Dec 11 18:56:32.186 INFO checking erfanelahi/rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 18:56:32.186 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 11 18:56:32.650 INFO [stdout] 2f87ca67e304cc41f66eb614c1c6ecdfd174ed8e4f76f653a6cdbadb1e585f94
Dec 11 18:56:32.654 INFO running `"docker" "start" "-a" "2f87ca67e304cc41f66eb614c1c6ecdfd174ed8e4f76f653a6cdbadb1e585f94"`
Dec 11 18:56:33.392 INFO [stderr] usermod: no changes
Dec 11 18:56:33.449 INFO [stderr]     Checking rust v0.1.0 (/source)
Dec 11 18:56:33.961 INFO [stderr] warning: unused variable: `f`
Dec 11 18:56:33.961 INFO [stderr]   --> src/main.rs:27:9
Dec 11 18:56:33.961 INFO [stderr]    |
Dec 11 18:56:33.961 INFO [stderr] 27 |     let f = match f {
Dec 11 18:56:33.961 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 11 18:56:33.961 INFO [stderr]    |
Dec 11 18:56:33.961 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 18:56:33.961 INFO [stderr] 
Dec 11 18:56:33.982 INFO [stderr] warning: unused attribute
Dec 11 18:56:33.982 INFO [stderr]    --> src/main.rs:100:5
Dec 11 18:56:33.982 INFO [stderr]     |
Dec 11 18:56:33.982 INFO [stderr] 100 |     #[derive(Debug)]
Dec 11 18:56:33.999 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 18:56:33.999 INFO [stderr]     |
Dec 11 18:56:33.999 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Dec 11 18:56:33.999 INFO [stderr] 
Dec 11 18:56:34.040 INFO [stderr] warning: unused variable: `f`
Dec 11 18:56:34.040 INFO [stderr]   --> src/main.rs:27:9
Dec 11 18:56:34.040 INFO [stderr]    |
Dec 11 18:56:34.040 INFO [stderr] 27 |     let f = match f {
Dec 11 18:56:34.040 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 11 18:56:34.040 INFO [stderr]    |
Dec 11 18:56:34.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 18:56:34.040 INFO [stderr] 
Dec 11 18:56:34.064 INFO [stderr] warning: unused attribute
Dec 11 18:56:34.064 INFO [stderr]    --> src/main.rs:100:5
Dec 11 18:56:34.065 INFO [stderr]     |
Dec 11 18:56:34.065 INFO [stderr] 100 |     #[derive(Debug)]
Dec 11 18:56:34.065 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 18:56:34.066 INFO [stderr]     |
Dec 11 18:56:34.066 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Dec 11 18:56:34.066 INFO [stderr] 
Dec 11 18:56:34.098 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 11 18:56:34.100 INFO [stderr] su: No module specific data is present
Dec 11 18:56:34.519 INFO running `"docker" "inspect" "2f87ca67e304cc41f66eb614c1c6ecdfd174ed8e4f76f653a6cdbadb1e585f94"`
Dec 11 18:56:34.682 INFO running `"docker" "rm" "-f" "2f87ca67e304cc41f66eb614c1c6ecdfd174ed8e4f76f653a6cdbadb1e585f94"`
Dec 11 18:56:34.864 INFO [stdout] 2f87ca67e304cc41f66eb614c1c6ecdfd174ed8e4f76f653a6cdbadb1e585f94