Dec 17 16:24:20.336 INFO checking rustyhorde/nailgun against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:24:20.336 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/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:24:20.760 INFO [stdout] 502f6a8c6f3ac61be546f66e07488c295405af7c7d3aaaaa98aa37d1ab1dd143
Dec 17 16:24:20.766 INFO running `"docker" "start" "-a" "502f6a8c6f3ac61be546f66e07488c295405af7c7d3aaaaa98aa37d1ab1dd143"`
Dec 17 16:24:22.432 INFO [stderr] error: failed to update path override `/opt/crater/workdir/mio` (defined in `/opt/crater/workdir/.cargo/config`)
Dec 17 16:24:22.432 INFO [stderr] 
Dec 17 16:24:22.432 INFO [stderr] Caused by:
Dec 17 16:24:22.432 INFO [stderr]   Could not find Cargo.toml in `/opt/crater/workdir/mio`
Dec 17 16:24:23.363 INFO running `"docker" "inspect" "502f6a8c6f3ac61be546f66e07488c295405af7c7d3aaaaa98aa37d1ab1dd143"`
Dec 17 16:24:23.794 INFO running `"docker" "rm" "-f" "502f6a8c6f3ac61be546f66e07488c295405af7c7d3aaaaa98aa37d1ab1dd143"`
Dec 17 16:24:24.108 INFO [stdout] 502f6a8c6f3ac61be546f66e07488c295405af7c7d3aaaaa98aa37d1ab1dd143