[INFO] fetching crate double-checked-cell 2.1.0...
[INFO] testing double-checked-cell-2.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate double-checked-cell 2.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fcbeaa0c814d7f5cfe367ec966e6f03f159d60c50c6ad2ccc11b9964f12d3dd
[INFO] running `Command { std: "docker" "start" "-a" "8fcbeaa0c814d7f5cfe367ec966e6f03f159d60c50c6ad2ccc11b9964f12d3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fcbeaa0c814d7f5cfe367ec966e6f03f159d60c50c6ad2ccc11b9964f12d3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fcbeaa0c814d7f5cfe367ec966e6f03f159d60c50c6ad2ccc11b9964f12d3dd", kill_on_drop: false }`
[INFO] [stdout] 8fcbeaa0c814d7f5cfe367ec966e6f03f159d60c50c6ad2ccc11b9964f12d3dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 680f0b6b3c7a21f3626dfab815f7637cbc5e0438cb2410a5eecb5a07dcf69b73
[INFO] running `Command { std: "docker" "start" "-a" "680f0b6b3c7a21f3626dfab815f7637cbc5e0438cb2410a5eecb5a07dcf69b73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.19s
[INFO] running `Command { std: "docker" "inspect" "680f0b6b3c7a21f3626dfab815f7637cbc5e0438cb2410a5eecb5a07dcf69b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680f0b6b3c7a21f3626dfab815f7637cbc5e0438cb2410a5eecb5a07dcf69b73", kill_on_drop: false }`
[INFO] [stdout] 680f0b6b3c7a21f3626dfab815f7637cbc5e0438cb2410a5eecb5a07dcf69b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36aec05e702a85a8c37a5b2acdf2e0758aa4203b13d22c365685030655605519
[INFO] running `Command { std: "docker" "start" "-a" "36aec05e702a85a8c37a5b2acdf2e0758aa4203b13d22c365685030655605519", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling variance v0.1.3
[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 1.69s
[INFO] running `Command { std: "docker" "inspect" "36aec05e702a85a8c37a5b2acdf2e0758aa4203b13d22c365685030655605519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36aec05e702a85a8c37a5b2acdf2e0758aa4203b13d22c365685030655605519", kill_on_drop: false }`
[INFO] [stdout] 36aec05e702a85a8c37a5b2acdf2e0758aa4203b13d22c365685030655605519
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 091865a37b67b1ddee2fc6deccdd42f0e2c88eb7ce187fc2d582b7f1d9f86599
[INFO] running `Command { std: "docker" "start" "-a" "091865a37b67b1ddee2fc6deccdd42f0e2c88eb7ce187fc2d582b7f1d9f86599", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/double_checked_cell-369a56f472228328)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_sync_send ... ok
[INFO] [stdout] test tests::test_drop ... 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 - DoubleCheckedCell<T>::into_inner (line 316) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 243) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::new (line 146) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 208) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "091865a37b67b1ddee2fc6deccdd42f0e2c88eb7ce187fc2d582b7f1d9f86599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091865a37b67b1ddee2fc6deccdd42f0e2c88eb7ce187fc2d582b7f1d9f86599", kill_on_drop: false }`
[INFO] [stdout] 091865a37b67b1ddee2fc6deccdd42f0e2c88eb7ce187fc2d582b7f1d9f86599