[INFO] fetching crate list 0.1.3...
[INFO] testing list-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate list 0.1.3 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate list 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 list 0.1.3
[INFO] finished tweaking crates.io crate list 0.1.3
[INFO] tweaked toml for crates.io crate list 0.1.3 written to /workspace/builds/worker-20/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 9f261d9ff3b22e8caddf14f2a8ca97275e493618e09a78aaa6e4e29a8f01b0d1
[INFO] running `Command { std: "docker" "start" "-a" "9f261d9ff3b22e8caddf14f2a8ca97275e493618e09a78aaa6e4e29a8f01b0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f261d9ff3b22e8caddf14f2a8ca97275e493618e09a78aaa6e4e29a8f01b0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f261d9ff3b22e8caddf14f2a8ca97275e493618e09a78aaa6e4e29a8f01b0d1", kill_on_drop: false }`
[INFO] [stdout] 9f261d9ff3b22e8caddf14f2a8ca97275e493618e09a78aaa6e4e29a8f01b0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 41f8968a572779e11f325897db73e1cfab288df30f9bbb34f1cb53461a4746c7
[INFO] running `Command { std: "docker" "start" "-a" "41f8968a572779e11f325897db73e1cfab288df30f9bbb34f1cb53461a4746c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling list v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "41f8968a572779e11f325897db73e1cfab288df30f9bbb34f1cb53461a4746c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f8968a572779e11f325897db73e1cfab288df30f9bbb34f1cb53461a4746c7", kill_on_drop: false }`
[INFO] [stdout] 41f8968a572779e11f325897db73e1cfab288df30f9bbb34f1cb53461a4746c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 85147f92e7ff8c335bb9af0e89855eb8d466b66712ae93a46b354e88ea2ede32
[INFO] running `Command { std: "docker" "start" "-a" "85147f92e7ff8c335bb9af0e89855eb8d466b66712ae93a46b354e88ea2ede32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling list v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "85147f92e7ff8c335bb9af0e89855eb8d466b66712ae93a46b354e88ea2ede32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85147f92e7ff8c335bb9af0e89855eb8d466b66712ae93a46b354e88ea2ede32", kill_on_drop: false }`
[INFO] [stdout] 85147f92e7ff8c335bb9af0e89855eb8d466b66712ae93a46b354e88ea2ede32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d0aa43b4638c33cee05fe87789719b130d13e5d64da9c9d7c7dc39f42d3db1d3
[INFO] running `Command { std: "docker" "start" "-a" "d0aa43b4638c33cee05fe87789719b130d13e5d64da9c9d7c7dc39f42d3db1d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/list-bfa310290e4770e1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::basics ... ok
[INFO] [stdout] test test::into_iter ... ok
[INFO] [stdout] test test::iter ... ok
[INFO] [stdout] test test::iter_mut ... ok
[INFO] [stdout] test test::peek ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests list
[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" "d0aa43b4638c33cee05fe87789719b130d13e5d64da9c9d7c7dc39f42d3db1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0aa43b4638c33cee05fe87789719b130d13e5d64da9c9d7c7dc39f42d3db1d3", kill_on_drop: false }`
[INFO] [stdout] d0aa43b4638c33cee05fe87789719b130d13e5d64da9c9d7c7dc39f42d3db1d3