Dec 17 22:45:01.104 INFO checking j16r/virtual68 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:45:01.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/j16r/virtual68:/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 17 22:45:01.400 INFO [stdout] 8548292969c84a8276fd05bbbffa577c5def039c4d6558bba886c733b4beb88a
Dec 17 22:45:01.405 INFO running `"docker" "start" "-a" "8548292969c84a8276fd05bbbffa577c5def039c4d6558bba886c733b4beb88a"`
Dec 17 22:45:02.048 INFO [stderr]     Checking combine v1.3.0
Dec 17 22:45:02.052 INFO [stderr]     Checking num-bigint v0.1.44
Dec 17 22:45:03.941 INFO [stderr]     Checking num-rational v0.1.42
Dec 17 22:45:04.715 INFO [stderr]     Checking num v0.1.42
Dec 17 22:45:05.024 INFO [stderr]     Checking virtual68 v0.1.0 (/opt/crater/workdir)
Dec 17 22:45:07.520 INFO [stderr] warning: function is never used: `is_decimal`
Dec 17 22:45:07.520 INFO [stderr]  --> src/grammar.rs:8:1
Dec 17 22:45:07.520 INFO [stderr]   |
Dec 17 22:45:07.520 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 17 22:45:07.520 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:45:07.520 INFO [stderr]   |
Dec 17 22:45:07.520 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:45:07.520 INFO [stderr] 
Dec 17 22:45:07.544 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:45:07.544 INFO [stderr]    --> src/linker.rs:158:13
Dec 17 22:45:07.544 INFO [stderr]     |
Dec 17 22:45:07.544 INFO [stderr] 158 |         let mut program = Program::new();
Dec 17 22:45:07.544 INFO [stderr]     |             ----^^^^^^^
Dec 17 22:45:07.544 INFO [stderr]     |             |
Dec 17 22:45:07.544 INFO [stderr]     |             help: remove this `mut`
Dec 17 22:45:07.544 INFO [stderr]     |
Dec 17 22:45:07.544 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 22:45:07.544 INFO [stderr] 
Dec 17 22:45:07.862 INFO [stderr] warning: function is never used: `is_decimal`
Dec 17 22:45:07.862 INFO [stderr]  --> src/grammar.rs:8:1
Dec 17 22:45:07.862 INFO [stderr]   |
Dec 17 22:45:07.862 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 17 22:45:07.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:45:07.862 INFO [stderr]   |
Dec 17 22:45:07.862 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:45:07.862 INFO [stderr] 
Dec 17 22:45:07.920 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
Dec 17 22:45:08.840 INFO running `"docker" "inspect" "8548292969c84a8276fd05bbbffa577c5def039c4d6558bba886c733b4beb88a"`
Dec 17 22:45:09.168 INFO running `"docker" "rm" "-f" "8548292969c84a8276fd05bbbffa577c5def039c4d6558bba886c733b4beb88a"`
Dec 17 22:45:09.524 INFO [stdout] 8548292969c84a8276fd05bbbffa577c5def039c4d6558bba886c733b4beb88a