[INFO] fetching crate shipyard_hierarchy 0.3.0...
[INFO] testing shipyard_hierarchy-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate shipyard_hierarchy 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate shipyard_hierarchy 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shipyard_hierarchy 0.3.0
[INFO] finished tweaking crates.io crate shipyard_hierarchy 0.3.0
[INFO] tweaked toml for crates.io crate shipyard_hierarchy 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 290df7d51738e4c31abb7809e780d208dac42c64af17cdb583804dcfe9e6b77b
[INFO] running `Command { std: "docker" "start" "-a" "290df7d51738e4c31abb7809e780d208dac42c64af17cdb583804dcfe9e6b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "290df7d51738e4c31abb7809e780d208dac42c64af17cdb583804dcfe9e6b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290df7d51738e4c31abb7809e780d208dac42c64af17cdb583804dcfe9e6b77b", kill_on_drop: false }`
[INFO] [stdout] 290df7d51738e4c31abb7809e780d208dac42c64af17cdb583804dcfe9e6b77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f5ac3f253ea6fd0ab4c324a61fed56219612d5f50d8d820c3e77fcbf94348dd
[INFO] running `Command { std: "docker" "start" "-a" "6f5ac3f253ea6fd0ab4c324a61fed56219612d5f50d8d820c3e77fcbf94348dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling shipyard v0.4.1
[INFO] [stderr]    Compiling shipyard_hierarchy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/debug.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.53s
[INFO] running `Command { std: "docker" "inspect" "6f5ac3f253ea6fd0ab4c324a61fed56219612d5f50d8d820c3e77fcbf94348dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5ac3f253ea6fd0ab4c324a61fed56219612d5f50d8d820c3e77fcbf94348dd", kill_on_drop: false }`
[INFO] [stdout] 6f5ac3f253ea6fd0ab4c324a61fed56219612d5f50d8d820c3e77fcbf94348dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcae9665d297f3aad321ededca04ba8b56140484526da2be1c2c3225d36d4e0f
[INFO] running `Command { std: "docker" "start" "-a" "fcae9665d297f3aad321ededca04ba8b56140484526da2be1c2c3225d36d4e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shipyard_hierarchy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/debug.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/debug.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "fcae9665d297f3aad321ededca04ba8b56140484526da2be1c2c3225d36d4e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcae9665d297f3aad321ededca04ba8b56140484526da2be1c2c3225d36d4e0f", kill_on_drop: false }`
[INFO] [stdout] fcae9665d297f3aad321ededca04ba8b56140484526da2be1c2c3225d36d4e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb0dbeb03d534e6ed47543b0878aa29d7ababd4866057b1d2067611d9721a020
[INFO] running `Command { std: "docker" "start" "-a" "eb0dbeb03d534e6ed47543b0878aa29d7ababd4866057b1d2067611d9721a020", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/debug.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shipyard_hierarchy` (lib) generated 1 warning
[INFO] [stderr] warning: `shipyard_hierarchy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shipyard_hierarchy-0b55ab523c401551)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_detach ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_hierarchy_basic.rs (/opt/rustwide/target/debug/deps/test_hierarchy_basic-ebcd36031528ef95)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_hierarchy_tree ... ok
[INFO] [stdout] test test_sorting_depth_first ... ok
[INFO] [stdout] test test_hierarchy ... ok
[INFO] [stderr]    Doc-tests shipyard_hierarchy
[INFO] [stdout] test test_debug_print ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/src/debug.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "eb0dbeb03d534e6ed47543b0878aa29d7ababd4866057b1d2067611d9721a020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0dbeb03d534e6ed47543b0878aa29d7ababd4866057b1d2067611d9721a020", kill_on_drop: false }`
[INFO] [stdout] eb0dbeb03d534e6ed47543b0878aa29d7ababd4866057b1d2067611d9721a020