Dec 17 23:02:44.786 INFO checking ieee0824/web-ex-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:02:44.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:02:45.088 INFO [stdout] ac1759397adf61c50be848696819e787a205b6cad8742d20ca5f9ac425ab401e
Dec 17 23:02:45.099 INFO running `"docker" "start" "-a" "ac1759397adf61c50be848696819e787a205b6cad8742d20ca5f9ac425ab401e"`
Dec 17 23:02:46.681 INFO [stderr]     Checking mustache v0.8.2
Dec 17 23:02:46.681 INFO [stderr]     Checking hyper v0.10.13
Dec 17 23:02:50.396 INFO [stderr]     Checking nickel v0.10.1
Dec 17 23:02:51.951 INFO [stderr]     Checking web-ex-rust v0.1.0 (/opt/crater/workdir)
Dec 17 23:02:52.348 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:02:52.348 INFO [stderr]  --> src/main.rs:8:5
Dec 17 23:02:52.348 INFO [stderr]   |
Dec 17 23:02:52.348 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 17 23:02:52.348 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:02:52.348 INFO [stderr]   |
Dec 17 23:02:52.348 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 23:02:52.348 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:02:52.348 INFO [stderr] 
Dec 17 23:02:52.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:02:52.396 INFO [stderr]  --> src/main.rs:8:5
Dec 17 23:02:52.396 INFO [stderr]   |
Dec 17 23:02:52.396 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 17 23:02:52.396 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:02:52.396 INFO [stderr]   |
Dec 17 23:02:52.396 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 23:02:52.396 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:02:52.396 INFO [stderr] 
Dec 17 23:02:52.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
Dec 17 23:02:52.689 INFO running `"docker" "inspect" "ac1759397adf61c50be848696819e787a205b6cad8742d20ca5f9ac425ab401e"`
Dec 17 23:02:52.782 INFO running `"docker" "rm" "-f" "ac1759397adf61c50be848696819e787a205b6cad8742d20ca5f9ac425ab401e"`
Dec 17 23:02:52.871 INFO [stdout] ac1759397adf61c50be848696819e787a205b6cad8742d20ca5f9ac425ab401e