Dec 04 23:33:29.276 INFO checking VitalyAnkh/mock_object against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:33:29.276 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 23:33:29.691 INFO [stdout] 6b91a4545411ff2d12e66a87e05683e0c7da97c23979576eaa55d34592c7da6e
Dec 04 23:33:29.692 INFO running `"docker" "start" "-a" "6b91a4545411ff2d12e66a87e05683e0c7da97c23979576eaa55d34592c7da6e"`
Dec 04 23:33:31.411 INFO [stderr] usermod: no changes
Dec 04 23:33:31.491 INFO [stderr]     Checking mock_object v0.1.0 (/source)
Dec 04 23:33:32.255 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 04 23:33:32.255 INFO [stderr]  --> src/message_passing.rs:1:5
Dec 04 23:33:32.255 INFO [stderr]   |
Dec 04 23:33:32.255 INFO [stderr] 1 | use std::sync::mpsc;
Dec 04 23:33:32.255 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:33:32.255 INFO [stderr]   |
Dec 04 23:33:32.255 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:33:32.255 INFO [stderr] 
Dec 04 23:33:32.527 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 04 23:33:32.527 INFO [stderr]  --> src/message_passing.rs:1:5
Dec 04 23:33:32.527 INFO [stderr]   |
Dec 04 23:33:32.527 INFO [stderr] 1 | use std::sync::mpsc;
Dec 04 23:33:32.527 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 23:33:32.527 INFO [stderr]   |
Dec 04 23:33:32.527 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:33:32.527 INFO [stderr] 
Dec 04 23:33:33.319 INFO [stderr] warning: unused variable: `rx`
Dec 04 23:33:33.319 INFO [stderr]   --> src/main.rs:27:14
Dec 04 23:33:33.319 INFO [stderr]    |
Dec 04 23:33:33.319 INFO [stderr] 27 |     let (tx, rx) = mpsc::channel();
Dec 04 23:33:33.319 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 04 23:33:33.319 INFO [stderr]    |
Dec 04 23:33:33.319 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:33:33.319 INFO [stderr] 
Dec 04 23:33:33.515 INFO [stderr] warning: unused variable: `rx`
Dec 04 23:33:33.515 INFO [stderr]   --> src/main.rs:27:14
Dec 04 23:33:33.515 INFO [stderr]    |
Dec 04 23:33:33.515 INFO [stderr] 27 |     let (tx, rx) = mpsc::channel();
Dec 04 23:33:33.515 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 04 23:33:33.515 INFO [stderr]    |
Dec 04 23:33:33.515 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:33:33.515 INFO [stderr] 
Dec 04 23:33:33.557 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 04 23:33:33.563 INFO [stderr] su: No module specific data is present
Dec 04 23:33:34.773 INFO running `"docker" "inspect" "6b91a4545411ff2d12e66a87e05683e0c7da97c23979576eaa55d34592c7da6e"`
Dec 04 23:33:35.087 INFO running `"docker" "rm" "-f" "6b91a4545411ff2d12e66a87e05683e0c7da97c23979576eaa55d34592c7da6e"`
Dec 04 23:33:35.471 INFO [stdout] 6b91a4545411ff2d12e66a87e05683e0c7da97c23979576eaa55d34592c7da6e