Nov 27 17:05:27.257 INFO checking wilcoxky/rust-hw04 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 17:05:27.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 17:05:27.724 INFO [stdout] 74880d49b92e08971ad801285c01908f366317ae8ec5e7e0d2ba6257d3588a84
Nov 27 17:05:27.726 INFO running `"docker" "start" "-a" "74880d49b92e08971ad801285c01908f366317ae8ec5e7e0d2ba6257d3588a84"`
Nov 27 17:05:29.724 INFO [stderr] usermod: no changes
Nov 27 17:05:29.844 INFO [stderr]     Checking libc v0.2.31
Nov 27 17:05:31.052 INFO [stderr]     Checking rand v0.3.16
Nov 27 17:05:32.557 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Nov 27 17:05:32.876 INFO [stderr] warning: unused variable: `result`
Nov 27 17:05:32.877 INFO [stderr]   --> src/main.rs:27:13
Nov 27 17:05:32.877 INFO [stderr]    |
Nov 27 17:05:32.877 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 27 17:05:32.877 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 27 17:05:32.877 INFO [stderr]    |
Nov 27 17:05:32.877 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:05:32.877 INFO [stderr] 
Nov 27 17:05:32.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:32.908 INFO [stderr]    --> src/rpn.rs:124:21
Nov 27 17:05:32.909 INFO [stderr]     |
Nov 27 17:05:32.909 INFO [stderr] 124 |                     self.push(n);
Nov 27 17:05:32.909 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 27 17:05:32.909 INFO [stderr]     |
Nov 27 17:05:32.909 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 17:05:32.909 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:32.909 INFO [stderr] 
Nov 27 17:05:32.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:32.909 INFO [stderr]    --> src/rpn.rs:133:21
Nov 27 17:05:32.909 INFO [stderr]     |
Nov 27 17:05:32.909 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 27 17:05:32.909 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:05:32.909 INFO [stderr]     |
Nov 27 17:05:32.910 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:32.910 INFO [stderr] 
Nov 27 17:05:32.925 INFO [stderr] warning: unused variable: `result`
Nov 27 17:05:32.925 INFO [stderr]   --> src/main.rs:27:13
Nov 27 17:05:32.925 INFO [stderr]    |
Nov 27 17:05:32.925 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 27 17:05:32.925 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 27 17:05:32.925 INFO [stderr]    |
Nov 27 17:05:32.925 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 17:05:32.925 INFO [stderr] 
Nov 27 17:05:33.052 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:33.052 INFO [stderr]    --> src/rpn.rs:124:21
Nov 27 17:05:33.052 INFO [stderr]     |
Nov 27 17:05:33.052 INFO [stderr] 124 |                     self.push(n);
Nov 27 17:05:33.052 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 27 17:05:33.052 INFO [stderr]     |
Nov 27 17:05:33.053 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 27 17:05:33.059 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:33.059 INFO [stderr] 
Nov 27 17:05:33.059 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 17:05:33.059 INFO [stderr]    --> src/rpn.rs:133:21
Nov 27 17:05:33.059 INFO [stderr]     |
Nov 27 17:05:33.059 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 27 17:05:33.059 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 17:05:33.059 INFO [stderr]     |
Nov 27 17:05:33.059 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 17:05:33.060 INFO [stderr] 
Nov 27 17:05:33.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
Nov 27 17:05:33.140 INFO [stderr] su: No module specific data is present
Nov 27 17:05:34.015 INFO running `"docker" "inspect" "74880d49b92e08971ad801285c01908f366317ae8ec5e7e0d2ba6257d3588a84"`
Nov 27 17:05:34.152 INFO running `"docker" "rm" "-f" "74880d49b92e08971ad801285c01908f366317ae8ec5e7e0d2ba6257d3588a84"`
Nov 27 17:05:34.341 INFO [stdout] 74880d49b92e08971ad801285c01908f366317ae8ec5e7e0d2ba6257d3588a84