Dec 17 17:18:24.545 INFO checking rajegannathan/toy-browser against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:18:24.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rajegannathan/toy-browser:/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 17 17:18:24.964 INFO [stdout] f6312e7dccb2c16b53e316714e9c3c31653ebe1b212b97eb532743ab33a06b70
Dec 17 17:18:24.970 INFO running `"docker" "start" "-a" "f6312e7dccb2c16b53e316714e9c3c31653ebe1b212b97eb532743ab33a06b70"`
Dec 17 17:18:26.456 INFO [stderr] warning: unused manifest key: package.tags
Dec 17 17:18:26.470 INFO [stderr]     Checking toy_browser v0.0.1 (/opt/crater/workdir)
Dec 17 17:18:26.872 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 17 17:18:28.022 INFO running `"docker" "inspect" "f6312e7dccb2c16b53e316714e9c3c31653ebe1b212b97eb532743ab33a06b70"`
Dec 17 17:18:28.420 INFO running `"docker" "rm" "-f" "f6312e7dccb2c16b53e316714e9c3c31653ebe1b212b97eb532743ab33a06b70"`
Dec 17 17:18:28.748 INFO [stdout] f6312e7dccb2c16b53e316714e9c3c31653ebe1b212b97eb532743ab33a06b70