Nov 01 03:16:32.136 INFO checking jevankovich/rpncalc against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 03:16:32.136 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 03:16:32.407 INFO blam! 450372d3558c52b055c50eb281dcdd44fbfa35db968677279aee0b0077d97e0b
Nov 01 03:16:32.409 INFO running `"docker" "start" "-a" "450372d3558c52b055c50eb281dcdd44fbfa35db968677279aee0b0077d97e0b"`
Nov 01 03:16:33.778 INFO kablam! usermod: no changes
Nov 01 03:16:33.818 INFO kablam!     Checking rpncalc v0.1.0 (/source)
Nov 01 03:16:34.156 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:16:34.157 INFO kablam!  --> src/main.rs:4:5
Nov 01 03:16:34.157 INFO kablam!   |
Nov 01 03:16:34.158 INFO kablam! 4 | use std::collections::HashMap;
Nov 01 03:16:34.158 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:16:34.158 INFO kablam!   |
Nov 01 03:16:34.158 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:16:34.159 INFO kablam! 
Nov 01 03:16:34.159 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:16:34.159 INFO kablam!  --> src/main.rs:5:5
Nov 01 03:16:34.159 INFO kablam!   |
Nov 01 03:16:34.160 INFO kablam! 5 | use std::rc::Rc;
Nov 01 03:16:34.160 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 03:16:34.160 INFO kablam! 
Nov 01 03:16:34.204 INFO kablam! warning: unused variable: `err`
Nov 01 03:16:34.204 INFO kablam!   --> src/main.rs:45:17
Nov 01 03:16:34.204 INFO kablam!    |
Nov 01 03:16:34.204 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 01 03:16:34.204 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 01 03:16:34.204 INFO kablam!    |
Nov 01 03:16:34.204 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:16:34.204 INFO kablam! 
Nov 01 03:16:34.225 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:34.225 INFO kablam!   --> src/main.rs:78:5
Nov 01 03:16:34.225 INFO kablam!    |
Nov 01 03:16:34.225 INFO kablam! 78 |     stdout.flush();
Nov 01 03:16:34.226 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 03:16:34.226 INFO kablam!    |
Nov 01 03:16:34.226 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:16:34.226 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:34.226 INFO kablam! 
Nov 01 03:16:34.227 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:34.227 INFO kablam!   --> src/main.rs:87:9
Nov 01 03:16:34.227 INFO kablam!    |
Nov 01 03:16:34.227 INFO kablam! 87 |         stdout.flush();
Nov 01 03:16:34.227 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 01 03:16:34.227 INFO kablam!    |
Nov 01 03:16:34.227 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:34.227 INFO kablam! 
Nov 01 03:16:34.440 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:16:34.441 INFO kablam!  --> src/main.rs:4:5
Nov 01 03:16:34.441 INFO kablam!   |
Nov 01 03:16:34.442 INFO kablam! 4 | use std::collections::HashMap;
Nov 01 03:16:34.442 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:16:34.442 INFO kablam!   |
Nov 01 03:16:34.443 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:16:34.444 INFO kablam! 
Nov 01 03:16:34.444 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:16:34.444 INFO kablam!  --> src/main.rs:5:5
Nov 01 03:16:34.444 INFO kablam!   |
Nov 01 03:16:34.445 INFO kablam! 5 | use std::rc::Rc;
Nov 01 03:16:34.445 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 03:16:34.445 INFO kablam! 
Nov 01 03:16:34.475 INFO kablam! warning: unused variable: `err`
Nov 01 03:16:34.475 INFO kablam!   --> src/main.rs:45:17
Nov 01 03:16:34.475 INFO kablam!    |
Nov 01 03:16:34.475 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 01 03:16:34.475 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 01 03:16:34.475 INFO kablam!    |
Nov 01 03:16:34.475 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:16:34.475 INFO kablam! 
Nov 01 03:16:34.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:34.491 INFO kablam!   --> src/main.rs:78:5
Nov 01 03:16:34.491 INFO kablam!    |
Nov 01 03:16:34.491 INFO kablam! 78 |     stdout.flush();
Nov 01 03:16:34.491 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 03:16:34.491 INFO kablam!    |
Nov 01 03:16:34.491 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:16:34.491 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:34.491 INFO kablam! 
Nov 01 03:16:34.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:34.491 INFO kablam!   --> src/main.rs:87:9
Nov 01 03:16:34.491 INFO kablam!    |
Nov 01 03:16:34.491 INFO kablam! 87 |         stdout.flush();
Nov 01 03:16:34.491 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 01 03:16:34.492 INFO kablam!    |
Nov 01 03:16:34.492 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:34.492 INFO kablam! 
Nov 01 03:16:34.508 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Nov 01 03:16:34.508 INFO kablam! su: No module specific data is present
Nov 01 03:16:34.782 INFO running `"docker" "rm" "-f" "450372d3558c52b055c50eb281dcdd44fbfa35db968677279aee0b0077d97e0b"`
Nov 01 03:16:34.862 INFO blam! 450372d3558c52b055c50eb281dcdd44fbfa35db968677279aee0b0077d97e0b