Dec 12 11:10:30.103 INFO checking my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:10:30.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 11:10:30.365 INFO [stdout] 0fb581a5ffdf6779703a62f77999e13529866e8fe7b0409ee7b23b4f0d2c196e
Dec 12 11:10:30.367 INFO running `"docker" "start" "-a" "0fb581a5ffdf6779703a62f77999e13529866e8fe7b0409ee7b23b4f0d2c196e"`
Dec 12 11:10:31.332 INFO [stderr] usermod: no changes
Dec 12 11:10:31.404 INFO [stderr]     Checking my_crate_72a9eb54-5002-4540-a6e6-f2620f51b550 v0.1.0 (/source)
Dec 12 11:10:31.900 INFO [stderr] warning: unused variable: `c1`
Dec 12 11:10:31.900 INFO [stderr]   --> src/lib.rs:44:16
Dec 12 11:10:31.900 INFO [stderr]    |
Dec 12 11:10:31.900 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:31.900 INFO [stderr]    |                ^^ help: consider using `_c1` instead
Dec 12 11:10:31.900 INFO [stderr]    |
Dec 12 11:10:31.900 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 11:10:31.900 INFO [stderr] 
Dec 12 11:10:31.900 INFO [stderr] warning: unused variable: `c2`
Dec 12 11:10:31.900 INFO [stderr]   --> src/lib.rs:44:34
Dec 12 11:10:31.900 INFO [stderr]    |
Dec 12 11:10:31.900 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:31.900 INFO [stderr]    |                                  ^^ help: consider using `_c2` instead
Dec 12 11:10:31.900 INFO [stderr] 
Dec 12 11:10:32.060 INFO [stderr] warning: unused variable: `c1`
Dec 12 11:10:32.060 INFO [stderr]   --> src/lib.rs:44:16
Dec 12 11:10:32.060 INFO [stderr]    |
Dec 12 11:10:32.060 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:32.060 INFO [stderr]    |                ^^ help: consider using `_c1` instead
Dec 12 11:10:32.060 INFO [stderr]    |
Dec 12 11:10:32.060 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 11:10:32.060 INFO [stderr] 
Dec 12 11:10:32.060 INFO [stderr] warning: unused variable: `c2`
Dec 12 11:10:32.060 INFO [stderr]   --> src/lib.rs:44:34
Dec 12 11:10:32.060 INFO [stderr]    |
Dec 12 11:10:32.060 INFO [stderr] 44 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
Dec 12 11:10:32.060 INFO [stderr]    |                                  ^^ help: consider using `_c2` instead
Dec 12 11:10:32.060 INFO [stderr] 
Dec 12 11:10:32.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 12 11:10:32.086 INFO [stderr] su: No module specific data is present
Dec 12 11:10:32.404 INFO running `"docker" "inspect" "0fb581a5ffdf6779703a62f77999e13529866e8fe7b0409ee7b23b4f0d2c196e"`
Dec 12 11:10:32.538 INFO running `"docker" "rm" "-f" "0fb581a5ffdf6779703a62f77999e13529866e8fe7b0409ee7b23b4f0d2c196e"`
Dec 12 11:10:32.631 INFO [stdout] 0fb581a5ffdf6779703a62f77999e13529866e8fe7b0409ee7b23b4f0d2c196e