Nov 01 22:53:50.613 INFO checking funfun-0.2.4 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 22:53:50.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 22:53:50.801 INFO blam! c9a4075b5cb4c27202074d6d9143212aad9f42102bd6d4eabf16e3db532c2d1b
Nov 01 22:53:50.803 INFO running `"docker" "start" "-a" "c9a4075b5cb4c27202074d6d9143212aad9f42102bd6d4eabf16e3db532c2d1b"`
Nov 01 22:53:51.464 INFO kablam! usermod: no changes
Nov 01 22:53:51.501 INFO kablam!     Checking funfun v0.2.4 (/source)
Nov 01 22:53:52.536 INFO kablam! warning: unused import: `std::fmt`
Nov 01 22:53:52.536 INFO kablam!  --> src/lib.rs:2:5
Nov 01 22:53:52.536 INFO kablam!   |
Nov 01 22:53:52.536 INFO kablam! 2 | use std::fmt;
Nov 01 22:53:52.536 INFO kablam!   |     ^^^^^^^^
Nov 01 22:53:52.536 INFO kablam!   |
Nov 01 22:53:52.536 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 22:53:52.536 INFO kablam! 
Nov 01 22:53:52.722 INFO kablam! warning: unused import: `std::fmt`
Nov 01 22:53:52.722 INFO kablam!  --> src/lib.rs:2:5
Nov 01 22:53:52.722 INFO kablam!   |
Nov 01 22:53:52.722 INFO kablam! 2 | use std::fmt;
Nov 01 22:53:52.722 INFO kablam!   |     ^^^^^^^^
Nov 01 22:53:52.722 INFO kablam!   |
Nov 01 22:53:52.728 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 22:53:52.728 INFO kablam! 
Nov 01 22:53:52.828 INFO kablam! warning: unused variable: `d`
Nov 01 22:53:52.828 INFO kablam!    --> src/lib.rs:104:14
Nov 01 22:53:52.828 INFO kablam!     |
Nov 01 22:53:52.828 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Nov 01 22:53:52.828 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 01 22:53:52.828 INFO kablam!     |
Nov 01 22:53:52.828 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 22:53:52.828 INFO kablam! 
Nov 01 22:53:52.828 INFO kablam! warning: unused variable: `d`
Nov 01 22:53:52.828 INFO kablam!    --> src/lib.rs:127:14
Nov 01 22:53:52.828 INFO kablam!     |
Nov 01 22:53:52.828 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Nov 01 22:53:52.828 INFO kablam!     |              ^ help: consider using `_d` instead
Nov 01 22:53:52.828 INFO kablam! 
Nov 01 22:53:52.857 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 22:53:52.857 INFO kablam!    --> src/lib.rs:147:13
Nov 01 22:53:52.857 INFO kablam!     |
Nov 01 22:53:52.857 INFO kablam! 147 |             res.join();
Nov 01 22:53:52.857 INFO kablam!     |             ^^^^^^^^^^^
Nov 01 22:53:52.857 INFO kablam!     |
Nov 01 22:53:52.857 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 22:53:52.857 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 22:53:52.857 INFO kablam! 
Nov 01 22:53:52.858 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 22:53:52.858 INFO kablam!    --> src/lib.rs:165:13
Nov 01 22:53:52.858 INFO kablam!     |
Nov 01 22:53:52.858 INFO kablam! 165 |             res.join();
Nov 01 22:53:52.858 INFO kablam!     |             ^^^^^^^^^^^
Nov 01 22:53:52.858 INFO kablam!     |
Nov 01 22:53:52.858 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 22:53:52.858 INFO kablam! 
Nov 01 22:53:52.900 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Nov 01 22:53:52.900 INFO kablam! su: No module specific data is present
Nov 01 22:53:53.872 INFO running `"docker" "rm" "-f" "c9a4075b5cb4c27202074d6d9143212aad9f42102bd6d4eabf16e3db532c2d1b"`
Nov 01 22:53:54.204 INFO blam! c9a4075b5cb4c27202074d6d9143212aad9f42102bd6d4eabf16e3db532c2d1b