Dec 19 16:39:14.974 INFO checking gcouvrette/peek against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:39:14.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:39:15.473 INFO [stdout] 0aecd1e76e1ffe32b9aa3f142d8f290386f8958fcbc44b50a9e9c64e22c9180f
Dec 19 16:39:15.474 INFO running `"docker" "start" "-a" "0aecd1e76e1ffe32b9aa3f142d8f290386f8958fcbc44b50a9e9c64e22c9180f"`
Dec 19 16:39:17.008 INFO [stderr]     Checking getch v0.1.1
Dec 19 16:39:17.352 INFO [stderr]     Checking peek v0.1.0 (/opt/crater/workdir)
Dec 19 16:39:17.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:17.724 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 19 16:39:17.724 INFO [stderr]    |
Dec 19 16:39:17.724 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 19 16:39:17.724 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:17.724 INFO [stderr]    |
Dec 19 16:39:17.724 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:39:17.724 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:17.724 INFO [stderr] 
Dec 19 16:39:17.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:17.724 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 19 16:39:17.724 INFO [stderr]    |
Dec 19 16:39:17.724 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 19 16:39:17.724 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:17.724 INFO [stderr]    |
Dec 19 16:39:17.724 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:17.725 INFO [stderr] 
Dec 19 16:39:17.725 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:17.725 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 19 16:39:17.725 INFO [stderr]    |
Dec 19 16:39:17.725 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 19 16:39:17.725 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:17.725 INFO [stderr]    |
Dec 19 16:39:17.725 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:17.725 INFO [stderr] 
Dec 19 16:39:18.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:18.068 INFO [stderr]   --> src/read_mode/linear_mode.rs:28:9
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr] 28 |         self.file.seek(SeekFrom::Start(self.index));
Dec 19 16:39:18.068 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:39:18.068 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:18.068 INFO [stderr] 
Dec 19 16:39:18.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:18.068 INFO [stderr]   --> src/read_mode/linear_mode.rs:29:9
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr] 29 |         self.file.read(buf.as_mut_slice());
Dec 19 16:39:18.068 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:18.068 INFO [stderr] 
Dec 19 16:39:18.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:39:18.068 INFO [stderr]   --> src/read_mode/multiline_mode.rs:34:13
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr] 34 |             self.file.seek(SeekFrom::Start(seek_idx));
Dec 19 16:39:18.068 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:39:18.068 INFO [stderr]    |
Dec 19 16:39:18.068 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:39:18.068 INFO [stderr] 
Dec 19 16:39:18.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 19 16:39:19.323 INFO running `"docker" "inspect" "0aecd1e76e1ffe32b9aa3f142d8f290386f8958fcbc44b50a9e9c64e22c9180f"`
Dec 19 16:39:19.620 INFO running `"docker" "rm" "-f" "0aecd1e76e1ffe32b9aa3f142d8f290386f8958fcbc44b50a9e9c64e22c9180f"`
Dec 19 16:39:19.900 INFO [stdout] 0aecd1e76e1ffe32b9aa3f142d8f290386f8958fcbc44b50a9e9c64e22c9180f