Dec 05 10:13:32.272 INFO checking mrtreader-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:13:32.273 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 10:13:32.455 INFO [stdout] 422aaa701aa3d3bd8baa8a58d3f4c483c01a9d3c2b1b2be1a394032b82a70a99
Dec 05 10:13:32.457 INFO running `"docker" "start" "-a" "422aaa701aa3d3bd8baa8a58d3f4c483c01a9d3c2b1b2be1a394032b82a70a99"`
Dec 05 10:13:33.579 INFO [stderr] usermod: no changes
Dec 05 10:13:33.631 INFO [stderr]     Checking mrtreader v0.1.0 (/source)
Dec 05 10:13:34.210 INFO [stderr] warning: struct is never constructed: `MRTReader`
Dec 05 10:13:34.210 INFO [stderr]   --> src/mrt.rs:11:1
Dec 05 10:13:34.210 INFO [stderr]    |
Dec 05 10:13:34.210 INFO [stderr] 11 | pub struct MRTReader<T> where T: Read
Dec 05 10:13:34.210 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:34.210 INFO [stderr]    |
Dec 05 10:13:34.210 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:13:34.210 INFO [stderr] 
Dec 05 10:13:34.210 INFO [stderr] warning: struct is never constructed: `MRTHeader`
Dec 05 10:13:34.210 INFO [stderr]   --> src/mrt.rs:17:1
Dec 05 10:13:34.210 INFO [stderr]    |
Dec 05 10:13:34.210 INFO [stderr] 17 | pub struct MRTHeader
Dec 05 10:13:34.210 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:34.210 INFO [stderr] 
Dec 05 10:13:34.210 INFO [stderr] warning: enum is never used: `Record`
Dec 05 10:13:34.210 INFO [stderr]   --> src/mrt.rs:38:1
Dec 05 10:13:34.210 INFO [stderr]    |
Dec 05 10:13:34.210 INFO [stderr] 38 | pub enum Record
Dec 05 10:13:34.210 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:13:34.210 INFO [stderr] 
Dec 05 10:13:34.210 INFO [stderr] warning: method is never used: `read`
Dec 05 10:13:34.210 INFO [stderr]   --> src/mrt.rs:53:5
Dec 05 10:13:34.210 INFO [stderr]    |
Dec 05 10:13:34.210 INFO [stderr] 53 |     pub fn read(&mut self) -> Result<Record, Error>
Dec 05 10:13:34.210 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:34.210 INFO [stderr] 
Dec 05 10:13:34.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 05 10:13:34.236 INFO [stderr] su: No module specific data is present
Dec 05 10:13:34.639 INFO running `"docker" "inspect" "422aaa701aa3d3bd8baa8a58d3f4c483c01a9d3c2b1b2be1a394032b82a70a99"`
Dec 05 10:13:34.898 INFO running `"docker" "rm" "-f" "422aaa701aa3d3bd8baa8a58d3f4c483c01a9d3c2b1b2be1a394032b82a70a99"`
Dec 05 10:13:35.141 INFO [stdout] 422aaa701aa3d3bd8baa8a58d3f4c483c01a9d3c2b1b2be1a394032b82a70a99