[INFO] fetching crate horse 0.1.2...
[INFO] testing horse-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate horse 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate horse 0.1.2 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 crates.io crate horse 0.1.2
[INFO] finished tweaking crates.io crate horse 0.1.2
[INFO] tweaked toml for crates.io crate horse 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0afc4994db123408684bee1e7fbf809d13499b6c613aa77210642f7f7f395558
[INFO] running `Command { std: "docker" "start" "-a" "0afc4994db123408684bee1e7fbf809d13499b6c613aa77210642f7f7f395558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0afc4994db123408684bee1e7fbf809d13499b6c613aa77210642f7f7f395558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afc4994db123408684bee1e7fbf809d13499b6c613aa77210642f7f7f395558", kill_on_drop: false }`
[INFO] [stdout] 0afc4994db123408684bee1e7fbf809d13499b6c613aa77210642f7f7f395558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 177f7ca865d047827da0a15c3ea2c7a632844f2ba7e85aae8c10cdf067db3a29
[INFO] running `Command { std: "docker" "start" "-a" "177f7ca865d047827da0a15c3ea2c7a632844f2ba7e85aae8c10cdf067db3a29", kill_on_drop: false }`
[INFO] [stderr]    Compiling horse v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "177f7ca865d047827da0a15c3ea2c7a632844f2ba7e85aae8c10cdf067db3a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177f7ca865d047827da0a15c3ea2c7a632844f2ba7e85aae8c10cdf067db3a29", kill_on_drop: false }`
[INFO] [stdout] 177f7ca865d047827da0a15c3ea2c7a632844f2ba7e85aae8c10cdf067db3a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 528529c3396448925e8a06bcb9c9e5c1ba8cb1e73f07253f3b53ceb9a0da8f31
[INFO] running `Command { std: "docker" "start" "-a" "528529c3396448925e8a06bcb9c9e5c1ba8cb1e73f07253f3b53ceb9a0da8f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling horse v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "528529c3396448925e8a06bcb9c9e5c1ba8cb1e73f07253f3b53ceb9a0da8f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528529c3396448925e8a06bcb9c9e5c1ba8cb1e73f07253f3b53ceb9a0da8f31", kill_on_drop: false }`
[INFO] [stdout] 528529c3396448925e8a06bcb9c9e5c1ba8cb1e73f07253f3b53ceb9a0da8f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 840771e51574dca95d3092641b8d0e3672139c2d8c0a5d210f8fc07e5f0475a6
[INFO] running `Command { std: "docker" "start" "-a" "840771e51574dca95d3092641b8d0e3672139c2d8c0a5d210f8fc07e5f0475a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/horse-5af6a46ed46fcd0f)
[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] [stderr]    Doc-tests horse
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - show (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "840771e51574dca95d3092641b8d0e3672139c2d8c0a5d210f8fc07e5f0475a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840771e51574dca95d3092641b8d0e3672139c2d8c0a5d210f8fc07e5f0475a6", kill_on_drop: false }`
[INFO] [stdout] 840771e51574dca95d3092641b8d0e3672139c2d8c0a5d210f8fc07e5f0475a6