Dec 04 14:02:35.774 INFO checking mitoma/rust_simple_http_server against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 14:02:35.774 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 14:02:35.947 INFO [stdout] 70eca2bfbeb9dcb09870b80ef5ecd1e358de9c998eeab9a2e4460403abc454ac
Dec 04 14:02:35.948 INFO running `"docker" "start" "-a" "70eca2bfbeb9dcb09870b80ef5ecd1e358de9c998eeab9a2e4460403abc454ac"`
Dec 04 14:02:36.582 INFO [stderr] usermod: no changes
Dec 04 14:02:36.639 INFO [stderr]     Checking rust_simple_http_server v0.1.0 (/source)
Dec 04 14:02:36.931 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:02:36.931 INFO [stderr]   --> src/main.rs:13:9
Dec 04 14:02:36.931 INFO [stderr]    |
Dec 04 14:02:36.931 INFO [stderr] 13 |         stream.map(echo);
Dec 04 14:02:36.931 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 04 14:02:36.931 INFO [stderr]    |
Dec 04 14:02:36.931 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:02:36.931 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:02:36.931 INFO [stderr] 
Dec 04 14:02:37.055 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 14:02:37.055 INFO [stderr]   --> src/main.rs:13:9
Dec 04 14:02:37.055 INFO [stderr]    |
Dec 04 14:02:37.055 INFO [stderr] 13 |         stream.map(echo);
Dec 04 14:02:37.055 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 04 14:02:37.055 INFO [stderr]    |
Dec 04 14:02:37.055 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 14:02:37.055 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 14:02:37.055 INFO [stderr] 
Dec 04 14:02:37.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 04 14:02:37.095 INFO [stderr] su: No module specific data is present
Dec 04 14:02:37.987 INFO running `"docker" "inspect" "70eca2bfbeb9dcb09870b80ef5ecd1e358de9c998eeab9a2e4460403abc454ac"`
Dec 04 14:02:38.303 INFO running `"docker" "rm" "-f" "70eca2bfbeb9dcb09870b80ef5ecd1e358de9c998eeab9a2e4460403abc454ac"`
Dec 04 14:02:38.560 INFO [stdout] 70eca2bfbeb9dcb09870b80ef5ecd1e358de9c998eeab9a2e4460403abc454ac