Oct 13 15:06:26.773 INFO checking funfun-0.2.4 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 15:06:26.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 15:06:27.003 INFO blam! 22476c900568856e1a6f25ae3697f177ea1c79ebbfab20b5190ae5ce353fb68b
Oct 13 15:06:27.006 INFO running `"docker" "start" "-a" "22476c900568856e1a6f25ae3697f177ea1c79ebbfab20b5190ae5ce353fb68b"`
Oct 13 15:06:27.518 INFO kablam! usermod: no changes
Oct 13 15:06:27.584 INFO kablam!     Checking funfun v0.2.4 (/source)
Oct 13 15:06:28.598 INFO kablam! warning: unused import: `std::fmt`
Oct 13 15:06:28.598 INFO kablam!  --> src/lib.rs:2:5
Oct 13 15:06:28.598 INFO kablam!   |
Oct 13 15:06:28.598 INFO kablam! 2 | use std::fmt;
Oct 13 15:06:28.598 INFO kablam!   |     ^^^^^^^^
Oct 13 15:06:28.598 INFO kablam!   |
Oct 13 15:06:28.598 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 15:06:28.598 INFO kablam! 
Oct 13 15:06:28.660 INFO kablam! warning: unused import: `std::fmt`
Oct 13 15:06:28.660 INFO kablam!  --> src/lib.rs:2:5
Oct 13 15:06:28.660 INFO kablam!   |
Oct 13 15:06:28.660 INFO kablam! 2 | use std::fmt;
Oct 13 15:06:28.660 INFO kablam!   |     ^^^^^^^^
Oct 13 15:06:28.660 INFO kablam!   |
Oct 13 15:06:28.660 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 15:06:28.660 INFO kablam! 
Oct 13 15:06:28.748 INFO kablam! warning: unused variable: `d`
Oct 13 15:06:28.748 INFO kablam!    --> src/lib.rs:104:14
Oct 13 15:06:28.748 INFO kablam!     |
Oct 13 15:06:28.748 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Oct 13 15:06:28.748 INFO kablam!     |              ^ help: consider using `_d` instead
Oct 13 15:06:28.748 INFO kablam!     |
Oct 13 15:06:28.748 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 15:06:28.748 INFO kablam! 
Oct 13 15:06:28.748 INFO kablam! warning: unused variable: `d`
Oct 13 15:06:28.748 INFO kablam!    --> src/lib.rs:127:14
Oct 13 15:06:28.748 INFO kablam!     |
Oct 13 15:06:28.748 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Oct 13 15:06:28.748 INFO kablam!     |              ^ help: consider using `_d` instead
Oct 13 15:06:28.748 INFO kablam! 
Oct 13 15:06:28.828 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:06:28.828 INFO kablam!    --> src/lib.rs:147:13
Oct 13 15:06:28.828 INFO kablam!     |
Oct 13 15:06:28.828 INFO kablam! 147 |             res.join();
Oct 13 15:06:28.828 INFO kablam!     |             ^^^^^^^^^^^
Oct 13 15:06:28.828 INFO kablam!     |
Oct 13 15:06:28.828 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 15:06:28.828 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:06:28.828 INFO kablam! 
Oct 13 15:06:28.828 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 15:06:28.828 INFO kablam!    --> src/lib.rs:165:13
Oct 13 15:06:28.828 INFO kablam!     |
Oct 13 15:06:28.828 INFO kablam! 165 |             res.join();
Oct 13 15:06:28.828 INFO kablam!     |             ^^^^^^^^^^^
Oct 13 15:06:28.828 INFO kablam!     |
Oct 13 15:06:28.828 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 15:06:28.828 INFO kablam! 
Oct 13 15:06:28.852 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Oct 13 15:06:28.872 INFO kablam! su: No module specific data is present
Oct 13 15:06:29.730 INFO running `"docker" "rm" "-f" "22476c900568856e1a6f25ae3697f177ea1c79ebbfab20b5190ae5ce353fb68b"`
Oct 13 15:06:30.060 INFO blam! 22476c900568856e1a6f25ae3697f177ea1c79ebbfab20b5190ae5ce353fb68b