[INFO] fetching crate shipyard_hierarchy 0.6.0...
[INFO] testing shipyard_hierarchy-0.6.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate shipyard_hierarchy 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate shipyard_hierarchy 0.6.0
[INFO] finished tweaking crates.io crate shipyard_hierarchy 0.6.0
[INFO] tweaked toml for crates.io crate shipyard_hierarchy 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shipyard_hierarchy 0.6.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding shipyard v0.6.5 (available: v0.11.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b57d6b943ba27dda8ff125cf45c30f472b93eb4f5ebe34e0ce62cc59206354
[INFO] running `Command { std: "docker" "start" "-a" "f6b57d6b943ba27dda8ff125cf45c30f472b93eb4f5ebe34e0ce62cc59206354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b57d6b943ba27dda8ff125cf45c30f472b93eb4f5ebe34e0ce62cc59206354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b57d6b943ba27dda8ff125cf45c30f472b93eb4f5ebe34e0ce62cc59206354", kill_on_drop: false }`
[INFO] [stdout] f6b57d6b943ba27dda8ff125cf45c30f472b93eb4f5ebe34e0ce62cc59206354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a7a08d8ca5d8f9455e8f6bfa672af2afcc12596df0c3d51badd727f53d017c
[INFO] running `Command { std: "docker" "start" "-a" "e4a7a08d8ca5d8f9455e8f6bfa672af2afcc12596df0c3d51badd727f53d017c", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling shipyard v0.6.5
[INFO] [stderr]    Compiling shipyard_hierarchy v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if let Ok(mut p) = parent_storage.get(parent) {
[INFO] [stdout]    |                   ----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "e4a7a08d8ca5d8f9455e8f6bfa672af2afcc12596df0c3d51badd727f53d017c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a7a08d8ca5d8f9455e8f6bfa672af2afcc12596df0c3d51badd727f53d017c", kill_on_drop: false }`
[INFO] [stdout] e4a7a08d8ca5d8f9455e8f6bfa672af2afcc12596df0c3d51badd727f53d017c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 781c640864c0caa065a1cf349061e6b97f45ca938c4f1eb10049a3eb9fb9834f
[INFO] running `Command { std: "docker" "start" "-a" "781c640864c0caa065a1cf349061e6b97f45ca938c4f1eb10049a3eb9fb9834f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shipyard v0.6.5
[INFO] [stderr]    Compiling shipyard_hierarchy v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if let Ok(mut p) = parent_storage.get(parent) {
[INFO] [stdout]    |                   ----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if let Ok(mut p) = parent_storage.get(parent) {
[INFO] [stdout]    |                   ----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "781c640864c0caa065a1cf349061e6b97f45ca938c4f1eb10049a3eb9fb9834f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781c640864c0caa065a1cf349061e6b97f45ca938c4f1eb10049a3eb9fb9834f", kill_on_drop: false }`
[INFO] [stdout] 781c640864c0caa065a1cf349061e6b97f45ca938c4f1eb10049a3eb9fb9834f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff686d82591d4398487dffab32ade16c30dbabe949974d8cb39c7051032e58c1
[INFO] running `Command { std: "docker" "start" "-a" "ff686d82591d4398487dffab32ade16c30dbabe949974d8cb39c7051032e58c1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:78:19
[INFO] [stderr]    |
[INFO] [stderr] 78 |         if let Ok(mut p) = parent_storage.get(parent) {
[INFO] [stderr]    |                   ----^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shipyard_hierarchy` (lib) generated 1 warning (run `cargo fix --lib -p shipyard_hierarchy` to apply 1 suggestion)
[INFO] [stderr] warning: `shipyard_hierarchy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shipyard_hierarchy-46ea51a4efebb132)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_hierarchy_basic.rs (/opt/rustwide/target/debug/deps/test_hierarchy_basic-1091c1cf68e17ca5)
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_hierarchy ... ok
[INFO] [stdout] test tests::test_hierarchy_tree ... ok
[INFO] [stdout] test tests::test_sorting_depth_first ... ok
[INFO] [stderr]    Doc-tests shipyard_hierarchy
[INFO] [stdout] test tests::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] [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" "ff686d82591d4398487dffab32ade16c30dbabe949974d8cb39c7051032e58c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff686d82591d4398487dffab32ade16c30dbabe949974d8cb39c7051032e58c1", kill_on_drop: false }`
[INFO] [stdout] ff686d82591d4398487dffab32ade16c30dbabe949974d8cb39c7051032e58c1