Dec 19 13:06:46.774 INFO checking marshallpierce/base64-serde against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:06:46.774 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/marshallpierce/base64-serde:/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 13:06:47.020 INFO [stdout] 0645791c65283dcf750426eb8b820c0784e3f86c9b708de2771014bc3b005244
Dec 19 13:06:47.026 INFO running `"docker" "start" "-a" "0645791c65283dcf750426eb8b820c0784e3f86c9b708de2771014bc3b005244"`
Dec 19 13:06:47.621 INFO [stderr]     Checking serde v1.0.16
Dec 19 13:06:47.621 INFO [stderr]     Checking base64 v0.9.0
Dec 19 13:06:47.621 INFO [stderr]    Compiling serde_derive v1.0.16
Dec 19 13:06:56.480 INFO [stderr]     Checking base64-serde v0.3.0 (/opt/crater/workdir)
Dec 19 13:06:56.480 INFO [stderr]     Checking serde_json v1.0.4
Dec 19 13:06:59.368 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.76s
Dec 19 13:07:00.228 INFO running `"docker" "inspect" "0645791c65283dcf750426eb8b820c0784e3f86c9b708de2771014bc3b005244"`
Dec 19 13:07:00.468 INFO running `"docker" "rm" "-f" "0645791c65283dcf750426eb8b820c0784e3f86c9b708de2771014bc3b005244"`
Dec 19 13:07:00.832 INFO [stdout] 0645791c65283dcf750426eb8b820c0784e3f86c9b708de2771014bc3b005244