Dec 11 06:09:37.873 INFO checking wilcoxky/rust-hw04 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:09:37.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 06:09:38.334 INFO [stdout] ab826dea826563e5cc2441e16ca7e9fec5f053ca202f09d04521613dbc10753f
Dec 11 06:09:38.340 INFO running `"docker" "start" "-a" "ab826dea826563e5cc2441e16ca7e9fec5f053ca202f09d04521613dbc10753f"`
Dec 11 06:09:39.836 INFO [stderr] usermod: no changes
Dec 11 06:09:39.956 INFO [stderr]     Checking libc v0.2.31
Dec 11 06:09:41.068 INFO [stderr]     Checking rand v0.3.16
Dec 11 06:09:42.456 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Dec 11 06:09:42.667 INFO [stderr] warning: unused variable: `result`
Dec 11 06:09:42.667 INFO [stderr]   --> src/main.rs:27:13
Dec 11 06:09:42.667 INFO [stderr]    |
Dec 11 06:09:42.667 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Dec 11 06:09:42.667 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Dec 11 06:09:42.668 INFO [stderr]    |
Dec 11 06:09:42.668 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:09:42.668 INFO [stderr] 
Dec 11 06:09:42.694 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:09:42.694 INFO [stderr]    --> src/rpn.rs:124:21
Dec 11 06:09:42.694 INFO [stderr]     |
Dec 11 06:09:42.694 INFO [stderr] 124 |                     self.push(n);
Dec 11 06:09:42.694 INFO [stderr]     |                     ^^^^^^^^^^^^^
Dec 11 06:09:42.694 INFO [stderr]     |
Dec 11 06:09:42.694 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 06:09:42.694 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:09:42.694 INFO [stderr] 
Dec 11 06:09:42.694 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:09:42.694 INFO [stderr]    --> src/rpn.rs:133:21
Dec 11 06:09:42.694 INFO [stderr]     |
Dec 11 06:09:42.694 INFO [stderr] 133 |                     self.push(first.unwrap());
Dec 11 06:09:42.694 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:09:42.694 INFO [stderr]     |
Dec 11 06:09:42.694 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:09:42.694 INFO [stderr] 
Dec 11 06:09:42.813 INFO [stderr] warning: unused variable: `result`
Dec 11 06:09:42.813 INFO [stderr]   --> src/main.rs:27:13
Dec 11 06:09:42.813 INFO [stderr]    |
Dec 11 06:09:42.813 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Dec 11 06:09:42.813 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Dec 11 06:09:42.813 INFO [stderr]    |
Dec 11 06:09:42.813 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 06:09:42.814 INFO [stderr] 
Dec 11 06:09:42.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:09:42.880 INFO [stderr]    --> src/rpn.rs:124:21
Dec 11 06:09:42.880 INFO [stderr]     |
Dec 11 06:09:42.880 INFO [stderr] 124 |                     self.push(n);
Dec 11 06:09:42.880 INFO [stderr]     |                     ^^^^^^^^^^^^^
Dec 11 06:09:42.880 INFO [stderr]     |
Dec 11 06:09:42.880 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 06:09:42.880 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:09:42.880 INFO [stderr] 
Dec 11 06:09:42.880 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:09:42.880 INFO [stderr]    --> src/rpn.rs:133:21
Dec 11 06:09:42.880 INFO [stderr]     |
Dec 11 06:09:42.880 INFO [stderr] 133 |                     self.push(first.unwrap());
Dec 11 06:09:42.880 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:09:42.881 INFO [stderr]     |
Dec 11 06:09:42.881 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:09:42.881 INFO [stderr] 
Dec 11 06:09:42.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
Dec 11 06:09:42.930 INFO [stderr] su: No module specific data is present
Dec 11 06:09:43.876 INFO running `"docker" "inspect" "ab826dea826563e5cc2441e16ca7e9fec5f053ca202f09d04521613dbc10753f"`
Dec 11 06:09:44.196 INFO running `"docker" "rm" "-f" "ab826dea826563e5cc2441e16ca7e9fec5f053ca202f09d04521613dbc10753f"`
Dec 11 06:09:44.452 INFO [stdout] ab826dea826563e5cc2441e16ca7e9fec5f053ca202f09d04521613dbc10753f