[INFO] cloning repository https://github.com/zzeroo/hello-world-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzeroo/hello-world-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fhello-world-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fhello-world-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6a130aea823ddbfea75fb695b5abd8e03a1cc7d
[INFO] testing zzeroo/hello-world-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fhello-world-rs" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzeroo/hello-world-rs 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/zzeroo/hello-world-rs
[INFO] finished tweaking git repo https://github.com/zzeroo/hello-world-rs
[INFO] tweaked toml for git repo https://github.com/zzeroo/hello-world-rs written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/zzeroo/hello-world-rs 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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] da63b4a70df8ced320646677e118d90248a1e692ddbf7b5f6200d9bccce22fbb
[INFO] running `Command { std: "docker" "start" "-a" "da63b4a70df8ced320646677e118d90248a1e692ddbf7b5f6200d9bccce22fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da63b4a70df8ced320646677e118d90248a1e692ddbf7b5f6200d9bccce22fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da63b4a70df8ced320646677e118d90248a1e692ddbf7b5f6200d9bccce22fbb", kill_on_drop: false }`
[INFO] [stdout] da63b4a70df8ced320646677e118d90248a1e692ddbf7b5f6200d9bccce22fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f0748438d89ab8e8c1bc9b6c731143edd89f0dbc885f4eefd73382772e36a0a2
[INFO] running `Command { std: "docker" "start" "-a" "f0748438d89ab8e8c1bc9b6c731143edd89f0dbc885f4eefd73382772e36a0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "f0748438d89ab8e8c1bc9b6c731143edd89f0dbc885f4eefd73382772e36a0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0748438d89ab8e8c1bc9b6c731143edd89f0dbc885f4eefd73382772e36a0a2", kill_on_drop: false }`
[INFO] [stdout] f0748438d89ab8e8c1bc9b6c731143edd89f0dbc885f4eefd73382772e36a0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 84daf58e109ac337c9af941a4325fce08337cd7bbb77a7b3ae5508611d0c4e65
[INFO] running `Command { std: "docker" "start" "-a" "84daf58e109ac337c9af941a4325fce08337cd7bbb77a7b3ae5508611d0c4e65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "84daf58e109ac337c9af941a4325fce08337cd7bbb77a7b3ae5508611d0c4e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84daf58e109ac337c9af941a4325fce08337cd7bbb77a7b3ae5508611d0c4e65", kill_on_drop: false }`
[INFO] [stdout] 84daf58e109ac337c9af941a4325fce08337cd7bbb77a7b3ae5508611d0c4e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 84c88d87a8ba62f045654e3240e041b78ec929730f148f5c8929cc796c4e3a51
[INFO] running `Command { std: "docker" "start" "-a" "84c88d87a8ba62f045654e3240e041b78ec929730f148f5c8929cc796c4e3a51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-f04eb0d6f2262a8c)
[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" "84c88d87a8ba62f045654e3240e041b78ec929730f148f5c8929cc796c4e3a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c88d87a8ba62f045654e3240e041b78ec929730f148f5c8929cc796c4e3a51", kill_on_drop: false }`
[INFO] [stdout] 84c88d87a8ba62f045654e3240e041b78ec929730f148f5c8929cc796c4e3a51