Nov 27 23:31:16.851 INFO checking notexactlyawe/rust-hangman against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 23:31:16.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 23:31:17.534 INFO [stdout] aa359d542afba497cfbbc1ef67095e55b5b5fe04f2416a8dc604d3f9a6dca3f0
Nov 27 23:31:17.537 INFO running `"docker" "start" "-a" "aa359d542afba497cfbbc1ef67095e55b5b5fe04f2416a8dc604d3f9a6dca3f0"`
Nov 27 23:31:19.748 INFO [stderr] usermod: no changes
Nov 27 23:31:19.850 INFO [stderr]     Checking rand v0.3.17
Nov 27 23:31:21.586 INFO [stderr]     Checking hangman v0.0.1 (/source)
Nov 27 23:31:22.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 23:31:22.123 INFO [stderr]   --> src/main.rs:15:5
Nov 27 23:31:22.123 INFO [stderr]    |
Nov 27 23:31:22.123 INFO [stderr] 15 |     f.read_to_string(&mut f_buf);
Nov 27 23:31:22.123 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:31:22.123 INFO [stderr]    |
Nov 27 23:31:22.123 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 23:31:22.123 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 23:31:22.123 INFO [stderr] 
Nov 27 23:31:22.128 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 23:31:22.128 INFO [stderr]   --> src/main.rs:15:5
Nov 27 23:31:22.128 INFO [stderr]    |
Nov 27 23:31:22.128 INFO [stderr] 15 |     f.read_to_string(&mut f_buf);
Nov 27 23:31:22.128 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:31:22.128 INFO [stderr]    |
Nov 27 23:31:22.128 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 23:31:22.128 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 23:31:22.128 INFO [stderr] 
Nov 27 23:31:22.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
Nov 27 23:31:22.184 INFO [stderr] su: No module specific data is present
Nov 27 23:31:23.234 INFO running `"docker" "inspect" "aa359d542afba497cfbbc1ef67095e55b5b5fe04f2416a8dc604d3f9a6dca3f0"`
Nov 27 23:31:23.624 INFO running `"docker" "rm" "-f" "aa359d542afba497cfbbc1ef67095e55b5b5fe04f2416a8dc604d3f9a6dca3f0"`
Nov 27 23:31:23.968 INFO [stdout] aa359d542afba497cfbbc1ef67095e55b5b5fe04f2416a8dc604d3f9a6dca3f0