[INFO] fetching crate spin 0.9.3...
[INFO] checking spin-0.9.3 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate spin 0.9.3 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate spin 0.9.3 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spin 0.9.3
[INFO] finished tweaking crates.io crate spin 0.9.3
[INFO] tweaked toml for crates.io crate spin 0.9.3 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate spin 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62bde97149fc9245a2ab34d47443e74dbcf5bbce43241720b7f0a11277d2a533
[INFO] running `Command { std: "docker" "start" "-a" "62bde97149fc9245a2ab34d47443e74dbcf5bbce43241720b7f0a11277d2a533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62bde97149fc9245a2ab34d47443e74dbcf5bbce43241720b7f0a11277d2a533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62bde97149fc9245a2ab34d47443e74dbcf5bbce43241720b7f0a11277d2a533", kill_on_drop: false }`
[INFO] [stdout] 62bde97149fc9245a2ab34d47443e74dbcf5bbce43241720b7f0a11277d2a533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53fdcf465bacecae58454b1ea8d273baf906e34f8a6062c7cbc1355a9540f7a9
[INFO] running `Command { std: "docker" "start" "-a" "53fdcf465bacecae58454b1ea8d273baf906e34f8a6062c7cbc1355a9540f7a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking spin v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/mutex/spin.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | unsafe impl<T: ?Sized + Send> Send for SpinMutex<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/mutex/spin.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub struct SpinMutex<T: ?Sized, R = Spin> {
[INFO] [stdout] 63 | |     phantom: PhantomData<R>,
[INFO] [stdout] 64 | |     pub(crate) lock: AtomicBool,
[INFO] [stdout] 65 | |     data: UnsafeCell<T>,
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: `Spin` is not a generic parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cross-crate traits with a default impl, like `Send`, should not be specialized
[INFO] [stdout]   --> src/mutex/spin.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | unsafe impl<T: ?Sized + Send> Send for SpinMutex<T> {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_auto_trait_impls)]` on by default
[INFO] [stdout]    = warning: this will change its meaning in a future release!
[INFO] [stdout]    = note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
[INFO] [stdout] note: try using the same sequence of generic parameters as the struct definition
[INFO] [stdout]   --> src/mutex/spin.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | / pub struct SpinMutex<T: ?Sized, R = Spin> {
[INFO] [stdout] 63 | |     phantom: PhantomData<R>,
[INFO] [stdout] 64 | |     pub(crate) lock: AtomicBool,
[INFO] [stdout] 65 | |     data: UnsafeCell<T>,
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: `relax::Spin` is not a generic parameter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.93s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "53fdcf465bacecae58454b1ea8d273baf906e34f8a6062c7cbc1355a9540f7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fdcf465bacecae58454b1ea8d273baf906e34f8a6062c7cbc1355a9540f7a9", kill_on_drop: false }`
[INFO] [stdout] 53fdcf465bacecae58454b1ea8d273baf906e34f8a6062c7cbc1355a9540f7a9