Dec 18 08:14:16.913 INFO checking CJP10/tail-reader against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:14:16.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/CJP10/tail-reader:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:14:17.456 INFO [stdout] 68fcfaa5b29942fec0b25a04bab7b5d65aef0a5bdf31ebbaf1d245c741bf3ca2
Dec 18 08:14:17.458 INFO running `"docker" "start" "-a" "68fcfaa5b29942fec0b25a04bab7b5d65aef0a5bdf31ebbaf1d245c741bf3ca2"`
Dec 18 08:14:19.651 INFO [stderr]     Checking owning_ref v0.2.4
Dec 18 08:14:19.713 INFO [stderr]     Checking tokio-reactor v0.1.5
Dec 18 08:14:19.714 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 18 08:14:19.715 INFO [stderr]     Checking pretty_env_logger v0.2.4
Dec 18 08:14:20.619 INFO [stderr]     Checking parking_lot v0.3.8
Dec 18 08:14:22.690 INFO [stderr]     Checking chashmap v2.2.0
Dec 18 08:14:23.166 INFO [stderr]     Checking inotify v0.6.1
Dec 18 08:14:24.780 INFO [stderr]     Checking notify v4.0.6
Dec 18 08:14:25.984 INFO [stderr]     Checking tail-reader v2.1.3 (/opt/crater/workdir)
Dec 18 08:14:26.996 INFO [stderr] warning: unused import: `notify::op`
Dec 18 08:14:26.996 INFO [stderr]  --> src/tail_reader.rs:5:5
Dec 18 08:14:26.996 INFO [stderr]   |
Dec 18 08:14:26.996 INFO [stderr] 5 | use notify::op;
Dec 18 08:14:26.996 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 08:14:26.996 INFO [stderr]   |
Dec 18 08:14:26.996 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:14:26.996 INFO [stderr] 
Dec 18 08:14:27.608 INFO [stderr] warning: unused import: `notify::op`
Dec 18 08:14:27.608 INFO [stderr]  --> src/tail_reader.rs:5:5
Dec 18 08:14:27.608 INFO [stderr]   |
Dec 18 08:14:27.608 INFO [stderr] 5 | use notify::op;
Dec 18 08:14:27.608 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 08:14:27.608 INFO [stderr]   |
Dec 18 08:14:27.608 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:14:27.608 INFO [stderr] 
Dec 18 08:14:27.612 INFO [stderr] warning: unused import: `self::tail_reader::TailReader`
Dec 18 08:14:27.612 INFO [stderr]   --> src/lib.rs:19:5
Dec 18 08:14:27.612 INFO [stderr]    |
Dec 18 08:14:27.612 INFO [stderr] 19 | use self::tail_reader::TailReader;
Dec 18 08:14:27.612 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:14:27.612 INFO [stderr] 
Dec 18 08:14:27.612 INFO [stderr] warning: unused import: `std::env`
Dec 18 08:14:27.612 INFO [stderr]   --> src/lib.rs:20:5
Dec 18 08:14:27.612 INFO [stderr]    |
Dec 18 08:14:27.612 INFO [stderr] 20 | use std::env;
Dec 18 08:14:27.612 INFO [stderr]    |     ^^^^^^^^
Dec 18 08:14:27.612 INFO [stderr] 
Dec 18 08:14:27.808 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
Dec 18 08:14:28.933 INFO running `"docker" "inspect" "68fcfaa5b29942fec0b25a04bab7b5d65aef0a5bdf31ebbaf1d245c741bf3ca2"`
Dec 18 08:14:29.290 INFO running `"docker" "rm" "-f" "68fcfaa5b29942fec0b25a04bab7b5d65aef0a5bdf31ebbaf1d245c741bf3ca2"`
Dec 18 08:14:29.693 INFO [stdout] 68fcfaa5b29942fec0b25a04bab7b5d65aef0a5bdf31ebbaf1d245c741bf3ca2