Dec 19 15:41:44.614 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-generics-gen_fn against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:41:44.614 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/intrepion/example-x-rust-x-rustbyexample-com-x-generics-gen_fn:/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 15:41:44.792 INFO [stdout] 5e81a5c82c7b0620398ff3ad8d8c683f8420a894eeae11626d14289a2a2b4cf5
Dec 19 15:41:44.794 INFO running `"docker" "start" "-a" "5e81a5c82c7b0620398ff3ad8d8c683f8420a894eeae11626d14289a2a2b4cf5"`
Dec 19 15:41:45.480 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-generics-gen_fn v0.1.0 (/opt/crater/workdir)
Dec 19 15:41:45.737 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 19 15:41:45.941 INFO running `"docker" "inspect" "5e81a5c82c7b0620398ff3ad8d8c683f8420a894eeae11626d14289a2a2b4cf5"`
Dec 19 15:41:46.039 INFO running `"docker" "rm" "-f" "5e81a5c82c7b0620398ff3ad8d8c683f8420a894eeae11626d14289a2a2b4cf5"`
Dec 19 15:41:46.120 INFO [stdout] 5e81a5c82c7b0620398ff3ad8d8c683f8420a894eeae11626d14289a2a2b4cf5