[INFO] crate serialport 3.2.0 is already in cache
[INFO] extracting crate serialport 3.2.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/serialport/3.2.0
[INFO] extracting crate serialport 3.2.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/serialport/3.2.0
[INFO] validating manifest of serialport-3.2.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serialport-3.2.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serialport-3.2.0
[INFO] finished frobbing serialport-3.2.0
[INFO] frobbed toml for serialport-3.2.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/serialport/3.2.0/Cargo.toml
[INFO] started frobbing serialport-3.2.0
[INFO] finished frobbing serialport-3.2.0
[INFO] frobbed toml for serialport-3.2.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/serialport/3.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serialport-3.2.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/serialport/3.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4d0e3a5c5d74c46e2c4e55a40e4ab24014fb6efd211be2a8cf7630077925ee5e
[INFO] running `"docker" "start" "-a" "4d0e3a5c5d74c46e2c4e55a40e4ab24014fb6efd211be2a8cf7630077925ee5e"`
[INFO] [stderr]     Checking nix v0.12.1
[INFO] [stderr]     Checking serialport v3.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/posix/tty.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 17 | use nix::{self, libc, unistd};
[INFO] [stderr]    |                 ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |         use nix::libc::{self, cfmakeraw, tcflush, tcgetattr, tcsetattr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:19:84
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![deny(missing_docs, missing_debug_implementations, missing_copy_implementations, unused)]
[INFO] [stderr]    |                                                                                    ^^^^^^
[INFO] [stderr]    = note: #[deny(unused_imports)] implied by #[deny(unused)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/posix/tty.rs:808:41
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn try_clone(&self) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[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/lib.rs:479:41
[INFO] [stderr]     |
[INFO] [stderr] 479 |     fn try_clone(&self) -> ::Result<Box<SerialPort>>;
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:535:65
[INFO] [stderr]     |
[INFO] [stderr] 535 | pub fn open<T: AsRef<OsStr> + ?Sized>(port: &T) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:577:19
[INFO] [stderr]     |
[INFO] [stderr] 577 | ) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] error: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/posix/tty.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 17 | use nix::{self, libc, unistd};
[INFO] [stderr]    |                 ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |         use nix::libc::{self, cfmakeraw, tcflush, tcgetattr, tcsetattr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:19:84
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![deny(missing_docs, missing_debug_implementations, missing_copy_implementations, unused)]
[INFO] [stderr]    |                                                                                    ^^^^^^
[INFO] [stderr]    = note: #[deny(unused_imports)] implied by #[deny(unused)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/posix/tty.rs:808:41
[INFO] [stderr]     |
[INFO] [stderr] 808 |     fn try_clone(&self) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[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/lib.rs:479:41
[INFO] [stderr]     |
[INFO] [stderr] 479 |     fn try_clone(&self) -> ::Result<Box<SerialPort>>;
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:535:65
[INFO] [stderr]     |
[INFO] [stderr] 535 | pub fn open<T: AsRef<OsStr> + ?Sized>(port: &T) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:577:19
[INFO] [stderr]     |
[INFO] [stderr] 577 | ) -> ::Result<Box<SerialPort>> {
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `serialport`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `serialport`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4d0e3a5c5d74c46e2c4e55a40e4ab24014fb6efd211be2a8cf7630077925ee5e"`
[INFO] running `"docker" "rm" "-f" "4d0e3a5c5d74c46e2c4e55a40e4ab24014fb6efd211be2a8cf7630077925ee5e"`
[INFO] [stdout] 4d0e3a5c5d74c46e2c4e55a40e4ab24014fb6efd211be2a8cf7630077925ee5e