Oct 13 04:44:35.934 INFO checking Flecheck/Sudoku against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 04:44:35.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 04:44:36.480 INFO blam! 6e3ab0ca540a06f394cb32abe9e68571bd7cdbac4be103d2c4e5ee14288bf577
Oct 13 04:44:36.482 INFO running `"docker" "start" "-a" "6e3ab0ca540a06f394cb32abe9e68571bd7cdbac4be103d2c4e5ee14288bf577"`
Oct 13 04:44:38.817 INFO kablam! usermod: no changes
Oct 13 04:44:38.866 INFO kablam!     Checking indexmap v0.4.1
Oct 13 04:44:40.308 INFO kablam!     Checking priority-queue v0.5.1
Oct 13 04:44:41.208 INFO kablam!     Checking sudoku v0.1.0 (/source)
Oct 13 04:44:42.241 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 04:44:42.241 INFO kablam!   --> src/main.rs:16:5
Oct 13 04:44:42.241 INFO kablam!    |
Oct 13 04:44:42.241 INFO kablam! 16 | use std::time::Duration;
Oct 13 04:44:42.241 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 04:44:42.241 INFO kablam!    |
Oct 13 04:44:42.241 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 04:44:42.241 INFO kablam! 
Oct 13 04:44:42.241 INFO kablam! warning: unused import: `std::time::Instant`
Oct 13 04:44:42.241 INFO kablam!   --> src/main.rs:17:5
Oct 13 04:44:42.242 INFO kablam!    |
Oct 13 04:44:42.242 INFO kablam! 17 | use std::time::Instant;
Oct 13 04:44:42.242 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 13 04:44:42.242 INFO kablam! 
Oct 13 04:44:42.252 INFO kablam! warning: unused import: `std::time::Duration`
Oct 13 04:44:42.252 INFO kablam!   --> src/main.rs:16:5
Oct 13 04:44:42.252 INFO kablam!    |
Oct 13 04:44:42.252 INFO kablam! 16 | use std::time::Duration;
Oct 13 04:44:42.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 13 04:44:42.252 INFO kablam!    |
Oct 13 04:44:42.252 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 04:44:42.252 INFO kablam! 
Oct 13 04:44:42.252 INFO kablam! warning: unused import: `std::time::Instant`
Oct 13 04:44:42.252 INFO kablam!   --> src/main.rs:17:5
Oct 13 04:44:42.252 INFO kablam!    |
Oct 13 04:44:42.252 INFO kablam! 17 | use std::time::Instant;
Oct 13 04:44:42.252 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 13 04:44:42.252 INFO kablam! 
Oct 13 04:44:42.769 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Oct 13 04:44:42.773 INFO kablam! su: No module specific data is present
Oct 13 04:44:44.040 INFO running `"docker" "rm" "-f" "6e3ab0ca540a06f394cb32abe9e68571bd7cdbac4be103d2c4e5ee14288bf577"`
Oct 13 04:44:44.248 INFO blam! 6e3ab0ca540a06f394cb32abe9e68571bd7cdbac4be103d2c4e5ee14288bf577