Oct 12 19:50:10.859 INFO checking jevankovich/rpncalc against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:50:10.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 19:50:11.296 INFO blam! 742f5fd387e87f9e126b93b64bbbf63e618fe475a4c1f3a584b4e116dcaefdd1
Oct 12 19:50:11.298 INFO running `"docker" "start" "-a" "742f5fd387e87f9e126b93b64bbbf63e618fe475a4c1f3a584b4e116dcaefdd1"`
Oct 12 19:50:12.794 INFO kablam! usermod: no changes
Oct 12 19:50:12.830 INFO kablam!     Checking rpncalc v0.1.0 (/source)
Oct 12 19:50:13.485 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 19:50:13.485 INFO kablam!  --> src/main.rs:4:5
Oct 12 19:50:13.485 INFO kablam!   |
Oct 12 19:50:13.485 INFO kablam! 4 | use std::collections::HashMap;
Oct 12 19:50:13.485 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:50:13.485 INFO kablam!   |
Oct 12 19:50:13.485 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:50:13.486 INFO kablam! 
Oct 12 19:50:13.486 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 19:50:13.486 INFO kablam!  --> src/main.rs:5:5
Oct 12 19:50:13.486 INFO kablam!   |
Oct 12 19:50:13.486 INFO kablam! 5 | use std::rc::Rc;
Oct 12 19:50:13.486 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 19:50:13.486 INFO kablam! 
Oct 12 19:50:13.561 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 12 19:50:13.561 INFO kablam!  --> src/main.rs:4:5
Oct 12 19:50:13.561 INFO kablam!   |
Oct 12 19:50:13.561 INFO kablam! 4 | use std::collections::HashMap;
Oct 12 19:50:13.561 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:50:13.561 INFO kablam!   |
Oct 12 19:50:13.561 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:50:13.561 INFO kablam! 
Oct 12 19:50:13.561 INFO kablam! warning: unused import: `std::rc::Rc`
Oct 12 19:50:13.561 INFO kablam!  --> src/main.rs:5:5
Oct 12 19:50:13.561 INFO kablam!   |
Oct 12 19:50:13.561 INFO kablam! 5 | use std::rc::Rc;
Oct 12 19:50:13.561 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 19:50:13.561 INFO kablam! 
Oct 12 19:50:13.621 INFO kablam! warning: unused variable: `err`
Oct 12 19:50:13.621 INFO kablam!   --> src/main.rs:45:17
Oct 12 19:50:13.621 INFO kablam!    |
Oct 12 19:50:13.622 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Oct 12 19:50:13.622 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Oct 12 19:50:13.622 INFO kablam!    |
Oct 12 19:50:13.622 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:50:13.623 INFO kablam! 
Oct 12 19:50:13.653 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:50:13.653 INFO kablam!   --> src/main.rs:78:5
Oct 12 19:50:13.653 INFO kablam!    |
Oct 12 19:50:13.654 INFO kablam! 78 |     stdout.flush();
Oct 12 19:50:13.654 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 19:50:13.654 INFO kablam!    |
Oct 12 19:50:13.654 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 19:50:13.655 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:50:13.655 INFO kablam! 
Oct 12 19:50:13.655 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:50:13.655 INFO kablam!   --> src/main.rs:87:9
Oct 12 19:50:13.656 INFO kablam!    |
Oct 12 19:50:13.656 INFO kablam! 87 |         stdout.flush();
Oct 12 19:50:13.656 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 12 19:50:13.657 INFO kablam!    |
Oct 12 19:50:13.657 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:50:13.657 INFO kablam! 
Oct 12 19:50:13.657 INFO kablam! warning: unused variable: `err`
Oct 12 19:50:13.658 INFO kablam!   --> src/main.rs:45:17
Oct 12 19:50:13.658 INFO kablam!    |
Oct 12 19:50:13.658 INFO kablam! 45 |             Err(err) => println!("Unknown word: \"{}\"", word),
Oct 12 19:50:13.659 INFO kablam!    |                 ^^^ help: consider using `_err` instead
Oct 12 19:50:13.659 INFO kablam!    |
Oct 12 19:50:13.659 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:50:13.659 INFO kablam! 
Oct 12 19:50:13.683 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:50:13.683 INFO kablam!   --> src/main.rs:78:5
Oct 12 19:50:13.683 INFO kablam!    |
Oct 12 19:50:13.683 INFO kablam! 78 |     stdout.flush();
Oct 12 19:50:13.684 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 19:50:13.684 INFO kablam!    |
Oct 12 19:50:13.684 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 19:50:13.685 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:50:13.685 INFO kablam! 
Oct 12 19:50:13.685 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 19:50:13.685 INFO kablam!   --> src/main.rs:87:9
Oct 12 19:50:13.686 INFO kablam!    |
Oct 12 19:50:13.686 INFO kablam! 87 |         stdout.flush();
Oct 12 19:50:13.686 INFO kablam!    |         ^^^^^^^^^^^^^^^
Oct 12 19:50:13.686 INFO kablam!    |
Oct 12 19:50:13.686 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 19:50:13.687 INFO kablam! 
Oct 12 19:50:13.689 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Oct 12 19:50:13.698 INFO kablam! su: No module specific data is present
Oct 12 19:50:14.460 INFO running `"docker" "rm" "-f" "742f5fd387e87f9e126b93b64bbbf63e618fe475a4c1f3a584b4e116dcaefdd1"`
Oct 12 19:50:17.532 INFO blam! 742f5fd387e87f9e126b93b64bbbf63e618fe475a4c1f3a584b4e116dcaefdd1