[INFO] fetching crate serial-unix 0.4.0...
[INFO] checking serial-unix-0.4.0 against beta for pr-78714
[INFO] extracting crate serial-unix 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate serial-unix 0.4.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec2e62434cc3ab54422e5540de6f1cc7970c696b145031023c0cf6eba25209ad
[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" "ec2e62434cc3ab54422e5540de6f1cc7970c696b145031023c0cf6eba25209ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec2e62434cc3ab54422e5540de6f1cc7970c696b145031023c0cf6eba25209ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2e62434cc3ab54422e5540de6f1cc7970c696b145031023c0cf6eba25209ad", kill_on_drop: false }`
[INFO] [stdout] ec2e62434cc3ab54422e5540de6f1cc7970c696b145031023c0cf6eba25209ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c414e32cf64efbb6dfe06f1ab9264a70a4f16f8b133cb1e7c13ffca626c716b5
[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" "c414e32cf64efbb6dfe06f1ab9264a70a4f16f8b133cb1e7c13ffca626c716b5", kill_on_drop: false }`
[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 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 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: 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "c414e32cf64efbb6dfe06f1ab9264a70a4f16f8b133cb1e7c13ffca626c716b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c414e32cf64efbb6dfe06f1ab9264a70a4f16f8b133cb1e7c13ffca626c716b5", kill_on_drop: false }`
[INFO] [stdout] c414e32cf64efbb6dfe06f1ab9264a70a4f16f8b133cb1e7c13ffca626c716b5