Dec 19 15:50:37.485 INFO checking ieee0824/web-ex-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:50:37.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/ieee0824/web-ex-rust:/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 15:50:37.926 INFO [stdout] 685751d52b2123bce62ef770bbcbca562fd30c0a2cf5dc386e8a450e2d74cbfd
Dec 19 15:50:37.934 INFO running `"docker" "start" "-a" "685751d52b2123bce62ef770bbcbca562fd30c0a2cf5dc386e8a450e2d74cbfd"`
Dec 19 15:50:39.578 INFO [stderr]     Checking hyper v0.10.13
Dec 19 15:50:43.076 INFO [stderr]     Checking nickel v0.10.1
Dec 19 15:50:44.893 INFO [stderr]     Checking web-ex-rust v0.1.0 (/opt/crater/workdir)
Dec 19 15:50:45.296 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:45.296 INFO [stderr]  --> src/main.rs:8:5
Dec 19 15:50:45.296 INFO [stderr]   |
Dec 19 15:50:45.296 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 19 15:50:45.296 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:45.296 INFO [stderr]   |
Dec 19 15:50:45.296 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:45.296 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:45.296 INFO [stderr] 
Dec 19 15:50:45.405 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:45.405 INFO [stderr]  --> src/main.rs:8:5
Dec 19 15:50:45.405 INFO [stderr]   |
Dec 19 15:50:45.405 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 19 15:50:45.405 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:45.405 INFO [stderr]   |
Dec 19 15:50:45.405 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:45.405 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:45.405 INFO [stderr] 
Dec 19 15:50:45.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
Dec 19 15:50:45.820 INFO running `"docker" "inspect" "685751d52b2123bce62ef770bbcbca562fd30c0a2cf5dc386e8a450e2d74cbfd"`
Dec 19 15:50:46.033 INFO running `"docker" "rm" "-f" "685751d52b2123bce62ef770bbcbca562fd30c0a2cf5dc386e8a450e2d74cbfd"`
Dec 19 15:50:46.168 INFO [stdout] 685751d52b2123bce62ef770bbcbca562fd30c0a2cf5dc386e8a450e2d74cbfd