Dec 17 20:18:31.532 INFO checking macabu/headliner against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:18:31.532 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/macabu/headliner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:18:31.736 INFO [stdout] c6c05913aa8cb75e86eaf26b097818df1d29c4ad27d5758ebb1053d92a252371
Dec 17 20:18:31.738 INFO running `"docker" "start" "-a" "c6c05913aa8cb75e86eaf26b097818df1d29c4ad27d5758ebb1053d92a252371"`
Dec 17 20:18:32.658 INFO [stderr]     Checking toml v0.4.6
Dec 17 20:18:32.659 INFO [stderr]     Checking csv-core v0.1.4
Dec 17 20:18:32.659 INFO [stderr]    Compiling syn v0.13.5
Dec 17 20:18:32.665 INFO [stderr]     Checking os_type v2.0.0
Dec 17 20:18:33.938 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 17 20:18:41.126 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 17 20:18:42.715 INFO [stderr]    Compiling serde_derive v1.0.45
Dec 17 20:18:51.992 INFO [stderr]     Checking docopt v0.8.3
Dec 17 20:18:51.992 INFO [stderr]     Checking human-panic v0.4.0
Dec 17 20:18:53.543 INFO [stderr]     Checking headliner v0.1.0 (/opt/crater/workdir)
Dec 17 20:18:55.592 INFO [stderr] warning: unused import: `super::*`
Dec 17 20:18:55.592 INFO [stderr]  --> src/test.rs:1:5
Dec 17 20:18:55.592 INFO [stderr]   |
Dec 17 20:18:55.592 INFO [stderr] 1 | use super::*;
Dec 17 20:18:55.592 INFO [stderr]   |     ^^^^^^^^
Dec 17 20:18:55.592 INFO [stderr]   |
Dec 17 20:18:55.592 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:18:55.592 INFO [stderr] 
Dec 17 20:18:55.592 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 17 20:18:55.592 INFO [stderr]  --> src/test.rs:2:5
Dec 17 20:18:55.592 INFO [stderr]   |
Dec 17 20:18:55.592 INFO [stderr] 2 | use std::path::PathBuf;
Dec 17 20:18:55.592 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 20:18:55.592 INFO [stderr] 
Dec 17 20:18:55.592 INFO [stderr] warning: unused imports: `File`, `remove_file`
Dec 17 20:18:55.592 INFO [stderr]  --> src/test.rs:3:15
Dec 17 20:18:55.592 INFO [stderr]   |
Dec 17 20:18:55.592 INFO [stderr] 3 | use std::fs::{File, remove_file};
Dec 17 20:18:55.592 INFO [stderr]   |               ^^^^  ^^^^^^^^^^^
Dec 17 20:18:55.593 INFO [stderr] 
Dec 17 20:18:55.593 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 20:18:55.593 INFO [stderr]  --> src/test.rs:4:5
Dec 17 20:18:55.593 INFO [stderr]   |
Dec 17 20:18:55.593 INFO [stderr] 4 | use std::io::Write;
Dec 17 20:18:55.593 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 20:18:55.593 INFO [stderr] 
Dec 17 20:18:56.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.81s
Dec 17 20:18:57.515 INFO running `"docker" "inspect" "c6c05913aa8cb75e86eaf26b097818df1d29c4ad27d5758ebb1053d92a252371"`
Dec 17 20:18:57.884 INFO running `"docker" "rm" "-f" "c6c05913aa8cb75e86eaf26b097818df1d29c4ad27d5758ebb1053d92a252371"`
Dec 17 20:18:58.212 INFO [stdout] c6c05913aa8cb75e86eaf26b097818df1d29c4ad27d5758ebb1053d92a252371