Dec 12 18:36:05.658 INFO checking PolyPoly-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 18:36:05.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 18:36:06.622 INFO [stdout] a604bde22419551b320353ddd8f65502433c8ec74f1c5619e7096746737fe006
Dec 12 18:36:06.624 INFO running `"docker" "start" "-a" "a604bde22419551b320353ddd8f65502433c8ec74f1c5619e7096746737fe006"`
Dec 12 18:36:08.416 INFO [stderr] usermod: no changes
Dec 12 18:36:08.500 INFO [stderr]     Checking PolyPoly v0.1.0 (/source)
Dec 12 18:36:09.587 INFO [stderr] warning: unused variable: `w`
Dec 12 18:36:09.587 INFO [stderr]   --> src/main.rs:23:17
Dec 12 18:36:09.587 INFO [stderr]    |
Dec 12 18:36:09.587 INFO [stderr] 23 |             let w = Writer{watchdog: tx.clone()};
Dec 12 18:36:09.587 INFO [stderr]    |                 ^ help: consider using `_w` instead
Dec 12 18:36:09.587 INFO [stderr]    |
Dec 12 18:36:09.588 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 18:36:09.588 INFO [stderr] 
Dec 12 18:36:09.588 INFO [stderr] warning: unused variable: `i`
Dec 12 18:36:09.588 INFO [stderr]   --> src/main.rs:19:9
Dec 12 18:36:09.588 INFO [stderr]    |
Dec 12 18:36:09.588 INFO [stderr] 19 |     for i in 0..number_thread {
Dec 12 18:36:09.588 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 12 18:36:09.588 INFO [stderr] 
Dec 12 18:36:09.604 INFO [stderr] warning: crate `PolyPoly` should have a snake case name such as `poly_poly`
Dec 12 18:36:09.604 INFO [stderr]   |
Dec 12 18:36:09.604 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 12 18:36:09.604 INFO [stderr] 
Dec 12 18:36:09.612 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:36:09.612 INFO [stderr]   --> src/main.rs:10:9
Dec 12 18:36:09.612 INFO [stderr]    |
Dec 12 18:36:09.612 INFO [stderr] 10 |         self.watchdog.send(());
Dec 12 18:36:09.612 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:36:09.612 INFO [stderr]    |
Dec 12 18:36:09.612 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 18:36:09.612 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:36:09.612 INFO [stderr] 
Dec 12 18:36:09.950 INFO [stderr] warning: unused variable: `w`
Dec 12 18:36:09.950 INFO [stderr]   --> src/main.rs:23:17
Dec 12 18:36:09.951 INFO [stderr]    |
Dec 12 18:36:09.951 INFO [stderr] 23 |             let w = Writer{watchdog: tx.clone()};
Dec 12 18:36:09.951 INFO [stderr]    |                 ^ help: consider using `_w` instead
Dec 12 18:36:09.951 INFO [stderr]    |
Dec 12 18:36:09.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 18:36:09.952 INFO [stderr] 
Dec 12 18:36:09.952 INFO [stderr] warning: unused variable: `i`
Dec 12 18:36:09.952 INFO [stderr]   --> src/main.rs:19:9
Dec 12 18:36:09.953 INFO [stderr]    |
Dec 12 18:36:09.953 INFO [stderr] 19 |     for i in 0..number_thread {
Dec 12 18:36:09.953 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 12 18:36:09.953 INFO [stderr] 
Dec 12 18:36:09.954 INFO [stderr] warning: crate `PolyPoly` should have a snake case name such as `poly_poly`
Dec 12 18:36:09.954 INFO [stderr]   |
Dec 12 18:36:09.954 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 12 18:36:09.954 INFO [stderr] 
Dec 12 18:36:09.962 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 18:36:09.962 INFO [stderr]   --> src/main.rs:10:9
Dec 12 18:36:09.963 INFO [stderr]    |
Dec 12 18:36:09.963 INFO [stderr] 10 |         self.watchdog.send(());
Dec 12 18:36:09.963 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 18:36:09.963 INFO [stderr]    |
Dec 12 18:36:09.963 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 18:36:09.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 18:36:09.964 INFO [stderr] 
Dec 12 18:36:10.005 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 12 18:36:10.009 INFO [stderr] su: No module specific data is present
Dec 12 18:36:11.060 INFO running `"docker" "inspect" "a604bde22419551b320353ddd8f65502433c8ec74f1c5619e7096746737fe006"`
Dec 12 18:36:11.366 INFO running `"docker" "rm" "-f" "a604bde22419551b320353ddd8f65502433c8ec74f1c5619e7096746737fe006"`
Dec 12 18:36:11.684 INFO [stdout] a604bde22419551b320353ddd8f65502433c8ec74f1c5619e7096746737fe006