[INFO] fetching crate plumtree 0.1.1...
[INFO] testing plumtree-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate plumtree 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate plumtree 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 plumtree 0.1.1
[INFO] finished tweaking crates.io crate plumtree 0.1.1
[INFO] tweaked toml for crates.io crate plumtree 0.1.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5e9f5141df25c1b25c8912c74007d6068c4309ef4fdee8b93e57ca9e5c6e7009
[INFO] running `Command { std: "docker" "start" "-a" "5e9f5141df25c1b25c8912c74007d6068c4309ef4fdee8b93e57ca9e5c6e7009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9f5141df25c1b25c8912c74007d6068c4309ef4fdee8b93e57ca9e5c6e7009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9f5141df25c1b25c8912c74007d6068c4309ef4fdee8b93e57ca9e5c6e7009", kill_on_drop: false }`
[INFO] [stdout] 5e9f5141df25c1b25c8912c74007d6068c4309ef4fdee8b93e57ca9e5c6e7009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e1de183c3204198ed427a1f35ba8050c1ab09bc3dade5f377651d8ba70a43b2e
[INFO] running `Command { std: "docker" "start" "-a" "e1de183c3204198ed427a1f35ba8050c1ab09bc3dade5f377651d8ba70a43b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling plumtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "e1de183c3204198ed427a1f35ba8050c1ab09bc3dade5f377651d8ba70a43b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1de183c3204198ed427a1f35ba8050c1ab09bc3dade5f377651d8ba70a43b2e", kill_on_drop: false }`
[INFO] [stdout] e1de183c3204198ed427a1f35ba8050c1ab09bc3dade5f377651d8ba70a43b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 95a0d744d9d8af5ebc915ccdb1eef678ea1d5046e391b66e8a10a1810c061635
[INFO] running `Command { std: "docker" "start" "-a" "95a0d744d9d8af5ebc915ccdb1eef678ea1d5046e391b66e8a10a1810c061635", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling plumtree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "95a0d744d9d8af5ebc915ccdb1eef678ea1d5046e391b66e8a10a1810c061635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a0d744d9d8af5ebc915ccdb1eef678ea1d5046e391b66e8a10a1810c061635", kill_on_drop: false }`
[INFO] [stdout] 95a0d744d9d8af5ebc915ccdb1eef678ea1d5046e391b66e8a10a1810c061635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 93006ef7881b319e90fd3516b7b2a1e0f0bc02c6664c650bca936bfeffb62d3a
[INFO] running `Command { std: "docker" "start" "-a" "93006ef7881b319e90fd3516b7b2a1e0f0bc02c6664c650bca936bfeffb62d3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/plumtree-4f8f8ae0408fe502)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::single_node_works ... ok
[INFO] [stdout] test tests::multi_node_works ... ok
[INFO] [stdout] test tests::many_node_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.76s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests plumtree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/time.rs - time::Clock::now (line 35) ... ok
[INFO] [stdout] test src/time.rs - time::Clock::new (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93006ef7881b319e90fd3516b7b2a1e0f0bc02c6664c650bca936bfeffb62d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93006ef7881b319e90fd3516b7b2a1e0f0bc02c6664c650bca936bfeffb62d3a", kill_on_drop: false }`
[INFO] [stdout] 93006ef7881b319e90fd3516b7b2a1e0f0bc02c6664c650bca936bfeffb62d3a