Dec 19 19:58:04.904 INFO checking benbrunton/nmm_lib against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:58:04.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/benbrunton/nmm_lib:/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 19:58:05.118 INFO [stdout] 8f01d8bc77c07817c00a2cdb81b9f51c37f115f8508c5ba6a32c00d4d2f8c1d3
Dec 19 19:58:05.120 INFO running `"docker" "start" "-a" "8f01d8bc77c07817c00a2cdb81b9f51c37f115f8508c5ba6a32c00d4d2f8c1d3"`
Dec 19 19:58:05.677 INFO [stderr]     Checking serde v1.0.34
Dec 19 19:58:14.148 INFO [stderr]     Checking serde_json v1.0.13
Dec 19 19:58:16.112 INFO [stderr]     Checking nmm_lib v0.1.0 (/opt/crater/workdir)
Dec 19 19:58:16.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
Dec 19 19:58:17.608 INFO running `"docker" "inspect" "8f01d8bc77c07817c00a2cdb81b9f51c37f115f8508c5ba6a32c00d4d2f8c1d3"`
Dec 19 19:58:17.952 INFO running `"docker" "rm" "-f" "8f01d8bc77c07817c00a2cdb81b9f51c37f115f8508c5ba6a32c00d4d2f8c1d3"`
Dec 19 19:58:18.300 INFO [stdout] 8f01d8bc77c07817c00a2cdb81b9f51c37f115f8508c5ba6a32c00d4d2f8c1d3