Dec 18 12:29:59.820 INFO checking re-parse-macros-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:29:59.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/re-parse-macros/0.1.0:/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 12:30:00.288 INFO [stdout] e21df2b1a00e43821931f0d9d80cbc02ad7b38be72516521b20b1bab23bf934f
Dec 18 12:30:00.288 INFO running `"docker" "start" "-a" "e21df2b1a00e43821931f0d9d80cbc02ad7b38be72516521b20b1bab23bf934f"`
Dec 18 12:30:01.660 INFO [stderr]     Checking re-parse-macros v0.1.0 (/opt/crater/workdir)
Dec 18 12:30:02.336 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:30:02.336 INFO [stderr]   --> src/lib.rs:14:9
Dec 18 12:30:02.336 INFO [stderr]    |
Dec 18 12:30:02.336 INFO [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
Dec 18 12:30:02.336 INFO [stderr]    |         ----^^^^
Dec 18 12:30:02.336 INFO [stderr]    |         |
Dec 18 12:30:02.336 INFO [stderr]    |         help: remove this `mut`
Dec 18 12:30:02.336 INFO [stderr]    |
Dec 18 12:30:02.336 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:30:02.336 INFO [stderr] 
Dec 18 12:30:02.384 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:30:02.384 INFO [stderr]   --> src/lib.rs:14:9
Dec 18 12:30:02.384 INFO [stderr]    |
Dec 18 12:30:02.384 INFO [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
Dec 18 12:30:02.384 INFO [stderr]    |         ----^^^^
Dec 18 12:30:02.384 INFO [stderr]    |         |
Dec 18 12:30:02.384 INFO [stderr]    |         help: remove this `mut`
Dec 18 12:30:02.384 INFO [stderr]    |
Dec 18 12:30:02.384 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 12:30:02.384 INFO [stderr] 
Dec 18 12:30:02.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 18 12:30:03.289 INFO running `"docker" "inspect" "e21df2b1a00e43821931f0d9d80cbc02ad7b38be72516521b20b1bab23bf934f"`
Dec 18 12:30:03.528 INFO running `"docker" "rm" "-f" "e21df2b1a00e43821931f0d9d80cbc02ad7b38be72516521b20b1bab23bf934f"`
Dec 18 12:30:03.800 INFO [stdout] e21df2b1a00e43821931f0d9d80cbc02ad7b38be72516521b20b1bab23bf934f