Dec 17 16:12:44.501 INFO checking saik0/rust_boggle_solver against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:12:44.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/saik0/rust_boggle_solver:/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 16:12:44.944 INFO [stdout] b54c93d8608a8be7a58665cf3bec5a30a212675f2982f6f3d457bd22d174eb41
Dec 17 16:12:44.950 INFO running `"docker" "start" "-a" "b54c93d8608a8be7a58665cf3bec5a30a212675f2982f6f3d457bd22d174eb41"`
Dec 17 16:12:46.448 INFO [stderr]     Checking rayon v0.6.0
Dec 17 16:12:48.202 INFO [stderr]     Checking rust_boggle_solver v0.1.0 (/opt/crater/workdir)
Dec 17 16:12:49.513 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
Dec 17 16:12:50.524 INFO running `"docker" "inspect" "b54c93d8608a8be7a58665cf3bec5a30a212675f2982f6f3d457bd22d174eb41"`
Dec 17 16:12:50.870 INFO running `"docker" "rm" "-f" "b54c93d8608a8be7a58665cf3bec5a30a212675f2982f6f3d457bd22d174eb41"`
Dec 17 16:12:51.192 INFO [stdout] b54c93d8608a8be7a58665cf3bec5a30a212675f2982f6f3d457bd22d174eb41