Nov 02 03:33:57.705 INFO checking wilcoxky/rust-hw04 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 03:33:57.705 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 03:33:58.176 INFO blam! 56b4d18ad4bb7ef90f1fb30d070a3ac7bdd0f02fd33e92fc6844445d03d3b9fd
Nov 02 03:33:58.181 INFO running `"docker" "start" "-a" "56b4d18ad4bb7ef90f1fb30d070a3ac7bdd0f02fd33e92fc6844445d03d3b9fd"`
Nov 02 03:33:59.470 INFO kablam! usermod: no changes
Nov 02 03:33:59.576 INFO kablam!     Checking libc v0.2.31
Nov 02 03:34:00.776 INFO kablam!     Checking rand v0.3.16
Nov 02 03:34:02.238 INFO kablam!     Checking hw04 v0.1.0 (/source)
Nov 02 03:34:02.512 INFO kablam! warning: unused variable: `result`
Nov 02 03:34:02.513 INFO kablam!   --> src/main.rs:27:13
Nov 02 03:34:02.513 INFO kablam!    |
Nov 02 03:34:02.513 INFO kablam! 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 02 03:34:02.513 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Nov 02 03:34:02.513 INFO kablam!    |
Nov 02 03:34:02.513 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 03:34:02.513 INFO kablam! 
Nov 02 03:34:02.536 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 03:34:02.536 INFO kablam!    --> src/rpn.rs:124:21
Nov 02 03:34:02.536 INFO kablam!     |
Nov 02 03:34:02.536 INFO kablam! 124 |                     self.push(n);
Nov 02 03:34:02.537 INFO kablam!     |                     ^^^^^^^^^^^^^
Nov 02 03:34:02.537 INFO kablam!     |
Nov 02 03:34:02.537 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 03:34:02.537 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 03:34:02.537 INFO kablam! 
Nov 02 03:34:02.537 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 03:34:02.537 INFO kablam!    --> src/rpn.rs:133:21
Nov 02 03:34:02.537 INFO kablam!     |
Nov 02 03:34:02.537 INFO kablam! 133 |                     self.push(first.unwrap());
Nov 02 03:34:02.537 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 03:34:02.537 INFO kablam!     |
Nov 02 03:34:02.537 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 03:34:02.537 INFO kablam! 
Nov 02 03:34:02.688 INFO kablam! warning: unused variable: `result`
Nov 02 03:34:02.688 INFO kablam!   --> src/main.rs:27:13
Nov 02 03:34:02.689 INFO kablam!    |
Nov 02 03:34:02.689 INFO kablam! 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 02 03:34:02.689 INFO kablam!    |             ^^^^^^ help: consider using `_result` instead
Nov 02 03:34:02.689 INFO kablam!    |
Nov 02 03:34:02.689 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 03:34:02.690 INFO kablam! 
Nov 02 03:34:02.752 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 03:34:02.752 INFO kablam!    --> src/rpn.rs:124:21
Nov 02 03:34:02.753 INFO kablam!     |
Nov 02 03:34:02.753 INFO kablam! 124 |                     self.push(n);
Nov 02 03:34:02.753 INFO kablam!     |                     ^^^^^^^^^^^^^
Nov 02 03:34:02.753 INFO kablam!     |
Nov 02 03:34:02.753 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 03:34:02.753 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 03:34:02.753 INFO kablam! 
Nov 02 03:34:02.753 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 03:34:02.753 INFO kablam!    --> src/rpn.rs:133:21
Nov 02 03:34:02.753 INFO kablam!     |
Nov 02 03:34:02.753 INFO kablam! 133 |                     self.push(first.unwrap());
Nov 02 03:34:02.753 INFO kablam!     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 03:34:02.753 INFO kablam!     |
Nov 02 03:34:02.754 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 03:34:02.754 INFO kablam! 
Nov 02 03:34:02.785 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Nov 02 03:34:02.796 INFO kablam! su: No module specific data is present
Nov 02 03:34:03.353 INFO running `"docker" "rm" "-f" "56b4d18ad4bb7ef90f1fb30d070a3ac7bdd0f02fd33e92fc6844445d03d3b9fd"`
Nov 02 03:34:03.579 INFO blam! 56b4d18ad4bb7ef90f1fb30d070a3ac7bdd0f02fd33e92fc6844445d03d3b9fd