Dec 17 15:02:45.001 INFO checking solson/brainrust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:02:45.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/solson/brainrust:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:02:45.504 INFO [stdout] 8750e4431d851cf106f0715faf05e64c190724b4369ecd33a8c5b50d70c84a78
Dec 17 15:02:45.506 INFO running `"docker" "start" "-a" "8750e4431d851cf106f0715faf05e64c190724b4369ecd33a8c5b50d70c84a78"`
Dec 17 15:02:47.773 INFO [stderr]     Checking brainrust v0.0.1 (/opt/crater/workdir)
Dec 17 15:02:48.120 INFO [stderr] warning: struct is never constructed: `CircularTape`
Dec 17 15:02:48.121 INFO [stderr]   --> src/main.rs:85:1
Dec 17 15:02:48.121 INFO [stderr]    |
Dec 17 15:02:48.121 INFO [stderr] 85 | struct CircularTape {
Dec 17 15:02:48.121 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:48.121 INFO [stderr]    |
Dec 17 15:02:48.121 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:02:48.121 INFO [stderr] 
Dec 17 15:02:48.121 INFO [stderr] warning: method is never used: `new`
Dec 17 15:02:48.121 INFO [stderr]   --> src/main.rs:91:5
Dec 17 15:02:48.121 INFO [stderr]    |
Dec 17 15:02:48.121 INFO [stderr] 91 |     fn new(size: usize) -> CircularTape {
Dec 17 15:02:48.121 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:48.121 INFO [stderr] 
Dec 17 15:02:48.288 INFO [stderr] warning: struct is never constructed: `CircularTape`
Dec 17 15:02:48.288 INFO [stderr]   --> src/main.rs:85:1
Dec 17 15:02:48.288 INFO [stderr]    |
Dec 17 15:02:48.288 INFO [stderr] 85 | struct CircularTape {
Dec 17 15:02:48.288 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:48.288 INFO [stderr]    |
Dec 17 15:02:48.288 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:02:48.288 INFO [stderr] 
Dec 17 15:02:48.288 INFO [stderr] warning: method is never used: `new`
Dec 17 15:02:48.288 INFO [stderr]   --> src/main.rs:91:5
Dec 17 15:02:48.288 INFO [stderr]    |
Dec 17 15:02:48.288 INFO [stderr] 91 |     fn new(size: usize) -> CircularTape {
Dec 17 15:02:48.288 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:48.288 INFO [stderr] 
Dec 17 15:02:48.318 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 17 15:02:48.986 INFO running `"docker" "inspect" "8750e4431d851cf106f0715faf05e64c190724b4369ecd33a8c5b50d70c84a78"`
Dec 17 15:02:49.252 INFO running `"docker" "rm" "-f" "8750e4431d851cf106f0715faf05e64c190724b4369ecd33a8c5b50d70c84a78"`
Dec 17 15:02:49.540 INFO [stdout] 8750e4431d851cf106f0715faf05e64c190724b4369ecd33a8c5b50d70c84a78