Dec 18 00:28:31.920 INFO checking ex0dus-0x/treeman against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:28:31.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:28:32.122 INFO [stdout] 64ecce33d7ac23c0f9ac9fb33054020d14429ab59e5094ca684e45867d06a30f
Dec 18 00:28:32.125 INFO running `"docker" "start" "-a" "64ecce33d7ac23c0f9ac9fb33054020d14429ab59e5094ca684e45867d06a30f"`
Dec 18 00:28:33.362 INFO [stderr]    Compiling treeman v0.1.0 (/opt/crater/workdir)
Dec 18 00:28:34.176 INFO [stderr] warning: src/c/tree.c:11:1: warning: useless storage class specifier in empty declaration
Dec 18 00:28:34.176 INFO [stderr] warning:  };
Dec 18 00:28:34.176 INFO [stderr] warning:  ^
Dec 18 00:28:34.346 INFO [stderr] warning: `extern` block uses type `str` which is not FFI-safe: string slices have no C equivalent
Dec 18 00:28:34.346 INFO [stderr]   --> src/main.rs:13:32
Dec 18 00:28:34.346 INFO [stderr]    |
Dec 18 00:28:34.346 INFO [stderr] 13 |         fn treecall(directory: &str);
Dec 18 00:28:34.346 INFO [stderr]    |                                ^^^^
Dec 18 00:28:34.346 INFO [stderr]    |
Dec 18 00:28:34.346 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 18 00:28:34.346 INFO [stderr]    = help: consider using `*const u8` and a length instead
Dec 18 00:28:34.346 INFO [stderr] 
Dec 18 00:28:34.477 INFO [stderr] warning: `extern` block uses type `str` which is not FFI-safe: string slices have no C equivalent
Dec 18 00:28:34.477 INFO [stderr]   --> src/main.rs:13:32
Dec 18 00:28:34.477 INFO [stderr]    |
Dec 18 00:28:34.477 INFO [stderr] 13 |         fn treecall(directory: &str);
Dec 18 00:28:34.477 INFO [stderr]    |                                ^^^^
Dec 18 00:28:34.477 INFO [stderr]    |
Dec 18 00:28:34.477 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 18 00:28:34.477 INFO [stderr]    = help: consider using `*const u8` and a length instead
Dec 18 00:28:34.477 INFO [stderr] 
Dec 18 00:28:34.520 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Dec 18 00:28:34.932 INFO running `"docker" "inspect" "64ecce33d7ac23c0f9ac9fb33054020d14429ab59e5094ca684e45867d06a30f"`
Dec 18 00:28:35.050 INFO running `"docker" "rm" "-f" "64ecce33d7ac23c0f9ac9fb33054020d14429ab59e5094ca684e45867d06a30f"`
Dec 18 00:28:35.209 INFO [stdout] 64ecce33d7ac23c0f9ac9fb33054020d14429ab59e5094ca684e45867d06a30f