Aug 30 20:20:59.768 INFO checking cue_sheet-0.2.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699 Aug 30 20:20:59.768 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets Aug 30 20:20:59.768 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 30 20:20:59.986 INFO blam! 7756bcd035ee5ce2071b165f5c46bd710e580ac3ba17c292e412cbd62b2aa674 Aug 30 20:20:59.988 INFO running `"docker" "start" "-a" "7756bcd035ee5ce2071b165f5c46bd710e580ac3ba17c292e412cbd62b2aa674"` Aug 30 20:21:00.909 INFO kablam! Checking cue_sheet v0.2.0 (file:///source) Aug 30 20:21:04.768 INFO kablam! warning: unused `std::result::Result` which must be used Aug 30 20:21:04.768 INFO kablam! --> examples/to_mb.rs:64:9 Aug 30 20:21:04.768 INFO kablam! | Aug 30 20:21:04.768 INFO kablam! 64 | file.read_to_string(&mut content); Aug 30 20:21:04.768 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 30 20:21:04.768 INFO kablam! | Aug 30 20:21:04.768 INFO kablam! = note: #[warn(unused_must_use)] on by default Aug 30 20:21:04.768 INFO kablam! = note: this `Result` may be an `Err` variant, which should be handled Aug 30 20:21:04.768 INFO kablam! Aug 30 20:21:04.785 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.93s Aug 30 20:21:04.791 INFO kablam! su: No module specific data is present Aug 30 20:21:05.124 INFO running `"docker" "rm" "-f" "7756bcd035ee5ce2071b165f5c46bd710e580ac3ba17c292e412cbd62b2aa674"` Aug 30 20:21:05.216 INFO blam! 7756bcd035ee5ce2071b165f5c46bd710e580ac3ba17c292e412cbd62b2aa674