[INFO] fetching crate bluetooth-serial-port 0.6.0...
[INFO] checking bluetooth-serial-port-0.6.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate bluetooth-serial-port 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bluetooth-serial-port 0.6.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bluetooth-serial-port 0.6.0
[INFO] finished tweaking crates.io crate bluetooth-serial-port 0.6.0
[INFO] tweaked toml for crates.io crate bluetooth-serial-port 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6840c43779a6e167837736d78b5ce89e3dfb6d168f625fc2cebc1c4ebc52bf3b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6840c43779a6e167837736d78b5ce89e3dfb6d168f625fc2cebc1c4ebc52bf3b"`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking bluetooth-serial-port v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/bluetooth.rs:312:5
[INFO] [stderr]     |
[INFO] [stderr] 312 |     #[test()]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(ill_formed_attribute_input)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] error: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/bluetooth.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 |     #[test()]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] error: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/bluetooth.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |     #[test()]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] error: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/bluetooth.rs:352:5
[INFO] [stderr]     |
[INFO] [stderr] 352 |     #[test()]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] error: attribute must be of the form `#[test]`
[INFO] [stderr]    --> src/bluetooth.rs:358:5
[INFO] [stderr]     |
[INFO] [stderr] 358 |     #[test()]
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bluetooth.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |     WaitFor(&'a mio::Evented, mio::Ready),
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn mio::Evented`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bluetooth.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |     WaitFor(&'a mio::Evented, mio::Ready),
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn mio::Evented`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bluetooth.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |         write!(f, "{:}", std::error::Error::description(self))
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bluetooth.rs:174:26
[INFO] [stderr]     |
[INFO] [stderr] 174 |         write!(f, "{:}", std::error::Error::description(self))
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bluetooth.rs:184:46
[INFO] [stderr]     |
[INFO] [stderr] 184 |             BtError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/bluetooth.rs:184:46
[INFO] [stderr]     |
[INFO] [stderr] 184 |             BtError::IoError(ref err) => err.description(),
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux/socket.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |         format!("{:}: {:}", message, nix_error.description()),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux/socket.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 |             e.description().to_string(),
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux/socket.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 |         format!("{:}: {:}", message, nix_error.description()),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `bluetooth-serial-port`.
[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] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux/socket.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 |             e.description().to_string(),
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6840c43779a6e167837736d78b5ce89e3dfb6d168f625fc2cebc1c4ebc52bf3b"`
[INFO] running `"docker" "rm" "-f" "6840c43779a6e167837736d78b5ce89e3dfb6d168f625fc2cebc1c4ebc52bf3b"`
[INFO] [stdout] 6840c43779a6e167837736d78b5ce89e3dfb6d168f625fc2cebc1c4ebc52bf3b