[INFO] fetching crate creak 0.3.0...
[INFO] testing creak-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate creak 0.3.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate creak 0.3.0 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 creak 0.3.0
[INFO] finished tweaking crates.io crate creak 0.3.0
[INFO] tweaked toml for crates.io crate creak 0.3.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate crates.io crate creak 0.3.0 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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 30f4698614d5fe3fe396fcee8145fea7520f06cffb435828927ef1871e22ff77
[INFO] running `Command { std: "docker" "start" "-a" "30f4698614d5fe3fe396fcee8145fea7520f06cffb435828927ef1871e22ff77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f4698614d5fe3fe396fcee8145fea7520f06cffb435828927ef1871e22ff77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f4698614d5fe3fe396fcee8145fea7520f06cffb435828927ef1871e22ff77", kill_on_drop: false }`
[INFO] [stdout] 30f4698614d5fe3fe396fcee8145fea7520f06cffb435828927ef1871e22ff77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 341de12cd5b501178a3e9e7aa7e723fff01bd2058b43f45853f92123fb3ffccb
[INFO] running `Command { std: "docker" "start" "-a" "341de12cd5b501178a3e9e7aa7e723fff01bd2058b43f45853f92123fb3ffccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling lewton v0.10.1
[INFO] [stderr]    Compiling minimp3 v0.5.0
[INFO] [stderr]    Compiling creak v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "341de12cd5b501178a3e9e7aa7e723fff01bd2058b43f45853f92123fb3ffccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341de12cd5b501178a3e9e7aa7e723fff01bd2058b43f45853f92123fb3ffccb", kill_on_drop: false }`
[INFO] [stdout] 341de12cd5b501178a3e9e7aa7e723fff01bd2058b43f45853f92123fb3ffccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 7539d8a0d8c05f30bbefba36e5122934324f96ac1f81a1d918c91dcaa311d84a
[INFO] running `Command { std: "docker" "start" "-a" "7539d8a0d8c05f30bbefba36e5122934324f96ac1f81a1d918c91dcaa311d84a", kill_on_drop: false }`
[INFO] [stderr]    Compiling creak v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "7539d8a0d8c05f30bbefba36e5122934324f96ac1f81a1d918c91dcaa311d84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7539d8a0d8c05f30bbefba36e5122934324f96ac1f81a1d918c91dcaa311d84a", kill_on_drop: false }`
[INFO] [stdout] 7539d8a0d8c05f30bbefba36e5122934324f96ac1f81a1d918c91dcaa311d84a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 00f56c9f46b24306154f7811ca74eec535483e227f718bddf8ae79391b58227b
[INFO] running `Command { std: "docker" "start" "-a" "00f56c9f46b24306154f7811ca74eec535483e227f718bddf8ae79391b58227b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/creak-b82554f07ce3edff)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/creak_raw-42cc019af6410799)
[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] [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 creak
[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" "00f56c9f46b24306154f7811ca74eec535483e227f718bddf8ae79391b58227b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f56c9f46b24306154f7811ca74eec535483e227f718bddf8ae79391b58227b", kill_on_drop: false }`
[INFO] [stdout] 00f56c9f46b24306154f7811ca74eec535483e227f718bddf8ae79391b58227b