[INFO] fetching crate wait4 0.1.3...
[INFO] testing wait4-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate wait4 0.1.3 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate wait4 0.1.3 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 wait4 0.1.3
[INFO] finished tweaking crates.io crate wait4 0.1.3
[INFO] tweaked toml for crates.io crate wait4 0.1.3 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate wait4 0.1.3 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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] ef91b0cb6790d8aa288c4f96f685d1c8d763f0f7db671d54388eb8d1609c9ec2
[INFO] running `Command { std: "docker" "start" "-a" "ef91b0cb6790d8aa288c4f96f685d1c8d763f0f7db671d54388eb8d1609c9ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef91b0cb6790d8aa288c4f96f685d1c8d763f0f7db671d54388eb8d1609c9ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef91b0cb6790d8aa288c4f96f685d1c8d763f0f7db671d54388eb8d1609c9ec2", kill_on_drop: false }`
[INFO] [stdout] ef91b0cb6790d8aa288c4f96f685d1c8d763f0f7db671d54388eb8d1609c9ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 2fff72a940abe3261104802a925a756fc64a24099d11befcfd3acc0a3981bc8d
[INFO] running `Command { std: "docker" "start" "-a" "2fff72a940abe3261104802a925a756fc64a24099d11befcfd3acc0a3981bc8d", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wait4 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "2fff72a940abe3261104802a925a756fc64a24099d11befcfd3acc0a3981bc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fff72a940abe3261104802a925a756fc64a24099d11befcfd3acc0a3981bc8d", kill_on_drop: false }`
[INFO] [stdout] 2fff72a940abe3261104802a925a756fc64a24099d11befcfd3acc0a3981bc8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] d6ab3b6da8e9cf2d0c954f63d9b92040dd7db7426bc8f5b8e7eca035bba38cc4
[INFO] running `Command { std: "docker" "start" "-a" "d6ab3b6da8e9cf2d0c954f63d9b92040dd7db7426bc8f5b8e7eca035bba38cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling human_format v1.0.3
[INFO] [stderr]    Compiling wait4 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d6ab3b6da8e9cf2d0c954f63d9b92040dd7db7426bc8f5b8e7eca035bba38cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ab3b6da8e9cf2d0c954f63d9b92040dd7db7426bc8f5b8e7eca035bba38cc4", kill_on_drop: false }`
[INFO] [stdout] d6ab3b6da8e9cf2d0c954f63d9b92040dd7db7426bc8f5b8e7eca035bba38cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] cf22ecf81586ea3b7c666a2f4327eefa329a66228498658870f8cc70ef0e479c
[INFO] running `Command { std: "docker" "start" "-a" "cf22ecf81586ea3b7c666a2f4327eefa329a66228498658870f8cc70ef0e479c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wait4-aace47097aa4f793)
[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 wait4
[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" "cf22ecf81586ea3b7c666a2f4327eefa329a66228498658870f8cc70ef0e479c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf22ecf81586ea3b7c666a2f4327eefa329a66228498658870f8cc70ef0e479c", kill_on_drop: false }`
[INFO] [stdout] cf22ecf81586ea3b7c666a2f4327eefa329a66228498658870f8cc70ef0e479c