[INFO] fetching crate double-checked-cell 2.1.0...
[INFO] testing double-checked-cell-2.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate double-checked-cell 2.1.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.1.0 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 double-checked-cell 2.1.0
[INFO] finished tweaking crates.io crate double-checked-cell 2.1.0
[INFO] tweaked toml for crates.io crate double-checked-cell 2.1.0 written to /workspace/builds/worker-25/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 577bf990bc8074196c34930066b9cbe9f63684f43c5ea190ebc63e2863d3b54e
[INFO] running `Command { std: "docker" "start" "-a" "577bf990bc8074196c34930066b9cbe9f63684f43c5ea190ebc63e2863d3b54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577bf990bc8074196c34930066b9cbe9f63684f43c5ea190ebc63e2863d3b54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577bf990bc8074196c34930066b9cbe9f63684f43c5ea190ebc63e2863d3b54e", kill_on_drop: false }`
[INFO] [stdout] 577bf990bc8074196c34930066b9cbe9f63684f43c5ea190ebc63e2863d3b54e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 7fbcb817422ce3736aa16b70135852024861b386547991e2cfc03d56041d84e1
[INFO] running `Command { std: "docker" "start" "-a" "7fbcb817422ce3736aa16b70135852024861b386547991e2cfc03d56041d84e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling double-checked-cell v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "7fbcb817422ce3736aa16b70135852024861b386547991e2cfc03d56041d84e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbcb817422ce3736aa16b70135852024861b386547991e2cfc03d56041d84e1", kill_on_drop: false }`
[INFO] [stdout] 7fbcb817422ce3736aa16b70135852024861b386547991e2cfc03d56041d84e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 372a5ec4b33a948e40e7420a78297107e60fb5fc85419887546b3c1543a89f59
[INFO] running `Command { std: "docker" "start" "-a" "372a5ec4b33a948e40e7420a78297107e60fb5fc85419887546b3c1543a89f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling double-checked-cell v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "372a5ec4b33a948e40e7420a78297107e60fb5fc85419887546b3c1543a89f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372a5ec4b33a948e40e7420a78297107e60fb5fc85419887546b3c1543a89f59", kill_on_drop: false }`
[INFO] [stdout] 372a5ec4b33a948e40e7420a78297107e60fb5fc85419887546b3c1543a89f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 89e6f525ad5f06edb2f37ad5f0f0540f0eadfef79fc88ba086be9603b5e84132
[INFO] running `Command { std: "docker" "start" "-a" "89e6f525ad5f06edb2f37ad5f0f0540f0eadfef79fc88ba086be9603b5e84132", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/double_checked_cell-8d156a43218aaf63)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_sync_send ... ok
[INFO] [stdout] test tests::test_threading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests double-checked-cell
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 94) ... ignored
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::new (line 146) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 243) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::into_inner (line 316) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 208) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get (line 187) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89e6f525ad5f06edb2f37ad5f0f0540f0eadfef79fc88ba086be9603b5e84132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e6f525ad5f06edb2f37ad5f0f0540f0eadfef79fc88ba086be9603b5e84132", kill_on_drop: false }`
[INFO] [stdout] 89e6f525ad5f06edb2f37ad5f0f0540f0eadfef79fc88ba086be9603b5e84132