Dec 19 09:39:13.756 INFO checking rustyhorde/nailgun against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:39:13.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/rustyhorde/nailgun:/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 09:39:14.204 INFO [stdout] eefa8045152de23fe8a89300aab5fb673001365b1921b2f80e0add50f73c760b
Dec 19 09:39:14.206 INFO running `"docker" "start" "-a" "eefa8045152de23fe8a89300aab5fb673001365b1921b2f80e0add50f73c760b"`
Dec 19 09:39:15.692 INFO [stderr] error: failed to update path override `/opt/crater/workdir/mio` (defined in `/opt/crater/workdir/.cargo/config`)
Dec 19 09:39:15.692 INFO [stderr] 
Dec 19 09:39:15.692 INFO [stderr] Caused by:
Dec 19 09:39:15.692 INFO [stderr]   Could not find Cargo.toml in `/opt/crater/workdir/mio`
Dec 19 09:39:16.760 INFO running `"docker" "inspect" "eefa8045152de23fe8a89300aab5fb673001365b1921b2f80e0add50f73c760b"`
Dec 19 09:39:17.084 INFO running `"docker" "rm" "-f" "eefa8045152de23fe8a89300aab5fb673001365b1921b2f80e0add50f73c760b"`
Dec 19 09:39:17.484 INFO [stdout] eefa8045152de23fe8a89300aab5fb673001365b1921b2f80e0add50f73c760b