[INFO] cloning repository https://github.com/YasushiKobayashi/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YasushiKobayashi/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYasushiKobayashi%2Frust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYasushiKobayashi%2Frust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12c489af482f1356e2fb18b0ce3f514d7a1aba93
[INFO] testing YasushiKobayashi/rust-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYasushiKobayashi%2Frust-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YasushiKobayashi/rust-example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YasushiKobayashi/rust-example
[INFO] finished tweaking git repo https://github.com/YasushiKobayashi/rust-example
[INFO] tweaked toml for git repo https://github.com/YasushiKobayashi/rust-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/YasushiKobayashi/rust-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47975c256dddb296d3695c24fa4c9622534a00551b09cefb485e42ff85fa5a67
[INFO] running `Command { std: "docker" "start" "-a" "47975c256dddb296d3695c24fa4c9622534a00551b09cefb485e42ff85fa5a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47975c256dddb296d3695c24fa4c9622534a00551b09cefb485e42ff85fa5a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47975c256dddb296d3695c24fa4c9622534a00551b09cefb485e42ff85fa5a67", kill_on_drop: false }`
[INFO] [stdout] 47975c256dddb296d3695c24fa4c9622534a00551b09cefb485e42ff85fa5a67
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51375dfad7f4efdd3cb9ab52d798b4f9339f10a25b2e2734b8f599339a3466ac
[INFO] running `Command { std: "docker" "start" "-a" "51375dfad7f4efdd3cb9ab52d798b4f9339f10a25b2e2734b8f599339a3466ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rustexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "51375dfad7f4efdd3cb9ab52d798b4f9339f10a25b2e2734b8f599339a3466ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51375dfad7f4efdd3cb9ab52d798b4f9339f10a25b2e2734b8f599339a3466ac", kill_on_drop: false }`
[INFO] [stdout] 51375dfad7f4efdd3cb9ab52d798b4f9339f10a25b2e2734b8f599339a3466ac
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a5c410d3b06fe199db2d5e3a579ed071c3a91bb5561f2e802492b82d2ce810
[INFO] running `Command { std: "docker" "start" "-a" "76a5c410d3b06fe199db2d5e3a579ed071c3a91bb5561f2e802492b82d2ce810", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "76a5c410d3b06fe199db2d5e3a579ed071c3a91bb5561f2e802492b82d2ce810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a5c410d3b06fe199db2d5e3a579ed071c3a91bb5561f2e802492b82d2ce810", kill_on_drop: false }`
[INFO] [stdout] 76a5c410d3b06fe199db2d5e3a579ed071c3a91bb5561f2e802492b82d2ce810
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8bb3712a243ca2697e561fa34c66310cca9c7b20a122a96ec3dda4981d7303a
[INFO] running `Command { std: "docker" "start" "-a" "a8bb3712a243ca2697e561fa34c66310cca9c7b20a122a96ec3dda4981d7303a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustexample-f1a4545e13f4925a)
[INFO] [stdout] test guess_secret_number_not_same ... ok
[INFO] [stdout] test guess_secret_number_same ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8bb3712a243ca2697e561fa34c66310cca9c7b20a122a96ec3dda4981d7303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bb3712a243ca2697e561fa34c66310cca9c7b20a122a96ec3dda4981d7303a", kill_on_drop: false }`
[INFO] [stdout] a8bb3712a243ca2697e561fa34c66310cca9c7b20a122a96ec3dda4981d7303a