[INFO] cloning repository https://github.com/sencenan/rust_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sencenan/rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07edbd04683e454024a53ae19f08e69eada623ad
[INFO] testing sencenan/rust_exercise against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sencenan/rust_exercise on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sencenan/rust_exercise
[INFO] finished tweaking git repo https://github.com/sencenan/rust_exercise
[INFO] tweaked toml for git repo https://github.com/sencenan/rust_exercise written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/sencenan/rust_exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457d08d0de091f4aa7c332ebd75de923c2efe73998a2653536e6ae58e52d16df
[INFO] running `Command { std: "docker" "start" "-a" "457d08d0de091f4aa7c332ebd75de923c2efe73998a2653536e6ae58e52d16df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457d08d0de091f4aa7c332ebd75de923c2efe73998a2653536e6ae58e52d16df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457d08d0de091f4aa7c332ebd75de923c2efe73998a2653536e6ae58e52d16df", kill_on_drop: false }`
[INFO] [stdout] 457d08d0de091f4aa7c332ebd75de923c2efe73998a2653536e6ae58e52d16df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60a9ed43e872ce1c930d4fe0e5b6d1192d50d409414e90794bdbe7516ea05dbb
[INFO] running `Command { std: "docker" "start" "-a" "60a9ed43e872ce1c930d4fe0e5b6d1192d50d409414e90794bdbe7516ea05dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "60a9ed43e872ce1c930d4fe0e5b6d1192d50d409414e90794bdbe7516ea05dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a9ed43e872ce1c930d4fe0e5b6d1192d50d409414e90794bdbe7516ea05dbb", kill_on_drop: false }`
[INFO] [stdout] 60a9ed43e872ce1c930d4fe0e5b6d1192d50d409414e90794bdbe7516ea05dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b27407325293af49e893008ed08924b91c7874477f72fed9500cc04274a27c0d
[INFO] running `Command { std: "docker" "start" "-a" "b27407325293af49e893008ed08924b91c7874477f72fed9500cc04274a27c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b27407325293af49e893008ed08924b91c7874477f72fed9500cc04274a27c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27407325293af49e893008ed08924b91c7874477f72fed9500cc04274a27c0d", kill_on_drop: false }`
[INFO] [stdout] b27407325293af49e893008ed08924b91c7874477f72fed9500cc04274a27c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38b71052a612e8ea2b1ad3a62086989242a83af3bb325255820c447d03830e14
[INFO] running `Command { std: "docker" "start" "-a" "38b71052a612e8ea2b1ad3a62086989242a83af3bb325255820c447d03830e14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exercise-72f2658c555e9931)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test longest_common_prefix_14::tests::longest_common_prefix_test ... ok
[INFO] [stdout] test roman_to_integer_13::tests::roman_to_int_test ... ok
[INFO] [stdout] test valid_parentheses_20::tests::is_valid_test ... ok
[INFO] [stdout] test reverse_integer_7::tests::reverse_test ... ok
[INFO] [stdout] test palindrome_number_9::tests::is_palindrome_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38b71052a612e8ea2b1ad3a62086989242a83af3bb325255820c447d03830e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b71052a612e8ea2b1ad3a62086989242a83af3bb325255820c447d03830e14", kill_on_drop: false }`
[INFO] [stdout] 38b71052a612e8ea2b1ad3a62086989242a83af3bb325255820c447d03830e14