Nov 01 22:53:50.687 INFO checking funfun-0.2.4 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 22:53:50.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 22:53:50.856 INFO blam! 8c167012369688a7050fed806b671554e78026ede7623958d65b65c622afdce4
Nov 01 22:53:50.862 INFO running `"docker" "start" "-a" "8c167012369688a7050fed806b671554e78026ede7623958d65b65c622afdce4"`
Nov 01 22:53:51.452 INFO kablam! usermod: no changes
Nov 01 22:53:51.499 INFO kablam!     Checking funfun v0.2.4 (/source)
Nov 01 22:53:52.080 INFO kablam! warning: unused import: `std::fmt`
Nov 01 22:53:52.080 INFO kablam!  --> src/lib.rs:2:5
Nov 01 22:53:52.080 INFO kablam!   |
Nov 01 22:53:52.080 INFO kablam! 2 | use std::fmt;
Nov 01 22:53:52.080 INFO kablam!   |     ^^^^^^^^
Nov 01 22:53:52.080 INFO kablam!   |
Nov 01 22:53:52.080 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 22:53:52.080 INFO kablam! 
Nov 01 22:53:52.581 INFO kablam! warning: unused import: `std::fmt`
Nov 01 22:53:52.581 INFO kablam!  --> src/lib.rs:2:5
Nov 01 22:53:52.582 INFO kablam!   |
Nov 01 22:53:52.582 INFO kablam! 2 | use std::fmt;
Nov 01 22:53:52.582 INFO kablam!   |     ^^^^^^^^
Nov 01 22:53:52.583 INFO kablam!   |
Nov 01 22:53:52.583 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 22:53:52.583 INFO kablam! 
Nov 01 22:53:52.659 INFO kablam! warning: unused variable: `d`
Nov 01 22:53:52.659 INFO kablam!    --> src/lib.rs:104:14
Nov 01 22:53:52.659 INFO kablam!     |
Nov 01 22:53:52.659 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Nov 01 22:53:52.659 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 01 22:53:52.659 INFO kablam!     |
Nov 01 22:53:52.661 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 22:53:52.661 INFO kablam! 
Nov 01 22:53:52.661 INFO kablam! warning: unused variable: `d`
Nov 01 22:53:52.661 INFO kablam!    --> src/lib.rs:127:14
Nov 01 22:53:52.661 INFO kablam!     |
Nov 01 22:53:52.661 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Nov 01 22:53:52.661 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 01 22:53:52.661 INFO kablam! 
Nov 01 22:53:52.687 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 22:53:52.687 INFO kablam!    --> src/lib.rs:147:13
Nov 01 22:53:52.687 INFO kablam!     |
Nov 01 22:53:52.687 INFO kablam! 147 |             res.join();
Nov 01 22:53:52.687 INFO kablam!     |             ^^^^^^^^^^^
Nov 01 22:53:52.687 INFO kablam!     |
Nov 01 22:53:52.687 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 22:53:52.687 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 22:53:52.689 INFO kablam! 
Nov 01 22:53:52.689 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 22:53:52.689 INFO kablam!    --> src/lib.rs:165:13
Nov 01 22:53:52.689 INFO kablam!     |
Nov 01 22:53:52.689 INFO kablam! 165 |             res.join();
Nov 01 22:53:52.689 INFO kablam!     |             ^^^^^^^^^^^
Nov 01 22:53:52.689 INFO kablam!     |
Nov 01 22:53:52.689 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 22:53:52.689 INFO kablam! 
Nov 01 22:53:52.740 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Nov 01 22:53:52.740 INFO kablam! su: No module specific data is present
Nov 01 22:53:53.516 INFO running `"docker" "rm" "-f" "8c167012369688a7050fed806b671554e78026ede7623958d65b65c622afdce4"`
Nov 01 22:53:53.869 INFO blam! 8c167012369688a7050fed806b671554e78026ede7623958d65b65c622afdce4