[INFO] crate loirc 0.2.0 is already in cache
[INFO] checking loirc-0.2.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate loirc 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate loirc 0.2.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate loirc 0.2.0
[INFO] finished tweaking crates.io crate loirc 0.2.0
[INFO] tweaked toml for crates.io crate loirc 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bba2d12db0df23735c960c1ec0d3cb9008f080cd6bc9657e7a92e53400523bb7
[INFO] running `"docker" "start" "-a" "bba2d12db0df23735c960c1ec0d3cb9008f080cd6bc9657e7a92e53400523bb7"`
[INFO] [stderr]     Checking loirc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:248:18
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let stream = try!(TcpStream::connect(address));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let reader = BufReader::new(try!(stream.try_clone()));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 |     let stream = try!(TcpStream::connect(address.as_ref()));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:361:33
[INFO] [stderr]     |
[INFO] [stderr] 361 |     let reader = BufReader::new(try!(stream.try_clone()));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/connection.rs:247:60
[INFO] [stderr]     |
[INFO] [stderr] 247 | fn reconnect(address: &str, handle: &Writer) -> io::Result<(BufReader<TcpStream>)> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/connection.rs:251:8
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Ok((reader))
[INFO] [stderr]     |        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:248:18
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let stream = try!(TcpStream::connect(address));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let reader = BufReader::new(try!(stream.try_clone()));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:360:18
[INFO] [stderr]     |
[INFO] [stderr] 360 |     let stream = try!(TcpStream::connect(address.as_ref()));
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/connection.rs:361:33
[INFO] [stderr]     |
[INFO] [stderr] 361 |     let reader = BufReader::new(try!(stream.try_clone()));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/connection.rs:247:60
[INFO] [stderr]     |
[INFO] [stderr] 247 | fn reconnect(address: &str, handle: &Writer) -> io::Result<(BufReader<TcpStream>)> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/connection.rs:251:8
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Ok((reader))
[INFO] [stderr]     |        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/message.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut state = line.trim_right_matches("\r\n");
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/message.rs:35:30
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut state = line.trim_right_matches("\r\n");
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/peekaboo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     writer.raw(format!("USER {} 8 * :{}\n", "peekaboo", "peekaboo"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/peekaboo.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     writer.raw(format!("NICK {}\n", "peekaboo"));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/peekaboo.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     writer.raw(format!("JOIN {}\n", channel));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/peekaboo.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   writer.raw(format!("PRIVMSG {} :{}\n", channel, "peekaboo"));
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/peekaboo.rs:43:37
[INFO] [stderr]    |
[INFO] [stderr] 43 | ...                   writer.raw(format!("QUIT :{}\n", "peekaboo"));
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "bba2d12db0df23735c960c1ec0d3cb9008f080cd6bc9657e7a92e53400523bb7"`
[INFO] running `"docker" "rm" "-f" "bba2d12db0df23735c960c1ec0d3cb9008f080cd6bc9657e7a92e53400523bb7"`
[INFO] [stdout] bba2d12db0df23735c960c1ec0d3cb9008f080cd6bc9657e7a92e53400523bb7