[INFO] cloning repository https://github.com/qinxiuchen/rust_course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qinxiuchen/rust_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiuchen%2Frust_course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiuchen%2Frust_course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 726f927a319dbf730da9905183aabbc169cb5449
[INFO] testing qinxiuchen/rust_course against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqinxiuchen%2Frust_course" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qinxiuchen/rust_course on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qinxiuchen/rust_course
[INFO] finished tweaking git repo https://github.com/qinxiuchen/rust_course
[INFO] tweaked toml for git repo https://github.com/qinxiuchen/rust_course written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/qinxiuchen/rust_course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8413a9f878845edb97f7a9f4238ddc31d1d3eb441d6b7c9d3c1525156f534ef7
[INFO] running `Command { std: "docker" "start" "-a" "8413a9f878845edb97f7a9f4238ddc31d1d3eb441d6b7c9d3c1525156f534ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8413a9f878845edb97f7a9f4238ddc31d1d3eb441d6b7c9d3c1525156f534ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8413a9f878845edb97f7a9f4238ddc31d1d3eb441d6b7c9d3c1525156f534ef7", kill_on_drop: false }`
[INFO] [stdout] 8413a9f878845edb97f7a9f4238ddc31d1d3eb441d6b7c9d3c1525156f534ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e2efb76d4197be7b11b3b5f60623036cdfeffbaedde82e5187745ec3611b4a1
[INFO] running `Command { std: "docker" "start" "-a" "4e2efb76d4197be7b11b3b5f60623036cdfeffbaedde82e5187745ec3611b4a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4e2efb76d4197be7b11b3b5f60623036cdfeffbaedde82e5187745ec3611b4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2efb76d4197be7b11b3b5f60623036cdfeffbaedde82e5187745ec3611b4a1", kill_on_drop: false }`
[INFO] [stdout] 4e2efb76d4197be7b11b3b5f60623036cdfeffbaedde82e5187745ec3611b4a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8100255cca7cb7c517ca1aa8c8e9cab50f0699fe7ed27becf20f6101f23bf753
[INFO] running `Command { std: "docker" "start" "-a" "8100255cca7cb7c517ca1aa8c8e9cab50f0699fe7ed27becf20f6101f23bf753", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "8100255cca7cb7c517ca1aa8c8e9cab50f0699fe7ed27becf20f6101f23bf753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8100255cca7cb7c517ca1aa8c8e9cab50f0699fe7ed27becf20f6101f23bf753", kill_on_drop: false }`
[INFO] [stdout] 8100255cca7cb7c517ca1aa8c8e9cab50f0699fe7ed27becf20f6101f23bf753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2eeffa3befeed944d0b94a84cd82c611a4bf8f0b7c511d0aa4597325d0b8eeee
[INFO] running `Command { std: "docker" "start" "-a" "2eeffa3befeed944d0b94a84cd82c611a4bf8f0b7c511d0aa4597325d0b8eeee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_course-41eb366ac00b7966)
[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" "2eeffa3befeed944d0b94a84cd82c611a4bf8f0b7c511d0aa4597325d0b8eeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eeffa3befeed944d0b94a84cd82c611a4bf8f0b7c511d0aa4597325d0b8eeee", kill_on_drop: false }`
[INFO] [stdout] 2eeffa3befeed944d0b94a84cd82c611a4bf8f0b7c511d0aa4597325d0b8eeee