Dec 12 12:44:02.821 INFO checking irmatch-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:44:02.821 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 12 12:44:03.152 INFO [stdout] 4a4b52775ff064e83ff640de940e00c98c823ee2fe65d929b32be8b0cb0574c1
Dec 12 12:44:03.160 INFO running `"docker" "start" "-a" "4a4b52775ff064e83ff640de940e00c98c823ee2fe65d929b32be8b0cb0574c1"`
Dec 12 12:44:04.448 INFO [stderr] usermod: no changes
Dec 12 12:44:04.511 INFO [stderr]     Checking irmatch v0.2.0 (/source)
Dec 12 12:44:05.876 INFO [stderr] warning: unused variable: `v`
Dec 12 12:44:05.876 INFO [stderr]   --> src/lib.rs:64:13
Dec 12 12:44:05.876 INFO [stderr]    |
Dec 12 12:44:05.876 INFO [stderr] 64 |         let v = irmatch!(t; T::D => ());
Dec 12 12:44:05.876 INFO [stderr]    |             ^ help: consider using `_v` instead
Dec 12 12:44:05.876 INFO [stderr]    |
Dec 12 12:44:05.876 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 12:44:05.876 INFO [stderr] 
Dec 12 12:44:05.876 INFO [stderr] warning: unused variable: `v`
Dec 12 12:44:05.876 INFO [stderr]   --> src/lib.rs:67:13
Dec 12 12:44:05.876 INFO [stderr]    |
Dec 12 12:44:05.876 INFO [stderr] 67 |         let v = irmatch!(t; T::E{..} => ());
Dec 12 12:44:05.876 INFO [stderr]    |             ^ help: consider using `_v` instead
Dec 12 12:44:05.876 INFO [stderr] 
Dec 12 12:44:05.896 INFO [stderr] warning: variant is never constructed: `C`
Dec 12 12:44:05.896 INFO [stderr]   --> src/lib.rs:21:9
Dec 12 12:44:05.896 INFO [stderr]    |
Dec 12 12:44:05.896 INFO [stderr] 21 |         C(i32, bool),
Dec 12 12:44:05.896 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 12 12:44:05.896 INFO [stderr]    |
Dec 12 12:44:05.896 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 12:44:05.896 INFO [stderr] 
Dec 12 12:44:05.946 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Dec 12 12:44:05.952 INFO [stderr] su: No module specific data is present
Dec 12 12:44:06.755 INFO running `"docker" "inspect" "4a4b52775ff064e83ff640de940e00c98c823ee2fe65d929b32be8b0cb0574c1"`
Dec 12 12:44:06.998 INFO running `"docker" "rm" "-f" "4a4b52775ff064e83ff640de940e00c98c823ee2fe65d929b32be8b0cb0574c1"`
Dec 12 12:44:07.292 INFO [stdout] 4a4b52775ff064e83ff640de940e00c98c823ee2fe65d929b32be8b0cb0574c1