[INFO] crate serial-unix 0.4.0 is already in cache
[INFO] checking serial-unix-0.4.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate serial-unix 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serial-unix 0.4.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serial-unix 0.4.0
[INFO] removed path dependency serial-core from crates.io crate serial-unix 0.4.0
[INFO] finished tweaking crates.io crate serial-unix 0.4.0
[INFO] tweaked toml for crates.io crate serial-unix 0.4.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f5ff0dcc2b4055802fec8657aa0956bdaa063480bb7e2945bf9fcbe98178c0a
[INFO] running `"docker" "start" "-a" "4f5ff0dcc2b4055802fec8657aa0956bdaa063480bb7e2945bf9fcbe98178c0a"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-unix v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tty.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let settings = try!(port.read_settings());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tty.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(port.write_settings(&settings));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tty.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tty.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tty.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let settings = try!(port.read_settings());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tty.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(port.write_settings(&settings));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tty.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tty.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/tty.rs:547:41
[INFO] [stderr]     |
[INFO] [stderr] 547 |         TTYSettings { termios: unsafe { mem::uninitialized() } }
[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/error.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let description = io_error.description().to_string();
[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/error.rs:33:40
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let description = io_error.description().to_string();
[INFO] [stderr]    |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "4f5ff0dcc2b4055802fec8657aa0956bdaa063480bb7e2945bf9fcbe98178c0a"`
[INFO] running `"docker" "rm" "-f" "4f5ff0dcc2b4055802fec8657aa0956bdaa063480bb7e2945bf9fcbe98178c0a"`
[INFO] [stdout] 4f5ff0dcc2b4055802fec8657aa0956bdaa063480bb7e2945bf9fcbe98178c0a