[INFO] cloning repository https://github.com/youyi-zhang-o/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/youyi-zhang-o/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouyi-zhang-o%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouyi-zhang-o%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46745df8c83bbab7e1fc62321c6ad9685fac6b3e
[INFO] testing youyi-zhang-o/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%2Fyouyi-zhang-o%2Fhello-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youyi-zhang-o/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/youyi-zhang-o/hello-rust
[INFO] finished tweaking git repo https://github.com/youyi-zhang-o/hello-rust
[INFO] tweaked toml for git repo https://github.com/youyi-zhang-o/hello-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/youyi-zhang-o/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4f2edd2bbd83da87bdd2fa972245be8b9054c006da5b15705166d9c592c1e7f6
[INFO] running `Command { std: "docker" "start" "-a" "4f2edd2bbd83da87bdd2fa972245be8b9054c006da5b15705166d9c592c1e7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2edd2bbd83da87bdd2fa972245be8b9054c006da5b15705166d9c592c1e7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2edd2bbd83da87bdd2fa972245be8b9054c006da5b15705166d9c592c1e7f6", kill_on_drop: false }`
[INFO] [stdout] 4f2edd2bbd83da87bdd2fa972245be8b9054c006da5b15705166d9c592c1e7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ec43709ae6b55ffa0e07055ed1452376d09992eabc87fff84450f8a0c07c4d58
[INFO] running `Command { std: "docker" "start" "-a" "ec43709ae6b55ffa0e07055ed1452376d09992eabc87fff84450f8a0c07c4d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "ec43709ae6b55ffa0e07055ed1452376d09992eabc87fff84450f8a0c07c4d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec43709ae6b55ffa0e07055ed1452376d09992eabc87fff84450f8a0c07c4d58", kill_on_drop: false }`
[INFO] [stdout] ec43709ae6b55ffa0e07055ed1452376d09992eabc87fff84450f8a0c07c4d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 14b46aedaf290981b2928e36127d79125c3e8da639ffc682c66a78206f43063f
[INFO] running `Command { std: "docker" "start" "-a" "14b46aedaf290981b2928e36127d79125c3e8da639ffc682c66a78206f43063f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "14b46aedaf290981b2928e36127d79125c3e8da639ffc682c66a78206f43063f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b46aedaf290981b2928e36127d79125c3e8da639ffc682c66a78206f43063f", kill_on_drop: false }`
[INFO] [stdout] 14b46aedaf290981b2928e36127d79125c3e8da639ffc682c66a78206f43063f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0b4fa4c4ccd7a4fa9558a24246a0e64c48d460e7c881dc15e4971f77b148aab9
[INFO] running `Command { std: "docker" "start" "-a" "0b4fa4c4ccd7a4fa9558a24246a0e64c48d460e7c881dc15e4971f77b148aab9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-1ed4e8ba7b9b1dab)
[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" "0b4fa4c4ccd7a4fa9558a24246a0e64c48d460e7c881dc15e4971f77b148aab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4fa4c4ccd7a4fa9558a24246a0e64c48d460e7c881dc15e4971f77b148aab9", kill_on_drop: false }`
[INFO] [stdout] 0b4fa4c4ccd7a4fa9558a24246a0e64c48d460e7c881dc15e4971f77b148aab9