO] [stderr]    Compiling last_comma_deleter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "6150b0b2db5717ad123442b4726410b14571a062c82d44b69d5065d326532204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6150b0b2db5717ad123442b4726410b14571a062c82d44b69d5065d326532204", kill_on_drop: false }`
[INFO] [stdout] 6150b0b2db5717ad123442b4726410b14571a062c82d44b69d5065d326532204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a07693eefbaa1b1f9b3bc3a9632b859b4fc14583fed85b0377a06ee3d6ad8ff8
[INFO] running `Command { std: "docker" "start" "-a" "a07693eefbaa1b1f9b3bc3a9632b859b4fc14583fed85b0377a06ee3d6ad8ff8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/last_comma_deleter-36b3dffc45346c44
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a07693eefbaa1b1f9b3bc3a9632b859b4fc14583fed85b0377a06ee3d6ad8ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07693eefbaa1b1f9b3bc3a9632b859b4fc14583fed85b0377a06ee3d6ad8ff8", kill_on_drop: false }`
[INFO] [stdout] a07693eefbaa1b1f9b3bc3a9632b859b4fc14583fed85b0377a06ee3d6ad8ff8