Sep 02 13:56:04.498 INFO checking funfun-0.2.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 13:56:04.498 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 13:56:04.498 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/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 02 13:56:04.646 INFO blam! def3179a08a7f5772d89acac941d7425812c47faf07c6693535e3e978600aeb9
Sep 02 13:56:04.647 INFO running `"docker" "start" "-a" "def3179a08a7f5772d89acac941d7425812c47faf07c6693535e3e978600aeb9"`
Sep 02 13:56:05.218 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 02 13:56:05.621 INFO kablam! warning: unused import: `std::fmt`
Sep 02 13:56:05.621 INFO kablam!  --> src/lib.rs:2:5
Sep 02 13:56:05.621 INFO kablam!   |
Sep 02 13:56:05.621 INFO kablam! 2 | use std::fmt;
Sep 02 13:56:05.621 INFO kablam!   |     ^^^^^^^^
Sep 02 13:56:05.621 INFO kablam!   |
Sep 02 13:56:05.621 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 13:56:05.621 INFO kablam! 
Sep 02 13:56:05.871 INFO kablam! warning: unused import: `std::fmt`
Sep 02 13:56:05.871 INFO kablam!  --> src/lib.rs:2:5
Sep 02 13:56:05.871 INFO kablam!   |
Sep 02 13:56:05.871 INFO kablam! 2 | use std::fmt;
Sep 02 13:56:05.871 INFO kablam!   |     ^^^^^^^^
Sep 02 13:56:05.871 INFO kablam!   |
Sep 02 13:56:05.871 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 02 13:56:05.871 INFO kablam! 
Sep 02 13:56:05.983 INFO kablam! warning: unused variable: `d`
Sep 02 13:56:05.983 INFO kablam!    --> src/lib.rs:104:14
Sep 02 13:56:05.983 INFO kablam!     |
Sep 02 13:56:05.983 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 02 13:56:05.983 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 02 13:56:05.983 INFO kablam!     |
Sep 02 13:56:05.983 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 13:56:05.983 INFO kablam! 
Sep 02 13:56:05.983 INFO kablam! warning: unused variable: `d`
Sep 02 13:56:05.983 INFO kablam!    --> src/lib.rs:127:14
Sep 02 13:56:05.983 INFO kablam!     |
Sep 02 13:56:05.983 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 02 13:56:05.983 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 02 13:56:05.983 INFO kablam! 
Sep 02 13:56:06.019 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 13:56:06.019 INFO kablam!    --> src/lib.rs:147:13
Sep 02 13:56:06.019 INFO kablam!     |
Sep 02 13:56:06.019 INFO kablam! 147 |             res.join();
Sep 02 13:56:06.019 INFO kablam!     |             ^^^^^^^^^^^
Sep 02 13:56:06.019 INFO kablam!     |
Sep 02 13:56:06.019 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 02 13:56:06.019 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 13:56:06.019 INFO kablam! 
Sep 02 13:56:06.019 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 02 13:56:06.019 INFO kablam!    --> src/lib.rs:165:13
Sep 02 13:56:06.019 INFO kablam!     |
Sep 02 13:56:06.019 INFO kablam! 165 |             res.join();
Sep 02 13:56:06.019 INFO kablam!     |             ^^^^^^^^^^^
Sep 02 13:56:06.020 INFO kablam!     |
Sep 02 13:56:06.020 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 02 13:56:06.020 INFO kablam! 
Sep 02 13:56:06.033 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Sep 02 13:56:06.036 INFO kablam! su: No module specific data is present
Sep 02 13:56:06.424 INFO running `"docker" "rm" "-f" "def3179a08a7f5772d89acac941d7425812c47faf07c6693535e3e978600aeb9"`
Sep 02 13:56:06.553 INFO blam! def3179a08a7f5772d89acac941d7425812c47faf07c6693535e3e978600aeb9