[INFO] fetching crate serial-unix 0.4.0...
[INFO] checking serial-unix-0.4.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate serial-unix 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serial-unix 0.4.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed300421f9785f6fdb2b7c6807c7481c657675867ecb589b1335a7e742ccea84
[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" "ed300421f9785f6fdb2b7c6807c7481c657675867ecb589b1335a7e742ccea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed300421f9785f6fdb2b7c6807c7481c657675867ecb589b1335a7e742ccea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed300421f9785f6fdb2b7c6807c7481c657675867ecb589b1335a7e742ccea84", kill_on_drop: false }`
[INFO] [stdout] ed300421f9785f6fdb2b7c6807c7481c657675867ecb589b1335a7e742ccea84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf6e3fdda15876a4336b0ec7ed57fd70a658be52dc2729716fe715276993c1a
[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" "8bf6e3fdda15876a4336b0ec7ed57fd70a658be52dc2729716fe715276993c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking serial-unix v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let settings = try!(port.read_settings());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         try!(port.write_settings(&settings));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let settings = try!(port.read_settings());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         try!(port.write_settings(&settings));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/tty.rs:547:41
[INFO] [stdout]     |
[INFO] [stdout] 547 |         TTYSettings { termios: unsafe { mem::uninitialized() } }
[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/error.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let description = io_error.description().to_string();
[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/error.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let description = io_error.description().to_string();
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "8bf6e3fdda15876a4336b0ec7ed57fd70a658be52dc2729716fe715276993c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf6e3fdda15876a4336b0ec7ed57fd70a658be52dc2729716fe715276993c1a", kill_on_drop: false }`
[INFO] [stdout] 8bf6e3fdda15876a4336b0ec7ed57fd70a658be52dc2729716fe715276993c1a