Dec 19 11:31:49.165 INFO checking ojii/blackfast against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 11:31:49.166 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/ojii/blackfast:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 11:31:49.612 INFO [stdout] b6acc718b59d72d6ec46e89cc952c228a5dcb8bbd2f2ee2de4f86c57cb8f499d
Dec 19 11:31:49.616 INFO running `"docker" "start" "-a" "b6acc718b59d72d6ec46e89cc952c228a5dcb8bbd2f2ee2de4f86c57cb8f499d"`
Dec 19 11:31:50.868 INFO [stderr]     Checking appdirs v0.2.0
Dec 19 11:31:50.868 INFO [stderr]     Checking serde_json v1.0.20
Dec 19 11:31:52.720 INFO [stderr]     Checking blackfast v18.6.2 (/opt/crater/workdir)
Dec 19 11:31:52.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 19 11:31:53.778 INFO running `"docker" "inspect" "b6acc718b59d72d6ec46e89cc952c228a5dcb8bbd2f2ee2de4f86c57cb8f499d"`
Dec 19 11:31:54.138 INFO running `"docker" "rm" "-f" "b6acc718b59d72d6ec46e89cc952c228a5dcb8bbd2f2ee2de4f86c57cb8f499d"`
Dec 19 11:31:54.476 INFO [stdout] b6acc718b59d72d6ec46e89cc952c228a5dcb8bbd2f2ee2de4f86c57cb8f499d