Nov 01 00:48:39.071 INFO checking mitoma/rust_simple_http_server against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 00:48:39.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 00:48:39.381 INFO blam! 1615aa77f40b63173daa50fbb16eb738e6d3184d4086d293b8c105463b3bc240
Nov 01 00:48:39.387 INFO running `"docker" "start" "-a" "1615aa77f40b63173daa50fbb16eb738e6d3184d4086d293b8c105463b3bc240"`
Nov 01 00:48:39.968 INFO kablam! usermod: no changes
Nov 01 00:48:40.004 INFO kablam!     Checking rust_simple_http_server v0.1.0 (/source)
Nov 01 00:48:40.262 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:48:40.262 INFO kablam!   --> src/main.rs:13:9
Nov 01 00:48:40.263 INFO kablam!    |
Nov 01 00:48:40.263 INFO kablam! 13 |         stream.map(echo);
Nov 01 00:48:40.263 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Nov 01 00:48:40.263 INFO kablam!    |
Nov 01 00:48:40.263 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 00:48:40.264 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:48:40.264 INFO kablam! 
Nov 01 00:48:40.268 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 00:48:40.268 INFO kablam!   --> src/main.rs:13:9
Nov 01 00:48:40.268 INFO kablam!    |
Nov 01 00:48:40.268 INFO kablam! 13 |         stream.map(echo);
Nov 01 00:48:40.268 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Nov 01 00:48:40.268 INFO kablam!    |
Nov 01 00:48:40.268 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 00:48:40.268 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 00:48:40.268 INFO kablam! 
Nov 01 00:48:40.282 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Nov 01 00:48:40.285 INFO kablam! su: No module specific data is present
Nov 01 00:48:40.573 INFO running `"docker" "rm" "-f" "1615aa77f40b63173daa50fbb16eb738e6d3184d4086d293b8c105463b3bc240"`
Nov 01 00:48:40.690 INFO blam! 1615aa77f40b63173daa50fbb16eb738e6d3184d4086d293b8c105463b3bc240