Oct 31 18:05:04.690 INFO checking wilcoxky/rust-hw04 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 18:05:04.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 18:05:05.101 INFO blam! 07ab66d6d9469632f29f313a5799f4e5e2e97463d1213546f519d77ba3d7bc11
Oct 31 18:05:05.109 INFO running `"docker" "start" "-a" "07ab66d6d9469632f29f313a5799f4e5e2e97463d1213546f519d77ba3d7bc11"`
Oct 31 18:05:06.101 INFO kablam! usermod: no changes
Oct 31 18:05:06.212 INFO kablam!     Checking libc v0.2.31
Oct 31 18:05:07.322 INFO kablam!     Checking rand v0.3.16
Oct 31 18:05:08.944 INFO kablam!     Checking hw04 v0.1.0 (/source)
Oct 31 18:05:09.237 INFO kablam! warning: unused variable: `result`
Oct 31 18:05:09.237 INFO kablam!   --> src/main.rs:27:13
Oct 31 18:05:09.237 INFO kablam!    |
Oct 31 18:05:09.237 INFO kablam! 27 |         let result = evaluate_line(&mut stack, &buffer);
Oct 31 18:05:09.237 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Oct 31 18:05:09.237 INFO kablam!    |
Oct 31 18:05:09.237 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:05:09.238 INFO kablam! 
Oct 31 18:05:09.276 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:05:09.276 INFO kablam!    --> src/rpn.rs:124:21
Oct 31 18:05:09.276 INFO kablam!     |
Oct 31 18:05:09.276 INFO kablam! 124 |                     self.push(n);
Oct 31 18:05:09.276 INFO kablam!     |                     ^^^^^^^^^^^^^
Oct 31 18:05:09.276 INFO kablam!     |
Oct 31 18:05:09.276 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:05:09.276 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:05:09.276 INFO kablam! 
Oct 31 18:05:09.276 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:05:09.276 INFO kablam!    --> src/rpn.rs:133:21
Oct 31 18:05:09.276 INFO kablam!     |
Oct 31 18:05:09.276 INFO kablam! 133 |                     self.push(first.unwrap());
Oct 31 18:05:09.276 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:05:09.276 INFO kablam!     |
Oct 31 18:05:09.276 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:05:09.276 INFO kablam! 
Oct 31 18:05:09.282 INFO kablam! warning: unused variable: `result`
Oct 31 18:05:09.282 INFO kablam!   --> src/main.rs:27:13
Oct 31 18:05:09.282 INFO kablam!    |
Oct 31 18:05:09.282 INFO kablam! 27 |         let result = evaluate_line(&mut stack, &buffer);
Oct 31 18:05:09.282 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Oct 31 18:05:09.282 INFO kablam!    |
Oct 31 18:05:09.282 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 18:05:09.282 INFO kablam! 
Oct 31 18:05:09.352 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:05:09.352 INFO kablam!    --> src/rpn.rs:124:21
Oct 31 18:05:09.352 INFO kablam!     |
Oct 31 18:05:09.352 INFO kablam! 124 |                     self.push(n);
Oct 31 18:05:09.352 INFO kablam!     |                     ^^^^^^^^^^^^^
Oct 31 18:05:09.352 INFO kablam!     |
Oct 31 18:05:09.352 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:05:09.352 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:05:09.353 INFO kablam! 
Oct 31 18:05:09.353 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 18:05:09.353 INFO kablam!    --> src/rpn.rs:133:21
Oct 31 18:05:09.353 INFO kablam!     |
Oct 31 18:05:09.353 INFO kablam! 133 |                     self.push(first.unwrap());
Oct 31 18:05:09.353 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:05:09.353 INFO kablam!     |
Oct 31 18:05:09.353 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 18:05:09.353 INFO kablam! 
Oct 31 18:05:09.404 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Oct 31 18:05:09.404 INFO kablam! su: No module specific data is present
Oct 31 18:05:10.353 INFO running `"docker" "rm" "-f" "07ab66d6d9469632f29f313a5799f4e5e2e97463d1213546f519d77ba3d7bc11"`
Oct 31 18:05:10.744 INFO blam! 07ab66d6d9469632f29f313a5799f4e5e2e97463d1213546f519d77ba3d7bc11