[INFO] cloning repository https://github.com/rcook/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcook/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae151017ff0a1f6a1f04e3093fbea6d48fd6cd94
[INFO] testing rcook/hello-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcook%2Fhello-rust" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rcook/hello-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rcook/hello-rust
[INFO] finished tweaking git repo https://github.com/rcook/hello-rust
[INFO] tweaked toml for git repo https://github.com/rcook/hello-rust written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/rcook/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dcdb5332130c03c48465d6354e5f6a74d52edb24ecbadaea20e1ba189dd7562
[INFO] running `Command { std: "docker" "start" "-a" "1dcdb5332130c03c48465d6354e5f6a74d52edb24ecbadaea20e1ba189dd7562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dcdb5332130c03c48465d6354e5f6a74d52edb24ecbadaea20e1ba189dd7562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcdb5332130c03c48465d6354e5f6a74d52edb24ecbadaea20e1ba189dd7562", kill_on_drop: false }`
[INFO] [stdout] 1dcdb5332130c03c48465d6354e5f6a74d52edb24ecbadaea20e1ba189dd7562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf6b5a77a44017340ab3b0f7f667388cd96c8948eab655e205de9890dbb334a
[INFO] running `Command { std: "docker" "start" "-a" "8cf6b5a77a44017340ab3b0f7f667388cd96c8948eab655e205de9890dbb334a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "8cf6b5a77a44017340ab3b0f7f667388cd96c8948eab655e205de9890dbb334a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf6b5a77a44017340ab3b0f7f667388cd96c8948eab655e205de9890dbb334a", kill_on_drop: false }`
[INFO] [stdout] 8cf6b5a77a44017340ab3b0f7f667388cd96c8948eab655e205de9890dbb334a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a423c8f7ce9e13e8638e8dfc8308501b60e6c366cfa0398c5888297ec8d051e6
[INFO] running `Command { std: "docker" "start" "-a" "a423c8f7ce9e13e8638e8dfc8308501b60e6c366cfa0398c5888297ec8d051e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a423c8f7ce9e13e8638e8dfc8308501b60e6c366cfa0398c5888297ec8d051e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a423c8f7ce9e13e8638e8dfc8308501b60e6c366cfa0398c5888297ec8d051e6", kill_on_drop: false }`
[INFO] [stdout] a423c8f7ce9e13e8638e8dfc8308501b60e6c366cfa0398c5888297ec8d051e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15bc986e3063d2d1eef4c8030dcebe280cb2cc2905550dc50d806ea4633bf6cf
[INFO] running `Command { std: "docker" "start" "-a" "15bc986e3063d2d1eef4c8030dcebe280cb2cc2905550dc50d806ea4633bf6cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-1ed4e8ba7b9b1dab)
[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" "15bc986e3063d2d1eef4c8030dcebe280cb2cc2905550dc50d806ea4633bf6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bc986e3063d2d1eef4c8030dcebe280cb2cc2905550dc50d806ea4633bf6cf", kill_on_drop: false }`
[INFO] [stdout] 15bc986e3063d2d1eef4c8030dcebe280cb2cc2905550dc50d806ea4633bf6cf