[INFO] cloning repository https://github.com/islishude/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/islishude/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislishude%2Frust_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislishude%2Frust_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9de057271d9b14c7de1df6d8f2cc4e1e8cb4ef8a
[INFO] testing islishude/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%2Fislishude%2Frust_example" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/islishude/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/islishude/rust_example
[INFO] finished tweaking git repo https://github.com/islishude/rust_example
[INFO] tweaked toml for git repo https://github.com/islishude/rust_example written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/islishude/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 69b9cd1e006bd5d878e8e65d234821c120350dd18f9953684a1bdf2b5a2f722b
[INFO] running `Command { std: "docker" "start" "-a" "69b9cd1e006bd5d878e8e65d234821c120350dd18f9953684a1bdf2b5a2f722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69b9cd1e006bd5d878e8e65d234821c120350dd18f9953684a1bdf2b5a2f722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b9cd1e006bd5d878e8e65d234821c120350dd18f9953684a1bdf2b5a2f722b", kill_on_drop: false }`
[INFO] [stdout] 69b9cd1e006bd5d878e8e65d234821c120350dd18f9953684a1bdf2b5a2f722b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] c3e844839e0ee897aac1554eab897b11d448bf614a790952e73f972ded79bcf6
[INFO] running `Command { std: "docker" "start" "-a" "c3e844839e0ee897aac1554eab897b11d448bf614a790952e73f972ded79bcf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rust_starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "c3e844839e0ee897aac1554eab897b11d448bf614a790952e73f972ded79bcf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e844839e0ee897aac1554eab897b11d448bf614a790952e73f972ded79bcf6", kill_on_drop: false }`
[INFO] [stdout] c3e844839e0ee897aac1554eab897b11d448bf614a790952e73f972ded79bcf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] fe0fa8aaf900024c36c5f5e49141f783afc7698efedad006106a38832d84010b
[INFO] running `Command { std: "docker" "start" "-a" "fe0fa8aaf900024c36c5f5e49141f783afc7698efedad006106a38832d84010b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "fe0fa8aaf900024c36c5f5e49141f783afc7698efedad006106a38832d84010b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe0fa8aaf900024c36c5f5e49141f783afc7698efedad006106a38832d84010b", kill_on_drop: false }`
[INFO] [stdout] fe0fa8aaf900024c36c5f5e49141f783afc7698efedad006106a38832d84010b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 809f4bcafddacf1ef7c4f65113b97e11d5d4f917f3f9a99d40bc428b78507729
[INFO] running `Command { std: "docker" "start" "-a" "809f4bcafddacf1ef7c4f65113b97e11d5d4f917f3f9a99d40bc428b78507729", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_starter-069c04bdcaaf831b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test math::test::add_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "809f4bcafddacf1ef7c4f65113b97e11d5d4f917f3f9a99d40bc428b78507729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809f4bcafddacf1ef7c4f65113b97e11d5d4f917f3f9a99d40bc428b78507729", kill_on_drop: false }`
[INFO] [stdout] 809f4bcafddacf1ef7c4f65113b97e11d5d4f917f3f9a99d40bc428b78507729