Dec 04 17:24:10.420 INFO checking ieee0824/web-ex-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:24:10.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 17:24:10.743 INFO [stdout] 7e58a5a8ac0f49729999f3a207c9ba6f4d545a5380e760a4a7dd872081f3d600
Dec 04 17:24:10.745 INFO running `"docker" "start" "-a" "7e58a5a8ac0f49729999f3a207c9ba6f4d545a5380e760a4a7dd872081f3d600"`
Dec 04 17:24:12.623 INFO [stderr] usermod: no changes
Dec 04 17:24:12.846 INFO [stderr]     Checking mustache v0.8.2
Dec 04 17:24:12.846 INFO [stderr]     Checking hyper v0.10.13
Dec 04 17:24:17.559 INFO [stderr]     Checking nickel v0.10.1
Dec 04 17:24:20.452 INFO [stderr]     Checking web-ex-rust v0.1.0 (/source)
Dec 04 17:24:22.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:24:22.935 INFO [stderr]  --> src/main.rs:8:5
Dec 04 17:24:22.935 INFO [stderr]   |
Dec 04 17:24:22.935 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 04 17:24:22.935 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:24:22.935 INFO [stderr]   |
Dec 04 17:24:22.935 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 17:24:22.935 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:24:22.935 INFO [stderr] 
Dec 04 17:24:22.963 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 17:24:22.963 INFO [stderr]  --> src/main.rs:8:5
Dec 04 17:24:22.963 INFO [stderr]   |
Dec 04 17:24:22.963 INFO [stderr] 8 |     server.listen("127.0.0.1:6767");
Dec 04 17:24:22.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:24:22.963 INFO [stderr]   |
Dec 04 17:24:22.963 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 17:24:22.963 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 17:24:22.963 INFO [stderr] 
Dec 04 17:24:23.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.37s
Dec 04 17:24:23.038 INFO [stderr] su: No module specific data is present
Dec 04 17:24:24.223 INFO running `"docker" "inspect" "7e58a5a8ac0f49729999f3a207c9ba6f4d545a5380e760a4a7dd872081f3d600"`
Dec 04 17:24:24.505 INFO running `"docker" "rm" "-f" "7e58a5a8ac0f49729999f3a207c9ba6f4d545a5380e760a4a7dd872081f3d600"`
Dec 04 17:24:24.791 INFO [stdout] 7e58a5a8ac0f49729999f3a207c9ba6f4d545a5380e760a4a7dd872081f3d600