[INFO] fetching crate locktree-derive 0.3.0...
[INFO] testing locktree-derive-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate locktree-derive 0.3.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate locktree-derive 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate locktree-derive 0.3.0
[INFO] finished tweaking crates.io crate locktree-derive 0.3.0
[INFO] tweaked toml for crates.io crate locktree-derive 0.3.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc82efd1467ea99b3b6c5fadc069870557966cd34bf030f803e45208dbbd48d0
[INFO] running `Command { std: "docker" "start" "-a" "fc82efd1467ea99b3b6c5fadc069870557966cd34bf030f803e45208dbbd48d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc82efd1467ea99b3b6c5fadc069870557966cd34bf030f803e45208dbbd48d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82efd1467ea99b3b6c5fadc069870557966cd34bf030f803e45208dbbd48d0", kill_on_drop: false }`
[INFO] [stdout] fc82efd1467ea99b3b6c5fadc069870557966cd34bf030f803e45208dbbd48d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f460a06c094c5298ddedba53dddb2aee4afcb7b6f0f1e9af5cd5baf3d03e4c
[INFO] running `Command { std: "docker" "start" "-a" "e1f460a06c094c5298ddedba53dddb2aee4afcb7b6f0f1e9af5cd5baf3d03e4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling locktree-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "e1f460a06c094c5298ddedba53dddb2aee4afcb7b6f0f1e9af5cd5baf3d03e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f460a06c094c5298ddedba53dddb2aee4afcb7b6f0f1e9af5cd5baf3d03e4c", kill_on_drop: false }`
[INFO] [stdout] e1f460a06c094c5298ddedba53dddb2aee4afcb7b6f0f1e9af5cd5baf3d03e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95dea269e97d8aeea1103d7b6abea495181ace8247029fe62ed9a86346509d4
[INFO] running `Command { std: "docker" "start" "-a" "e95dea269e97d8aeea1103d7b6abea495181ace8247029fe62ed9a86346509d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling locktree-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "e95dea269e97d8aeea1103d7b6abea495181ace8247029fe62ed9a86346509d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95dea269e97d8aeea1103d7b6abea495181ace8247029fe62ed9a86346509d4", kill_on_drop: false }`
[INFO] [stdout] e95dea269e97d8aeea1103d7b6abea495181ace8247029fe62ed9a86346509d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e01b7e5365a75354246eb5e2dca10384fff0e0240278ff65564deca58cb62fee
[INFO] running `Command { std: "docker" "start" "-a" "e01b7e5365a75354246eb5e2dca10384fff0e0240278ff65564deca58cb62fee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/locktree_derive-c9133c639d7ebf19)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::should_output_barebones_with_empty_struct ... ok
[INFO] [stdout] test tests::should_output_nothing_with_empty_input ... ok
[INFO] [stdout] test tests::should_handle_an_async_mutex ... ok
[INFO] [stdout] test tests::should_handle_a_mutex_with_an_explicit_hkt ... ok
[INFO] [stdout] test tests::should_handle_a_single_mutex ... ok
[INFO] [stderr]    Doc-tests locktree-derive
[INFO] [stdout] test tests::should_handle_an_async_rw_lock ... ok
[INFO] [stdout] test tests::should_handle_an_rw_lock_with_an_explicit_hkt ... ok
[INFO] [stdout] test tests::should_handle_a_single_rw_lock ... ok
[INFO] [stdout] test tests::should_handle_two_locks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[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" "e01b7e5365a75354246eb5e2dca10384fff0e0240278ff65564deca58cb62fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01b7e5365a75354246eb5e2dca10384fff0e0240278ff65564deca58cb62fee", kill_on_drop: false }`
[INFO] [stdout] e01b7e5365a75354246eb5e2dca10384fff0e0240278ff65564deca58cb62fee