Dec 04 10:34:45.040 INFO checking sdiguana/RustVendingMachine against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:34:45.040 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 10:34:45.520 INFO [stdout] 0926064e4623f668b9cfec2e2f8d74932f1fc66fb927e664a91eb533b62f9a41
Dec 04 10:34:45.524 INFO running `"docker" "start" "-a" "0926064e4623f668b9cfec2e2f8d74932f1fc66fb927e664a91eb533b62f9a41"`
Dec 04 10:34:47.135 INFO [stderr] usermod: no changes
Dec 04 10:34:47.199 INFO [stderr]     Checking vending_machine v0.1.0 (/source)
Dec 04 10:34:47.667 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.668 INFO [stderr]   --> src/main.rs:69:9
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 04 10:34:47.668 INFO [stderr]    |         ----^^^^^^
Dec 04 10:34:47.668 INFO [stderr]    |         |
Dec 04 10:34:47.668 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:34:47.668 INFO [stderr] 
Dec 04 10:34:47.668 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.668 INFO [stderr]   --> src/main.rs:70:9
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 04 10:34:47.668 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 04 10:34:47.668 INFO [stderr]    |         |
Dec 04 10:34:47.668 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.668 INFO [stderr] 
Dec 04 10:34:47.668 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.668 INFO [stderr]   --> src/main.rs:71:9
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 04 10:34:47.668 INFO [stderr]    |         ----^^^^^
Dec 04 10:34:47.668 INFO [stderr]    |         |
Dec 04 10:34:47.668 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.668 INFO [stderr] 
Dec 04 10:34:47.668 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.668 INFO [stderr]   --> src/main.rs:72:9
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 04 10:34:47.668 INFO [stderr]    |         ----^^^^^
Dec 04 10:34:47.668 INFO [stderr]    |         |
Dec 04 10:34:47.668 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.668 INFO [stderr] 
Dec 04 10:34:47.668 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.668 INFO [stderr]   --> src/main.rs:74:9
Dec 04 10:34:47.668 INFO [stderr]    |
Dec 04 10:34:47.668 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 04 10:34:47.668 INFO [stderr]    |         ----^^^^^^^^
Dec 04 10:34:47.668 INFO [stderr]    |         |
Dec 04 10:34:47.668 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.668 INFO [stderr] 
Dec 04 10:34:47.703 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.703 INFO [stderr]    --> src/main.rs:195:17
Dec 04 10:34:47.703 INFO [stderr]     |
Dec 04 10:34:47.703 INFO [stderr] 195 |             let mut c = read_line();
Dec 04 10:34:47.703 INFO [stderr]     |                 ----^
Dec 04 10:34:47.703 INFO [stderr]     |                 |
Dec 04 10:34:47.703 INFO [stderr]     |                 help: remove this `mut`
Dec 04 10:34:47.703 INFO [stderr] 
Dec 04 10:34:47.703 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.703 INFO [stderr]    --> src/main.rs:200:17
Dec 04 10:34:47.703 INFO [stderr]     |
Dec 04 10:34:47.703 INFO [stderr] 200 |             let mut q = read_line();
Dec 04 10:34:47.703 INFO [stderr]     |                 ----^
Dec 04 10:34:47.703 INFO [stderr]     |                 |
Dec 04 10:34:47.703 INFO [stderr]     |                 help: remove this `mut`
Dec 04 10:34:47.703 INFO [stderr] 
Dec 04 10:34:47.703 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 04 10:34:47.703 INFO [stderr]   --> src/main.rs:53:5
Dec 04 10:34:47.703 INFO [stderr]    |
Dec 04 10:34:47.703 INFO [stderr] 53 |     UserCredit: f32
Dec 04 10:34:47.703 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 10:34:47.703 INFO [stderr]    |
Dec 04 10:34:47.703 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 10:34:47.703 INFO [stderr] 
Dec 04 10:34:47.723 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 04 10:34:47.723 INFO [stderr]    --> src/main.rs:121:9
Dec 04 10:34:47.723 INFO [stderr]     |
Dec 04 10:34:47.723 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 04 10:34:47.723 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 10:34:47.723 INFO [stderr] 
Dec 04 10:34:47.871 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.871 INFO [stderr]   --> src/main.rs:69:9
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 04 10:34:47.871 INFO [stderr]    |         ----^^^^^^
Dec 04 10:34:47.871 INFO [stderr]    |         |
Dec 04 10:34:47.871 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:34:47.871 INFO [stderr] 
Dec 04 10:34:47.871 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.871 INFO [stderr]   --> src/main.rs:70:9
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 04 10:34:47.871 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 04 10:34:47.871 INFO [stderr]    |         |
Dec 04 10:34:47.871 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.871 INFO [stderr] 
Dec 04 10:34:47.871 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.871 INFO [stderr]   --> src/main.rs:71:9
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 04 10:34:47.871 INFO [stderr]    |         ----^^^^^
Dec 04 10:34:47.871 INFO [stderr]    |         |
Dec 04 10:34:47.871 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.871 INFO [stderr] 
Dec 04 10:34:47.871 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.871 INFO [stderr]   --> src/main.rs:72:9
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 04 10:34:47.871 INFO [stderr]    |         ----^^^^^
Dec 04 10:34:47.871 INFO [stderr]    |         |
Dec 04 10:34:47.871 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.871 INFO [stderr] 
Dec 04 10:34:47.871 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.871 INFO [stderr]   --> src/main.rs:74:9
Dec 04 10:34:47.871 INFO [stderr]    |
Dec 04 10:34:47.871 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 04 10:34:47.871 INFO [stderr]    |         ----^^^^^^^^
Dec 04 10:34:47.871 INFO [stderr]    |         |
Dec 04 10:34:47.871 INFO [stderr]    |         help: remove this `mut`
Dec 04 10:34:47.871 INFO [stderr] 
Dec 04 10:34:47.883 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.883 INFO [stderr]    --> src/main.rs:195:17
Dec 04 10:34:47.883 INFO [stderr]     |
Dec 04 10:34:47.883 INFO [stderr] 195 |             let mut c = read_line();
Dec 04 10:34:47.883 INFO [stderr]     |                 ----^
Dec 04 10:34:47.883 INFO [stderr]     |                 |
Dec 04 10:34:47.883 INFO [stderr]     |                 help: remove this `mut`
Dec 04 10:34:47.883 INFO [stderr] 
Dec 04 10:34:47.883 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:34:47.883 INFO [stderr]    --> src/main.rs:200:17
Dec 04 10:34:47.883 INFO [stderr]     |
Dec 04 10:34:47.883 INFO [stderr] 200 |             let mut q = read_line();
Dec 04 10:34:47.883 INFO [stderr]     |                 ----^
Dec 04 10:34:47.883 INFO [stderr]     |                 |
Dec 04 10:34:47.883 INFO [stderr]     |                 help: remove this `mut`
Dec 04 10:34:47.883 INFO [stderr] 
Dec 04 10:34:47.883 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 04 10:34:47.883 INFO [stderr]   --> src/main.rs:53:5
Dec 04 10:34:47.883 INFO [stderr]    |
Dec 04 10:34:47.883 INFO [stderr] 53 |     UserCredit: f32
Dec 04 10:34:47.883 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 04 10:34:47.883 INFO [stderr]    |
Dec 04 10:34:47.883 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 10:34:47.883 INFO [stderr] 
Dec 04 10:34:47.891 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 04 10:34:47.891 INFO [stderr]    --> src/main.rs:121:9
Dec 04 10:34:47.891 INFO [stderr]     |
Dec 04 10:34:47.891 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 04 10:34:47.891 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 04 10:34:47.891 INFO [stderr] 
Dec 04 10:34:47.925 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 04 10:34:47.935 INFO [stderr] su: No module specific data is present
Dec 04 10:34:48.876 INFO running `"docker" "inspect" "0926064e4623f668b9cfec2e2f8d74932f1fc66fb927e664a91eb533b62f9a41"`
Dec 04 10:34:49.279 INFO running `"docker" "rm" "-f" "0926064e4623f668b9cfec2e2f8d74932f1fc66fb927e664a91eb533b62f9a41"`
Dec 04 10:34:49.567 INFO [stdout] 0926064e4623f668b9cfec2e2f8d74932f1fc66fb927e664a91eb533b62f9a41