Dec 05 03:51:18.806 INFO checking zif_net-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 03:51:18.806 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 03:51:19.183 INFO [stdout] 0ebb66d5fbb23b85a682cfcad08980cca6853655ddf2af87649e990000b49f4b
Dec 05 03:51:19.191 INFO running `"docker" "start" "-a" "0ebb66d5fbb23b85a682cfcad08980cca6853655ddf2af87649e990000b49f4b"`
Dec 05 03:51:19.854 INFO [stderr] usermod: no changes
Dec 05 03:51:20.031 INFO [stderr]    Compiling arrayvec v0.4.8
Dec 05 03:51:20.047 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 05 03:51:20.047 INFO [stderr]    Compiling num_cpus v1.8.0
Dec 05 03:51:20.047 INFO [stderr]     Checking uuid v0.1.18
Dec 05 03:51:20.047 INFO [stderr]     Checking chrono v0.2.25
Dec 05 03:51:22.011 INFO [stderr]     Checking url v0.2.38
Dec 05 03:51:22.203 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 05 03:51:25.735 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 05 03:51:25.827 INFO [stderr]     Checking tiny_http v0.5.9
Dec 05 03:51:27.199 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 05 03:51:31.263 INFO [stderr]    Compiling rayon v0.8.2
Dec 05 03:51:34.586 INFO [stderr]    Compiling ring v0.12.1
Dec 05 03:51:42.222 INFO [stderr]     Checking zif_identity v0.0.1
Dec 05 03:51:43.156 INFO [stderr]     Checking zif_net v0.1.0 (/source)
Dec 05 03:51:46.431 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:51:46.431 INFO [stderr]   --> src/http_listener.rs:34:13
Dec 05 03:51:46.432 INFO [stderr]    |
Dec 05 03:51:46.432 INFO [stderr] 34 |             request.respond(response);
Dec 05 03:51:46.432 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:51:46.432 INFO [stderr]    |
Dec 05 03:51:46.433 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:51:46.433 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:51:46.433 INFO [stderr] 
Dec 05 03:51:46.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 03:51:46.882 INFO [stderr]   --> src/http_listener.rs:34:13
Dec 05 03:51:46.882 INFO [stderr]    |
Dec 05 03:51:46.882 INFO [stderr] 34 |             request.respond(response);
Dec 05 03:51:46.882 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:51:46.882 INFO [stderr]    |
Dec 05 03:51:46.883 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 03:51:46.883 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 03:51:46.883 INFO [stderr] 
Dec 05 03:51:46.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.04s
Dec 05 03:51:46.939 INFO [stderr] su: No module specific data is present
Dec 05 03:51:48.309 INFO running `"docker" "inspect" "0ebb66d5fbb23b85a682cfcad08980cca6853655ddf2af87649e990000b49f4b"`
Dec 05 03:51:48.611 INFO running `"docker" "rm" "-f" "0ebb66d5fbb23b85a682cfcad08980cca6853655ddf2af87649e990000b49f4b"`
Dec 05 03:51:48.951 INFO [stdout] 0ebb66d5fbb23b85a682cfcad08980cca6853655ddf2af87649e990000b49f4b