Dec 12 11:10:29.654 INFO checking my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 11:10:29.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 11:10:29.867 INFO [stdout] 7afaf045e7da5f58b86f410d233da337a7255a498dbc98f5516bbe791edbc4bf
Dec 12 11:10:29.867 INFO running `"docker" "start" "-a" "7afaf045e7da5f58b86f410d233da337a7255a498dbc98f5516bbe791edbc4bf"`
Dec 12 11:10:30.282 INFO [stderr] usermod: no changes
Dec 12 11:10:30.332 INFO [stderr]     Checking my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 v0.1.0 (/source)
Dec 12 11:10:30.956 INFO [stderr] warning: unused variable: `c1`
Dec 12 11:10:30.956 INFO [stderr]   --> src/lib.rs:44:16
Dec 12 11:10:30.956 INFO [stderr]    |
Dec 12 11:10:30.956 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:30.956 INFO [stderr]    |                ^^ help: consider using `_c1` instead
Dec 12 11:10:30.956 INFO [stderr]    |
Dec 12 11:10:30.956 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 11:10:30.956 INFO [stderr] 
Dec 12 11:10:30.956 INFO [stderr] warning: unused variable: `c2`
Dec 12 11:10:30.956 INFO [stderr]   --> src/lib.rs:44:34
Dec 12 11:10:30.956 INFO [stderr]    |
Dec 12 11:10:30.956 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:30.956 INFO [stderr]    |                                  ^^ help: consider using `_c2` instead
Dec 12 11:10:30.956 INFO [stderr] 
Dec 12 11:10:31.056 INFO [stderr] warning: unused variable: `c1`
Dec 12 11:10:31.056 INFO [stderr]   --> src/lib.rs:44:16
Dec 12 11:10:31.056 INFO [stderr]    |
Dec 12 11:10:31.056 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:31.056 INFO [stderr]    |                ^^ help: consider using `_c1` instead
Dec 12 11:10:31.056 INFO [stderr]    |
Dec 12 11:10:31.056 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 11:10:31.056 INFO [stderr] 
Dec 12 11:10:31.056 INFO [stderr] warning: unused variable: `c2`
Dec 12 11:10:31.056 INFO [stderr]   --> src/lib.rs:44:34
Dec 12 11:10:31.056 INFO [stderr]    |
Dec 12 11:10:31.056 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:31.056 INFO [stderr]    |                                  ^^ help: consider using `_c2` instead
Dec 12 11:10:31.056 INFO [stderr] 
Dec 12 11:10:31.097 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 12 11:10:31.099 INFO [stderr] su: No module specific data is present
Dec 12 11:10:31.690 INFO running `"docker" "inspect" "7afaf045e7da5f58b86f410d233da337a7255a498dbc98f5516bbe791edbc4bf"`
Dec 12 11:10:31.896 INFO running `"docker" "rm" "-f" "7afaf045e7da5f58b86f410d233da337a7255a498dbc98f5516bbe791edbc4bf"`
Dec 12 11:10:32.124 INFO [stdout] 7afaf045e7da5f58b86f410d233da337a7255a498dbc98f5516bbe791edbc4bf