Dec 19 19:04:38.505 INFO checking chris007de/flex against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 19:04:38.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chris007de/flex:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 19:04:38.694 INFO [stdout] 8fdce9ba92743a80a9d085c9bb33f13b88e497afcaad506872d7c6ce7a2043ae Dec 19 19:04:38.696 INFO running `"docker" "start" "-a" "8fdce9ba92743a80a9d085c9bb33f13b88e497afcaad506872d7c6ce7a2043ae"` Dec 19 19:04:39.908 INFO [stderr] Checking serde v1.0.20 Dec 19 19:04:39.908 INFO [stderr] Checking bit_reverse v0.1.7 Dec 19 19:04:39.916 INFO [stderr] Checking chrono v0.4.0 Dec 19 19:04:47.556 INFO [stderr] Checking serde_json v1.0.6 Dec 19 19:04:49.324 INFO [stderr] Checking flex v0.1.0 (/opt/crater/workdir) Dec 19 19:04:50.716 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.92s Dec 19 19:04:51.156 INFO running `"docker" "inspect" "8fdce9ba92743a80a9d085c9bb33f13b88e497afcaad506872d7c6ce7a2043ae"` Dec 19 19:04:51.238 INFO running `"docker" "rm" "-f" "8fdce9ba92743a80a9d085c9bb33f13b88e497afcaad506872d7c6ce7a2043ae"` Dec 19 19:04:51.321 INFO [stdout] 8fdce9ba92743a80a9d085c9bb33f13b88e497afcaad506872d7c6ce7a2043ae