Dec 19 19:47:17.105 INFO checking blt/fd_test against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:47:17.106 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/blt/fd_test:/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 19:47:17.484 INFO [stdout] 5e1c0e4b1a306db12c6dc2032f23a93d941511fe69d025bc8f5f589f458aa89d
Dec 19 19:47:17.488 INFO running `"docker" "start" "-a" "5e1c0e4b1a306db12c6dc2032f23a93d941511fe69d025bc8f5f589f458aa89d"`
Dec 19 19:47:18.760 INFO [stderr]     Checking serde v1.0.12
Dec 19 19:47:25.841 INFO [stderr]     Checking bincode v0.8.0
Dec 19 19:47:26.564 INFO [stderr]     Checking hopper v0.3.1
Dec 19 19:47:27.020 INFO [stderr]     Checking fd_test v0.1.0 (/opt/crater/workdir)
Dec 19 19:47:28.008 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
Dec 19 19:47:28.843 INFO running `"docker" "inspect" "5e1c0e4b1a306db12c6dc2032f23a93d941511fe69d025bc8f5f589f458aa89d"`
Dec 19 19:47:29.234 INFO running `"docker" "rm" "-f" "5e1c0e4b1a306db12c6dc2032f23a93d941511fe69d025bc8f5f589f458aa89d"`
Dec 19 19:47:29.611 INFO [stdout] 5e1c0e4b1a306db12c6dc2032f23a93d941511fe69d025bc8f5f589f458aa89d