Sep 21 10:12:22.338 INFO checking funfun-0.2.4 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:12:22.338 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:12:22.338 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:12:22.520 INFO blam! a16e12edb25a46f2a1be2e9656c4d14939952eb7bfa8068005f001e9ff0f348f
Sep 21 10:12:22.522 INFO running `"docker" "start" "-a" "a16e12edb25a46f2a1be2e9656c4d14939952eb7bfa8068005f001e9ff0f348f"`
Sep 21 10:12:23.302 INFO kablam! usermod: no changes
Sep 21 10:12:23.332 INFO kablam!     Checking funfun v0.2.4 (/source)
Sep 21 10:12:23.610 INFO kablam! warning: unused import: `std::fmt`
Sep 21 10:12:23.610 INFO kablam!  --> src/lib.rs:2:5
Sep 21 10:12:23.610 INFO kablam!   |
Sep 21 10:12:23.610 INFO kablam! 2 | use std::fmt;
Sep 21 10:12:23.610 INFO kablam!   |     ^^^^^^^^
Sep 21 10:12:23.610 INFO kablam!   |
Sep 21 10:12:23.610 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 10:12:23.610 INFO kablam! 
Sep 21 10:12:23.639 INFO kablam! warning: unused import: `std::fmt`
Sep 21 10:12:23.639 INFO kablam!  --> src/lib.rs:2:5
Sep 21 10:12:23.639 INFO kablam!   |
Sep 21 10:12:23.639 INFO kablam! 2 | use std::fmt;
Sep 21 10:12:23.639 INFO kablam!   |     ^^^^^^^^
Sep 21 10:12:23.639 INFO kablam!   |
Sep 21 10:12:23.639 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 10:12:23.639 INFO kablam! 
Sep 21 10:12:23.694 INFO kablam! warning: unused variable: `d`
Sep 21 10:12:23.694 INFO kablam!    --> src/lib.rs:104:14
Sep 21 10:12:23.694 INFO kablam!     |
Sep 21 10:12:23.694 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 21 10:12:23.694 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 21 10:12:23.694 INFO kablam!     |
Sep 21 10:12:23.694 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 10:12:23.694 INFO kablam! 
Sep 21 10:12:23.694 INFO kablam! warning: unused variable: `d`
Sep 21 10:12:23.694 INFO kablam!    --> src/lib.rs:127:14
Sep 21 10:12:23.694 INFO kablam!     |
Sep 21 10:12:23.694 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 21 10:12:23.694 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 21 10:12:23.694 INFO kablam! 
Sep 21 10:12:23.721 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 10:12:23.721 INFO kablam!    --> src/lib.rs:147:13
Sep 21 10:12:23.721 INFO kablam!     |
Sep 21 10:12:23.721 INFO kablam! 147 |             res.join();
Sep 21 10:12:23.721 INFO kablam!     |             ^^^^^^^^^^^
Sep 21 10:12:23.721 INFO kablam!     |
Sep 21 10:12:23.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 10:12:23.721 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 10:12:23.721 INFO kablam! 
Sep 21 10:12:23.723 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 10:12:23.723 INFO kablam!    --> src/lib.rs:165:13
Sep 21 10:12:23.723 INFO kablam!     |
Sep 21 10:12:23.723 INFO kablam! 165 |             res.join();
Sep 21 10:12:23.723 INFO kablam!     |             ^^^^^^^^^^^
Sep 21 10:12:23.723 INFO kablam!     |
Sep 21 10:12:23.723 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 10:12:23.723 INFO kablam! 
Sep 21 10:12:23.739 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Sep 21 10:12:23.741 INFO kablam! su: No module specific data is present
Sep 21 10:12:24.394 INFO running `"docker" "rm" "-f" "a16e12edb25a46f2a1be2e9656c4d14939952eb7bfa8068005f001e9ff0f348f"`
Sep 21 10:12:24.506 INFO blam! a16e12edb25a46f2a1be2e9656c4d14939952eb7bfa8068005f001e9ff0f348f