[INFO] fetching crate async-mutex 1.0.0...
[INFO] checking async-mutex-1.0.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate async-mutex 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate async-mutex 1.0.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-mutex 1.0.0
[INFO] finished tweaking crates.io crate async-mutex 1.0.0
[INFO] tweaked toml for crates.io crate async-mutex 1.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v1.0.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c49b886b807177b3d1446db11d553240ccfda20f56686de9ad718ad4e384a4f9
[INFO] running `"docker" "start" "-a" "c49b886b807177b3d1446db11d553240ccfda20f56686de9ad718ad4e384a4f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking event-listener v1.0.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking async-mutex v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking piper v0.1.1
[INFO] [stderr]     Checking smol v0.1.8
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `async_std`
[INFO] [stderr]  --> benches/async-std.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use async_std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `tokio`
[INFO] [stderr]  --> benches/tokio.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::sync::Mutex;
[INFO] [stderr]   |     ^^^^^ use of undeclared type or module `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `async_std`
[INFO] [stderr]  --> benches/tokio.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use async_std::task;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/tokio.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |     b.iter(|| Mutex::new(()));
[INFO] [stderr]    |               ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/tokio.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let m = Arc::new(Mutex::new(()));
[INFO] [stderr]    |                      ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `async_std`
[INFO] [stderr]  --> benches/async-std.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use async_std::task;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/async-std.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |     b.iter(|| Mutex::new(()));
[INFO] [stderr]    |               ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/async-std.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let m = Arc::new(Mutex::new(()));
[INFO] [stderr]    |                      ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `async_std`
[INFO] [stderr]  --> benches/async-mutex.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use async_std::task;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures`
[INFO] [stderr]  --> benches/futures.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::lock::Mutex;
[INFO] [stderr]   |     ^^^^^^^ use of undeclared type or module `futures`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `futures_intrusive`
[INFO] [stderr]  --> benches/futures-intrusive.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures_intrusive::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ use of undeclared type or module `futures_intrusive`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `async_std`
[INFO] [stderr]  --> benches/futures-intrusive.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use async_std::task;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/futures-intrusive.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |     b.iter(|| Mutex::new((), true));
[INFO] [stderr]    |               ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/futures-intrusive.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let m = Arc::new(Mutex::new((), true));
[INFO] [stderr]    |                      ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `async_std`
[INFO] [stderr]  --> benches/futures.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use async_std::task;
[INFO] [stderr]   |     ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/futures.rs:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 |     b.iter(|| Mutex::new(()));
[INFO] [stderr]    |               ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mutex`
[INFO] [stderr]   --> benches/futures.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let m = Arc::new(Mutex::new(()));
[INFO] [stderr]    |                      ^^^^^ use of undeclared type or module `Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stderr]   --> benches/tokio.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let m = m.clone();
[INFO] [stderr]    |                   ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `m` is a function, perhaps you wish to call it
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stderr]   --> benches/async-std.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let m = m.clone();
[INFO] [stderr]    |                   ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `m` is a function, perhaps you wish to call it
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `async-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `async-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stderr]   --> benches/futures.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let m = m.clone();
[INFO] [stderr]    |                   ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `m` is a function, perhaps you wish to call it
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `clone` found for struct `std::sync::Arc<_>` in the current scope
[INFO] [stderr]   --> benches/futures-intrusive.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let m = m.clone();
[INFO] [stderr]    |                   ^^^^^ method not found in `std::sync::Arc<_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `m` is a function, perhaps you wish to call it
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `async-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `async-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `async-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c49b886b807177b3d1446db11d553240ccfda20f56686de9ad718ad4e384a4f9"`
[INFO] running `"docker" "rm" "-f" "c49b886b807177b3d1446db11d553240ccfda20f56686de9ad718ad4e384a4f9"`
[INFO] [stdout] c49b886b807177b3d1446db11d553240ccfda20f56686de9ad718ad4e384a4f9