Dec 19 17:10:14.959 INFO checking ex0dus-0x/treeman against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:10:14.959 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ex0dus-0x/treeman:/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 17:10:15.412 INFO [stdout] 8bf5b14d43b239cd8efbee87d077b5352a06553fa79a102129aa3adadfcba41a
Dec 19 17:10:15.415 INFO running `"docker" "start" "-a" "8bf5b14d43b239cd8efbee87d077b5352a06553fa79a102129aa3adadfcba41a"`
Dec 19 17:10:17.084 INFO [stderr]    Compiling treeman v0.1.0 (/opt/crater/workdir)
Dec 19 17:10:17.695 INFO [stderr] warning: src/c/tree.c:11:1: warning: useless storage class specifier in empty declaration
Dec 19 17:10:17.695 INFO [stderr] warning:  };
Dec 19 17:10:17.695 INFO [stderr] warning:  ^
Dec 19 17:10:17.873 INFO [stderr] warning: `extern` block uses type `str` which is not FFI-safe: string slices have no C equivalent
Dec 19 17:10:17.873 INFO [stderr]   --> src/main.rs:13:32
Dec 19 17:10:17.873 INFO [stderr]    |
Dec 19 17:10:17.873 INFO [stderr] 13 |         fn treecall(directory: &str);
Dec 19 17:10:17.874 INFO [stderr]    |                                ^^^^
Dec 19 17:10:17.874 INFO [stderr] warning: `extern` block uses type `str` which is not FFI-safe: string slices have no C equivalent
Dec 19 17:10:17.874 INFO [stderr]   --> src/main.rs:13:32
Dec 19 17:10:17.874 INFO [stderr]    |
Dec 19 17:10:17.874 INFO [stderr] 13 |         fn treecall(directory: &str);
Dec 19 17:10:17.874 INFO [stderr]    |                                ^^^^
Dec 19 17:10:17.874 INFO [stderr]    |
Dec 19 17:10:17.874 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 19 17:10:17.874 INFO [stderr]    = help: consider using `*const u8` and a length instead
Dec 19 17:10:17.874 INFO [stderr] 
Dec 19 17:10:17.874 INFO [stderr]    |
Dec 19 17:10:17.874 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 19 17:10:17.874 INFO [stderr]    = help: consider using `*const u8` and a length instead
Dec 19 17:10:17.876 INFO [stderr] 
Dec 19 17:10:17.904 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 19 17:10:18.270 INFO running `"docker" "inspect" "8bf5b14d43b239cd8efbee87d077b5352a06553fa79a102129aa3adadfcba41a"`
Dec 19 17:10:18.359 INFO running `"docker" "rm" "-f" "8bf5b14d43b239cd8efbee87d077b5352a06553fa79a102129aa3adadfcba41a"`
Dec 19 17:10:18.500 INFO [stdout] 8bf5b14d43b239cd8efbee87d077b5352a06553fa79a102129aa3adadfcba41a