Dec 17 23:54:38.007 INFO checking gcouvrette/peek against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:54:38.008 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:54:38.438 INFO [stdout] fbe211002aa326e67817e16548b7af1b6f048d184016a4aaf32e0975e704cd25
Dec 17 23:54:38.438 INFO running `"docker" "start" "-a" "fbe211002aa326e67817e16548b7af1b6f048d184016a4aaf32e0975e704cd25"`
Dec 17 23:54:40.056 INFO [stderr]     Checking termios v0.2.2
Dec 17 23:54:40.508 INFO [stderr]     Checking getch v0.1.1
Dec 17 23:54:40.828 INFO [stderr]     Checking peek v0.1.0 (/opt/crater/workdir)
Dec 17 23:54:41.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.072 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 17 23:54:41.072 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:54:41.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.072 INFO [stderr] 
Dec 17 23:54:41.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.072 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 17 23:54:41.072 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.072 INFO [stderr] 
Dec 17 23:54:41.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.072 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 17 23:54:41.072 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.072 INFO [stderr]    |
Dec 17 23:54:41.072 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.072 INFO [stderr] 
Dec 17 23:54:41.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.300 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 17 23:54:41.300 INFO [stderr]    |
Dec 17 23:54:41.300 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 17 23:54:41.300 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.300 INFO [stderr]    |
Dec 17 23:54:41.300 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:54:41.300 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.300 INFO [stderr] 
Dec 17 23:54:41.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.300 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 17 23:54:41.300 INFO [stderr]    |
Dec 17 23:54:41.300 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 17 23:54:41.300 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.300 INFO [stderr]    |
Dec 17 23:54:41.300 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.300 INFO [stderr] 
Dec 17 23:54:41.300 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:54:41.300 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 17 23:54:41.300 INFO [stderr]    |
Dec 17 23:54:41.301 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 17 23:54:41.301 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:54:41.301 INFO [stderr]    |
Dec 17 23:54:41.301 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:54:41.301 INFO [stderr] 
Dec 17 23:54:41.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Dec 17 23:54:42.776 INFO running `"docker" "inspect" "fbe211002aa326e67817e16548b7af1b6f048d184016a4aaf32e0975e704cd25"`
Dec 17 23:54:43.075 INFO running `"docker" "rm" "-f" "fbe211002aa326e67817e16548b7af1b6f048d184016a4aaf32e0975e704cd25"`
Dec 17 23:54:43.362 INFO [stdout] fbe211002aa326e67817e16548b7af1b6f048d184016a4aaf32e0975e704cd25