Dec 11 17:27:21.914 INFO checking hgallagher1993/Calculator against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:27:21.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 17:27:22.222 INFO [stdout] 34fb0b48f382032e6d63b1a439bdb55dfe1fb25e452e5560ae1067dbef94b744
Dec 11 17:27:22.224 INFO running `"docker" "start" "-a" "34fb0b48f382032e6d63b1a439bdb55dfe1fb25e452e5560ae1067dbef94b744"`
Dec 11 17:27:23.128 INFO [stderr] usermod: no changes
Dec 11 17:27:23.204 INFO [stderr] warning: path `/source/src/Calculator.rs` was erroneously implicitly accepted for binary `Calculator`,
Dec 11 17:27:23.204 INFO [stderr] please set bin.path in Cargo.toml
Dec 11 17:27:23.212 INFO [stderr]     Checking Calculator v0.0.1 (/source)
Dec 11 17:27:23.836 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 17:27:23.836 INFO [stderr]   --> src/Calculator.rs:20:9
Dec 11 17:27:23.836 INFO [stderr]    |
Dec 11 17:27:23.836 INFO [stderr] 20 |       if(flag == false)
Dec 11 17:27:23.836 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 17:27:23.836 INFO [stderr]    |
Dec 11 17:27:23.836 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 17:27:23.836 INFO [stderr] 
Dec 11 17:27:23.836 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 17:27:23.836 INFO [stderr]   --> src/Calculator.rs:32:9
Dec 11 17:27:23.836 INFO [stderr]    |
Dec 11 17:27:23.836 INFO [stderr] 32 |       if(operator == '=')
Dec 11 17:27:23.836 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 17:27:23.836 INFO [stderr] 
Dec 11 17:27:23.872 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 17:27:23.872 INFO [stderr]   --> src/Calculator.rs:20:9
Dec 11 17:27:23.872 INFO [stderr]    |
Dec 11 17:27:23.872 INFO [stderr] 20 |       if(flag == false)
Dec 11 17:27:23.872 INFO [stderr]    |         ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 17:27:23.872 INFO [stderr]    |
Dec 11 17:27:23.872 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 17:27:23.872 INFO [stderr] 
Dec 11 17:27:23.872 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 11 17:27:23.872 INFO [stderr]   --> src/Calculator.rs:32:9
Dec 11 17:27:23.872 INFO [stderr]    |
Dec 11 17:27:23.872 INFO [stderr] 32 |       if(operator == '=')
Dec 11 17:27:23.872 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 17:27:23.872 INFO [stderr] 
Dec 11 17:27:23.885 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:27:23.885 INFO [stderr]   --> src/Calculator.rs:73:8
Dec 11 17:27:23.885 INFO [stderr]    |
Dec 11 17:27:23.885 INFO [stderr] 73 |    let mut operator: char = operator_string.chars()
Dec 11 17:27:23.885 INFO [stderr]    |        ----^^^^^^^^
Dec 11 17:27:23.885 INFO [stderr]    |        |
Dec 11 17:27:23.885 INFO [stderr]    |        help: remove this `mut`
Dec 11 17:27:23.885 INFO [stderr]    |
Dec 11 17:27:23.885 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:27:23.885 INFO [stderr] 
Dec 11 17:27:23.885 INFO [stderr] warning: crate `Calculator` should have a snake case name such as `calculator`
Dec 11 17:27:23.885 INFO [stderr]   |
Dec 11 17:27:23.885 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 17:27:23.885 INFO [stderr] 
Dec 11 17:27:23.902 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:27:23.902 INFO [stderr]   --> src/Calculator.rs:73:8
Dec 11 17:27:23.902 INFO [stderr]    |
Dec 11 17:27:23.903 INFO [stderr] 73 |    let mut operator: char = operator_string.chars()
Dec 11 17:27:23.903 INFO [stderr]    |        ----^^^^^^^^
Dec 11 17:27:23.903 INFO [stderr]    |        |
Dec 11 17:27:23.903 INFO [stderr]    |        help: remove this `mut`
Dec 11 17:27:23.904 INFO [stderr]    |
Dec 11 17:27:23.905 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:27:23.905 INFO [stderr] 
Dec 11 17:27:23.906 INFO [stderr] warning: crate `Calculator` should have a snake case name such as `calculator`
Dec 11 17:27:23.906 INFO [stderr]   |
Dec 11 17:27:23.907 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 11 17:27:23.907 INFO [stderr] 
Dec 11 17:27:23.941 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 11 17:27:23.943 INFO [stderr] su: No module specific data is present
Dec 11 17:27:24.550 INFO running `"docker" "inspect" "34fb0b48f382032e6d63b1a439bdb55dfe1fb25e452e5560ae1067dbef94b744"`
Dec 11 17:27:24.701 INFO running `"docker" "rm" "-f" "34fb0b48f382032e6d63b1a439bdb55dfe1fb25e452e5560ae1067dbef94b744"`
Dec 11 17:27:24.835 INFO [stdout] 34fb0b48f382032e6d63b1a439bdb55dfe1fb25e452e5560ae1067dbef94b744