Dec 11 16:48:32.142 INFO checking j16r/virtual68 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:48:32.142 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:48:32.608 INFO [stdout] 43d9c9604ed6e43f85436fe5d85bf5556c6c794bdc63665a355bb0fb838c7650
Dec 11 16:48:32.614 INFO running `"docker" "start" "-a" "43d9c9604ed6e43f85436fe5d85bf5556c6c794bdc63665a355bb0fb838c7650"`
Dec 11 16:48:34.536 INFO [stderr] usermod: no changes
Dec 11 16:48:34.632 INFO [stderr]     Checking combine v1.3.0
Dec 11 16:48:36.743 INFO [stderr]     Checking virtual68 v0.1.0 (/source)
Dec 11 16:48:38.820 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:48:38.820 INFO [stderr]    --> src/linker.rs:158:13
Dec 11 16:48:38.820 INFO [stderr]     |
Dec 11 16:48:38.820 INFO [stderr] 158 |         let mut program = Program::new();
Dec 11 16:48:38.820 INFO [stderr]     |             ----^^^^^^^
Dec 11 16:48:38.820 INFO [stderr]     |             |
Dec 11 16:48:38.820 INFO [stderr]     |             help: remove this `mut`
Dec 11 16:48:38.820 INFO [stderr]     |
Dec 11 16:48:38.820 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 16:48:38.820 INFO [stderr] 
Dec 11 16:48:39.072 INFO [stderr] warning: function is never used: `is_decimal`
Dec 11 16:48:39.072 INFO [stderr]  --> src/grammar.rs:8:1
Dec 11 16:48:39.072 INFO [stderr]   |
Dec 11 16:48:39.072 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 11 16:48:39.072 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:48:39.072 INFO [stderr]   |
Dec 11 16:48:39.072 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:48:39.072 INFO [stderr] 
Dec 11 16:48:39.301 INFO [stderr] warning: function is never used: `is_decimal`
Dec 11 16:48:39.301 INFO [stderr]  --> src/grammar.rs:8:1
Dec 11 16:48:39.301 INFO [stderr]   |
Dec 11 16:48:39.301 INFO [stderr] 8 | fn is_decimal(input: &str) -> bool {
Dec 11 16:48:39.301 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:48:39.301 INFO [stderr]   |
Dec 11 16:48:39.302 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 16:48:39.302 INFO [stderr] 
Dec 11 16:48:39.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
Dec 11 16:48:39.368 INFO [stderr] su: No module specific data is present
Dec 11 16:48:40.178 INFO running `"docker" "inspect" "43d9c9604ed6e43f85436fe5d85bf5556c6c794bdc63665a355bb0fb838c7650"`
Dec 11 16:48:40.482 INFO running `"docker" "rm" "-f" "43d9c9604ed6e43f85436fe5d85bf5556c6c794bdc63665a355bb0fb838c7650"`
Dec 11 16:48:40.768 INFO [stdout] 43d9c9604ed6e43f85436fe5d85bf5556c6c794bdc63665a355bb0fb838c7650