[INFO] cloning repository https://github.com/pa3ng/rust-option-result
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pa3ng/rust-option-result" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpa3ng%2Frust-option-result", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpa3ng%2Frust-option-result'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 732e7f61d487bc5204d617d4b8be44bffbe07865
[INFO] testing pa3ng/rust-option-result against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpa3ng%2Frust-option-result" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pa3ng/rust-option-result 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/pa3ng/rust-option-result
[INFO] finished tweaking git repo https://github.com/pa3ng/rust-option-result
[INFO] tweaked toml for git repo https://github.com/pa3ng/rust-option-result written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pa3ng/rust-option-result 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6de6746ae215cb0e6178ed21a867fd36ed01919dcd6bae28e489af30a01a1e41
[INFO] running `Command { std: "docker" "start" "-a" "6de6746ae215cb0e6178ed21a867fd36ed01919dcd6bae28e489af30a01a1e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de6746ae215cb0e6178ed21a867fd36ed01919dcd6bae28e489af30a01a1e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de6746ae215cb0e6178ed21a867fd36ed01919dcd6bae28e489af30a01a1e41", kill_on_drop: false }`
[INFO] [stdout] 6de6746ae215cb0e6178ed21a867fd36ed01919dcd6bae28e489af30a01a1e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8a8fefd815de49ebb2f3f5f26d65dc877ddb48f11deb949e165cbd588638e477
[INFO] running `Command { std: "docker" "start" "-a" "8a8fefd815de49ebb2f3f5f26d65dc877ddb48f11deb949e165cbd588638e477", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling rust-option-result v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.55s
[INFO] running `Command { std: "docker" "inspect" "8a8fefd815de49ebb2f3f5f26d65dc877ddb48f11deb949e165cbd588638e477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8fefd815de49ebb2f3f5f26d65dc877ddb48f11deb949e165cbd588638e477", kill_on_drop: false }`
[INFO] [stdout] 8a8fefd815de49ebb2f3f5f26d65dc877ddb48f11deb949e165cbd588638e477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8eacb056e478e4fe9e54e786b8c222c0331c99bd09638d311a0e8b4f73e3f525
[INFO] running `Command { std: "docker" "start" "-a" "8eacb056e478e4fe9e54e786b8c222c0331c99bd09638d311a0e8b4f73e3f525", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-option-result v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "8eacb056e478e4fe9e54e786b8c222c0331c99bd09638d311a0e8b4f73e3f525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eacb056e478e4fe9e54e786b8c222c0331c99bd09638d311a0e8b4f73e3f525", kill_on_drop: false }`
[INFO] [stdout] 8eacb056e478e4fe9e54e786b8c222c0331c99bd09638d311a0e8b4f73e3f525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3588ced2606cecf00539b0c0abedeee4d38be07fb2ef0d094d14c0f3d402b15d
[INFO] running `Command { std: "docker" "start" "-a" "3588ced2606cecf00539b0c0abedeee4d38be07fb2ef0d094d14c0f3d402b15d", 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/rust_option_result-d69d4878853c7d42)
[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" "3588ced2606cecf00539b0c0abedeee4d38be07fb2ef0d094d14c0f3d402b15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3588ced2606cecf00539b0c0abedeee4d38be07fb2ef0d094d14c0f3d402b15d", kill_on_drop: false }`
[INFO] [stdout] 3588ced2606cecf00539b0c0abedeee4d38be07fb2ef0d094d14c0f3d402b15d