[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsencenan%2Frust_exercise" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sencenan/rust_exercise on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-7/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0279fde0db425f5a6b4c23c28638e117856ad50b9145767b061d46fca6f6c6
[INFO] running `Command { std: "docker" "start" "-a" "2b0279fde0db425f5a6b4c23c28638e117856ad50b9145767b061d46fca6f6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0279fde0db425f5a6b4c23c28638e117856ad50b9145767b061d46fca6f6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0279fde0db425f5a6b4c23c28638e117856ad50b9145767b061d46fca6f6c6", kill_on_drop: false }`
[INFO] [stdout] 2b0279fde0db425f5a6b4c23c28638e117856ad50b9145767b061d46fca6f6c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94850567caa6bbd6bdbba29418551da32cb01fb389d09f97ee85e5b4ac665cd3
[INFO] running `Command { std: "docker" "start" "-a" "94850567caa6bbd6bdbba29418551da32cb01fb389d09f97ee85e5b4ac665cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "94850567caa6bbd6bdbba29418551da32cb01fb389d09f97ee85e5b4ac665cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94850567caa6bbd6bdbba29418551da32cb01fb389d09f97ee85e5b4ac665cd3", kill_on_drop: false }`
[INFO] [stdout] 94850567caa6bbd6bdbba29418551da32cb01fb389d09f97ee85e5b4ac665cd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a5fc4b80b9266d0767eb7a7797fe2d4cda02bf81ca764dee9a38debc713b81
[INFO] running `Command { std: "docker" "start" "-a" "38a5fc4b80b9266d0767eb7a7797fe2d4cda02bf81ca764dee9a38debc713b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "38a5fc4b80b9266d0767eb7a7797fe2d4cda02bf81ca764dee9a38debc713b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a5fc4b80b9266d0767eb7a7797fe2d4cda02bf81ca764dee9a38debc713b81", kill_on_drop: false }`
[INFO] [stdout] 38a5fc4b80b9266d0767eb7a7797fe2d4cda02bf81ca764dee9a38debc713b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2623c0e5be171a5b273da164064e1ba7badec4fba08f613d2c1ad3d572b4a4c
[INFO] running `Command { std: "docker" "start" "-a" "a2623c0e5be171a5b273da164064e1ba7badec4fba08f613d2c1ad3d572b4a4c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exercise-26a06016ca0c8796)
[INFO] [stdout] test longest_common_prefix_14::tests::longest_common_prefix_test ... ok
[INFO] [stdout] test palindrome_number_9::tests::is_palindrome_test ... ok
[INFO] [stdout] test reverse_integer_7::tests::reverse_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] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2623c0e5be171a5b273da164064e1ba7badec4fba08f613d2c1ad3d572b4a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2623c0e5be171a5b273da164064e1ba7badec4fba08f613d2c1ad3d572b4a4c", kill_on_drop: false }`
[INFO] [stdout] a2623c0e5be171a5b273da164064e1ba7badec4fba08f613d2c1ad3d572b4a4c