Dec 19 18:56:21.131 INFO checking clonejo/travel_ura against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:56:21.131 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/clonejo/travel_ura:/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 18:56:21.599 INFO [stdout] a6ca55095a9150c6309384d83fbaa2dcbfeb66db23d3ee0e0903c0df23a8c38f
Dec 19 18:56:21.608 INFO running `"docker" "start" "-a" "a6ca55095a9150c6309384d83fbaa2dcbfeb66db23d3ee0e0903c0df23a8c38f"`
Dec 19 18:56:23.577 INFO [stderr]     Checking serde v0.7.15
Dec 19 18:56:27.365 INFO [stderr]     Checking serde_json v0.7.4
Dec 19 18:56:28.378 INFO [stderr]     Checking travel_ura v0.1.0 (/opt/crater/workdir)
Dec 19 18:56:29.677 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
Dec 19 18:56:30.964 INFO running `"docker" "inspect" "a6ca55095a9150c6309384d83fbaa2dcbfeb66db23d3ee0e0903c0df23a8c38f"`
Dec 19 18:56:31.342 INFO running `"docker" "rm" "-f" "a6ca55095a9150c6309384d83fbaa2dcbfeb66db23d3ee0e0903c0df23a8c38f"`
Dec 19 18:56:31.668 INFO [stdout] a6ca55095a9150c6309384d83fbaa2dcbfeb66db23d3ee0e0903c0df23a8c38f