Dec 18 14:16:56.524 INFO checking loirc-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:16:56.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/loirc/0.2.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:16:56.787 INFO [stdout] cca2fa5fcf0e030323422ba853a8a665dedd2dedfef7bc18e3b8741d400e9a73
Dec 18 14:16:56.791 INFO running `"docker" "start" "-a" "cca2fa5fcf0e030323422ba853a8a665dedd2dedfef7bc18e3b8741d400e9a73"`
Dec 18 14:16:57.539 INFO [stderr]     Checking loirc v0.2.0 (/opt/crater/workdir)
Dec 18 14:16:57.904 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 14:16:57.904 INFO [stderr]    --> src/connection.rs:251:8
Dec 18 14:16:57.904 INFO [stderr]     |
Dec 18 14:16:57.904 INFO [stderr] 251 |     Ok((reader))
Dec 18 14:16:57.904 INFO [stderr]     |        ^^^^^^^^ help: remove these parentheses
Dec 18 14:16:57.904 INFO [stderr]     |
Dec 18 14:16:57.904 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 14:16:57.904 INFO [stderr] 
Dec 18 14:16:57.940 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 14:16:57.940 INFO [stderr]    --> src/connection.rs:251:8
Dec 18 14:16:57.940 INFO [stderr]     |
Dec 18 14:16:57.940 INFO [stderr] 251 |     Ok((reader))
Dec 18 14:16:57.940 INFO [stderr]     |        ^^^^^^^^ help: remove these parentheses
Dec 18 14:16:57.940 INFO [stderr]     |
Dec 18 14:16:57.940 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 14:16:57.940 INFO [stderr] 
Dec 18 14:16:58.088 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 14:16:58.088 INFO [stderr]   --> src/message.rs:35:30
Dec 18 14:16:58.088 INFO [stderr]    |
Dec 18 14:16:58.088 INFO [stderr] 35 |         let mut state = line.trim_right_matches("\r\n");
Dec 18 14:16:58.088 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.088 INFO [stderr]    |
Dec 18 14:16:58.088 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:16:58.088 INFO [stderr] 
Dec 18 14:16:58.121 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 14:16:58.122 INFO [stderr]   --> src/message.rs:35:30
Dec 18 14:16:58.122 INFO [stderr]    |
Dec 18 14:16:58.122 INFO [stderr] 35 |         let mut state = line.trim_right_matches("\r\n");
Dec 18 14:16:58.123 INFO [stderr]    |                              ^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.123 INFO [stderr]    |
Dec 18 14:16:58.123 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 14:16:58.123 INFO [stderr] 
Dec 18 14:16:58.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:16:58.615 INFO [stderr]   --> examples/peekaboo.rs:19:5
Dec 18 14:16:58.615 INFO [stderr]    |
Dec 18 14:16:58.616 INFO [stderr] 19 |     writer.raw(format!("USER {} 8 * :{}\n", "peekaboo", "peekaboo"));
Dec 18 14:16:58.616 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.616 INFO [stderr]    |
Dec 18 14:16:58.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 14:16:58.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:16:58.616 INFO [stderr] 
Dec 18 14:16:58.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:16:58.616 INFO [stderr]   --> examples/peekaboo.rs:20:5
Dec 18 14:16:58.616 INFO [stderr]    |
Dec 18 14:16:58.616 INFO [stderr] 20 |     writer.raw(format!("NICK {}\n", "peekaboo"));
Dec 18 14:16:58.617 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.617 INFO [stderr]    |
Dec 18 14:16:58.617 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:16:58.617 INFO [stderr] 
Dec 18 14:16:58.617 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:16:58.617 INFO [stderr]   --> examples/peekaboo.rs:29:21
Dec 18 14:16:58.617 INFO [stderr]    |
Dec 18 14:16:58.617 INFO [stderr] 29 |                     writer.raw(format!("JOIN {}\n", channel));
Dec 18 14:16:58.617 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.617 INFO [stderr]    |
Dec 18 14:16:58.618 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:16:58.618 INFO [stderr] 
Dec 18 14:16:58.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:16:58.618 INFO [stderr]   --> examples/peekaboo.rs:40:37
Dec 18 14:16:58.619 INFO [stderr]    |
Dec 18 14:16:58.619 INFO [stderr] 40 |                                     writer.raw(format!("PRIVMSG {} :{}\n", channel, "peekaboo"));
Dec 18 14:16:58.619 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.619 INFO [stderr]    |
Dec 18 14:16:58.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:16:58.619 INFO [stderr] 
Dec 18 14:16:58.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:16:58.619 INFO [stderr]   --> examples/peekaboo.rs:43:37
Dec 18 14:16:58.619 INFO [stderr]    |
Dec 18 14:16:58.619 INFO [stderr] 43 |                                     writer.raw(format!("QUIT :{}\n", "peekaboo"));
Dec 18 14:16:58.619 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:16:58.619 INFO [stderr]    |
Dec 18 14:16:58.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:16:58.620 INFO [stderr] 
Dec 18 14:16:58.658 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 18 14:16:59.066 INFO running `"docker" "inspect" "cca2fa5fcf0e030323422ba853a8a665dedd2dedfef7bc18e3b8741d400e9a73"`
Dec 18 14:16:59.222 INFO running `"docker" "rm" "-f" "cca2fa5fcf0e030323422ba853a8a665dedd2dedfef7bc18e3b8741d400e9a73"`
Dec 18 14:16:59.331 INFO [stdout] cca2fa5fcf0e030323422ba853a8a665dedd2dedfef7bc18e3b8741d400e9a73