Oct 27 19:44:46.409 INFO checking libosu-0.0.7 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 19:44:46.409 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 19:44:46.855 INFO blam! 3415dd717d531a99c5988c8ea1de99d9c37dae971493751c67208c803b20c79d
Oct 27 19:44:46.871 INFO running `"docker" "start" "-a" "3415dd717d531a99c5988c8ea1de99d9c37dae971493751c67208c803b20c79d"`
Oct 27 19:44:48.117 INFO kablam! usermod: no changes
Oct 27 19:44:48.267 INFO kablam!     Checking num-rational v0.2.1
Oct 27 19:44:49.575 INFO kablam!     Checking libosu v0.0.7 (/source)
Oct 27 19:44:58.490 INFO kablam! warning: unused import: `Write`
Oct 27 19:44:58.490 INFO kablam!  --> tests/test_serde.rs:7:21
Oct 27 19:44:58.490 INFO kablam!   |
Oct 27 19:44:58.491 INFO kablam! 7 | use std::io::{Read, Write};
Oct 27 19:44:58.491 INFO kablam!   |                     ^^^^^
Oct 27 19:44:58.491 INFO kablam!   |
Oct 27 19:44:58.491 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 19:44:58.492 INFO kablam! 
Oct 27 19:44:58.664 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.51s
Oct 27 19:44:58.676 INFO kablam! su: No module specific data is present
Oct 27 19:44:59.563 INFO running `"docker" "rm" "-f" "3415dd717d531a99c5988c8ea1de99d9c37dae971493751c67208c803b20c79d"`
Oct 27 19:44:59.851 INFO blam! 3415dd717d531a99c5988c8ea1de99d9c37dae971493751c67208c803b20c79d