[INFO] cloning repository https://github.com/agoodstart/rust-yaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agoodstart/rust-yaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Frust-yaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Frust-yaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d733800961835139114dc09c50e2a78c834dd8d9
[INFO] testing agoodstart/rust-yaml against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Frust-yaml" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agoodstart/rust-yaml 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/agoodstart/rust-yaml
[INFO] finished tweaking git repo https://github.com/agoodstart/rust-yaml
[INFO] tweaked toml for git repo https://github.com/agoodstart/rust-yaml written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/agoodstart/rust-yaml 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 923fa3c33dcc718af7fd3c551da5f901109aa264b21afb0c88108f4716f91054
[INFO] running `Command { std: "docker" "start" "-a" "923fa3c33dcc718af7fd3c551da5f901109aa264b21afb0c88108f4716f91054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923fa3c33dcc718af7fd3c551da5f901109aa264b21afb0c88108f4716f91054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923fa3c33dcc718af7fd3c551da5f901109aa264b21afb0c88108f4716f91054", kill_on_drop: false }`
[INFO] [stdout] 923fa3c33dcc718af7fd3c551da5f901109aa264b21afb0c88108f4716f91054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 7425725118a64ecc646393b03e18634408e0cf56e1db4e223e3328c62e53b837
[INFO] running `Command { std: "docker" "start" "-a" "7425725118a64ecc646393b03e18634408e0cf56e1db4e223e3328c62e53b837", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling rust-yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "7425725118a64ecc646393b03e18634408e0cf56e1db4e223e3328c62e53b837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7425725118a64ecc646393b03e18634408e0cf56e1db4e223e3328c62e53b837", kill_on_drop: false }`
[INFO] [stdout] 7425725118a64ecc646393b03e18634408e0cf56e1db4e223e3328c62e53b837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 32767d94685643747669a381090ec3cebf72fddd534db37765176ef5fedbe4d4
[INFO] running `Command { std: "docker" "start" "-a" "32767d94685643747669a381090ec3cebf72fddd534db37765176ef5fedbe4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-yaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "32767d94685643747669a381090ec3cebf72fddd534db37765176ef5fedbe4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32767d94685643747669a381090ec3cebf72fddd534db37765176ef5fedbe4d4", kill_on_drop: false }`
[INFO] [stdout] 32767d94685643747669a381090ec3cebf72fddd534db37765176ef5fedbe4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 11491b418f35cc77ab1679833bd71c21f7f870e8cef936b43246b4a8d363e432
[INFO] running `Command { std: "docker" "start" "-a" "11491b418f35cc77ab1679833bd71c21f7f870e8cef936b43246b4a8d363e432", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_yaml-5d6a4aa4ce920f15)
[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" "11491b418f35cc77ab1679833bd71c21f7f870e8cef936b43246b4a8d363e432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11491b418f35cc77ab1679833bd71c21f7f870e8cef936b43246b4a8d363e432", kill_on_drop: false }`
[INFO] [stdout] 11491b418f35cc77ab1679833bd71c21f7f870e8cef936b43246b4a8d363e432