[INFO] fetching crate heart 0.0.0...
[INFO] testing heart-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate heart 0.0.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate heart 0.0.0 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 heart 0.0.0
[INFO] finished tweaking crates.io crate heart 0.0.0
[INFO] tweaked toml for crates.io crate heart 0.0.0 written to /workspace/builds/worker-65/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] 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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] c5012e8ca0a3ecb46a524adc794258d1b94d413acc044c61893a4abc0322b5a8
[INFO] running `Command { std: "docker" "start" "-a" "c5012e8ca0a3ecb46a524adc794258d1b94d413acc044c61893a4abc0322b5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5012e8ca0a3ecb46a524adc794258d1b94d413acc044c61893a4abc0322b5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5012e8ca0a3ecb46a524adc794258d1b94d413acc044c61893a4abc0322b5a8", kill_on_drop: false }`
[INFO] [stdout] c5012e8ca0a3ecb46a524adc794258d1b94d413acc044c61893a4abc0322b5a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 96bff156850b9106f72c9c94f7571201c2c7f016a26ef43fe97f4e36847111fb
[INFO] running `Command { std: "docker" "start" "-a" "96bff156850b9106f72c9c94f7571201c2c7f016a26ef43fe97f4e36847111fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling heart v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "96bff156850b9106f72c9c94f7571201c2c7f016a26ef43fe97f4e36847111fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bff156850b9106f72c9c94f7571201c2c7f016a26ef43fe97f4e36847111fb", kill_on_drop: false }`
[INFO] [stdout] 96bff156850b9106f72c9c94f7571201c2c7f016a26ef43fe97f4e36847111fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] e5a5d3a3f0d9799c0a1e5c5f6d64148509f19e93c348576a4bb54228ac2c986a
[INFO] running `Command { std: "docker" "start" "-a" "e5a5d3a3f0d9799c0a1e5c5f6d64148509f19e93c348576a4bb54228ac2c986a", kill_on_drop: false }`
[INFO] [stderr]    Compiling heart v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e5a5d3a3f0d9799c0a1e5c5f6d64148509f19e93c348576a4bb54228ac2c986a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a5d3a3f0d9799c0a1e5c5f6d64148509f19e93c348576a4bb54228ac2c986a", kill_on_drop: false }`
[INFO] [stdout] e5a5d3a3f0d9799c0a1e5c5f6d64148509f19e93c348576a4bb54228ac2c986a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] ef163cb5f0b94125a574b2140618af3e9d63aacfb8680f91f41894f3ee698c11
[INFO] running `Command { std: "docker" "start" "-a" "ef163cb5f0b94125a574b2140618af3e9d63aacfb8680f91f41894f3ee698c11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/heart-0b56831aacc55a58)
[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 heart
[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" "ef163cb5f0b94125a574b2140618af3e9d63aacfb8680f91f41894f3ee698c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef163cb5f0b94125a574b2140618af3e9d63aacfb8680f91f41894f3ee698c11", kill_on_drop: false }`
[INFO] [stdout] ef163cb5f0b94125a574b2140618af3e9d63aacfb8680f91f41894f3ee698c11