[INFO] fetching crate observable-tree 0.1.0...
[INFO] testing observable-tree-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate observable-tree 0.1.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate observable-tree 0.1.0 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 observable-tree 0.1.0
[INFO] finished tweaking crates.io crate observable-tree 0.1.0
[INFO] tweaked toml for crates.io crate observable-tree 0.1.0 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate observable-tree 0.1.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] bdf2b135c0b401efc97d4246400236e7a0e922296d957b6d583e51b9d5a67d7e
[INFO] running `Command { std: "docker" "start" "-a" "bdf2b135c0b401efc97d4246400236e7a0e922296d957b6d583e51b9d5a67d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf2b135c0b401efc97d4246400236e7a0e922296d957b6d583e51b9d5a67d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf2b135c0b401efc97d4246400236e7a0e922296d957b6d583e51b9d5a67d7e", kill_on_drop: false }`
[INFO] [stdout] bdf2b135c0b401efc97d4246400236e7a0e922296d957b6d583e51b9d5a67d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 54632bcdc2ebb49c3edb1413e7d47040f81cbcf46c5addd4d1b04ad6c1c7b2e5
[INFO] running `Command { std: "docker" "start" "-a" "54632bcdc2ebb49c3edb1413e7d47040f81cbcf46c5addd4d1b04ad6c1c7b2e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.10
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling observable-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "54632bcdc2ebb49c3edb1413e7d47040f81cbcf46c5addd4d1b04ad6c1c7b2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54632bcdc2ebb49c3edb1413e7d47040f81cbcf46c5addd4d1b04ad6c1c7b2e5", kill_on_drop: false }`
[INFO] [stdout] 54632bcdc2ebb49c3edb1413e7d47040f81cbcf46c5addd4d1b04ad6c1c7b2e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 5b5be98b0b980292b8e40eb8c1a9b95325cd91d9116db7558b98e8361a92a2e2
[INFO] running `Command { std: "docker" "start" "-a" "5b5be98b0b980292b8e40eb8c1a9b95325cd91d9116db7558b98e8361a92a2e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling observable-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "5b5be98b0b980292b8e40eb8c1a9b95325cd91d9116db7558b98e8361a92a2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5be98b0b980292b8e40eb8c1a9b95325cd91d9116db7558b98e8361a92a2e2", kill_on_drop: false }`
[INFO] [stdout] 5b5be98b0b980292b8e40eb8c1a9b95325cd91d9116db7558b98e8361a92a2e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 2bd96bab5921cdea27c4678e4582cfb659b451fac41d3dd850f68e4a6b775fbc
[INFO] running `Command { std: "docker" "start" "-a" "2bd96bab5921cdea27c4678e4582cfb659b451fac41d3dd850f68e4a6b775fbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/observable_tree-7765cf3f33f22c24)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-8fcda547ffd26ecb)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_insert_contains ... ok
[INFO] [stdout] test test_insert_get ... ok
[INFO] [stdout] test test_remove_entry ... ok
[INFO] [stdout] test test_insert_len ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_keys_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests observable-tree
[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" "2bd96bab5921cdea27c4678e4582cfb659b451fac41d3dd850f68e4a6b775fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd96bab5921cdea27c4678e4582cfb659b451fac41d3dd850f68e4a6b775fbc", kill_on_drop: false }`
[INFO] [stdout] 2bd96bab5921cdea27c4678e4582cfb659b451fac41d3dd850f68e4a6b775fbc