Dec 19 16:39:19.979 INFO checking gcouvrette/peek against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:39:19.979 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/gcouvrette/peek:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:39:20.459 INFO [stdout] 17215f5b8b694fcbf9336d5c3f35ec22095bc40ec8f60369fcbda11c7ed53a47
Dec 19 16:39:20.464 INFO running `"docker" "start" "-a" "17215f5b8b694fcbf9336d5c3f35ec22095bc40ec8f60369fcbda11c7ed53a47"`
Dec 19 16:39:22.276 INFO [stderr]     Checking getch v0.1.1
Dec 19 16:39:22.703 INFO [stderr]     Checking peek v0.1.0 (/opt/crater/workdir)
Dec 19 16:39:23.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.100 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 19 16:39:23.100 INFO [stderr]    |
Dec 19 16:39:23.100 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 19 16:39:23.100 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.100 INFO [stderr]    |
Dec 19 16:39:23.100 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:39:23.100 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.100 INFO [stderr] 
Dec 19 16:39:23.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.100 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 19 16:39:23.100 INFO [stderr]    |
Dec 19 16:39:23.100 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 19 16:39:23.100 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.100 INFO [stderr]    |
Dec 19 16:39:23.101 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.101 INFO [stderr] 
Dec 19 16:39:23.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.101 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 19 16:39:23.101 INFO [stderr]    |
Dec 19 16:39:23.101 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 19 16:39:23.101 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.101 INFO [stderr]    |
Dec 19 16:39:23.101 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.101 INFO [stderr] 
Dec 19 16:39:23.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.615 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 19 16:39:23.615 INFO [stderr]    |
Dec 19 16:39:23.615 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 19 16:39:23.615 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.615 INFO [stderr]    |
Dec 19 16:39:23.615 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:39:23.615 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.615 INFO [stderr] 
Dec 19 16:39:23.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.616 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 19 16:39:23.616 INFO [stderr]    |
Dec 19 16:39:23.616 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 19 16:39:23.616 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.616 INFO [stderr]    |
Dec 19 16:39:23.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.616 INFO [stderr] 
Dec 19 16:39:23.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:23.616 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 19 16:39:23.616 INFO [stderr]    |
Dec 19 16:39:23.616 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 19 16:39:23.616 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:23.616 INFO [stderr]    |
Dec 19 16:39:23.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:23.616 INFO [stderr] 
Dec 19 16:39:23.844 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Dec 19 16:39:24.779 INFO running `"docker" "inspect" "17215f5b8b694fcbf9336d5c3f35ec22095bc40ec8f60369fcbda11c7ed53a47"`
Dec 19 16:39:25.116 INFO running `"docker" "rm" "-f" "17215f5b8b694fcbf9336d5c3f35ec22095bc40ec8f60369fcbda11c7ed53a47"`
Dec 19 16:39:25.464 INFO [stdout] 17215f5b8b694fcbf9336d5c3f35ec22095bc40ec8f60369fcbda11c7ed53a47