Dec 17 15:52:03.991 INFO checking sdiguana/RustVendingMachine against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:52:03.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/sdiguana/RustVendingMachine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:52:04.458 INFO [stdout] 2a141c544f5aba2d8e119341f31ba3aa5086f5bc42c8c3b5702c2db1aaad76d5
Dec 17 15:52:04.460 INFO running `"docker" "start" "-a" "2a141c544f5aba2d8e119341f31ba3aa5086f5bc42c8c3b5702c2db1aaad76d5"`
Dec 17 15:52:06.244 INFO [stderr]     Checking vending_machine v0.1.0 (/opt/crater/workdir)
Dec 17 15:52:06.503 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.503 INFO [stderr]   --> src/main.rs:69:9
Dec 17 15:52:06.503 INFO [stderr]    |
Dec 17 15:52:06.503 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 17 15:52:06.503 INFO [stderr]    |         ----^^^^^^
Dec 17 15:52:06.503 INFO [stderr]    |         |
Dec 17 15:52:06.503 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:70:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:71:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:72:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:74:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:69:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:70:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:71:9
Dec 17 15:52:06.504 INFO [stderr]    |
Dec 17 15:52:06.504 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 17 15:52:06.504 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:06.504 INFO [stderr]    |         |
Dec 17 15:52:06.504 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.504 INFO [stderr] 
Dec 17 15:52:06.504 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.504 INFO [stderr]   --> src/main.rs:72:9
Dec 17 15:52:06.505 INFO [stderr]    |
Dec 17 15:52:06.505 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 17 15:52:06.505 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:06.505 INFO [stderr]    |         |
Dec 17 15:52:06.505 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.505 INFO [stderr] 
Dec 17 15:52:06.505 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.505 INFO [stderr]   --> src/main.rs:74:9
Dec 17 15:52:06.505 INFO [stderr]    |
Dec 17 15:52:06.505 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 17 15:52:06.505 INFO [stderr]    |         ----^^^^^^^^
Dec 17 15:52:06.505 INFO [stderr]    |         |
Dec 17 15:52:06.505 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:06.505 INFO [stderr] 
Dec 17 15:52:06.514 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.514 INFO [stderr]    --> src/main.rs:195:17
Dec 17 15:52:06.514 INFO [stderr]     |
Dec 17 15:52:06.514 INFO [stderr] 195 |             let mut c = read_line();
Dec 17 15:52:06.514 INFO [stderr]     |                 ----^
Dec 17 15:52:06.514 INFO [stderr]     |                 |
Dec 17 15:52:06.514 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:06.514 INFO [stderr] 
Dec 17 15:52:06.514 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.514 INFO [stderr]    --> src/main.rs:200:17
Dec 17 15:52:06.514 INFO [stderr]     |
Dec 17 15:52:06.514 INFO [stderr] 200 |             let mut q = read_line();
Dec 17 15:52:06.514 INFO [stderr]     |                 ----^
Dec 17 15:52:06.514 INFO [stderr]     |                 |
Dec 17 15:52:06.514 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:06.514 INFO [stderr] 
Dec 17 15:52:06.514 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 17 15:52:06.514 INFO [stderr]   --> src/main.rs:53:5
Dec 17 15:52:06.514 INFO [stderr]    |
Dec 17 15:52:06.514 INFO [stderr] 53 |     UserCredit: f32
Dec 17 15:52:06.514 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 15:52:06.514 INFO [stderr]    |
Dec 17 15:52:06.514 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:52:06.514 INFO [stderr] 
Dec 17 15:52:06.522 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 17 15:52:06.522 INFO [stderr]    --> src/main.rs:121:9
Dec 17 15:52:06.522 INFO [stderr]     |
Dec 17 15:52:06.522 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 17 15:52:06.522 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 15:52:06.522 INFO [stderr] 
Dec 17 15:52:06.523 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.523 INFO [stderr]    --> src/main.rs:195:17
Dec 17 15:52:06.523 INFO [stderr]     |
Dec 17 15:52:06.523 INFO [stderr] 195 |             let mut c = read_line();
Dec 17 15:52:06.523 INFO [stderr]     |                 ----^
Dec 17 15:52:06.523 INFO [stderr]     |                 |
Dec 17 15:52:06.523 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:06.523 INFO [stderr] 
Dec 17 15:52:06.523 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:06.523 INFO [stderr]    --> src/main.rs:200:17
Dec 17 15:52:06.523 INFO [stderr]     |
Dec 17 15:52:06.523 INFO [stderr] 200 |             let mut q = read_line();
Dec 17 15:52:06.523 INFO [stderr]     |                 ----^
Dec 17 15:52:06.523 INFO [stderr]     |                 |
Dec 17 15:52:06.523 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:06.523 INFO [stderr] 
Dec 17 15:52:06.524 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 17 15:52:06.524 INFO [stderr]   --> src/main.rs:53:5
Dec 17 15:52:06.524 INFO [stderr]    |
Dec 17 15:52:06.524 INFO [stderr] 53 |     UserCredit: f32
Dec 17 15:52:06.524 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 15:52:06.524 INFO [stderr]    |
Dec 17 15:52:06.524 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:52:06.524 INFO [stderr] 
Dec 17 15:52:06.532 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 17 15:52:06.532 INFO [stderr]    --> src/main.rs:121:9
Dec 17 15:52:06.532 INFO [stderr]     |
Dec 17 15:52:06.532 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 17 15:52:06.532 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 15:52:06.532 INFO [stderr] 
Dec 17 15:52:06.570 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Dec 17 15:52:06.989 INFO running `"docker" "inspect" "2a141c544f5aba2d8e119341f31ba3aa5086f5bc42c8c3b5702c2db1aaad76d5"`
Dec 17 15:52:07.269 INFO running `"docker" "rm" "-f" "2a141c544f5aba2d8e119341f31ba3aa5086f5bc42c8c3b5702c2db1aaad76d5"`
Dec 17 15:52:07.501 INFO [stdout] 2a141c544f5aba2d8e119341f31ba3aa5086f5bc42c8c3b5702c2db1aaad76d5