Dec 18 08:54:39.715 INFO checking zif_net-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:54:39.716 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/zif_net/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:54:40.088 INFO [stdout] 8921a393ba091ed94df58c63c241886976c59c4f57f701acd693d0b3c69804d9
Dec 18 08:54:40.094 INFO running `"docker" "start" "-a" "8921a393ba091ed94df58c63c241886976c59c4f57f701acd693d0b3c69804d9"`
Dec 18 08:54:41.043 INFO [stderr]    Compiling arrayvec v0.4.9
Dec 18 08:54:41.049 INFO [stderr]     Checking blake2-rfc v0.2.18
Dec 18 08:54:41.049 INFO [stderr]    Compiling num_cpus v1.9.0
Dec 18 08:54:41.055 INFO [stderr]     Checking uuid v0.1.18
Dec 18 08:54:41.056 INFO [stderr]     Checking chrono v0.2.25
Dec 18 08:54:42.505 INFO [stderr]     Checking url v0.2.38
Dec 18 08:54:43.094 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 18 08:54:46.379 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 18 08:54:46.676 INFO [stderr]     Checking tiny_http v0.5.9
Dec 18 08:54:47.479 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 18 08:54:50.524 INFO [stderr]    Compiling rayon v0.8.2
Dec 18 08:54:53.352 INFO [stderr]    Compiling ring v0.12.1
Dec 18 08:54:59.892 INFO [stderr]     Checking zif_identity v0.0.1
Dec 18 08:55:00.506 INFO [stderr]     Checking zif_net v0.1.0 (/opt/crater/workdir)
Dec 18 08:55:01.780 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 08:55:01.780 INFO [stderr]   --> src/http_listener.rs:34:13
Dec 18 08:55:01.780 INFO [stderr]    |
Dec 18 08:55:01.780 INFO [stderr] 34 |             request.respond(response);
Dec 18 08:55:01.780 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:55:01.780 INFO [stderr]    |
Dec 18 08:55:01.780 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 08:55:01.780 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 08:55:01.780 INFO [stderr] 
Dec 18 08:55:01.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 08:55:01.944 INFO [stderr]   --> src/http_listener.rs:34:13
Dec 18 08:55:01.944 INFO [stderr]    |
Dec 18 08:55:01.944 INFO [stderr] 34 |             request.respond(response);
Dec 18 08:55:01.944 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:55:01.944 INFO [stderr]    |
Dec 18 08:55:01.944 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 08:55:01.944 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 08:55:01.944 INFO [stderr] 
Dec 18 08:55:01.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.12s
Dec 18 08:55:03.098 INFO running `"docker" "inspect" "8921a393ba091ed94df58c63c241886976c59c4f57f701acd693d0b3c69804d9"`
Dec 18 08:55:03.472 INFO running `"docker" "rm" "-f" "8921a393ba091ed94df58c63c241886976c59c4f57f701acd693d0b3c69804d9"`
Dec 18 08:55:03.751 INFO [stdout] 8921a393ba091ed94df58c63c241886976c59c4f57f701acd693d0b3c69804d9