Dec 19 15:50:43.420 INFO checking ieee0824/web-ex-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:50:43.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:50:43.840 INFO [stdout] d54e37c40033ccee3f76b89569aa49a5769a54fd768f3db781870dd77ad85eef
Dec 19 15:50:43.841 INFO running `"docker" "start" "-a" "d54e37c40033ccee3f76b89569aa49a5769a54fd768f3db781870dd77ad85eef"`
Dec 19 15:50:44.621 INFO [stderr]     Checking mustache v0.8.2
Dec 19 15:50:44.621 INFO [stderr]     Checking hyper v0.10.13
Dec 19 15:50:48.005 INFO [stderr]     Checking nickel v0.10.1
Dec 19 15:50:49.678 INFO [stderr]     Checking web-ex-rust v0.1.0 (/opt/crater/workdir)
Dec 19 15:50:50.086 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:50.086 INFO [stderr]  --> src/main.rs:8:5
Dec 19 15:50:50.086 INFO [stderr]   |
Dec 19 15:50:50.086 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 19 15:50:50.086 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:50.086 INFO [stderr]   |
Dec 19 15:50:50.086 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:50.086 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:50.086 INFO [stderr] 
Dec 19 15:50:50.118 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:50.118 INFO [stderr]  --> src/main.rs:8:5
Dec 19 15:50:50.119 INFO [stderr]   |
Dec 19 15:50:50.119 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 19 15:50:50.119 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:50.119 INFO [stderr]   |
Dec 19 15:50:50.119 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:50.119 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:50.119 INFO [stderr] 
Dec 19 15:50:50.128 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
Dec 19 15:50:50.467 INFO running `"docker" "inspect" "d54e37c40033ccee3f76b89569aa49a5769a54fd768f3db781870dd77ad85eef"`
Dec 19 15:50:50.573 INFO running `"docker" "rm" "-f" "d54e37c40033ccee3f76b89569aa49a5769a54fd768f3db781870dd77ad85eef"`
Dec 19 15:50:50.670 INFO [stdout] d54e37c40033ccee3f76b89569aa49a5769a54fd768f3db781870dd77ad85eef