Sep 01 20:20:42.975 INFO checking funfun-0.2.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:20:42.975 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:20:42.975 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/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 20:20:43.111 INFO blam! d4506c66659ad06e12ec108be5f7e56255185f7802f5bd005334824c12002ee6
Sep 01 20:20:43.113 INFO running `"docker" "start" "-a" "d4506c66659ad06e12ec108be5f7e56255185f7802f5bd005334824c12002ee6"`
Sep 01 20:20:43.693 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 01 20:20:44.345 INFO kablam! warning: unused import: `std::fmt`
Sep 01 20:20:44.345 INFO kablam!  --> src/lib.rs:2:5
Sep 01 20:20:44.345 INFO kablam!   |
Sep 01 20:20:44.345 INFO kablam! 2 | use std::fmt;
Sep 01 20:20:44.345 INFO kablam!   |     ^^^^^^^^
Sep 01 20:20:44.345 INFO kablam!   |
Sep 01 20:20:44.345 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 20:20:44.345 INFO kablam! 
Sep 01 20:20:44.460 INFO kablam! warning: unused import: `std::fmt`
Sep 01 20:20:44.460 INFO kablam!  --> src/lib.rs:2:5
Sep 01 20:20:44.460 INFO kablam!   |
Sep 01 20:20:44.460 INFO kablam! 2 | use std::fmt;
Sep 01 20:20:44.460 INFO kablam!   |     ^^^^^^^^
Sep 01 20:20:44.460 INFO kablam!   |
Sep 01 20:20:44.460 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 20:20:44.460 INFO kablam! 
Sep 01 20:20:44.562 INFO kablam! warning: unused variable: `d`
Sep 01 20:20:44.562 INFO kablam!    --> src/lib.rs:104:14
Sep 01 20:20:44.562 INFO kablam!     |
Sep 01 20:20:44.562 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 01 20:20:44.562 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 01 20:20:44.562 INFO kablam!     |
Sep 01 20:20:44.562 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 20:20:44.562 INFO kablam! 
Sep 01 20:20:44.562 INFO kablam! warning: unused variable: `d`
Sep 01 20:20:44.562 INFO kablam!    --> src/lib.rs:127:14
Sep 01 20:20:44.562 INFO kablam!     |
Sep 01 20:20:44.562 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 01 20:20:44.562 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 01 20:20:44.562 INFO kablam! 
Sep 01 20:20:44.596 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 20:20:44.596 INFO kablam!    --> src/lib.rs:147:13
Sep 01 20:20:44.596 INFO kablam!     |
Sep 01 20:20:44.596 INFO kablam! 147 |             res.join();
Sep 01 20:20:44.596 INFO kablam!     |             ^^^^^^^^^^^
Sep 01 20:20:44.596 INFO kablam!     |
Sep 01 20:20:44.596 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 20:20:44.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 20:20:44.596 INFO kablam! 
Sep 01 20:20:44.596 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 20:20:44.597 INFO kablam!    --> src/lib.rs:165:13
Sep 01 20:20:44.597 INFO kablam!     |
Sep 01 20:20:44.597 INFO kablam! 165 |             res.join();
Sep 01 20:20:44.597 INFO kablam!     |             ^^^^^^^^^^^
Sep 01 20:20:44.597 INFO kablam!     |
Sep 01 20:20:44.597 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 20:20:44.597 INFO kablam! 
Sep 01 20:20:44.609 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Sep 01 20:20:44.611 INFO kablam! su: No module specific data is present
Sep 01 20:20:45.189 INFO running `"docker" "rm" "-f" "d4506c66659ad06e12ec108be5f7e56255185f7802f5bd005334824c12002ee6"`
Sep 01 20:20:45.298 INFO blam! d4506c66659ad06e12ec108be5f7e56255185f7802f5bd005334824c12002ee6