Dec 17 15:02:43.525 INFO checking solson/brainrust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:02:43.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:02:44.082 INFO [stdout] 4699a3a9f0dcccb8fb6b8b6188ff7b1c0b1761eb5891c47263fd2d67188d9989
Dec 17 15:02:44.084 INFO running `"docker" "start" "-a" "4699a3a9f0dcccb8fb6b8b6188ff7b1c0b1761eb5891c47263fd2d67188d9989"`
Dec 17 15:02:45.888 INFO [stderr]     Checking brainrust v0.0.1 (/opt/crater/workdir)
Dec 17 15:02:46.376 INFO [stderr] warning: struct is never constructed: `CircularTape`
Dec 17 15:02:46.376 INFO [stderr]   --> src/main.rs:85:1
Dec 17 15:02:46.376 INFO [stderr]    |
Dec 17 15:02:46.376 INFO [stderr] 85 | struct CircularTape {
Dec 17 15:02:46.376 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:46.376 INFO [stderr]    |
Dec 17 15:02:46.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:02:46.376 INFO [stderr] 
Dec 17 15:02:46.376 INFO [stderr] warning: method is never used: `new`
Dec 17 15:02:46.376 INFO [stderr]   --> src/main.rs:91:5
Dec 17 15:02:46.376 INFO [stderr]    |
Dec 17 15:02:46.376 INFO [stderr] 91 |     fn new(size: usize) -> CircularTape {
Dec 17 15:02:46.376 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:46.376 INFO [stderr] 
Dec 17 15:02:46.532 INFO [stderr] warning: struct is never constructed: `CircularTape`
Dec 17 15:02:46.532 INFO [stderr]   --> src/main.rs:85:1
Dec 17 15:02:46.532 INFO [stderr]    |
Dec 17 15:02:46.532 INFO [stderr] 85 | struct CircularTape {
Dec 17 15:02:46.532 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:46.532 INFO [stderr]    |
Dec 17 15:02:46.532 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:02:46.532 INFO [stderr] 
Dec 17 15:02:46.532 INFO [stderr] warning: method is never used: `new`
Dec 17 15:02:46.532 INFO [stderr]   --> src/main.rs:91:5
Dec 17 15:02:46.532 INFO [stderr]    |
Dec 17 15:02:46.532 INFO [stderr] 91 |     fn new(size: usize) -> CircularTape {
Dec 17 15:02:46.532 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:02:46.532 INFO [stderr] 
Dec 17 15:02:46.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 17 15:02:47.896 INFO running `"docker" "inspect" "4699a3a9f0dcccb8fb6b8b6188ff7b1c0b1761eb5891c47263fd2d67188d9989"`
Dec 17 15:02:48.220 INFO running `"docker" "rm" "-f" "4699a3a9f0dcccb8fb6b8b6188ff7b1c0b1761eb5891c47263fd2d67188d9989"`
Dec 17 15:02:48.512 INFO [stdout] 4699a3a9f0dcccb8fb6b8b6188ff7b1c0b1761eb5891c47263fd2d67188d9989