Nov 30 08:01:49.630 INFO checking VitalyAnkh/mock_object against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:01:49.630 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 08:01:50.316 INFO [stdout] c4d2e65c5155e1711de274e2b96d143217c8a0a152b10fcdc3ef7c9eeeffbccb
Nov 30 08:01:50.318 INFO running `"docker" "start" "-a" "c4d2e65c5155e1711de274e2b96d143217c8a0a152b10fcdc3ef7c9eeeffbccb"`
Nov 30 08:01:51.473 INFO [stderr] usermod: no changes
Nov 30 08:01:51.548 INFO [stderr]     Checking mock_object v0.1.0 (/source)
Nov 30 08:01:52.016 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 30 08:01:52.016 INFO [stderr]  --> src/message_passing.rs:1:5
Nov 30 08:01:52.016 INFO [stderr]   |
Nov 30 08:01:52.016 INFO [stderr] 1 | use std::sync::mpsc;
Nov 30 08:01:52.016 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 08:01:52.016 INFO [stderr]   |
Nov 30 08:01:52.016 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:01:52.016 INFO [stderr] 
Nov 30 08:01:52.672 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 30 08:01:52.672 INFO [stderr]  --> src/message_passing.rs:1:5
Nov 30 08:01:52.672 INFO [stderr]   |
Nov 30 08:01:52.672 INFO [stderr] 1 | use std::sync::mpsc;
Nov 30 08:01:52.672 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 08:01:52.672 INFO [stderr]   |
Nov 30 08:01:52.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:01:52.672 INFO [stderr] 
Nov 30 08:01:53.480 INFO [stderr] warning: unused variable: `rx`
Nov 30 08:01:53.480 INFO [stderr]   --> src/main.rs:27:14
Nov 30 08:01:53.480 INFO [stderr]    |
Nov 30 08:01:53.480 INFO [stderr] 27 |     let (tx, rx) = mpsc::channel();
Nov 30 08:01:53.480 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 30 08:01:53.480 INFO [stderr]    |
Nov 30 08:01:53.480 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:01:53.480 INFO [stderr] 
Nov 30 08:01:53.488 INFO [stderr] warning: unused variable: `rx`
Nov 30 08:01:53.488 INFO [stderr]   --> src/main.rs:27:14
Nov 30 08:01:53.488 INFO [stderr]    |
Nov 30 08:01:53.488 INFO [stderr] 27 |     let (tx, rx) = mpsc::channel();
Nov 30 08:01:53.488 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 30 08:01:53.508 INFO [stderr]    |
Nov 30 08:01:53.508 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:01:53.508 INFO [stderr] 
Nov 30 08:01:53.564 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Nov 30 08:01:53.576 INFO [stderr] su: No module specific data is present
Nov 30 08:01:54.486 INFO running `"docker" "inspect" "c4d2e65c5155e1711de274e2b96d143217c8a0a152b10fcdc3ef7c9eeeffbccb"`
Nov 30 08:01:54.844 INFO running `"docker" "rm" "-f" "c4d2e65c5155e1711de274e2b96d143217c8a0a152b10fcdc3ef7c9eeeffbccb"`
Nov 30 08:01:55.184 INFO [stdout] c4d2e65c5155e1711de274e2b96d143217c8a0a152b10fcdc3ef7c9eeeffbccb