Sep 21 02:43:57.076 INFO checking specialize-0.0.3 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394 Sep 21 02:43:57.076 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets Sep 21 02:43:57.076 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 21 02:43:57.299 INFO blam! 601ac35ee36dd0a8d08de91211176bca485f18a7c4083c8272623894848f650e Sep 21 02:43:57.301 INFO running `"docker" "start" "-a" "601ac35ee36dd0a8d08de91211176bca485f18a7c4083c8272623894848f650e"` Sep 21 02:43:58.630 INFO kablam! usermod: no changes Sep 21 02:43:58.666 INFO kablam! Checking specialize v0.0.3 (/source) Sep 21 02:43:59.054 INFO kablam! warning: patterns aren't allowed in methods without bodies Sep 21 02:43:59.054 INFO kablam! --> src/lib.rs:594:65 Sep 21 02:43:59.054 INFO kablam! | Sep 21 02:43:59.054 INFO kablam! 594 | trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>; Sep 21 02:43:59.054 INFO kablam! | ^^^^^ Sep 21 02:43:59.054 INFO kablam! | Sep 21 02:43:59.054 INFO kablam! = note: #[warn(patterns_in_fns_without_body)] on by default Sep 21 02:43:59.054 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 21 02:43:59.054 INFO kablam! = note: for more information, see issue #35203 Sep 21 02:43:59.054 INFO kablam! Sep 21 02:43:59.162 INFO kablam! warning: unused variable: `w` Sep 21 02:43:59.162 INFO kablam! --> src/lib.rs:594:69 Sep 21 02:43:59.162 INFO kablam! | Sep 21 02:43:59.162 INFO kablam! 594 | trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>; Sep 21 02:43:59.162 INFO kablam! | ^ help: consider using `_w` instead Sep 21 02:43:59.162 INFO kablam! | Sep 21 02:43:59.162 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 21 02:43:59.162 INFO kablam! Sep 21 02:43:59.169 INFO kablam! warning: variable does not need to be mutable Sep 21 02:43:59.169 INFO kablam! --> src/lib.rs:594:65 Sep 21 02:43:59.169 INFO kablam! | Sep 21 02:43:59.169 INFO kablam! 594 | trait fn WriteTest::write_test[W: Write](&self, mut w: W) -> io::Result<()>; Sep 21 02:43:59.169 INFO kablam! | ----^ Sep 21 02:43:59.169 INFO kablam! | | Sep 21 02:43:59.169 INFO kablam! | help: remove this `mut` Sep 21 02:43:59.169 INFO kablam! | Sep 21 02:43:59.169 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 21 02:43:59.169 INFO kablam! Sep 21 02:43:59.220 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.56s Sep 21 02:43:59.226 INFO kablam! su: No module specific data is present Sep 21 02:44:00.019 INFO running `"docker" "rm" "-f" "601ac35ee36dd0a8d08de91211176bca485f18a7c4083c8272623894848f650e"` Sep 21 02:44:00.192 INFO blam! 601ac35ee36dd0a8d08de91211176bca485f18a7c4083c8272623894848f650e