Oct 12 17:20:51.289 INFO checking mitoma/rust_simple_http_server against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:20:51.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 17:20:51.644 INFO blam! aad04a49606ffb6106839ecc3cd8e1c72f2e3915101cb705b0f4c1eb282c567f
Oct 12 17:20:51.649 INFO running `"docker" "start" "-a" "aad04a49606ffb6106839ecc3cd8e1c72f2e3915101cb705b0f4c1eb282c567f"`
Oct 12 17:20:52.372 INFO kablam! usermod: no changes
Oct 12 17:20:52.406 INFO kablam!     Checking rust_simple_http_server v0.1.0 (/source)
Oct 12 17:20:52.712 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:20:52.712 INFO kablam!   --> src/main.rs:13:9
Oct 12 17:20:52.712 INFO kablam!    |
Oct 12 17:20:52.712 INFO kablam! 13 |         stream.map(echo);
Oct 12 17:20:52.712 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Oct 12 17:20:52.712 INFO kablam!    |
Oct 12 17:20:52.712 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:20:52.712 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:20:52.712 INFO kablam! 
Oct 12 17:20:52.779 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:20:52.779 INFO kablam!   --> src/main.rs:13:9
Oct 12 17:20:52.779 INFO kablam!    |
Oct 12 17:20:52.779 INFO kablam! 13 |         stream.map(echo);
Oct 12 17:20:52.779 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Oct 12 17:20:52.779 INFO kablam!    |
Oct 12 17:20:52.779 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 17:20:52.779 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:20:52.779 INFO kablam! 
Oct 12 17:20:52.791 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Oct 12 17:20:52.794 INFO kablam! su: No module specific data is present
Oct 12 17:20:53.064 INFO running `"docker" "rm" "-f" "aad04a49606ffb6106839ecc3cd8e1c72f2e3915101cb705b0f4c1eb282c567f"`
Oct 12 17:20:53.202 INFO blam! aad04a49606ffb6106839ecc3cd8e1c72f2e3915101cb705b0f4c1eb282c567f