Aug 31 23:06:09.799 INFO checking lewton-0.5.2 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578 Aug 31 23:06:09.799 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets Aug 31 23:06:09.799 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 31 23:06:10.087 INFO blam! 6c9335b65289f4e2bce3d66a8afc630a589fe8c74203936e4de2c87d4de220e2 Aug 31 23:06:10.089 INFO running `"docker" "start" "-a" "6c9335b65289f4e2bce3d66a8afc630a589fe8c74203936e4de2c87d4de220e2"` Aug 31 23:06:11.015 INFO kablam! Checking lewton v0.5.2 (file:///source) Aug 31 23:06:11.015 INFO kablam! Checking rental v0.4.16 Aug 31 23:06:12.736 INFO kablam! Checking al-sys v0.4.1 Aug 31 23:06:14.904 INFO kablam! warning: variable does not need to be mutable Aug 31 23:06:14.904 INFO kablam! --> src/huffman_tree.rs:96:8 Aug 31 23:06:14.904 INFO kablam! | Aug 31 23:06:14.904 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Aug 31 23:06:14.904 INFO kablam! | ----^^^^ Aug 31 23:06:14.904 INFO kablam! | | Aug 31 23:06:14.904 INFO kablam! | help: remove this `mut` Aug 31 23:06:14.904 INFO kablam! | Aug 31 23:06:14.904 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 31 23:06:14.904 INFO kablam! Aug 31 23:06:14.997 INFO kablam! warning: variable does not need to be mutable Aug 31 23:06:14.997 INFO kablam! --> src/imdct.rs:379:7 Aug 31 23:06:14.997 INFO kablam! | Aug 31 23:06:14.997 INFO kablam! 379 | let mut u = &mut *buffer; Aug 31 23:06:14.997 INFO kablam! | ----^ Aug 31 23:06:14.997 INFO kablam! | | Aug 31 23:06:14.997 INFO kablam! | help: remove this `mut` Aug 31 23:06:14.997 INFO kablam! Aug 31 23:06:14.998 INFO kablam! warning: variable does not need to be mutable Aug 31 23:06:14.998 INFO kablam! --> src/imdct.rs:380:7 Aug 31 23:06:14.998 INFO kablam! | Aug 31 23:06:14.998 INFO kablam! 380 | let mut v = &mut *buf2; Aug 31 23:06:14.998 INFO kablam! | ----^ Aug 31 23:06:14.998 INFO kablam! | | Aug 31 23:06:14.998 INFO kablam! | help: remove this `mut` Aug 31 23:06:14.998 INFO kablam! Aug 31 23:06:15.854 INFO kablam! Checking alto v1.1.4 Aug 31 23:06:25.320 INFO kablam! warning: unused `std::result::Result` which must be used Aug 31 23:06:25.320 INFO kablam! --> examples/player.rs:66:3 Aug 31 23:06:25.320 INFO kablam! | Aug 31 23:06:25.320 INFO kablam! 66 | str_src.queue_buffer(buf); Aug 31 23:06:25.320 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 31 23:06:25.321 INFO kablam! | Aug 31 23:06:25.321 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 31 23:06:25.321 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Aug 31 23:06:25.321 INFO kablam! Aug 31 23:06:27.560 INFO kablam! error: variable does not need to be mutable Aug 31 23:06:27.560 INFO kablam! --> src/huffman_tree.rs:96:8 Aug 31 23:06:27.560 INFO kablam! | Aug 31 23:06:27.560 INFO kablam! 96 | let mut left = self.l.as_mut().unwrap(); Aug 31 23:06:27.560 INFO kablam! | ----^^^^ Aug 31 23:06:27.560 INFO kablam! | | Aug 31 23:06:27.560 INFO kablam! | help: remove this `mut` Aug 31 23:06:27.560 INFO kablam! | Aug 31 23:06:27.560 INFO kablam! note: lint level defined here Aug 31 23:06:27.560 INFO kablam! --> src/lib.rs:10:24 Aug 31 23:06:27.560 INFO kablam! | Aug 31 23:06:27.560 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))] Aug 31 23:06:27.561 INFO kablam! | ^^^^^^^^ Aug 31 23:06:27.561 INFO kablam! = note: #[deny(unused_mut)] implied by #[deny(warnings)] Aug 31 23:06:27.561 INFO kablam! Aug 31 23:06:27.604 INFO kablam! error: variable does not need to be mutable Aug 31 23:06:27.604 INFO kablam! --> src/imdct.rs:379:7 Aug 31 23:06:27.604 INFO kablam! | Aug 31 23:06:27.604 INFO kablam! 379 | let mut u = &mut *buffer; Aug 31 23:06:27.604 INFO kablam! | ----^ Aug 31 23:06:27.604 INFO kablam! | | Aug 31 23:06:27.604 INFO kablam! | help: remove this `mut` Aug 31 23:06:27.604 INFO kablam! Aug 31 23:06:27.604 INFO kablam! error: variable does not need to be mutable Aug 31 23:06:27.604 INFO kablam! --> src/imdct.rs:380:7 Aug 31 23:06:27.604 INFO kablam! | Aug 31 23:06:27.604 INFO kablam! 380 | let mut v = &mut *buf2; Aug 31 23:06:27.604 INFO kablam! | ----^ Aug 31 23:06:27.604 INFO kablam! | | Aug 31 23:06:27.604 INFO kablam! | help: remove this `mut` Aug 31 23:06:27.604 INFO kablam! Aug 31 23:06:27.905 INFO kablam! error: aborting due to 3 previous errors Aug 31 23:06:27.905 INFO kablam! Aug 31 23:06:27.917 INFO kablam! error: Could not compile `lewton`. Aug 31 23:06:27.918 INFO kablam! Aug 31 23:06:27.918 INFO kablam! To learn more, run the command again with --verbose. Aug 31 23:06:27.919 INFO kablam! su: No module specific data is present Aug 31 23:06:28.442 INFO running `"docker" "rm" "-f" "6c9335b65289f4e2bce3d66a8afc630a589fe8c74203936e4de2c87d4de220e2"` Aug 31 23:06:28.563 INFO blam! 6c9335b65289f4e2bce3d66a8afc630a589fe8c74203936e4de2c87d4de220e2