Oct 31 20:46:38.046 INFO checking solson/brainrust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 20:46:38.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 20:46:38.544 INFO blam! 167a401e00365aca6ef6bcaddbf06c4b78d384e1848946f0d580f8688c477e67
Oct 31 20:46:38.548 INFO running `"docker" "start" "-a" "167a401e00365aca6ef6bcaddbf06c4b78d384e1848946f0d580f8688c477e67"`
Oct 31 20:46:39.933 INFO kablam! usermod: no changes
Oct 31 20:46:39.988 INFO kablam!     Checking brainrust v0.0.1 (/source)
Oct 31 20:46:40.516 INFO kablam! warning: struct is never constructed: `CircularTape`
Oct 31 20:46:40.516 INFO kablam!   --> src/main.rs:85:1
Oct 31 20:46:40.516 INFO kablam!    |
Oct 31 20:46:40.516 INFO kablam! 85 | struct CircularTape {
Oct 31 20:46:40.516 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 31 20:46:40.516 INFO kablam!    |
Oct 31 20:46:40.516 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 20:46:40.516 INFO kablam! 
Oct 31 20:46:40.516 INFO kablam! warning: method is never used: `new`
Oct 31 20:46:40.516 INFO kablam!   --> src/main.rs:91:5
Oct 31 20:46:40.516 INFO kablam!    |
Oct 31 20:46:40.516 INFO kablam! 91 |     fn new(size: usize) -> CircularTape {
Oct 31 20:46:40.516 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:46:40.516 INFO kablam! 
Oct 31 20:46:40.584 INFO kablam! warning: struct is never constructed: `CircularTape`
Oct 31 20:46:40.584 INFO kablam!   --> src/main.rs:85:1
Oct 31 20:46:40.584 INFO kablam!    |
Oct 31 20:46:40.584 INFO kablam! 85 | struct CircularTape {
Oct 31 20:46:40.584 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^
Oct 31 20:46:40.584 INFO kablam!    |
Oct 31 20:46:40.584 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 20:46:40.584 INFO kablam! 
Oct 31 20:46:40.584 INFO kablam! warning: method is never used: `new`
Oct 31 20:46:40.584 INFO kablam!   --> src/main.rs:91:5
Oct 31 20:46:40.584 INFO kablam!    |
Oct 31 20:46:40.584 INFO kablam! 91 |     fn new(size: usize) -> CircularTape {
Oct 31 20:46:40.584 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:46:40.584 INFO kablam! 
Oct 31 20:46:40.619 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Oct 31 20:46:40.620 INFO kablam! su: No module specific data is present
Oct 31 20:46:41.752 INFO running `"docker" "rm" "-f" "167a401e00365aca6ef6bcaddbf06c4b78d384e1848946f0d580f8688c477e67"`
Oct 31 20:46:42.052 INFO blam! 167a401e00365aca6ef6bcaddbf06c4b78d384e1848946f0d580f8688c477e67