Sep 10 18:51:18.978 INFO checking funfun-0.2.4 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:51:18.978 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:51:18.979 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:51:19.126 INFO blam! dd143a4afbe66eb59bf7d7dc7b71fbca6e1e49002666944aca9c84fb65419336
Sep 10 18:51:19.128 INFO running `"docker" "start" "-a" "dd143a4afbe66eb59bf7d7dc7b71fbca6e1e49002666944aca9c84fb65419336"`
Sep 10 18:51:20.380 INFO kablam! usermod: no changes
Sep 10 18:51:20.410 INFO kablam!     Checking funfun v0.2.4 (file:///source)
Sep 10 18:51:20.610 INFO kablam! warning: unused import: `std::fmt`
Sep 10 18:51:20.610 INFO kablam!  --> src/lib.rs:2:5
Sep 10 18:51:20.610 INFO kablam!   |
Sep 10 18:51:20.610 INFO kablam! 2 | use std::fmt;
Sep 10 18:51:20.610 INFO kablam!   |     ^^^^^^^^
Sep 10 18:51:20.610 INFO kablam!   |
Sep 10 18:51:20.610 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 18:51:20.610 INFO kablam! 
Sep 10 18:51:20.638 INFO kablam! warning: unused import: `std::fmt`
Sep 10 18:51:20.638 INFO kablam!  --> src/lib.rs:2:5
Sep 10 18:51:20.638 INFO kablam!   |
Sep 10 18:51:20.638 INFO kablam! 2 | use std::fmt;
Sep 10 18:51:20.638 INFO kablam!   |     ^^^^^^^^
Sep 10 18:51:20.638 INFO kablam!   |
Sep 10 18:51:20.638 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 18:51:20.638 INFO kablam! 
Sep 10 18:51:20.700 INFO kablam! warning: unused variable: `d`
Sep 10 18:51:20.700 INFO kablam!    --> src/lib.rs:104:14
Sep 10 18:51:20.701 INFO kablam!     |
Sep 10 18:51:20.701 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 10 18:51:20.701 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 10 18:51:20.701 INFO kablam!     |
Sep 10 18:51:20.701 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 18:51:20.701 INFO kablam! 
Sep 10 18:51:20.701 INFO kablam! warning: unused variable: `d`
Sep 10 18:51:20.701 INFO kablam!    --> src/lib.rs:127:14
Sep 10 18:51:20.701 INFO kablam!     |
Sep 10 18:51:20.701 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 10 18:51:20.701 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 10 18:51:20.701 INFO kablam! 
Sep 10 18:51:20.723 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 18:51:20.723 INFO kablam!    --> src/lib.rs:147:13
Sep 10 18:51:20.723 INFO kablam!     |
Sep 10 18:51:20.723 INFO kablam! 147 |             res.join();
Sep 10 18:51:20.723 INFO kablam!     |             ^^^^^^^^^^^
Sep 10 18:51:20.723 INFO kablam!     |
Sep 10 18:51:20.723 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 18:51:20.723 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 18:51:20.723 INFO kablam! 
Sep 10 18:51:20.724 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 18:51:20.724 INFO kablam!    --> src/lib.rs:165:13
Sep 10 18:51:20.724 INFO kablam!     |
Sep 10 18:51:20.724 INFO kablam! 165 |             res.join();
Sep 10 18:51:20.724 INFO kablam!     |             ^^^^^^^^^^^
Sep 10 18:51:20.724 INFO kablam!     |
Sep 10 18:51:20.724 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 18:51:20.724 INFO kablam! 
Sep 10 18:51:20.733 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Sep 10 18:51:20.735 INFO kablam! su: No module specific data is present
Sep 10 18:51:21.326 INFO running `"docker" "rm" "-f" "dd143a4afbe66eb59bf7d7dc7b71fbca6e1e49002666944aca9c84fb65419336"`
Sep 10 18:51:21.441 INFO blam! dd143a4afbe66eb59bf7d7dc7b71fbca6e1e49002666944aca9c84fb65419336