Dec 19 15:34:17.742 INFO checking j16r/virtual68 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:34:17.743 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:34:18.106 INFO [stdout] b79be5568370eaad7ab31a0675b574cadd95804582351bcdd1ce004e1cc7c37a
Dec 19 15:34:18.106 INFO running `"docker" "start" "-a" "b79be5568370eaad7ab31a0675b574cadd95804582351bcdd1ce004e1cc7c37a"`
Dec 19 15:34:19.666 INFO [stderr]     Checking combine v1.3.0
Dec 19 15:34:19.666 INFO [stderr]     Checking num-bigint v0.1.44
Dec 19 15:34:21.553 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 15:34:22.463 INFO [stderr]     Checking num v0.1.42
Dec 19 15:34:22.714 INFO [stderr]     Checking virtual68 v0.1.0 (/opt/crater/workdir)
Dec 19 15:34:24.788 INFO [stderr] warning: function is never used: `is_decimal`
Dec 19 15:34:24.788 INFO [stderr]  --> src/grammar.rs:8:1
Dec 19 15:34:24.788 INFO [stderr]   |
Dec 19 15:34:24.788 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 19 15:34:24.788 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:34:24.788 INFO [stderr]   |
Dec 19 15:34:24.788 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:34:24.788 INFO [stderr] 
Dec 19 15:34:24.900 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:34:24.900 INFO [stderr]    --> src/linker.rs:158:13
Dec 19 15:34:24.900 INFO [stderr]     |
Dec 19 15:34:24.900 INFO [stderr] 158 |         let mut program = Program::new();
Dec 19 15:34:24.900 INFO [stderr]     |             ----^^^^^^^
Dec 19 15:34:24.900 INFO [stderr]     |             |
Dec 19 15:34:24.900 INFO [stderr]     |             help: remove this `mut`
Dec 19 15:34:24.900 INFO [stderr]     |
Dec 19 15:34:24.900 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 15:34:24.900 INFO [stderr] 
Dec 19 15:34:25.180 INFO [stderr] warning: function is never used: `is_decimal`
Dec 19 15:34:25.180 INFO [stderr]  --> src/grammar.rs:8:1
Dec 19 15:34:25.180 INFO [stderr]   |
Dec 19 15:34:25.180 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 19 15:34:25.180 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:34:25.180 INFO [stderr]   |
Dec 19 15:34:25.180 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:34:25.180 INFO [stderr] 
Dec 19 15:34:25.258 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
Dec 19 15:34:25.970 INFO running `"docker" "inspect" "b79be5568370eaad7ab31a0675b574cadd95804582351bcdd1ce004e1cc7c37a"`
Dec 19 15:34:26.314 INFO running `"docker" "rm" "-f" "b79be5568370eaad7ab31a0675b574cadd95804582351bcdd1ce004e1cc7c37a"`
Dec 19 15:34:26.765 INFO [stdout] b79be5568370eaad7ab31a0675b574cadd95804582351bcdd1ce004e1cc7c37a