[INFO] fetching crate lineartree 0.1.1...
[INFO] testing lineartree-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate lineartree 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lineartree 0.1.1 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 lineartree 0.1.1
[INFO] finished tweaking crates.io crate lineartree 0.1.1
[INFO] tweaked toml for crates.io crate lineartree 0.1.1 written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 40df06063c4ae4c6643d0761886ac8f2715c695e57897c921c43fed7ab4eff7e
[INFO] running `Command { std: "docker" "start" "-a" "40df06063c4ae4c6643d0761886ac8f2715c695e57897c921c43fed7ab4eff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40df06063c4ae4c6643d0761886ac8f2715c695e57897c921c43fed7ab4eff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40df06063c4ae4c6643d0761886ac8f2715c695e57897c921c43fed7ab4eff7e", kill_on_drop: false }`
[INFO] [stdout] 40df06063c4ae4c6643d0761886ac8f2715c695e57897c921c43fed7ab4eff7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3cd773082fabb3b070c1d4c4da8237484ef14f16dda4fc941c19c5b8acbab678
[INFO] running `Command { std: "docker" "start" "-a" "3cd773082fabb3b070c1d4c4da8237484ef14f16dda4fc941c19c5b8acbab678", kill_on_drop: false }`
[INFO] [stderr]    Compiling lineartree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3cd773082fabb3b070c1d4c4da8237484ef14f16dda4fc941c19c5b8acbab678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd773082fabb3b070c1d4c4da8237484ef14f16dda4fc941c19c5b8acbab678", kill_on_drop: false }`
[INFO] [stdout] 3cd773082fabb3b070c1d4c4da8237484ef14f16dda4fc941c19c5b8acbab678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] aeaa911076415e24ac4cb657f6de4c142dcc03268292139c2e51c0a983a8abe7
[INFO] running `Command { std: "docker" "start" "-a" "aeaa911076415e24ac4cb657f6de4c142dcc03268292139c2e51c0a983a8abe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lineartree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "aeaa911076415e24ac4cb657f6de4c142dcc03268292139c2e51c0a983a8abe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeaa911076415e24ac4cb657f6de4c142dcc03268292139c2e51c0a983a8abe7", kill_on_drop: false }`
[INFO] [stdout] aeaa911076415e24ac4cb657f6de4c142dcc03268292139c2e51c0a983a8abe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5bc37ee3e1776f60b5108481f0001dc985b3928ac96189d417092680db8781a5
[INFO] running `Command { std: "docker" "start" "-a" "5bc37ee3e1776f60b5108481f0001dc985b3928ac96189d417092680db8781a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lineartree-d4a00d124e419abb)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::append_child ... ok
[INFO] [stdout] test tests::append_child_error ... ok
[INFO] [stdout] test tests::append_children ... ok
[INFO] [stdout] test tests::clone_tree ... ok
[INFO] [stdout] test tests::depth_first_iterator ... ok
[INFO] [stdout] test tests::get_mut ... ok
[INFO] [stdout] test tests::get_parent ... ok
[INFO] [stdout] test tests::new_node ... ok
[INFO] [stdout] test tests::remove_node ... ok
[INFO] [stdout] test tests::remove_node_error_already_removed ... ok
[INFO] [stdout] test tests::root2 ... ok
[INFO] [stdout] test tests::remove_node_error_invalid_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lineartree
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - (line 46) ... ignored
[INFO] [stdout] test src/lib.rs - (line 59) ... ignored
[INFO] [stdout] test src/lib.rs - (line 66) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5bc37ee3e1776f60b5108481f0001dc985b3928ac96189d417092680db8781a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc37ee3e1776f60b5108481f0001dc985b3928ac96189d417092680db8781a5", kill_on_drop: false }`
[INFO] [stdout] 5bc37ee3e1776f60b5108481f0001dc985b3928ac96189d417092680db8781a5