Dec 18 09:09:51.503 INFO checking wtfis-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:09:51.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/wtfis/0.1.0:/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 09:09:52.074 INFO [stdout] f7b298d0f50837eb9620f61cffd268496956bea6c2fc0a967f5e8a83a5e5a4f8
Dec 18 09:09:52.077 INFO running `"docker" "start" "-a" "f7b298d0f50837eb9620f61cffd268496956bea6c2fc0a967f5e8a83a5e5a4f8"`
Dec 18 09:09:54.521 INFO [stderr]     Checking wtfis v0.1.0 (/opt/crater/workdir)
Dec 18 09:09:56.512 INFO [stderr] warning: unused import: `Error`
Dec 18 09:09:56.512 INFO [stderr]  --> src/main.rs:5:25
Dec 18 09:09:56.512 INFO [stderr]   |
Dec 18 09:09:56.512 INFO [stderr] 5 | use serde_json::{Value, Error};
Dec 18 09:09:56.512 INFO [stderr]   |                         ^^^^^
Dec 18 09:09:56.512 INFO [stderr]   |
Dec 18 09:09:56.512 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 09:09:56.512 INFO [stderr] 
Dec 18 09:09:56.560 INFO [stderr] warning: unused import: `Error`
Dec 18 09:09:56.560 INFO [stderr]  --> src/main.rs:5:25
Dec 18 09:09:56.560 INFO [stderr]   |
Dec 18 09:09:56.560 INFO [stderr] 5 | use serde_json::{Value, Error};
Dec 18 09:09:56.560 INFO [stderr]   |                         ^^^^^
Dec 18 09:09:56.560 INFO [stderr]   |
Dec 18 09:09:56.560 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 09:09:56.560 INFO [stderr] 
Dec 18 09:09:56.793 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
Dec 18 09:09:57.634 INFO running `"docker" "inspect" "f7b298d0f50837eb9620f61cffd268496956bea6c2fc0a967f5e8a83a5e5a4f8"`
Dec 18 09:09:57.792 INFO running `"docker" "rm" "-f" "f7b298d0f50837eb9620f61cffd268496956bea6c2fc0a967f5e8a83a5e5a4f8"`
Dec 18 09:09:58.072 INFO [stdout] f7b298d0f50837eb9620f61cffd268496956bea6c2fc0a967f5e8a83a5e5a4f8