Dec 19 17:16:31.065 INFO checking eriksvedang/UnifierInRust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:16:31.065 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/eriksvedang/UnifierInRust:/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 17:16:31.674 INFO [stdout] 40dbb3c2f07349be60b6a61efc521a541403ec0310558c4a85eeb344f081eab2
Dec 19 17:16:31.676 INFO running `"docker" "start" "-a" "40dbb3c2f07349be60b6a61efc521a541403ec0310558c4a85eeb344f081eab2"`
Dec 19 17:16:33.376 INFO [stderr]     Checking unifier_in_rust v0.1.0 (/opt/crater/workdir)
Dec 19 17:16:33.644 INFO [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
Dec 19 17:16:33.644 INFO [stderr]   --> src/main.rs:59:55
Dec 19 17:16:33.644 INFO [stderr]    |
Dec 19 17:16:33.644 INFO [stderr] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
Dec 19 17:16:33.644 INFO [stderr]    |                                                       ^^^^^^^
Dec 19 17:16:33.644 INFO [stderr]    |
Dec 19 17:16:33.644 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:16:33.644 INFO [stderr] 
Dec 19 17:16:33.660 INFO [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
Dec 19 17:16:33.660 INFO [stderr]    --> src/main.rs:111:41
Dec 19 17:16:33.660 INFO [stderr]     |
Dec 19 17:16:33.660 INFO [stderr] 111 |     let all_bindings = bindings_strings.connect(", ");
Dec 19 17:16:33.660 INFO [stderr]     |                                         ^^^^^^^
Dec 19 17:16:33.660 INFO [stderr] 
Dec 19 17:16:33.880 INFO [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
Dec 19 17:16:33.880 INFO [stderr]   --> src/main.rs:59:55
Dec 19 17:16:33.884 INFO [stderr]    |
Dec 19 17:16:33.884 INFO [stderr] 59 |                 write!(f, "[{}]", expressions_strings.connect(", "))
Dec 19 17:16:33.884 INFO [stderr]    |                                                       ^^^^^^^
Dec 19 17:16:33.884 INFO [stderr]    |
Dec 19 17:16:33.884 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:16:33.884 INFO [stderr] 
Dec 19 17:16:33.909 INFO [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
Dec 19 17:16:33.910 INFO [stderr]    --> src/main.rs:111:41
Dec 19 17:16:33.910 INFO [stderr]     |
Dec 19 17:16:33.916 INFO [stderr] 111 |     let all_bindings = bindings_strings.connect(", ");
Dec 19 17:16:33.916 INFO [stderr]     |                                         ^^^^^^^
Dec 19 17:16:33.916 INFO [stderr] 
Dec 19 17:16:34.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 19 17:16:34.634 INFO running `"docker" "inspect" "40dbb3c2f07349be60b6a61efc521a541403ec0310558c4a85eeb344f081eab2"`
Dec 19 17:16:34.958 INFO running `"docker" "rm" "-f" "40dbb3c2f07349be60b6a61efc521a541403ec0310558c4a85eeb344f081eab2"`
Dec 19 17:16:35.302 INFO [stdout] 40dbb3c2f07349be60b6a61efc521a541403ec0310558c4a85eeb344f081eab2