Dec 18 05:43:48.105 INFO checking RebeccaSyria/mud against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:43:48.105 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/RebeccaSyria/mud:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:43:48.644 INFO [stdout] f47bd5b1682ba1f3eba88fde52e12f084e690da5bf85378c063ec3466addbb11
Dec 18 05:43:48.652 INFO running `"docker" "start" "-a" "f47bd5b1682ba1f3eba88fde52e12f084e690da5bf85378c063ec3466addbb11"`
Dec 18 05:43:50.580 INFO [stderr]     Checking mud v0.1.0 (/opt/crater/workdir)
Dec 18 05:43:50.948 INFO [stderr] warning: value assigned to `output` is never read
Dec 18 05:43:50.948 INFO [stderr]   --> src/main.rs:45:21
Dec 18 05:43:50.948 INFO [stderr]    |
Dec 18 05:43:50.948 INFO [stderr] 45 |             let mut output = "";
Dec 18 05:43:50.948 INFO [stderr]    |                     ^^^^^^
Dec 18 05:43:50.948 INFO [stderr]    |
Dec 18 05:43:50.948 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 05:43:50.948 INFO [stderr] 
Dec 18 05:43:50.956 INFO [stderr] warning: field is never used: `room_name`
Dec 18 05:43:50.956 INFO [stderr]  --> src/room.rs:2:5
Dec 18 05:43:50.956 INFO [stderr]   |
Dec 18 05:43:50.956 INFO [stderr] 2 |     room_name: String,
Dec 18 05:43:50.956 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 05:43:50.956 INFO [stderr]   |
Dec 18 05:43:50.956 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 05:43:50.956 INFO [stderr] 
Dec 18 05:43:50.956 INFO [stderr] warning: field is never used: `room_id`
Dec 18 05:43:50.956 INFO [stderr]  --> src/room.rs:4:5
Dec 18 05:43:50.956 INFO [stderr]   |
Dec 18 05:43:50.956 INFO [stderr] 4 |     room_id: i32,
Dec 18 05:43:50.956 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 05:43:50.956 INFO [stderr] 
Dec 18 05:43:50.956 INFO [stderr] warning: field is never used: `messages`
Dec 18 05:43:50.956 INFO [stderr]  --> src/room.rs:5:5
Dec 18 05:43:50.956 INFO [stderr]   |
Dec 18 05:43:50.956 INFO [stderr] 5 |     messages: String,
Dec 18 05:43:50.956 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 05:43:50.956 INFO [stderr] 
Dec 18 05:43:51.076 INFO [stderr] warning: value assigned to `output` is never read
Dec 18 05:43:51.076 INFO [stderr]   --> src/main.rs:45:21
Dec 18 05:43:51.076 INFO [stderr]    |
Dec 18 05:43:51.076 INFO [stderr] 45 |             let mut output = "";
Dec 18 05:43:51.076 INFO [stderr]    |                     ^^^^^^
Dec 18 05:43:51.076 INFO [stderr]    |
Dec 18 05:43:51.076 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 05:43:51.076 INFO [stderr] 
Dec 18 05:43:51.087 INFO [stderr] warning: field is never used: `room_name`
Dec 18 05:43:51.087 INFO [stderr]  --> src/room.rs:2:5
Dec 18 05:43:51.087 INFO [stderr]   |
Dec 18 05:43:51.087 INFO [stderr] 2 |     room_name: String,
Dec 18 05:43:51.087 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 05:43:51.087 INFO [stderr]   |
Dec 18 05:43:51.087 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 05:43:51.087 INFO [stderr] 
Dec 18 05:43:51.087 INFO [stderr] warning: field is never used: `room_id`
Dec 18 05:43:51.087 INFO [stderr]  --> src/room.rs:4:5
Dec 18 05:43:51.087 INFO [stderr]   |
Dec 18 05:43:51.087 INFO [stderr] 4 |     room_id: i32,
Dec 18 05:43:51.087 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 05:43:51.087 INFO [stderr] 
Dec 18 05:43:51.087 INFO [stderr] warning: field is never used: `messages`
Dec 18 05:43:51.087 INFO [stderr]  --> src/room.rs:5:5
Dec 18 05:43:51.087 INFO [stderr]   |
Dec 18 05:43:51.087 INFO [stderr] 5 |     messages: String,
Dec 18 05:43:51.087 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 05:43:51.087 INFO [stderr] 
Dec 18 05:43:51.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 05:43:51.922 INFO running `"docker" "inspect" "f47bd5b1682ba1f3eba88fde52e12f084e690da5bf85378c063ec3466addbb11"`
Dec 18 05:43:52.174 INFO running `"docker" "rm" "-f" "f47bd5b1682ba1f3eba88fde52e12f084e690da5bf85378c063ec3466addbb11"`
Dec 18 05:43:52.500 INFO [stdout] f47bd5b1682ba1f3eba88fde52e12f084e690da5bf85378c063ec3466addbb11