Dec 18 10:46:50.201 INFO checking stl-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:46:50.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/stl/0.2.0:/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 10:46:50.608 INFO [stdout] 5c49025026786703b565b259203fd4038c6dbdae871de8e94d44ef0341bc390c
Dec 18 10:46:50.612 INFO running `"docker" "start" "-a" "5c49025026786703b565b259203fd4038c6dbdae871de8e94d44ef0341bc390c"`
Dec 18 10:46:51.524 INFO [stderr]     Checking stl v0.2.0 (/opt/crater/workdir)
Dec 18 10:46:51.887 INFO [stderr] warning: unused import: `Write`
Dec 18 10:46:51.887 INFO [stderr]  --> src/lib.rs:3:23
Dec 18 10:46:51.887 INFO [stderr]   |
Dec 18 10:46:51.887 INFO [stderr] 3 | use std::io::{Result, Write, ErrorKind, Error};
Dec 18 10:46:51.887 INFO [stderr]   |                       ^^^^^
Dec 18 10:46:51.887 INFO [stderr]   |
Dec 18 10:46:51.887 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:46:51.887 INFO [stderr] 
Dec 18 10:46:51.945 INFO [stderr] warning: unused import: `Write`
Dec 18 10:46:51.945 INFO [stderr]  --> src/lib.rs:3:23
Dec 18 10:46:51.945 INFO [stderr]   |
Dec 18 10:46:51.945 INFO [stderr] 3 | use std::io::{Result, Write, ErrorKind, Error};
Dec 18 10:46:51.945 INFO [stderr]   |                       ^^^^^
Dec 18 10:46:51.945 INFO [stderr]   |
Dec 18 10:46:51.946 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:46:51.946 INFO [stderr] 
Dec 18 10:46:52.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 18 10:46:52.330 INFO running `"docker" "inspect" "5c49025026786703b565b259203fd4038c6dbdae871de8e94d44ef0341bc390c"`
Dec 18 10:46:52.452 INFO running `"docker" "rm" "-f" "5c49025026786703b565b259203fd4038c6dbdae871de8e94d44ef0341bc390c"`
Dec 18 10:46:52.621 INFO [stdout] 5c49025026786703b565b259203fd4038c6dbdae871de8e94d44ef0341bc390c