Dec 17 22:52:27.852 INFO checking intrepion/heroku-hello-rust-iron against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:52:27.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/intrepion/heroku-hello-rust-iron:/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 22:52:28.240 INFO [stdout] b8a311b84e856b04d29f0a7966c1f8c4b3c62c3fe282ea9bc780a06a72b2de81
Dec 17 22:52:28.246 INFO running `"docker" "start" "-a" "b8a311b84e856b04d29f0a7966c1f8c4b3c62c3fe282ea9bc780a06a72b2de81"`
Dec 17 22:52:29.799 INFO [stderr]     Checking hyper v0.10.0
Dec 17 22:52:32.979 INFO [stderr]     Checking iron v0.5.1
Dec 17 22:52:33.552 INFO [stderr]     Checking heroku-hello-rust-iron v0.1.0 (/opt/crater/workdir)
Dec 17 22:52:33.933 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
Dec 17 22:52:34.194 INFO running `"docker" "inspect" "b8a311b84e856b04d29f0a7966c1f8c4b3c62c3fe282ea9bc780a06a72b2de81"`
Dec 17 22:52:34.281 INFO running `"docker" "rm" "-f" "b8a311b84e856b04d29f0a7966c1f8c4b3c62c3fe282ea9bc780a06a72b2de81"`
Dec 17 22:52:34.370 INFO [stdout] b8a311b84e856b04d29f0a7966c1f8c4b3c62c3fe282ea9bc780a06a72b2de81