[INFO] fetching crate second 0.0.0...
[INFO] testing second-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate second 0.0.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate second 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 second 0.0.0
[INFO] finished tweaking crates.io crate second 0.0.0
[INFO] tweaked toml for crates.io crate second 0.0.0 written to /workspace/builds/worker-47/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-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] c62aafa81dfdff194a4620b522f0f26a8c048ff6430d6e423fa1368875b8ee84
[INFO] running `Command { std: "docker" "start" "-a" "c62aafa81dfdff194a4620b522f0f26a8c048ff6430d6e423fa1368875b8ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62aafa81dfdff194a4620b522f0f26a8c048ff6430d6e423fa1368875b8ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62aafa81dfdff194a4620b522f0f26a8c048ff6430d6e423fa1368875b8ee84", kill_on_drop: false }`
[INFO] [stdout] c62aafa81dfdff194a4620b522f0f26a8c048ff6430d6e423fa1368875b8ee84
[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] f39b0e239c0e789de7e88ffc9f1288a027e7720b7c0c14db9fdfdc1e65c73e5d
[INFO] running `Command { std: "docker" "start" "-a" "f39b0e239c0e789de7e88ffc9f1288a027e7720b7c0c14db9fdfdc1e65c73e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling second v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f39b0e239c0e789de7e88ffc9f1288a027e7720b7c0c14db9fdfdc1e65c73e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39b0e239c0e789de7e88ffc9f1288a027e7720b7c0c14db9fdfdc1e65c73e5d", kill_on_drop: false }`
[INFO] [stdout] f39b0e239c0e789de7e88ffc9f1288a027e7720b7c0c14db9fdfdc1e65c73e5d
[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] 71fbca4694c07ff7ac6c2aed5f93c02a2942f0b3c5d7973d6c048cca8a690bc1
[INFO] running `Command { std: "docker" "start" "-a" "71fbca4694c07ff7ac6c2aed5f93c02a2942f0b3c5d7973d6c048cca8a690bc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling second v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "71fbca4694c07ff7ac6c2aed5f93c02a2942f0b3c5d7973d6c048cca8a690bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fbca4694c07ff7ac6c2aed5f93c02a2942f0b3c5d7973d6c048cca8a690bc1", kill_on_drop: false }`
[INFO] [stdout] 71fbca4694c07ff7ac6c2aed5f93c02a2942f0b3c5d7973d6c048cca8a690bc1
[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] 64efd6f6cd52454e398678de0de8cf3775f75a6f1bbdcaee89e4912ba80a87e1
[INFO] running `Command { std: "docker" "start" "-a" "64efd6f6cd52454e398678de0de8cf3775f75a6f1bbdcaee89e4912ba80a87e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/second-f97d2d1839f7a328)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests second
[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] running `Command { std: "docker" "inspect" "64efd6f6cd52454e398678de0de8cf3775f75a6f1bbdcaee89e4912ba80a87e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efd6f6cd52454e398678de0de8cf3775f75a6f1bbdcaee89e4912ba80a87e1", kill_on_drop: false }`
[INFO] [stdout] 64efd6f6cd52454e398678de0de8cf3775f75a6f1bbdcaee89e4912ba80a87e1