Oct 12 20:43:47.429 INFO checking hgallagher1993/Calculator against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:43:47.429 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 20:43:47.885 INFO blam! b3abeffdc6d67635fcdf40e3f4683813c11140448ab8ec42a9ee553a2640b36f
Oct 12 20:43:47.887 INFO running `"docker" "start" "-a" "b3abeffdc6d67635fcdf40e3f4683813c11140448ab8ec42a9ee553a2640b36f"`
Oct 12 20:43:49.111 INFO kablam! usermod: no changes
Oct 12 20:43:49.168 INFO kablam! warning: path `/source/src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
Oct 12 20:43:49.168 INFO kablam! please set bin.path in Cargo.toml
Oct 12 20:43:49.188 INFO kablam!     Checking Calculator v0.0.1 (/source)
Oct 12 20:43:49.680 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 12 20:43:49.680 INFO kablam!   --> src/Calculator.rs:20:9
Oct 12 20:43:49.680 INFO kablam!    |
Oct 12 20:43:49.680 INFO kablam! 20 |       if(flag == false)
Oct 12 20:43:49.680 INFO kablam!    |         ^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 20:43:49.680 INFO kablam!    |
Oct 12 20:43:49.680 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 20:43:49.680 INFO kablam! 
Oct 12 20:43:49.680 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 12 20:43:49.680 INFO kablam!   --> src/Calculator.rs:32:9
Oct 12 20:43:49.680 INFO kablam!    |
Oct 12 20:43:49.680 INFO kablam! 32 |       if(operator == '=')
Oct 12 20:43:49.680 INFO kablam!    |         ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 20:43:49.680 INFO kablam! 
Oct 12 20:43:49.716 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:43:49.716 INFO kablam!   --> src/Calculator.rs:73:8
Oct 12 20:43:49.716 INFO kablam!    |
Oct 12 20:43:49.716 INFO kablam! 73 |    let mut operator: char = operator_string.chars()
Oct 12 20:43:49.716 INFO kablam!    |        ----^^^^^^^^
Oct 12 20:43:49.716 INFO kablam!    |        |
Oct 12 20:43:49.716 INFO kablam!    |        help: remove this `mut`
Oct 12 20:43:49.716 INFO kablam!    |
Oct 12 20:43:49.716 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:43:49.716 INFO kablam! 
Oct 12 20:43:49.716 INFO kablam! warning: crate `Calculator` should have a snake case name such as `calculator`
Oct 12 20:43:49.716 INFO kablam!   |
Oct 12 20:43:49.716 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 20:43:49.716 INFO kablam! 
Oct 12 20:43:49.880 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 12 20:43:49.880 INFO kablam!   --> src/Calculator.rs:20:9
Oct 12 20:43:49.880 INFO kablam!    |
Oct 12 20:43:49.880 INFO kablam! 20 |       if(flag == false)
Oct 12 20:43:49.880 INFO kablam!    |         ^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 20:43:49.880 INFO kablam!    |
Oct 12 20:43:49.880 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 20:43:49.880 INFO kablam! 
Oct 12 20:43:49.880 INFO kablam! warning: unnecessary parentheses around `if` condition
Oct 12 20:43:49.880 INFO kablam!   --> src/Calculator.rs:32:9
Oct 12 20:43:49.880 INFO kablam!    |
Oct 12 20:43:49.880 INFO kablam! 32 |       if(operator == '=')
Oct 12 20:43:49.880 INFO kablam!    |         ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 20:43:49.880 INFO kablam! 
Oct 12 20:43:49.912 INFO kablam! warning: variable does not need to be mutable
Oct 12 20:43:49.912 INFO kablam!   --> src/Calculator.rs:73:8
Oct 12 20:43:49.912 INFO kablam!    |
Oct 12 20:43:49.912 INFO kablam! 73 |    let mut operator: char = operator_string.chars()
Oct 12 20:43:49.912 INFO kablam!    |        ----^^^^^^^^
Oct 12 20:43:49.912 INFO kablam!    |        |
Oct 12 20:43:49.912 INFO kablam!    |        help: remove this `mut`
Oct 12 20:43:49.912 INFO kablam!    |
Oct 12 20:43:49.912 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 20:43:49.912 INFO kablam! 
Oct 12 20:43:49.913 INFO kablam! warning: crate `Calculator` should have a snake case name such as `calculator`
Oct 12 20:43:49.913 INFO kablam!   |
Oct 12 20:43:49.913 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 20:43:49.913 INFO kablam! 
Oct 12 20:43:49.940 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Oct 12 20:43:49.968 INFO kablam! su: No module specific data is present
Oct 12 20:43:50.300 INFO running `"docker" "rm" "-f" "b3abeffdc6d67635fcdf40e3f4683813c11140448ab8ec42a9ee553a2640b36f"`
Oct 12 20:43:50.408 INFO blam! b3abeffdc6d67635fcdf40e3f4683813c11140448ab8ec42a9ee553a2640b36f