Dec 11 09:55:21.121 INFO checking sdiguana/RustVendingMachine against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 09:55:21.121 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 09:55:21.700 INFO [stdout] 9f7b9df95b83ac8a01eedf0035c1f3d12b6eacbabbf3a13569b872fa1f3bc11c
Dec 11 09:55:21.706 INFO running `"docker" "start" "-a" "9f7b9df95b83ac8a01eedf0035c1f3d12b6eacbabbf3a13569b872fa1f3bc11c"`
Dec 11 09:55:23.014 INFO [stderr] usermod: no changes
Dec 11 09:55:23.084 INFO [stderr]     Checking vending_machine v0.1.0 (/source)
Dec 11 09:55:23.645 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.645 INFO [stderr]   --> src/main.rs:69:9
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 11 09:55:23.645 INFO [stderr]    |         ----^^^^^^
Dec 11 09:55:23.645 INFO [stderr]    |         |
Dec 11 09:55:23.645 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:55:23.645 INFO [stderr] 
Dec 11 09:55:23.645 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.645 INFO [stderr]   --> src/main.rs:70:9
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 11 09:55:23.645 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 09:55:23.645 INFO [stderr]    |         |
Dec 11 09:55:23.645 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.645 INFO [stderr] 
Dec 11 09:55:23.645 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.645 INFO [stderr]   --> src/main.rs:71:9
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 11 09:55:23.645 INFO [stderr]    |         ----^^^^^
Dec 11 09:55:23.645 INFO [stderr]    |         |
Dec 11 09:55:23.645 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.645 INFO [stderr] 
Dec 11 09:55:23.645 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.645 INFO [stderr]   --> src/main.rs:72:9
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 11 09:55:23.645 INFO [stderr]    |         ----^^^^^
Dec 11 09:55:23.645 INFO [stderr]    |         |
Dec 11 09:55:23.645 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.645 INFO [stderr] 
Dec 11 09:55:23.645 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.645 INFO [stderr]   --> src/main.rs:74:9
Dec 11 09:55:23.645 INFO [stderr]    |
Dec 11 09:55:23.645 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 11 09:55:23.645 INFO [stderr]    |         ----^^^^^^^^
Dec 11 09:55:23.645 INFO [stderr]    |         |
Dec 11 09:55:23.645 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.645 INFO [stderr] 
Dec 11 09:55:23.677 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.677 INFO [stderr]    --> src/main.rs:195:17
Dec 11 09:55:23.677 INFO [stderr]     |
Dec 11 09:55:23.677 INFO [stderr] 195 |             let mut c = read_line();
Dec 11 09:55:23.677 INFO [stderr]     |                 ----^
Dec 11 09:55:23.677 INFO [stderr]     |                 |
Dec 11 09:55:23.677 INFO [stderr]     |                 help: remove this `mut`
Dec 11 09:55:23.677 INFO [stderr] 
Dec 11 09:55:23.677 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.677 INFO [stderr]    --> src/main.rs:200:17
Dec 11 09:55:23.677 INFO [stderr]     |
Dec 11 09:55:23.677 INFO [stderr] 200 |             let mut q = read_line();
Dec 11 09:55:23.677 INFO [stderr]     |                 ----^
Dec 11 09:55:23.677 INFO [stderr]     |                 |
Dec 11 09:55:23.677 INFO [stderr]     |                 help: remove this `mut`
Dec 11 09:55:23.677 INFO [stderr] 
Dec 11 09:55:23.677 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 11 09:55:23.677 INFO [stderr]   --> src/main.rs:53:5
Dec 11 09:55:23.677 INFO [stderr]    |
Dec 11 09:55:23.677 INFO [stderr] 53 |     UserCredit: f32
Dec 11 09:55:23.677 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 09:55:23.677 INFO [stderr]    |
Dec 11 09:55:23.677 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 11 09:55:23.677 INFO [stderr] 
Dec 11 09:55:23.683 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.683 INFO [stderr]   --> src/main.rs:69:9
Dec 11 09:55:23.683 INFO [stderr]    |
Dec 11 09:55:23.683 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 11 09:55:23.683 INFO [stderr]    |         ----^^^^^^
Dec 11 09:55:23.683 INFO [stderr]    |         |
Dec 11 09:55:23.683 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.683 INFO [stderr]    |
Dec 11 09:55:23.683 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 09:55:23.683 INFO [stderr] 
Dec 11 09:55:23.683 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.683 INFO [stderr]   --> src/main.rs:70:9
Dec 11 09:55:23.683 INFO [stderr]    |
Dec 11 09:55:23.683 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 11 09:55:23.683 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 11 09:55:23.683 INFO [stderr]    |         |
Dec 11 09:55:23.683 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.683 INFO [stderr] 
Dec 11 09:55:23.683 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.683 INFO [stderr]   --> src/main.rs:71:9
Dec 11 09:55:23.683 INFO [stderr]    |
Dec 11 09:55:23.683 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 11 09:55:23.683 INFO [stderr]    |         ----^^^^^
Dec 11 09:55:23.683 INFO [stderr]    |         |
Dec 11 09:55:23.683 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.684 INFO [stderr] 
Dec 11 09:55:23.684 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.684 INFO [stderr]   --> src/main.rs:72:9
Dec 11 09:55:23.684 INFO [stderr]    |
Dec 11 09:55:23.684 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 11 09:55:23.684 INFO [stderr]    |         ----^^^^^
Dec 11 09:55:23.684 INFO [stderr]    |         |
Dec 11 09:55:23.684 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.684 INFO [stderr] 
Dec 11 09:55:23.684 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.684 INFO [stderr]   --> src/main.rs:74:9
Dec 11 09:55:23.684 INFO [stderr]    |
Dec 11 09:55:23.684 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 11 09:55:23.684 INFO [stderr]    |         ----^^^^^^^^
Dec 11 09:55:23.684 INFO [stderr]    |         |
Dec 11 09:55:23.684 INFO [stderr]    |         help: remove this `mut`
Dec 11 09:55:23.684 INFO [stderr] 
Dec 11 09:55:23.688 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 11 09:55:23.688 INFO [stderr]    --> src/main.rs:121:9
Dec 11 09:55:23.688 INFO [stderr]     |
Dec 11 09:55:23.688 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 11 09:55:23.688 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 11 09:55:23.688 INFO [stderr] 
Dec 11 09:55:23.740 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.740 INFO [stderr]    --> src/main.rs:195:17
Dec 11 09:55:23.740 INFO [stderr]     |
Dec 11 09:55:23.740 INFO [stderr] 195 |             let mut c = read_line();
Dec 11 09:55:23.740 INFO [stderr]     |                 ----^
Dec 11 09:55:23.740 INFO [stderr]     |                 |
Dec 11 09:55:23.741 INFO [stderr]     |                 help: remove this `mut`
Dec 11 09:55:23.741 INFO [stderr] 
Dec 11 09:55:23.741 INFO [stderr] warning: variable does not need to be mutable
Dec 11 09:55:23.741 INFO [stderr]    --> src/main.rs:200:17
Dec 11 09:55:23.741 INFO [stderr]     |
Dec 11 09:55:23.741 INFO [stderr] 200 |             let mut q = read_line();
Dec 11 09:55:23.741 INFO [stderr]     |                 ----^
Dec 11 09:55:23.741 INFO [stderr]     |                 |
Dec 11 09:55:23.741 INFO [stderr]     |                 help: remove this `mut`
Dec 11 09:55:23.741 INFO [stderr] 
Dec 11 09:55:23.741 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 11 09:55:23.741 INFO [stderr]   --> src/main.rs:53:5
Dec 11 09:55:23.741 INFO [stderr]    |
Dec 11 09:55:23.741 INFO [stderr] 53 |     UserCredit: f32
Dec 11 09:55:23.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 09:55:23.741 INFO [stderr]    |
Dec 11 09:55:23.741 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 11 09:55:23.741 INFO [stderr] 
Dec 11 09:55:23.751 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 11 09:55:23.756 INFO [stderr]    --> src/main.rs:121:9
Dec 11 09:55:23.756 INFO [stderr]     |
Dec 11 09:55:23.756 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 11 09:55:23.756 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 11 09:55:23.756 INFO [stderr] 
Dec 11 09:55:23.778 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 11 09:55:23.780 INFO [stderr] su: No module specific data is present
Dec 11 09:55:24.539 INFO running `"docker" "inspect" "9f7b9df95b83ac8a01eedf0035c1f3d12b6eacbabbf3a13569b872fa1f3bc11c"`
Dec 11 09:55:24.882 INFO running `"docker" "rm" "-f" "9f7b9df95b83ac8a01eedf0035c1f3d12b6eacbabbf3a13569b872fa1f3bc11c"`
Dec 11 09:55:25.151 INFO [stdout] 9f7b9df95b83ac8a01eedf0035c1f3d12b6eacbabbf3a13569b872fa1f3bc11c