Dec 05 10:13:31.904 INFO checking mrtreader-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:13:31.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 10:13:32.386 INFO [stdout] 4d82d051c173d56322012392d7cbfe34d0bc0a4daf902b5616b48fef0fbc6024
Dec 05 10:13:32.388 INFO running `"docker" "start" "-a" "4d82d051c173d56322012392d7cbfe34d0bc0a4daf902b5616b48fef0fbc6024"`
Dec 05 10:13:33.269 INFO [stderr] usermod: no changes
Dec 05 10:13:33.339 INFO [stderr]     Checking mrtreader v0.1.0 (/source)
Dec 05 10:13:33.921 INFO [stderr] warning: struct is never constructed: `MRTReader`
Dec 05 10:13:33.921 INFO [stderr]   --> src/mrt.rs:11:1
Dec 05 10:13:33.921 INFO [stderr]    |
Dec 05 10:13:33.921 INFO [stderr] 11 | pub struct MRTReader<T> where T: Read
Dec 05 10:13:33.921 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:33.921 INFO [stderr]    |
Dec 05 10:13:33.921 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:13:33.921 INFO [stderr] 
Dec 05 10:13:33.921 INFO [stderr] warning: struct is never constructed: `MRTHeader`
Dec 05 10:13:33.921 INFO [stderr]   --> src/mrt.rs:17:1
Dec 05 10:13:33.921 INFO [stderr]    |
Dec 05 10:13:33.921 INFO [stderr] 17 | pub struct MRTHeader
Dec 05 10:13:33.921 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:33.921 INFO [stderr] 
Dec 05 10:13:33.921 INFO [stderr] warning: enum is never used: `Record`
Dec 05 10:13:33.921 INFO [stderr]   --> src/mrt.rs:38:1
Dec 05 10:13:33.921 INFO [stderr]    |
Dec 05 10:13:33.921 INFO [stderr] 38 | pub enum Record
Dec 05 10:13:33.921 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 05 10:13:33.921 INFO [stderr] 
Dec 05 10:13:33.921 INFO [stderr] warning: method is never used: `read`
Dec 05 10:13:33.921 INFO [stderr]   --> src/mrt.rs:53:5
Dec 05 10:13:33.921 INFO [stderr]    |
Dec 05 10:13:33.921 INFO [stderr] 53 |     pub fn read(&mut self) -> Result<Record, Error>
Dec 05 10:13:33.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:13:33.921 INFO [stderr] 
Dec 05 10:13:34.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 05 10:13:34.091 INFO [stderr] su: No module specific data is present
Dec 05 10:13:34.379 INFO running `"docker" "inspect" "4d82d051c173d56322012392d7cbfe34d0bc0a4daf902b5616b48fef0fbc6024"`
Dec 05 10:13:34.497 INFO running `"docker" "rm" "-f" "4d82d051c173d56322012392d7cbfe34d0bc0a4daf902b5616b48fef0fbc6024"`
Dec 05 10:13:34.662 INFO [stdout] 4d82d051c173d56322012392d7cbfe34d0bc0a4daf902b5616b48fef0fbc6024