[INFO] cloning repository https://github.com/shornekomi/rust_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shornekomi/rust_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshornekomi%2Frust_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshornekomi%2Frust_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c1d5627a123aca7e9fbfa8267c9e43f636f7b90
[INFO] testing shornekomi/rust_lib against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshornekomi%2Frust_lib" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shornekomi/rust_lib 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/shornekomi/rust_lib
[INFO] finished tweaking git repo https://github.com/shornekomi/rust_lib
[INFO] tweaked toml for git repo https://github.com/shornekomi/rust_lib written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/shornekomi/rust_lib 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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] f8d605de1edf4b3de71d746d8d9ec5784a0b8a83f4a972d942084a31fbcb0e84
[INFO] running `Command { std: "docker" "start" "-a" "f8d605de1edf4b3de71d746d8d9ec5784a0b8a83f4a972d942084a31fbcb0e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8d605de1edf4b3de71d746d8d9ec5784a0b8a83f4a972d942084a31fbcb0e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d605de1edf4b3de71d746d8d9ec5784a0b8a83f4a972d942084a31fbcb0e84", kill_on_drop: false }`
[INFO] [stdout] f8d605de1edf4b3de71d746d8d9ec5784a0b8a83f4a972d942084a31fbcb0e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 19a464dc03710696b25048c2c63321c3dcb48e1e1eb687033e7d4c2a2072984f
[INFO] running `Command { std: "docker" "start" "-a" "19a464dc03710696b25048c2c63321c3dcb48e1e1eb687033e7d4c2a2072984f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "19a464dc03710696b25048c2c63321c3dcb48e1e1eb687033e7d4c2a2072984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a464dc03710696b25048c2c63321c3dcb48e1e1eb687033e7d4c2a2072984f", kill_on_drop: false }`
[INFO] [stdout] 19a464dc03710696b25048c2c63321c3dcb48e1e1eb687033e7d4c2a2072984f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] a9f5962f53f407f827f496461233f6bc390334b4dd225c368d1cb1a7398bed8a
[INFO] running `Command { std: "docker" "start" "-a" "a9f5962f53f407f827f496461233f6bc390334b4dd225c368d1cb1a7398bed8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a9f5962f53f407f827f496461233f6bc390334b4dd225c368d1cb1a7398bed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f5962f53f407f827f496461233f6bc390334b4dd225c368d1cb1a7398bed8a", kill_on_drop: false }`
[INFO] [stdout] a9f5962f53f407f827f496461233f6bc390334b4dd225c368d1cb1a7398bed8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 3ae8b2183ed23a634b2cb682fcd601d91100aa38a30294b8019bf7b272fcee12
[INFO] running `Command { std: "docker" "start" "-a" "3ae8b2183ed23a634b2cb682fcd601d91100aa38a30294b8019bf7b272fcee12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-460d51cd54ad5aaa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "3ae8b2183ed23a634b2cb682fcd601d91100aa38a30294b8019bf7b272fcee12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae8b2183ed23a634b2cb682fcd601d91100aa38a30294b8019bf7b272fcee12", kill_on_drop: false }`
[INFO] [stdout] 3ae8b2183ed23a634b2cb682fcd601d91100aa38a30294b8019bf7b272fcee12