Dec 19 13:16:56.316 INFO checking macabu/headliner against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:16:56.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:16:56.926 INFO [stdout] 6157bc8f5a36d493650fe2e4aa93003d2decd06a1eb20ef6fcefaedd31dde6a2
Dec 19 13:16:56.928 INFO running `"docker" "start" "-a" "6157bc8f5a36d493650fe2e4aa93003d2decd06a1eb20ef6fcefaedd31dde6a2"`
Dec 19 13:16:59.297 INFO [stderr]     Checking serde v1.0.45
Dec 19 13:16:59.297 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 13:16:59.297 INFO [stderr]     Checking uuid v0.6.3
Dec 19 13:16:59.297 INFO [stderr]     Checking tempdir v0.3.7
Dec 19 13:16:59.297 INFO [stderr]    Compiling syn v0.13.5
Dec 19 13:16:59.316 INFO [stderr]     Checking os_type v2.0.0
Dec 19 13:17:08.076 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 19 13:17:11.169 INFO [stderr]    Compiling serde_derive v1.0.45
Dec 19 13:17:14.947 INFO [stderr]     Checking toml v0.4.6
Dec 19 13:17:14.959 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 13:17:22.322 INFO [stderr]     Checking human-panic v0.4.0
Dec 19 13:17:22.322 INFO [stderr]     Checking docopt v0.8.3
Dec 19 13:17:23.933 INFO [stderr]     Checking headliner v0.1.0 (/opt/crater/workdir)
Dec 19 13:17:25.288 INFO [stderr] warning: unused import: `super::*`
Dec 19 13:17:25.288 INFO [stderr]  --> src/test.rs:1:5
Dec 19 13:17:25.288 INFO [stderr]   |
Dec 19 13:17:25.288 INFO [stderr] 1 | use super::*;
Dec 19 13:17:25.288 INFO [stderr]   |     ^^^^^^^^
Dec 19 13:17:25.288 INFO [stderr]   |
Dec 19 13:17:25.288 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:17:25.288 INFO [stderr] 
Dec 19 13:17:25.288 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 19 13:17:25.288 INFO [stderr]  --> src/test.rs:2:5
Dec 19 13:17:25.288 INFO [stderr]   |
Dec 19 13:17:25.288 INFO [stderr] 2 | use std::path::PathBuf;
Dec 19 13:17:25.288 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 13:17:25.288 INFO [stderr] 
Dec 19 13:17:25.288 INFO [stderr] warning: unused imports: `File`, `remove_file`
Dec 19 13:17:25.288 INFO [stderr]  --> src/test.rs:3:15
Dec 19 13:17:25.288 INFO [stderr]   |
Dec 19 13:17:25.288 INFO [stderr] 3 | use std::fs::{File, remove_file};
Dec 19 13:17:25.288 INFO [stderr]   |               ^^^^  ^^^^^^^^^^^
Dec 19 13:17:25.288 INFO [stderr] 
Dec 19 13:17:25.288 INFO [stderr] warning: unused import: `std::io::Write`
Dec 19 13:17:25.288 INFO [stderr]  --> src/test.rs:4:5
Dec 19 13:17:25.288 INFO [stderr]   |
Dec 19 13:17:25.288 INFO [stderr] 4 | use std::io::Write;
Dec 19 13:17:25.288 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 13:17:25.288 INFO [stderr] 
Dec 19 13:17:25.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.78s
Dec 19 13:17:27.343 INFO running `"docker" "inspect" "6157bc8f5a36d493650fe2e4aa93003d2decd06a1eb20ef6fcefaedd31dde6a2"`
Dec 19 13:17:27.656 INFO running `"docker" "rm" "-f" "6157bc8f5a36d493650fe2e4aa93003d2decd06a1eb20ef6fcefaedd31dde6a2"`
Dec 19 13:17:27.998 INFO [stdout] 6157bc8f5a36d493650fe2e4aa93003d2decd06a1eb20ef6fcefaedd31dde6a2