Dec 19 09:12:25.779 INFO checking sdiguana/RustVendingMachine against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:12:25.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:12:26.164 INFO [stdout] cf4fdd00dd092c0f4700b4eb3077a861add8c03b4490ff2a978620f7614d8f23
Dec 19 09:12:26.170 INFO running `"docker" "start" "-a" "cf4fdd00dd092c0f4700b4eb3077a861add8c03b4490ff2a978620f7614d8f23"`
Dec 19 09:12:28.486 INFO [stderr]     Checking vending_machine v0.1.0 (/opt/crater/workdir)
Dec 19 09:12:28.880 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.880 INFO [stderr]   --> src/main.rs:69:9
Dec 19 09:12:28.880 INFO [stderr]    |
Dec 19 09:12:28.880 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 19 09:12:28.880 INFO [stderr]    |         ----^^^^^^
Dec 19 09:12:28.880 INFO [stderr]    |         |
Dec 19 09:12:28.880 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.880 INFO [stderr]    |
Dec 19 09:12:28.880 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:12:28.880 INFO [stderr] 
Dec 19 09:12:28.880 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.880 INFO [stderr]   --> src/main.rs:70:9
Dec 19 09:12:28.880 INFO [stderr]    |
Dec 19 09:12:28.880 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 19 09:12:28.880 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 09:12:28.880 INFO [stderr]    |         |
Dec 19 09:12:28.880 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.880 INFO [stderr] 
Dec 19 09:12:28.881 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.881 INFO [stderr]   --> src/main.rs:71:9
Dec 19 09:12:28.881 INFO [stderr]    |
Dec 19 09:12:28.881 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 19 09:12:28.881 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.881 INFO [stderr]    |         |
Dec 19 09:12:28.881 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.881 INFO [stderr] 
Dec 19 09:12:28.881 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.881 INFO [stderr]   --> src/main.rs:72:9
Dec 19 09:12:28.881 INFO [stderr]    |
Dec 19 09:12:28.881 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 19 09:12:28.881 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.881 INFO [stderr]    |         |
Dec 19 09:12:28.881 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.881 INFO [stderr] 
Dec 19 09:12:28.881 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.881 INFO [stderr]   --> src/main.rs:74:9
Dec 19 09:12:28.881 INFO [stderr]    |
Dec 19 09:12:28.881 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 19 09:12:28.881 INFO [stderr]    |         ----^^^^^^^^
Dec 19 09:12:28.881 INFO [stderr]    |         |
Dec 19 09:12:28.881 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.881 INFO [stderr] 
Dec 19 09:12:28.888 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.888 INFO [stderr]    --> src/main.rs:195:17
Dec 19 09:12:28.888 INFO [stderr]     |
Dec 19 09:12:28.888 INFO [stderr] 195 |             let mut c = read_line();
Dec 19 09:12:28.888 INFO [stderr]     |                 ----^
Dec 19 09:12:28.888 INFO [stderr]     |                 |
Dec 19 09:12:28.888 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.888 INFO [stderr] 
Dec 19 09:12:28.888 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.888 INFO [stderr]    --> src/main.rs:200:17
Dec 19 09:12:28.888 INFO [stderr]     |
Dec 19 09:12:28.888 INFO [stderr] 200 |             let mut q = read_line();
Dec 19 09:12:28.888 INFO [stderr]     |                 ----^
Dec 19 09:12:28.888 INFO [stderr]     |                 |
Dec 19 09:12:28.888 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.888 INFO [stderr] 
Dec 19 09:12:28.892 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 19 09:12:28.892 INFO [stderr]   --> src/main.rs:53:5
Dec 19 09:12:28.892 INFO [stderr]    |
Dec 19 09:12:28.892 INFO [stderr] 53 |     UserCredit: f32
Dec 19 09:12:28.892 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:12:28.892 INFO [stderr]    |
Dec 19 09:12:28.892 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 09:12:28.892 INFO [stderr] 
Dec 19 09:12:28.904 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 19 09:12:28.904 INFO [stderr]    --> src/main.rs:121:9
Dec 19 09:12:28.904 INFO [stderr]     |
Dec 19 09:12:28.904 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 19 09:12:28.904 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 09:12:28.904 INFO [stderr] 
Dec 19 09:12:28.904 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.904 INFO [stderr]   --> src/main.rs:69:9
Dec 19 09:12:28.904 INFO [stderr]    |
Dec 19 09:12:28.904 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 19 09:12:28.904 INFO [stderr]    |         ----^^^^^^
Dec 19 09:12:28.904 INFO [stderr]    |         |
Dec 19 09:12:28.904 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.904 INFO [stderr]    |
Dec 19 09:12:28.904 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:12:28.904 INFO [stderr] 
Dec 19 09:12:28.905 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.905 INFO [stderr]   --> src/main.rs:70:9
Dec 19 09:12:28.905 INFO [stderr]    |
Dec 19 09:12:28.905 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 19 09:12:28.905 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 09:12:28.905 INFO [stderr]    |         |
Dec 19 09:12:28.905 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.905 INFO [stderr] 
Dec 19 09:12:28.905 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.905 INFO [stderr]   --> src/main.rs:71:9
Dec 19 09:12:28.905 INFO [stderr]    |
Dec 19 09:12:28.905 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 19 09:12:28.905 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.905 INFO [stderr]    |         |
Dec 19 09:12:28.905 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.905 INFO [stderr] 
Dec 19 09:12:28.905 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.905 INFO [stderr]   --> src/main.rs:72:9
Dec 19 09:12:28.905 INFO [stderr]    |
Dec 19 09:12:28.905 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 19 09:12:28.905 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.905 INFO [stderr]    |         |
Dec 19 09:12:28.905 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.905 INFO [stderr] 
Dec 19 09:12:28.905 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.905 INFO [stderr]   --> src/main.rs:74:9
Dec 19 09:12:28.905 INFO [stderr]    |
Dec 19 09:12:28.905 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 19 09:12:28.905 INFO [stderr]    |         ----^^^^^^^^
Dec 19 09:12:28.905 INFO [stderr]    |         |
Dec 19 09:12:28.905 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.905 INFO [stderr] 
Dec 19 09:12:28.964 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.964 INFO [stderr]    --> src/main.rs:195:17
Dec 19 09:12:28.964 INFO [stderr]     |
Dec 19 09:12:28.964 INFO [stderr] 195 |             let mut c = read_line();
Dec 19 09:12:28.964 INFO [stderr]     |                 ----^
Dec 19 09:12:28.964 INFO [stderr]     |                 |
Dec 19 09:12:28.964 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.964 INFO [stderr] 
Dec 19 09:12:28.964 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.964 INFO [stderr]    --> src/main.rs:200:17
Dec 19 09:12:28.964 INFO [stderr]     |
Dec 19 09:12:28.964 INFO [stderr] 200 |             let mut q = read_line();
Dec 19 09:12:28.964 INFO [stderr]     |                 ----^
Dec 19 09:12:28.964 INFO [stderr]     |                 |
Dec 19 09:12:28.964 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.964 INFO [stderr] 
Dec 19 09:12:28.964 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 19 09:12:28.964 INFO [stderr]   --> src/main.rs:53:5
Dec 19 09:12:28.964 INFO [stderr]    |
Dec 19 09:12:28.964 INFO [stderr] 53 |     UserCredit: f32
Dec 19 09:12:28.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:12:28.964 INFO [stderr]    |
Dec 19 09:12:28.964 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 09:12:28.964 INFO [stderr] 
Dec 19 09:12:28.976 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 19 09:12:28.976 INFO [stderr]    --> src/main.rs:121:9
Dec 19 09:12:28.976 INFO [stderr]     |
Dec 19 09:12:28.976 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 19 09:12:28.976 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 09:12:28.976 INFO [stderr] 
Dec 19 09:12:29.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 19 09:12:30.126 INFO running `"docker" "inspect" "cf4fdd00dd092c0f4700b4eb3077a861add8c03b4490ff2a978620f7614d8f23"`
Dec 19 09:12:30.422 INFO running `"docker" "rm" "-f" "cf4fdd00dd092c0f4700b4eb3077a861add8c03b4490ff2a978620f7614d8f23"`
Dec 19 09:12:30.738 INFO [stdout] cf4fdd00dd092c0f4700b4eb3077a861add8c03b4490ff2a978620f7614d8f23