Nov 06 20:06:00.828 INFO checking jevankovich/rpncalc against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 20:06:00.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-2/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 20:06:01.243 INFO blam! ec19a7fd7a44b2b3a093ac2582a403b0cd57c9cf8ee5a6bd3569010c8eaf9ebd
Nov 06 20:06:01.248 INFO running `"docker" "start" "-a" "ec19a7fd7a44b2b3a093ac2582a403b0cd57c9cf8ee5a6bd3569010c8eaf9ebd"`
Nov 06 20:06:03.476 INFO kablam! usermod: no changes
Nov 06 20:06:03.522 INFO kablam!     Checking rpncalc v0.1.0 (/source)
Nov 06 20:06:03.872 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 06 20:06:03.872 INFO kablam!  --> src/main.rs:4:5
Nov 06 20:06:03.872 INFO kablam!   |
Nov 06 20:06:03.872 INFO kablam! 4 | use std::collections::HashMap;
Nov 06 20:06:03.872 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:06:03.872 INFO kablam!   |
Nov 06 20:06:03.872 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 20:06:03.872 INFO kablam! 
Nov 06 20:06:03.872 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 06 20:06:03.872 INFO kablam!  --> src/main.rs:5:5
Nov 06 20:06:03.872 INFO kablam!   |
Nov 06 20:06:03.872 INFO kablam! 5 | use std::rc::Rc;
Nov 06 20:06:03.872 INFO kablam!   |     ^^^^^^^^^^^
Nov 06 20:06:03.872 INFO kablam! 
Nov 06 20:06:03.916 INFO kablam! warning: unused variable: `err`
Nov 06 20:06:03.916 INFO kablam!   --> src/main.rs:45:17
Nov 06 20:06:03.916 INFO kablam!    |
Nov 06 20:06:03.916 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 06 20:06:03.916 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 06 20:06:03.916 INFO kablam!    |
Nov 06 20:06:03.916 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 20:06:03.916 INFO kablam! 
Nov 06 20:06:03.936 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 20:06:03.936 INFO kablam!   --> src/main.rs:78:5
Nov 06 20:06:03.936 INFO kablam!    |
Nov 06 20:06:03.936 INFO kablam! 78 |     stdout.flush();
Nov 06 20:06:03.936 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 06 20:06:03.936 INFO kablam!    |
Nov 06 20:06:03.936 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 20:06:03.936 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 20:06:03.936 INFO kablam! 
Nov 06 20:06:03.936 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 20:06:03.936 INFO kablam!   --> src/main.rs:87:9
Nov 06 20:06:03.936 INFO kablam!    |
Nov 06 20:06:03.936 INFO kablam! 87 |         stdout.flush();
Nov 06 20:06:03.936 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 06 20:06:03.936 INFO kablam!    |
Nov 06 20:06:03.936 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 20:06:03.936 INFO kablam! 
Nov 06 20:06:04.167 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 06 20:06:04.167 INFO kablam!  --> src/main.rs:4:5
Nov 06 20:06:04.167 INFO kablam!   |
Nov 06 20:06:04.168 INFO kablam! 4 | use std::collections::HashMap;
Nov 06 20:06:04.168 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 06 20:06:04.168 INFO kablam!   |
Nov 06 20:06:04.169 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 06 20:06:04.169 INFO kablam! 
Nov 06 20:06:04.169 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 06 20:06:04.169 INFO kablam!  --> src/main.rs:5:5
Nov 06 20:06:04.170 INFO kablam!   |
Nov 06 20:06:04.170 INFO kablam! 5 | use std::rc::Rc;
Nov 06 20:06:04.170 INFO kablam!   |     ^^^^^^^^^^^
Nov 06 20:06:04.170 INFO kablam! 
Nov 06 20:06:04.210 INFO kablam! warning: unused variable: `err`
Nov 06 20:06:04.210 INFO kablam!   --> src/main.rs:45:17
Nov 06 20:06:04.210 INFO kablam!    |
Nov 06 20:06:04.210 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 06 20:06:04.210 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 06 20:06:04.210 INFO kablam!    |
Nov 06 20:06:04.210 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 06 20:06:04.210 INFO kablam! 
Nov 06 20:06:04.235 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 20:06:04.235 INFO kablam!   --> src/main.rs:78:5
Nov 06 20:06:04.236 INFO kablam!    |
Nov 06 20:06:04.236 INFO kablam! 78 |     stdout.flush();
Nov 06 20:06:04.237 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 06 20:06:04.237 INFO kablam!    |
Nov 06 20:06:04.237 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 06 20:06:04.237 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 20:06:04.238 INFO kablam! 
Nov 06 20:06:04.238 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 06 20:06:04.238 INFO kablam!   --> src/main.rs:87:9
Nov 06 20:06:04.239 INFO kablam!    |
Nov 06 20:06:04.239 INFO kablam! 87 |         stdout.flush();
Nov 06 20:06:04.239 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 06 20:06:04.240 INFO kablam!    |
Nov 06 20:06:04.240 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 06 20:06:04.240 INFO kablam! 
Nov 06 20:06:04.270 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 06 20:06:04.279 INFO kablam! su: No module specific data is present
Nov 06 20:06:05.385 INFO running `"docker" "rm" "-f" "ec19a7fd7a44b2b3a093ac2582a403b0cd57c9cf8ee5a6bd3569010c8eaf9ebd"`
Nov 06 20:06:05.684 INFO blam! ec19a7fd7a44b2b3a093ac2582a403b0cd57c9cf8ee5a6bd3569010c8eaf9ebd