Nov 04 23:51:22.075 INFO checking funfun-0.2.4 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 23:51:22.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 23:51:22.324 INFO blam! 4f0406c3d593e7d4b91f90435edba28ba5a0be6ca674506733f625d60dfb8474
Nov 04 23:51:22.335 INFO running `"docker" "start" "-a" "4f0406c3d593e7d4b91f90435edba28ba5a0be6ca674506733f625d60dfb8474"`
Nov 04 23:51:22.812 INFO kablam! usermod: no changes
Nov 04 23:51:22.852 INFO kablam!     Checking funfun v0.2.4 (/source)
Nov 04 23:51:23.647 INFO kablam! warning: unused import: `std::fmt`
Nov 04 23:51:23.648 INFO kablam!  --> src/lib.rs:2:5
Nov 04 23:51:23.648 INFO kablam!   |
Nov 04 23:51:23.648 INFO kablam! 2 | use std::fmt;
Nov 04 23:51:23.648 INFO kablam!   |     ^^^^^^^^
Nov 04 23:51:23.649 INFO kablam!   |
Nov 04 23:51:23.649 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 23:51:23.649 INFO kablam! 
Nov 04 23:51:23.711 INFO kablam! warning: unused import: `std::fmt`
Nov 04 23:51:23.711 INFO kablam!  --> src/lib.rs:2:5
Nov 04 23:51:23.711 INFO kablam!   |
Nov 04 23:51:23.711 INFO kablam! 2 | use std::fmt;
Nov 04 23:51:23.711 INFO kablam!   |     ^^^^^^^^
Nov 04 23:51:23.711 INFO kablam!   |
Nov 04 23:51:23.711 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 23:51:23.711 INFO kablam! 
Nov 04 23:51:23.789 INFO kablam! warning: unused variable: `d`
Nov 04 23:51:23.789 INFO kablam!    --> src/lib.rs:104:14
Nov 04 23:51:23.789 INFO kablam!     |
Nov 04 23:51:23.789 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Nov 04 23:51:23.789 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 04 23:51:23.789 INFO kablam!     |
Nov 04 23:51:23.789 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 04 23:51:23.789 INFO kablam! 
Nov 04 23:51:23.789 INFO kablam! warning: unused variable: `d`
Nov 04 23:51:23.789 INFO kablam!    --> src/lib.rs:127:14
Nov 04 23:51:23.789 INFO kablam!     |
Nov 04 23:51:23.789 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Nov 04 23:51:23.789 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 04 23:51:23.789 INFO kablam! 
Nov 04 23:51:23.815 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 23:51:23.815 INFO kablam!    --> src/lib.rs:147:13
Nov 04 23:51:23.815 INFO kablam!     |
Nov 04 23:51:23.815 INFO kablam! 147 |             res.join();
Nov 04 23:51:23.815 INFO kablam!     |             ^^^^^^^^^^^
Nov 04 23:51:23.815 INFO kablam!     |
Nov 04 23:51:23.815 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 04 23:51:23.815 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 23:51:23.815 INFO kablam! 
Nov 04 23:51:23.815 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 23:51:23.815 INFO kablam!    --> src/lib.rs:165:13
Nov 04 23:51:23.815 INFO kablam!     |
Nov 04 23:51:23.815 INFO kablam! 165 |             res.join();
Nov 04 23:51:23.815 INFO kablam!     |             ^^^^^^^^^^^
Nov 04 23:51:23.815 INFO kablam!     |
Nov 04 23:51:23.815 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 23:51:23.815 INFO kablam! 
Nov 04 23:51:23.855 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Nov 04 23:51:23.855 INFO kablam! su: No module specific data is present
Nov 04 23:51:24.523 INFO running `"docker" "rm" "-f" "4f0406c3d593e7d4b91f90435edba28ba5a0be6ca674506733f625d60dfb8474"`
Nov 04 23:51:24.815 INFO blam! 4f0406c3d593e7d4b91f90435edba28ba5a0be6ca674506733f625d60dfb8474