Dec 12 11:14:18.867 INFO checking mrtreader-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 11:14:18.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 11:14:19.229 INFO [stdout] d1bb9aba2e2cfb512d49e33a77ff340947832439f2d639f65cb1a67d9f9089da
Dec 12 11:14:19.234 INFO running `"docker" "start" "-a" "d1bb9aba2e2cfb512d49e33a77ff340947832439f2d639f65cb1a67d9f9089da"`
Dec 12 11:14:20.139 INFO [stderr] usermod: no changes
Dec 12 11:14:20.184 INFO [stderr]     Checking mrtreader v0.1.0 (/source)
Dec 12 11:14:20.652 INFO [stderr] warning: struct is never constructed: `MRTReader`
Dec 12 11:14:20.652 INFO [stderr]   --> src/mrt.rs:11:1
Dec 12 11:14:20.652 INFO [stderr]    |
Dec 12 11:14:20.652 INFO [stderr] 11 | pub struct MRTReader<T> where T: Read
Dec 12 11:14:20.652 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:14:20.652 INFO [stderr]    |
Dec 12 11:14:20.652 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 11:14:20.652 INFO [stderr] 
Dec 12 11:14:20.652 INFO [stderr] warning: struct is never constructed: `MRTHeader`
Dec 12 11:14:20.652 INFO [stderr]   --> src/mrt.rs:17:1
Dec 12 11:14:20.652 INFO [stderr]    |
Dec 12 11:14:20.652 INFO [stderr] 17 | pub struct MRTHeader
Dec 12 11:14:20.652 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 12 11:14:20.652 INFO [stderr] 
Dec 12 11:14:20.652 INFO [stderr] warning: enum is never used: `Record`
Dec 12 11:14:20.652 INFO [stderr]   --> src/mrt.rs:38:1
Dec 12 11:14:20.652 INFO [stderr]    |
Dec 12 11:14:20.652 INFO [stderr] 38 | pub enum Record
Dec 12 11:14:20.652 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 12 11:14:20.652 INFO [stderr] 
Dec 12 11:14:20.652 INFO [stderr] warning: method is never used: `read`
Dec 12 11:14:20.652 INFO [stderr]   --> src/mrt.rs:53:5
Dec 12 11:14:20.652 INFO [stderr]    |
Dec 12 11:14:20.652 INFO [stderr] 53 |     pub fn read(&mut self) -> Result<Record, Error>
Dec 12 11:14:20.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:14:20.652 INFO [stderr] 
Dec 12 11:14:20.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 12 11:14:20.830 INFO [stderr] su: No module specific data is present
Dec 12 11:14:21.292 INFO running `"docker" "inspect" "d1bb9aba2e2cfb512d49e33a77ff340947832439f2d639f65cb1a67d9f9089da"`
Dec 12 11:14:21.434 INFO running `"docker" "rm" "-f" "d1bb9aba2e2cfb512d49e33a77ff340947832439f2d639f65cb1a67d9f9089da"`
Dec 12 11:14:21.556 INFO [stdout] d1bb9aba2e2cfb512d49e33a77ff340947832439f2d639f65cb1a67d9f9089da