[INFO] fetching crate audio_thread_priority 0.23.4...
[INFO] testing audio_thread_priority-0.23.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate audio_thread_priority 0.23.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate audio_thread_priority 0.23.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio_thread_priority 0.23.4
[INFO] finished tweaking crates.io crate audio_thread_priority 0.23.4
[INFO] tweaked toml for crates.io crate audio_thread_priority 0.23.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06c090f5658052602d577f476f11d4c445bcb4ce290c58d6574f7aa009115aa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06c090f5658052602d577f476f11d4c445bcb4ce290c58d6574f7aa009115aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c090f5658052602d577f476f11d4c445bcb4ce290c58d6574f7aa009115aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c090f5658052602d577f476f11d4c445bcb4ce290c58d6574f7aa009115aa7", kill_on_drop: false }`
[INFO] [stdout] 06c090f5658052602d577f476f11d4c445bcb4ce290c58d6574f7aa009115aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd12efcc0c65760364699ebce8af6bd54b7b92bdec8e6a1c6911d317e65b0ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4dd12efcc0c65760364699ebce8af6bd54b7b92bdec8e6a1c6911d317e65b0ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling audio_thread_priority v0.23.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "4dd12efcc0c65760364699ebce8af6bd54b7b92bdec8e6a1c6911d317e65b0ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd12efcc0c65760364699ebce8af6bd54b7b92bdec8e6a1c6911d317e65b0ab", kill_on_drop: false }`
[INFO] [stdout] 4dd12efcc0c65760364699ebce8af6bd54b7b92bdec8e6a1c6911d317e65b0ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b41f5406911cf62c86bf415f48f3966cfa5e728576081fd63209faa321141908
[INFO] running `Command { std: "docker" "start" "-a" "b41f5406911cf62c86bf415f48f3966cfa5e728576081fd63209faa321141908", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling audio_thread_priority v0.23.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:535:39
[INFO] [stdout]     |
[INFO] [stdout] 535 |                     eprintln!("{}", e.description());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:547:39
[INFO] [stdout]     |
[INFO] [stdout] 547 |                     eprintln!("{}", e.description());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:558:39
[INFO] [stdout]     |
[INFO] [stdout] 558 |                     eprintln!("{}", e.description());
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `RtPriorityThreadInfoInternal`
[INFO] [stdout]    --> src/lib.rs:588:34
[INFO] [stdout]     |
[INFO] [stdout] 588 |                     assert!(info == info2);
[INFO] [stdout]     |                             ---- ^^ ----- RtPriorityThreadInfoInternal
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             RtPriorityThreadInfoInternal
[INFO] [stdout]     |
[INFO] [stdout]     = note: an implementation of `std::cmp::PartialEq` might be missing for `RtPriorityThreadInfoInternal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `RtPriorityThreadInfoInternal`
[INFO] [stdout]    --> src/lib.rs:594:34
[INFO] [stdout]     |
[INFO] [stdout] 594 |                     assert!(info == info2);
[INFO] [stdout]     |                             ---- ^^ ----- RtPriorityThreadInfoInternal
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             RtPriorityThreadInfoInternal
[INFO] [stdout]     |
[INFO] [stdout]     = note: an implementation of `std::cmp::PartialEq` might be missing for `RtPriorityThreadInfoInternal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_thread_priority`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b41f5406911cf62c86bf415f48f3966cfa5e728576081fd63209faa321141908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41f5406911cf62c86bf415f48f3966cfa5e728576081fd63209faa321141908", kill_on_drop: false }`
[INFO] [stdout] b41f5406911cf62c86bf415f48f3966cfa5e728576081fd63209faa321141908