Sep 06 06:50:34.217 INFO checking funfun-0.2.4 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 06:50:34.217 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 06:50:34.217 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:50:34.343 INFO blam! ba484615486d2b33e6dafb419de779c9228b3393f3561de7ad8d3cc707c3fca5
Sep 06 06:50:34.345 INFO running `"docker" "start" "-a" "ba484615486d2b33e6dafb419de779c9228b3393f3561de7ad8d3cc707c3fca5"`
Sep 06 06:50:35.587 INFO kablam! usermod: no changes
Sep 06 06:50:35.618 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 06 06:50:35.914 INFO kablam! warning: unused import: `std::fmt`
Sep 06 06:50:35.914 INFO kablam!  --> src/lib.rs:2:5
Sep 06 06:50:35.914 INFO kablam!   |
Sep 06 06:50:35.914 INFO kablam! 2 | use std::fmt;
Sep 06 06:50:35.914 INFO kablam!   |     ^^^^^^^^
Sep 06 06:50:35.914 INFO kablam!   |
Sep 06 06:50:35.914 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 06:50:35.914 INFO kablam! 
Sep 06 06:50:35.916 INFO kablam! warning: unused import: `std::fmt`
Sep 06 06:50:35.916 INFO kablam!  --> src/lib.rs:2:5
Sep 06 06:50:35.916 INFO kablam!   |
Sep 06 06:50:35.916 INFO kablam! 2 | use std::fmt;
Sep 06 06:50:35.916 INFO kablam!   |     ^^^^^^^^
Sep 06 06:50:35.916 INFO kablam!   |
Sep 06 06:50:35.916 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 06:50:35.916 INFO kablam! 
Sep 06 06:50:35.969 INFO kablam! warning: unused variable: `d`
Sep 06 06:50:35.969 INFO kablam!    --> src/lib.rs:104:14
Sep 06 06:50:35.969 INFO kablam!     |
Sep 06 06:50:35.969 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 06 06:50:35.969 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 06 06:50:35.969 INFO kablam!     |
Sep 06 06:50:35.969 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 06:50:35.969 INFO kablam! 
Sep 06 06:50:35.969 INFO kablam! warning: unused variable: `d`
Sep 06 06:50:35.969 INFO kablam!    --> src/lib.rs:127:14
Sep 06 06:50:35.969 INFO kablam!     |
Sep 06 06:50:35.969 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 06 06:50:35.969 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 06 06:50:35.969 INFO kablam! 
Sep 06 06:50:35.991 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 06:50:35.991 INFO kablam!    --> src/lib.rs:147:13
Sep 06 06:50:35.991 INFO kablam!     |
Sep 06 06:50:35.991 INFO kablam! 147 |             res.join();
Sep 06 06:50:35.991 INFO kablam!     |             ^^^^^^^^^^^
Sep 06 06:50:35.991 INFO kablam!     |
Sep 06 06:50:35.991 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 06:50:35.991 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 06:50:35.991 INFO kablam! 
Sep 06 06:50:35.991 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 06 06:50:35.991 INFO kablam!    --> src/lib.rs:165:13
Sep 06 06:50:35.991 INFO kablam!     |
Sep 06 06:50:35.991 INFO kablam! 165 |             res.join();
Sep 06 06:50:35.991 INFO kablam!     |             ^^^^^^^^^^^
Sep 06 06:50:35.991 INFO kablam!     |
Sep 06 06:50:35.991 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 06 06:50:35.991 INFO kablam! 
Sep 06 06:50:36.005 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Sep 06 06:50:36.008 INFO kablam! su: No module specific data is present
Sep 06 06:50:36.588 INFO running `"docker" "rm" "-f" "ba484615486d2b33e6dafb419de779c9228b3393f3561de7ad8d3cc707c3fca5"`
Sep 06 06:50:36.724 INFO blam! ba484615486d2b33e6dafb419de779c9228b3393f3561de7ad8d3cc707c3fca5