Dec 19 15:34:18.140 INFO checking j16r/virtual68 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:34:18.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:34:18.650 INFO [stdout] 2b916a5168ab672872df36be437d720d84dc845de74557f644acc16b74d8d097
Dec 19 15:34:18.656 INFO running `"docker" "start" "-a" "2b916a5168ab672872df36be437d720d84dc845de74557f644acc16b74d8d097"`
Dec 19 15:34:19.888 INFO [stderr]     Checking combine v1.3.0
Dec 19 15:34:19.888 INFO [stderr]     Checking num-bigint v0.1.44
Dec 19 15:34:21.910 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 15:34:22.635 INFO [stderr]     Checking num v0.1.42
Dec 19 15:34:22.946 INFO [stderr]     Checking virtual68 v0.1.0 (/opt/crater/workdir)
Dec 19 15:34:24.772 INFO [stderr] warning: function is never used: `is_decimal`
Dec 19 15:34:24.772 INFO [stderr]  --> src/grammar.rs:8:1
Dec 19 15:34:24.772 INFO [stderr]   |
Dec 19 15:34:24.772 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 19 15:34:24.772 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:34:24.773 INFO [stderr]   |
Dec 19 15:34:24.773 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:34:24.773 INFO [stderr] 
Dec 19 15:34:25.012 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:34:25.012 INFO [stderr]    --> src/linker.rs:158:13
Dec 19 15:34:25.012 INFO [stderr]     |
Dec 19 15:34:25.012 INFO [stderr] 158 |         let mut program = Program::new();
Dec 19 15:34:25.012 INFO [stderr]     |             ----^^^^^^^
Dec 19 15:34:25.012 INFO [stderr]     |             |
Dec 19 15:34:25.012 INFO [stderr]     |             help: remove this `mut`
Dec 19 15:34:25.012 INFO [stderr]     |
Dec 19 15:34:25.012 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 15:34:25.012 INFO [stderr] 
Dec 19 15:34:25.271 INFO [stderr] warning: function is never used: `is_decimal`
Dec 19 15:34:25.271 INFO [stderr]  --> src/grammar.rs:8:1
Dec 19 15:34:25.271 INFO [stderr]   |
Dec 19 15:34:25.271 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 19 15:34:25.271 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:34:25.271 INFO [stderr]   |
Dec 19 15:34:25.271 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:34:25.271 INFO [stderr] 
Dec 19 15:34:25.332 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.50s
Dec 19 15:34:26.056 INFO running `"docker" "inspect" "2b916a5168ab672872df36be437d720d84dc845de74557f644acc16b74d8d097"`
Dec 19 15:34:26.348 INFO running `"docker" "rm" "-f" "2b916a5168ab672872df36be437d720d84dc845de74557f644acc16b74d8d097"`
Dec 19 15:34:26.690 INFO [stdout] 2b916a5168ab672872df36be437d720d84dc845de74557f644acc16b74d8d097