Oct 12 18:00:32.875 INFO checking mahulst/rust-playground-w against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:00:32.877 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 12 18:00:33.387 INFO blam! c08add29f59ab2a79d7a267623af095367c323198dcd3875b815c5a416b6430a
Oct 12 18:00:33.389 INFO running `"docker" "start" "-a" "c08add29f59ab2a79d7a267623af095367c323198dcd3875b815c5a416b6430a"`
Oct 12 18:00:35.218 INFO kablam! usermod: no changes
Oct 12 18:00:35.292 INFO kablam!     Checking minigrep v0.1.0 (/source)
Oct 12 18:00:35.816 INFO kablam! warning: unused import: `std::io::prelude`
Oct 12 18:00:35.816 INFO kablam!  --> src/lib.rs:3:5
Oct 12 18:00:35.816 INFO kablam!   |
Oct 12 18:00:35.816 INFO kablam! 3 | use std::io::prelude::*;
Oct 12 18:00:35.816 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 18:00:35.816 INFO kablam!   |
Oct 12 18:00:35.816 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:00:35.816 INFO kablam! 
Oct 12 18:00:36.124 INFO kablam! warning: unused import: `std::io::prelude`
Oct 12 18:00:36.124 INFO kablam!  --> src/lib.rs:3:5
Oct 12 18:00:36.124 INFO kablam!   |
Oct 12 18:00:36.124 INFO kablam! 3 | use std::io::prelude::*;
Oct 12 18:00:36.124 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 12 18:00:36.124 INFO kablam!   |
Oct 12 18:00:36.124 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:00:36.124 INFO kablam! 
Oct 12 18:00:36.524 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Oct 12 18:00:36.524 INFO kablam! su: No module specific data is present
Oct 12 18:00:37.360 INFO running `"docker" "rm" "-f" "c08add29f59ab2a79d7a267623af095367c323198dcd3875b815c5a416b6430a"`
Oct 12 18:00:37.676 INFO blam! c08add29f59ab2a79d7a267623af095367c323198dcd3875b815c5a416b6430a