Dec 19 13:20:59.716 INFO checking luxn/flut against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:20:59.716 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/luxn/flut:/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 13:21:00.152 INFO [stdout] b62a84bd77a9ffdf7a64dc7c9b2e7f6914ada6a85d3287ed8b0b247092db7faf
Dec 19 13:21:00.154 INFO running `"docker" "start" "-a" "b62a84bd77a9ffdf7a64dc7c9b2e7f6914ada6a85d3287ed8b0b247092db7faf"`
Dec 19 13:21:02.820 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 19 13:21:02.820 INFO [stderr]     Checking chrono v0.4.6
Dec 19 13:21:05.392 INFO [stderr]     Checking flut v0.1.0 (/opt/crater/workdir)
Dec 19 13:21:05.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Dec 19 13:21:06.844 INFO running `"docker" "inspect" "b62a84bd77a9ffdf7a64dc7c9b2e7f6914ada6a85d3287ed8b0b247092db7faf"`
Dec 19 13:21:07.076 INFO running `"docker" "rm" "-f" "b62a84bd77a9ffdf7a64dc7c9b2e7f6914ada6a85d3287ed8b0b247092db7faf"`
Dec 19 13:21:07.373 INFO [stdout] b62a84bd77a9ffdf7a64dc7c9b2e7f6914ada6a85d3287ed8b0b247092db7faf