Dec 05 10:48:35.076 INFO checking loirc-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:48:35.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 10:48:35.262 INFO [stdout] 85bd0330a850fc5848425b19fb79687e893da0e0b106738da6f05ab8a9c234be
Dec 05 10:48:35.264 INFO running `"docker" "start" "-a" "85bd0330a850fc5848425b19fb79687e893da0e0b106738da6f05ab8a9c234be"`
Dec 05 10:48:35.755 INFO [stderr] usermod: no changes
Dec 05 10:48:35.823 INFO [stderr]     Checking loirc v0.2.0 (/source)
Dec 05 10:48:37.247 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 10:48:37.247 INFO [stderr]    --> src/connection.rs:251:8
Dec 05 10:48:37.247 INFO [stderr]     |
Dec 05 10:48:37.247 INFO [stderr] 251 |     Ok((reader))
Dec 05 10:48:37.247 INFO [stderr]     |        ^^^^^^^^ help: remove these parentheses
Dec 05 10:48:37.247 INFO [stderr]     |
Dec 05 10:48:37.247 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 10:48:37.247 INFO [stderr] 
Dec 05 10:48:37.431 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 10:48:37.431 INFO [stderr]    --> src/connection.rs:251:8
Dec 05 10:48:37.431 INFO [stderr]     |
Dec 05 10:48:37.431 INFO [stderr] 251 |     Ok((reader))
Dec 05 10:48:37.431 INFO [stderr]     |        ^^^^^^^^ help: remove these parentheses
Dec 05 10:48:37.431 INFO [stderr]     |
Dec 05 10:48:37.431 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 10:48:37.431 INFO [stderr] 
Dec 05 10:48:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:48:38.999 INFO [stderr]   --> examples/peekaboo.rs:19:5
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr] 19 |     writer.raw(format!("USER {} 8 * :{}\n", "peekaboo", "peekaboo"));
Dec 05 10:48:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 10:48:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:48:38.999 INFO [stderr] 
Dec 05 10:48:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:48:38.999 INFO [stderr]   --> examples/peekaboo.rs:20:5
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr] 20 |     writer.raw(format!("NICK {}\n", "peekaboo"));
Dec 05 10:48:38.999 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:48:38.999 INFO [stderr] 
Dec 05 10:48:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:48:38.999 INFO [stderr]   --> examples/peekaboo.rs:29:21
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr] 29 |                     writer.raw(format!("JOIN {}\n", channel));
Dec 05 10:48:38.999 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:48:38.999 INFO [stderr] 
Dec 05 10:48:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:48:38.999 INFO [stderr]   --> examples/peekaboo.rs:40:37
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr] 40 |                                     writer.raw(format!("PRIVMSG {} :{}\n", channel, "peekaboo"));
Dec 05 10:48:38.999 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:48:38.999 INFO [stderr] 
Dec 05 10:48:38.999 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 10:48:38.999 INFO [stderr]   --> examples/peekaboo.rs:43:37
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr] 43 |                                     writer.raw(format!("QUIT :{}\n", "peekaboo"));
Dec 05 10:48:38.999 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:48:38.999 INFO [stderr]    |
Dec 05 10:48:38.999 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 10:48:38.999 INFO [stderr] 
Dec 05 10:48:39.014 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
Dec 05 10:48:39.014 INFO [stderr] su: No module specific data is present
Dec 05 10:48:39.593 INFO running `"docker" "inspect" "85bd0330a850fc5848425b19fb79687e893da0e0b106738da6f05ab8a9c234be"`
Dec 05 10:48:39.811 INFO running `"docker" "rm" "-f" "85bd0330a850fc5848425b19fb79687e893da0e0b106738da6f05ab8a9c234be"`
Dec 05 10:48:40.119 INFO [stdout] 85bd0330a850fc5848425b19fb79687e893da0e0b106738da6f05ab8a9c234be