Nov 01 03:16:28.713 INFO checking jevankovich/rpncalc against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 03:16:28.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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"`
Nov 01 03:16:29.127 INFO blam! ecc59a50b80835c4ec6a694f948ee7f2ea7181cad5362040119181d864937a67
Nov 01 03:16:29.130 INFO running `"docker" "start" "-a" "ecc59a50b80835c4ec6a694f948ee7f2ea7181cad5362040119181d864937a67"`
Nov 01 03:16:31.260 INFO kablam! usermod: no changes
Nov 01 03:16:31.312 INFO kablam!     Checking rpncalc v0.1.0 (/source)
Nov 01 03:16:31.812 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:16:31.812 INFO kablam!  --> src/main.rs:4:5
Nov 01 03:16:31.813 INFO kablam!   |
Nov 01 03:16:31.813 INFO kablam! 4 | use std::collections::HashMap;
Nov 01 03:16:31.813 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:16:31.813 INFO kablam!   |
Nov 01 03:16:31.814 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:16:31.814 INFO kablam! 
Nov 01 03:16:31.814 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:16:31.814 INFO kablam!  --> src/main.rs:5:5
Nov 01 03:16:31.814 INFO kablam!   |
Nov 01 03:16:31.815 INFO kablam! 5 | use std::rc::Rc;
Nov 01 03:16:31.815 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 03:16:31.815 INFO kablam! 
Nov 01 03:16:31.925 INFO kablam! warning: unused variable: `err`
Nov 01 03:16:31.925 INFO kablam!   --> src/main.rs:45:17
Nov 01 03:16:31.925 INFO kablam!    |
Nov 01 03:16:31.925 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 01 03:16:31.925 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 01 03:16:31.926 INFO kablam!    |
Nov 01 03:16:31.926 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:16:31.926 INFO kablam! 
Nov 01 03:16:31.965 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:31.965 INFO kablam!   --> src/main.rs:78:5
Nov 01 03:16:31.966 INFO kablam!    |
Nov 01 03:16:31.966 INFO kablam! 78 |     stdout.flush();
Nov 01 03:16:31.966 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 03:16:31.966 INFO kablam!    |
Nov 01 03:16:31.966 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:16:31.967 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:31.967 INFO kablam! 
Nov 01 03:16:31.967 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:31.967 INFO kablam!   --> src/main.rs:87:9
Nov 01 03:16:31.968 INFO kablam!    |
Nov 01 03:16:31.968 INFO kablam! 87 |         stdout.flush();
Nov 01 03:16:31.968 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 01 03:16:31.969 INFO kablam!    |
Nov 01 03:16:31.969 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:31.969 INFO kablam! 
Nov 01 03:16:31.969 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 03:16:31.970 INFO kablam!  --> src/main.rs:4:5
Nov 01 03:16:31.970 INFO kablam!   |
Nov 01 03:16:31.970 INFO kablam! 4 | use std::collections::HashMap;
Nov 01 03:16:31.971 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:16:31.971 INFO kablam!   |
Nov 01 03:16:31.971 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:16:31.971 INFO kablam! 
Nov 01 03:16:31.972 INFO kablam! warning: unused import: `std::rc::Rc`
Nov 01 03:16:31.972 INFO kablam!  --> src/main.rs:5:5
Nov 01 03:16:31.972 INFO kablam!   |
Nov 01 03:16:31.973 INFO kablam! 5 | use std::rc::Rc;
Nov 01 03:16:31.973 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 03:16:31.973 INFO kablam! 
Nov 01 03:16:32.040 INFO kablam! warning: unused variable: `err`
Nov 01 03:16:32.041 INFO kablam!   --> src/main.rs:45:17
Nov 01 03:16:32.041 INFO kablam!    |
Nov 01 03:16:32.042 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Nov 01 03:16:32.042 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Nov 01 03:16:32.042 INFO kablam!    |
Nov 01 03:16:32.042 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:16:32.042 INFO kablam! 
Nov 01 03:16:32.066 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:32.067 INFO kablam!   --> src/main.rs:78:5
Nov 01 03:16:32.067 INFO kablam!    |
Nov 01 03:16:32.067 INFO kablam! 78 |     stdout.flush();
Nov 01 03:16:32.067 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 03:16:32.067 INFO kablam!    |
Nov 01 03:16:32.067 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:16:32.067 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:32.068 INFO kablam! 
Nov 01 03:16:32.068 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:16:32.068 INFO kablam!   --> src/main.rs:87:9
Nov 01 03:16:32.068 INFO kablam!    |
Nov 01 03:16:32.068 INFO kablam! 87 |         stdout.flush();
Nov 01 03:16:32.068 INFO kablam!    |         ^^^^^^^^^^^^^^^
Nov 01 03:16:32.068 INFO kablam!    |
Nov 01 03:16:32.068 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:16:32.068 INFO kablam! 
Nov 01 03:16:32.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Nov 01 03:16:32.088 INFO kablam! su: No module specific data is present
Nov 01 03:16:33.046 INFO running `"docker" "rm" "-f" "ecc59a50b80835c4ec6a694f948ee7f2ea7181cad5362040119181d864937a67"`
Nov 01 03:16:33.348 INFO blam! ecc59a50b80835c4ec6a694f948ee7f2ea7181cad5362040119181d864937a67