[INFO] fetching crate beef 0.5.1...
[INFO] testing beef-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate beef 0.5.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate beef 0.5.1 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 beef 0.5.1
[INFO] finished tweaking crates.io crate beef 0.5.1
[INFO] tweaked toml for crates.io crate beef 0.5.1 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9641ff9afa8ce04b10f9391a7c6e45c12ca61ebd8842b078bc4cad73e9a78281
[INFO] running `Command { std: "docker" "start" "-a" "9641ff9afa8ce04b10f9391a7c6e45c12ca61ebd8842b078bc4cad73e9a78281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9641ff9afa8ce04b10f9391a7c6e45c12ca61ebd8842b078bc4cad73e9a78281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9641ff9afa8ce04b10f9391a7c6e45c12ca61ebd8842b078bc4cad73e9a78281", kill_on_drop: false }`
[INFO] [stdout] 9641ff9afa8ce04b10f9391a7c6e45c12ca61ebd8842b078bc4cad73e9a78281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bf869feb11f15ef9dff204955d9d6e8bfe0b421c4459938f92c93957bd916a64
[INFO] running `Command { std: "docker" "start" "-a" "bf869feb11f15ef9dff204955d9d6e8bfe0b421c4459938f92c93957bd916a64", 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]    Compiling beef v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bf869feb11f15ef9dff204955d9d6e8bfe0b421c4459938f92c93957bd916a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf869feb11f15ef9dff204955d9d6e8bfe0b421c4459938f92c93957bd916a64", kill_on_drop: false }`
[INFO] [stdout] bf869feb11f15ef9dff204955d9d6e8bfe0b421c4459938f92c93957bd916a64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6bfd6e29b34bfc04e5708d678ea0d3223e6922d1f7c61c7c48739ba9290f6753
[INFO] running `Command { std: "docker" "start" "-a" "6bfd6e29b34bfc04e5708d678ea0d3223e6922d1f7c61c7c48739ba9290f6753", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling beef v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "6bfd6e29b34bfc04e5708d678ea0d3223e6922d1f7c61c7c48739ba9290f6753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfd6e29b34bfc04e5708d678ea0d3223e6922d1f7c61c7c48739ba9290f6753", kill_on_drop: false }`
[INFO] [stdout] 6bfd6e29b34bfc04e5708d678ea0d3223e6922d1f7c61c7c48739ba9290f6753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a360832d1e7f56e53483b01d8b36a93cce53765df7ea326f0bf0167fd250465a
[INFO] running `Command { std: "docker" "start" "-a" "a360832d1e7f56e53483b01d8b36a93cce53765df7ea326f0bf0167fd250465a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 30 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/beef-e0294f019569abc6)
[INFO] [stdout] test test_lean::borrowed_slice ... ok
[INFO] [stderr]    Doc-tests beef
[INFO] [stdout] test test_lean::borrowed_str ... ok
[INFO] [stdout] test test_lean::default_str ... ok
[INFO] [stdout] test test_lean::from_std_cow ... ok
[INFO] [stdout] test test_lean::into_owned ... ok
[INFO] [stdout] test test_lean::default_slice ... ok
[INFO] [stdout] test test_lean::ord_and_partial_ord ... ok
[INFO] [stdout] test test_lean::owned_slice ... ok
[INFO] [stdout] test test_lean::const_fn_str ... ok
[INFO] [stdout] test test_lean::hash ... ok
[INFO] [stdout] test test_lean::owned_string ... ok
[INFO] [stdout] test test_lean::unwrap_borrowed ... ok
[INFO] [stdout] test test_lean::into_owned_vec ... ok
[INFO] [stdout] test test_wide::default_slice ... ok
[INFO] [stdout] test test_wide::owned_slice ... ok
[INFO] [stdout] test test_wide::owned_string ... ok
[INFO] [stdout] test test_wide::const_fn_str ... ok
[INFO] [stdout] test test_wide::from_std_cow ... ok
[INFO] [stdout] test test_wide::into_owned ... ok
[INFO] [stdout] test test_wide::ord_and_partial_ord ... ok
[INFO] [stdout] test test_wide::hash ... ok
[INFO] [stdout] test test_wide::into_owned_vec ... ok
[INFO] [stdout] test test_wide::default_str ... ok
[INFO] [stdout] test test_wide::unwrap_borrowed ... ok
[INFO] [stdout] test test_wide::borrowed_str ... ok
[INFO] [stdout] test test_wide::borrowed_slice ... ok
[INFO] [stdout] test test_wide::stress_test_owned ... ok
[INFO] [stdout] test test_lean::stress_test_owned ... ok
[INFO] [stdout] test test_lean::unwrap_owned - should panic ... ok
[INFO] [stdout] test test_wide::unwrap_owned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 175) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::borrowed (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::const_str (line 201) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::is_owned (line 139) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::is_borrowed (line 119) ... ok
[INFO] [stdout] test src/generic.rs - generic::Cow::owned (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a360832d1e7f56e53483b01d8b36a93cce53765df7ea326f0bf0167fd250465a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a360832d1e7f56e53483b01d8b36a93cce53765df7ea326f0bf0167fd250465a", kill_on_drop: false }`
[INFO] [stdout] a360832d1e7f56e53483b01d8b36a93cce53765df7ea326f0bf0167fd250465a