Dec 11 14:20:55.773 INFO checking macabu/headliner against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 14:20:55.774 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 14:20:56.244 INFO [stdout] 8a397bfe33f62069da0301e7a5a5ecbf74b72da816ad2077791a511ce935af4d
Dec 11 14:20:56.252 INFO running `"docker" "start" "-a" "8a397bfe33f62069da0301e7a5a5ecbf74b72da816ad2077791a511ce935af4d"`
Dec 11 14:20:57.948 INFO [stderr] usermod: no changes
Dec 11 14:20:58.252 INFO [stderr]     Checking toml v0.4.6
Dec 11 14:20:58.252 INFO [stderr]     Checking csv-core v0.1.4
Dec 11 14:20:58.252 INFO [stderr]     Checking tempdir v0.3.7
Dec 11 14:20:58.252 INFO [stderr]    Compiling syn v0.13.5
Dec 11 14:20:58.309 INFO [stderr]     Checking rayon-core v1.4.0
Dec 11 14:20:58.310 INFO [stderr]     Checking os_type v2.0.0
Dec 11 14:21:01.042 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 11 14:21:02.570 INFO [stderr]     Checking rayon v1.0.1
Dec 11 14:21:08.844 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 11 14:21:11.624 INFO [stderr]    Compiling serde_derive v1.0.45
Dec 11 14:21:18.573 INFO [stderr]     Checking docopt v0.8.3
Dec 11 14:21:18.573 INFO [stderr]     Checking human-panic v0.4.0
Dec 11 14:21:20.248 INFO [stderr]     Checking headliner v0.1.0 (/source)
Dec 11 14:21:23.157 INFO [stderr] warning: unused import: `super::*`
Dec 11 14:21:23.157 INFO [stderr]  --> src/test.rs:1:5
Dec 11 14:21:23.157 INFO [stderr]   |
Dec 11 14:21:23.157 INFO [stderr] 1 | use super::*;
Dec 11 14:21:23.157 INFO [stderr]   |     ^^^^^^^^
Dec 11 14:21:23.157 INFO [stderr]   |
Dec 11 14:21:23.157 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:21:23.157 INFO [stderr] 
Dec 11 14:21:23.157 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 11 14:21:23.157 INFO [stderr]  --> src/test.rs:2:5
Dec 11 14:21:23.157 INFO [stderr]   |
Dec 11 14:21:23.157 INFO [stderr] 2 | use std::path::PathBuf;
Dec 11 14:21:23.157 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 14:21:23.157 INFO [stderr] 
Dec 11 14:21:23.157 INFO [stderr] warning: unused imports: `File`, `remove_file`
Dec 11 14:21:23.157 INFO [stderr]  --> src/test.rs:3:15
Dec 11 14:21:23.157 INFO [stderr]   |
Dec 11 14:21:23.157 INFO [stderr] 3 | use std::fs::{File, remove_file};
Dec 11 14:21:23.157 INFO [stderr]   |               ^^^^  ^^^^^^^^^^^
Dec 11 14:21:23.157 INFO [stderr] 
Dec 11 14:21:23.157 INFO [stderr] warning: unused import: `std::io::Write`
Dec 11 14:21:23.157 INFO [stderr]  --> src/test.rs:4:5
Dec 11 14:21:23.157 INFO [stderr]   |
Dec 11 14:21:23.158 INFO [stderr] 4 | use std::io::Write;
Dec 11 14:21:23.158 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 14:21:23.158 INFO [stderr] 
Dec 11 14:21:23.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.62s
Dec 11 14:21:23.595 INFO [stderr] su: No module specific data is present
Dec 11 14:21:24.247 INFO running `"docker" "inspect" "8a397bfe33f62069da0301e7a5a5ecbf74b72da816ad2077791a511ce935af4d"`
Dec 11 14:21:24.656 INFO running `"docker" "rm" "-f" "8a397bfe33f62069da0301e7a5a5ecbf74b72da816ad2077791a511ce935af4d"`
Dec 11 14:21:24.997 INFO [stdout] 8a397bfe33f62069da0301e7a5a5ecbf74b72da816ad2077791a511ce935af4d