Sep 01 21:02:37.166 INFO checking fe_session-0.5.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831 Sep 01 21:02:37.166 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 01 21:02:37.166 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 21:02:37.306 INFO blam! f7ba3fd694b0a2cebd5c18305c8d9deb8e5beeddab394b58e702bcc235eed08b Sep 01 21:02:37.308 INFO running `"docker" "start" "-a" "f7ba3fd694b0a2cebd5c18305c8d9deb8e5beeddab394b58e702bcc235eed08b"` Sep 01 21:02:37.997 INFO kablam! Checking iron v0.4.0 Sep 01 21:02:37.997 INFO kablam! Checking oven v0.3.0 Sep 01 21:02:40.875 INFO kablam! Checking fe_session v0.5.0 (file:///source) Sep 01 21:02:46.390 INFO kablam! warning: unused import: `std::io::Read` Sep 01 21:02:46.390 INFO kablam! --> tests/lib.rs:19:5 Sep 01 21:02:46.390 INFO kablam! | Sep 01 21:02:46.390 INFO kablam! 19 | use std::io::Read; Sep 01 21:02:46.390 INFO kablam! | ^^^^^^^^^^^^^ Sep 01 21:02:46.390 INFO kablam! | Sep 01 21:02:46.390 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 21:02:46.390 INFO kablam! Sep 01 21:02:46.533 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 8.69s Sep 01 21:02:46.540 INFO kablam! su: No module specific data is present Sep 01 21:02:47.203 INFO running `"docker" "rm" "-f" "f7ba3fd694b0a2cebd5c18305c8d9deb8e5beeddab394b58e702bcc235eed08b"` Sep 01 21:02:47.285 INFO blam! f7ba3fd694b0a2cebd5c18305c8d9deb8e5beeddab394b58e702bcc235eed08b