Sep 10 18:51:20.143 INFO checking funfun-0.2.4 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 18:51:20.143 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 18:51:20.143 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:51:20.245 INFO blam! cf2e650beb2e20a5c805367cb748f08fed334542670199bb36cc3a2452ee4a15
Sep 10 18:51:20.247 INFO running `"docker" "start" "-a" "cf2e650beb2e20a5c805367cb748f08fed334542670199bb36cc3a2452ee4a15"`
Sep 10 18:51:20.889 INFO kablam! usermod: no changes
Sep 10 18:51:20.909 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 10 18:51:21.122 INFO kablam! warning: unused import: `std::fmt`
Sep 10 18:51:21.122 INFO kablam!  --> src/lib.rs:2:5
Sep 10 18:51:21.122 INFO kablam!   |
Sep 10 18:51:21.122 INFO kablam! 2 | use std::fmt;
Sep 10 18:51:21.122 INFO kablam!   |     ^^^^^^^^
Sep 10 18:51:21.122 INFO kablam!   |
Sep 10 18:51:21.122 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 18:51:21.122 INFO kablam! 
Sep 10 18:51:21.174 INFO kablam! warning: unused import: `std::fmt`
Sep 10 18:51:21.174 INFO kablam!  --> src/lib.rs:2:5
Sep 10 18:51:21.174 INFO kablam!   |
Sep 10 18:51:21.174 INFO kablam! 2 | use std::fmt;
Sep 10 18:51:21.174 INFO kablam!   |     ^^^^^^^^
Sep 10 18:51:21.174 INFO kablam!   |
Sep 10 18:51:21.174 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 18:51:21.174 INFO kablam! 
Sep 10 18:51:21.246 INFO kablam! warning: unused variable: `d`
Sep 10 18:51:21.246 INFO kablam!    --> src/lib.rs:104:14
Sep 10 18:51:21.246 INFO kablam!     |
Sep 10 18:51:21.246 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 10 18:51:21.246 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 10 18:51:21.246 INFO kablam!     |
Sep 10 18:51:21.246 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 18:51:21.246 INFO kablam! 
Sep 10 18:51:21.246 INFO kablam! warning: unused variable: `d`
Sep 10 18:51:21.246 INFO kablam!    --> src/lib.rs:127:14
Sep 10 18:51:21.246 INFO kablam!     |
Sep 10 18:51:21.246 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 10 18:51:21.246 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 10 18:51:21.246 INFO kablam! 
Sep 10 18:51:21.271 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 18:51:21.272 INFO kablam!    --> src/lib.rs:147:13
Sep 10 18:51:21.272 INFO kablam!     |
Sep 10 18:51:21.272 INFO kablam! 147 |             res.join();
Sep 10 18:51:21.272 INFO kablam!     |             ^^^^^^^^^^^
Sep 10 18:51:21.272 INFO kablam!     |
Sep 10 18:51:21.272 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 18:51:21.272 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 18:51:21.272 INFO kablam! 
Sep 10 18:51:21.272 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 18:51:21.272 INFO kablam!    --> src/lib.rs:165:13
Sep 10 18:51:21.272 INFO kablam!     |
Sep 10 18:51:21.272 INFO kablam! 165 |             res.join();
Sep 10 18:51:21.272 INFO kablam!     |             ^^^^^^^^^^^
Sep 10 18:51:21.272 INFO kablam!     |
Sep 10 18:51:21.272 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 18:51:21.272 INFO kablam! 
Sep 10 18:51:21.285 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Sep 10 18:51:21.287 INFO kablam! su: No module specific data is present
Sep 10 18:51:22.164 INFO running `"docker" "rm" "-f" "cf2e650beb2e20a5c805367cb748f08fed334542670199bb36cc3a2452ee4a15"`
Sep 10 18:51:22.263 INFO blam! cf2e650beb2e20a5c805367cb748f08fed334542670199bb36cc3a2452ee4a15