Dec 04 14:47:54.720 INFO checking macabu/headliner against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 14:47:54.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 14:47:55.263 INFO [stdout] 3f333a277a7b5bbda20b3edfc35e91143eae81bfb30be7e1a761b7f647404e9e
Dec 04 14:47:55.265 INFO running `"docker" "start" "-a" "3f333a277a7b5bbda20b3edfc35e91143eae81bfb30be7e1a761b7f647404e9e"`
Dec 04 14:47:57.393 INFO [stderr] usermod: no changes
Dec 04 14:47:57.544 INFO [stderr]     Checking serde v1.0.45
Dec 04 14:47:57.563 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 04 14:47:57.563 INFO [stderr]     Checking csv-core v0.1.4
Dec 04 14:47:57.563 INFO [stderr]     Checking uuid v0.6.3
Dec 04 14:47:57.563 INFO [stderr]    Compiling syn v0.13.5
Dec 04 14:47:57.563 INFO [stderr]     Checking os_type v2.0.0
Dec 04 14:48:00.341 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 04 14:48:01.775 INFO [stderr]     Checking rayon-core v1.4.0
Dec 04 14:48:04.644 INFO [stderr]     Checking rayon v1.0.1
Dec 04 14:48:09.335 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 04 14:48:13.457 INFO [stderr]    Compiling serde_derive v1.0.45
Dec 04 14:48:14.670 INFO [stderr]     Checking toml v0.4.6
Dec 04 14:48:14.670 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 04 14:48:23.531 INFO [stderr]     Checking human-panic v0.4.0
Dec 04 14:48:23.531 INFO [stderr]     Checking docopt v0.8.3
Dec 04 14:48:25.461 INFO [stderr]     Checking headliner v0.1.0 (/source)
Dec 04 14:48:27.187 INFO [stderr] warning: unused import: `super::*`
Dec 04 14:48:27.187 INFO [stderr]  --> src/test.rs:1:5
Dec 04 14:48:27.187 INFO [stderr]   |
Dec 04 14:48:27.187 INFO [stderr] 1 | use super::*;
Dec 04 14:48:27.187 INFO [stderr]   |     ^^^^^^^^
Dec 04 14:48:27.187 INFO [stderr]   |
Dec 04 14:48:27.187 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 14:48:27.187 INFO [stderr] 
Dec 04 14:48:27.187 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 04 14:48:27.187 INFO [stderr]  --> src/test.rs:2:5
Dec 04 14:48:27.187 INFO [stderr]   |
Dec 04 14:48:27.187 INFO [stderr] 2 | use std::path::PathBuf;
Dec 04 14:48:27.187 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 14:48:27.187 INFO [stderr] 
Dec 04 14:48:27.187 INFO [stderr] warning: unused imports: `File`, `remove_file`
Dec 04 14:48:27.187 INFO [stderr]  --> src/test.rs:3:15
Dec 04 14:48:27.187 INFO [stderr]   |
Dec 04 14:48:27.187 INFO [stderr] 3 | use std::fs::{File, remove_file};
Dec 04 14:48:27.187 INFO [stderr]   |               ^^^^  ^^^^^^^^^^^
Dec 04 14:48:27.187 INFO [stderr] 
Dec 04 14:48:27.187 INFO [stderr] warning: unused import: `std::io::Write`
Dec 04 14:48:27.187 INFO [stderr]  --> src/test.rs:4:5
Dec 04 14:48:27.187 INFO [stderr]   |
Dec 04 14:48:27.187 INFO [stderr] 4 | use std::io::Write;
Dec 04 14:48:27.187 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 04 14:48:27.187 INFO [stderr] 
Dec 04 14:48:27.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.41s
Dec 04 14:48:27.847 INFO [stderr] su: No module specific data is present
Dec 04 14:48:28.517 INFO running `"docker" "inspect" "3f333a277a7b5bbda20b3edfc35e91143eae81bfb30be7e1a761b7f647404e9e"`
Dec 04 14:48:28.747 INFO running `"docker" "rm" "-f" "3f333a277a7b5bbda20b3edfc35e91143eae81bfb30be7e1a761b7f647404e9e"`
Dec 04 14:48:29.056 INFO [stdout] 3f333a277a7b5bbda20b3edfc35e91143eae81bfb30be7e1a761b7f647404e9e