Dec 05 06:19:42.416 INFO checking specialize-0.0.3 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:19:42.416 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 06:19:42.884 INFO [stdout] 6c46ff8c170e2340e9b672e91fefa5094c29c96bb6c7282fd3dc25960c5a8b1d
Dec 05 06:19:42.888 INFO running `"docker" "start" "-a" "6c46ff8c170e2340e9b672e91fefa5094c29c96bb6c7282fd3dc25960c5a8b1d"`
Dec 05 06:19:44.287 INFO [stderr] usermod: no changes
Dec 05 06:19:44.351 INFO [stderr]     Checking specialize v0.0.3 (/source)
Dec 05 06:19:45.431 INFO [stderr] warning: patterns aren't allowed in methods without bodies
Dec 05 06:19:45.432 INFO [stderr]    --> src/lib.rs:594:65
Dec 05 06:19:45.432 INFO [stderr]     |
Dec 05 06:19:45.432 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 05 06:19:45.432 INFO [stderr]     |                                                                 ^^^^^
Dec 05 06:19:45.433 INFO [stderr]     |
Dec 05 06:19:45.433 INFO [stderr]     = note: #[warn(patterns_in_fns_without_body)] on by default
Dec 05 06:19:45.433 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 05 06:19:45.433 INFO [stderr]     = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
Dec 05 06:19:45.433 INFO [stderr] 
Dec 05 06:19:45.545 INFO [stderr] warning: unused variable: `w`
Dec 05 06:19:45.545 INFO [stderr]    --> src/lib.rs:594:69
Dec 05 06:19:45.545 INFO [stderr]     |
Dec 05 06:19:45.546 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 05 06:19:45.546 INFO [stderr]     |                                                                     ^ help: consider using `_w` instead
Dec 05 06:19:45.546 INFO [stderr]     |
Dec 05 06:19:45.546 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 06:19:45.547 INFO [stderr] 
Dec 05 06:19:45.553 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:19:45.554 INFO [stderr]    --> src/lib.rs:594:65
Dec 05 06:19:45.554 INFO [stderr]     |
Dec 05 06:19:45.554 INFO [stderr] 594 |                 trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>;
Dec 05 06:19:45.554 INFO [stderr]     |                                                                 ----^
Dec 05 06:19:45.555 INFO [stderr]     |                                                                 |
Dec 05 06:19:45.555 INFO [stderr]     |                                                                 help: remove this `mut`
Dec 05 06:19:45.555 INFO [stderr]     |
Dec 05 06:19:45.556 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:19:45.556 INFO [stderr] 
Dec 05 06:19:45.623 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 05 06:19:45.629 INFO [stderr] su: No module specific data is present
Dec 05 06:19:46.321 INFO running `"docker" "inspect" "6c46ff8c170e2340e9b672e91fefa5094c29c96bb6c7282fd3dc25960c5a8b1d"`
Dec 05 06:19:46.461 INFO running `"docker" "rm" "-f" "6c46ff8c170e2340e9b672e91fefa5094c29c96bb6c7282fd3dc25960c5a8b1d"`
Dec 05 06:19:46.567 INFO [stdout] 6c46ff8c170e2340e9b672e91fefa5094c29c96bb6c7282fd3dc25960c5a8b1d