[INFO] fetching crate rose_tree 0.3.0...
[INFO] testing rose_tree-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rose_tree 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rose_tree 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rose_tree 0.3.0
[INFO] finished tweaking crates.io crate rose_tree 0.3.0
[INFO] tweaked toml for crates.io crate rose_tree 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.4.1
[INFO] [stderr]   Downloaded petgraph v0.6.0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ba4ca75669802416b602bc7670cedba6355e717a733c479c79b33f6f503343
[INFO] running `Command { std: "docker" "start" "-a" "38ba4ca75669802416b602bc7670cedba6355e717a733c479c79b33f6f503343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ba4ca75669802416b602bc7670cedba6355e717a733c479c79b33f6f503343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ba4ca75669802416b602bc7670cedba6355e717a733c479c79b33f6f503343", kill_on_drop: false }`
[INFO] [stdout] 38ba4ca75669802416b602bc7670cedba6355e717a733c479c79b33f6f503343
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e5c425b96419d6460aca1732bc4f966ada1b379e86cd646dbf9e1f3cadb8c6
[INFO] running `Command { std: "docker" "start" "-a" "f9e5c425b96419d6460aca1732bc4f966ada1b379e86cd646dbf9e1f3cadb8c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rose_tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.26s
[INFO] running `Command { std: "docker" "inspect" "f9e5c425b96419d6460aca1732bc4f966ada1b379e86cd646dbf9e1f3cadb8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e5c425b96419d6460aca1732bc4f966ada1b379e86cd646dbf9e1f3cadb8c6", kill_on_drop: false }`
[INFO] [stdout] f9e5c425b96419d6460aca1732bc4f966ada1b379e86cd646dbf9e1f3cadb8c6
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4895a900c51c0f8932b4b299743155b53b0e1a49147300d37572cf1ca2f8421b
[INFO] running `Command { std: "docker" "start" "-a" "4895a900c51c0f8932b4b299743155b53b0e1a49147300d37572cf1ca2f8421b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rose_tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "4895a900c51c0f8932b4b299743155b53b0e1a49147300d37572cf1ca2f8421b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4895a900c51c0f8932b4b299743155b53b0e1a49147300d37572cf1ca2f8421b", kill_on_drop: false }`
[INFO] [stdout] 4895a900c51c0f8932b4b299743155b53b0e1a49147300d37572cf1ca2f8421b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a94bb1528afce50da8ea12d91f371b62aed57e29403c78b18a506fedf0d7b3a3
[INFO] running `Command { std: "docker" "start" "-a" "a94bb1528afce50da8ea12d91f371b62aed57e29403c78b18a506fedf0d7b3a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rose_tree-4e0b03e916066600)
[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] [stderr]      Running tests/iterators.rs (/opt/rustwide/target/debug/deps/iterators-5c8fed228b7eca7d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test children ... ok
[INFO] [stdout] test parent_recursion ... ok
[INFO] [stdout] test siblings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/remove.rs (/opt/rustwide/target/debug/deps/remove-2b8943f66efc439f)
[INFO] [stdout] test remove_node ... ok
[INFO] [stderr]      Running tests/walkers.rs (/opt/rustwide/target/debug/deps/walkers-6247bd9b8a6f7779)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test walk_children ... ok
[INFO] [stderr]    Doc-tests rose_tree
[INFO] [stdout] test walk_siblings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "a94bb1528afce50da8ea12d91f371b62aed57e29403c78b18a506fedf0d7b3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94bb1528afce50da8ea12d91f371b62aed57e29403c78b18a506fedf0d7b3a3", kill_on_drop: false }`
[INFO] [stdout] a94bb1528afce50da8ea12d91f371b62aed57e29403c78b18a506fedf0d7b3a3