Sep 14 16:21:04.076 INFO checking funfun-0.2.4 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 16:21:04.076 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 16:21:04.076 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:21:04.300 INFO blam! f5c00d2e8264134550e0245bf413151f9c26d5855ec55982f70b63d2fafaff4c
Sep 14 16:21:04.301 INFO running `"docker" "start" "-a" "f5c00d2e8264134550e0245bf413151f9c26d5855ec55982f70b63d2fafaff4c"`
Sep 14 16:21:05.330 INFO kablam! usermod: no changes
Sep 14 16:21:05.356 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 14 16:21:05.567 INFO kablam! warning: unused import: `std::fmt`
Sep 14 16:21:05.567 INFO kablam!  --> src/lib.rs:2:5
Sep 14 16:21:05.567 INFO kablam!   |
Sep 14 16:21:05.567 INFO kablam! 2 | use std::fmt;
Sep 14 16:21:05.567 INFO kablam!   |     ^^^^^^^^
Sep 14 16:21:05.567 INFO kablam!   |
Sep 14 16:21:05.567 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 16:21:05.567 INFO kablam! 
Sep 14 16:21:05.586 INFO kablam! warning: unused import: `std::fmt`
Sep 14 16:21:05.586 INFO kablam!  --> src/lib.rs:2:5
Sep 14 16:21:05.586 INFO kablam!   |
Sep 14 16:21:05.586 INFO kablam! 2 | use std::fmt;
Sep 14 16:21:05.586 INFO kablam!   |     ^^^^^^^^
Sep 14 16:21:05.586 INFO kablam!   |
Sep 14 16:21:05.586 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 16:21:05.586 INFO kablam! 
Sep 14 16:21:05.628 INFO kablam! warning: unused variable: `d`
Sep 14 16:21:05.628 INFO kablam!    --> src/lib.rs:104:14
Sep 14 16:21:05.628 INFO kablam!     |
Sep 14 16:21:05.628 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 14 16:21:05.628 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 14 16:21:05.628 INFO kablam!     |
Sep 14 16:21:05.628 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:21:05.628 INFO kablam! 
Sep 14 16:21:05.628 INFO kablam! warning: unused variable: `d`
Sep 14 16:21:05.628 INFO kablam!    --> src/lib.rs:127:14
Sep 14 16:21:05.628 INFO kablam!     |
Sep 14 16:21:05.628 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 14 16:21:05.628 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 14 16:21:05.628 INFO kablam! 
Sep 14 16:21:05.647 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:21:05.647 INFO kablam!    --> src/lib.rs:147:13
Sep 14 16:21:05.647 INFO kablam!     |
Sep 14 16:21:05.647 INFO kablam! 147 |             res.join();
Sep 14 16:21:05.647 INFO kablam!     |             ^^^^^^^^^^^
Sep 14 16:21:05.647 INFO kablam!     |
Sep 14 16:21:05.647 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 16:21:05.647 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:21:05.647 INFO kablam! 
Sep 14 16:21:05.648 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 14 16:21:05.648 INFO kablam!    --> src/lib.rs:165:13
Sep 14 16:21:05.648 INFO kablam!     |
Sep 14 16:21:05.648 INFO kablam! 165 |             res.join();
Sep 14 16:21:05.648 INFO kablam!     |             ^^^^^^^^^^^
Sep 14 16:21:05.648 INFO kablam!     |
Sep 14 16:21:05.648 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 14 16:21:05.648 INFO kablam! 
Sep 14 16:21:05.659 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Sep 14 16:21:05.660 INFO kablam! su: No module specific data is present
Sep 14 16:21:06.203 INFO running `"docker" "rm" "-f" "f5c00d2e8264134550e0245bf413151f9c26d5855ec55982f70b63d2fafaff4c"`
Sep 14 16:21:06.300 INFO blam! f5c00d2e8264134550e0245bf413151f9c26d5855ec55982f70b63d2fafaff4c