Dec 17 15:52:03.261 INFO checking sdiguana/RustVendingMachine against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 15:52:03.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:52:03.676 INFO [stdout] 8019ba8e3d50dd1efeed0afbb786e466bfe420892debd7c6524592a51a2bf487
Dec 17 15:52:03.682 INFO running `"docker" "start" "-a" "8019ba8e3d50dd1efeed0afbb786e466bfe420892debd7c6524592a51a2bf487"`
Dec 17 15:52:05.408 INFO [stderr]     Checking vending_machine v0.1.0 (/opt/crater/workdir)
Dec 17 15:52:05.684 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.684 INFO [stderr]   --> src/main.rs:69:9
Dec 17 15:52:05.684 INFO [stderr]    |
Dec 17 15:52:05.684 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 17 15:52:05.684 INFO [stderr]    |         ----^^^^^^
Dec 17 15:52:05.684 INFO [stderr]    |         |
Dec 17 15:52:05.684 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.684 INFO [stderr]    |
Dec 17 15:52:05.684 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:52:05.684 INFO [stderr] 
Dec 17 15:52:05.684 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.684 INFO [stderr]   --> src/main.rs:70:9
Dec 17 15:52:05.685 INFO [stderr]    |
Dec 17 15:52:05.685 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 17 15:52:05.685 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:52:05.685 INFO [stderr]    |         |
Dec 17 15:52:05.685 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.685 INFO [stderr] 
Dec 17 15:52:05.685 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.685 INFO [stderr]   --> src/main.rs:71:9
Dec 17 15:52:05.685 INFO [stderr]    |
Dec 17 15:52:05.685 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 17 15:52:05.685 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:05.685 INFO [stderr]    |         |
Dec 17 15:52:05.685 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.685 INFO [stderr] 
Dec 17 15:52:05.685 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.685 INFO [stderr]   --> src/main.rs:72:9
Dec 17 15:52:05.685 INFO [stderr]    |
Dec 17 15:52:05.685 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 17 15:52:05.685 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:05.685 INFO [stderr]    |         |
Dec 17 15:52:05.685 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.685 INFO [stderr] 
Dec 17 15:52:05.685 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.685 INFO [stderr]   --> src/main.rs:74:9
Dec 17 15:52:05.685 INFO [stderr]    |
Dec 17 15:52:05.685 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 17 15:52:05.685 INFO [stderr]    |         ----^^^^^^^^
Dec 17 15:52:05.685 INFO [stderr]    |         |
Dec 17 15:52:05.685 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.685 INFO [stderr] 
Dec 17 15:52:05.696 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.696 INFO [stderr]    --> src/main.rs:195:17
Dec 17 15:52:05.696 INFO [stderr]     |
Dec 17 15:52:05.696 INFO [stderr] 195 |             let mut c = read_line();
Dec 17 15:52:05.696 INFO [stderr]     |                 ----^
Dec 17 15:52:05.696 INFO [stderr]     |                 |
Dec 17 15:52:05.696 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:05.696 INFO [stderr] 
Dec 17 15:52:05.696 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.696 INFO [stderr]    --> src/main.rs:200:17
Dec 17 15:52:05.696 INFO [stderr]     |
Dec 17 15:52:05.696 INFO [stderr] 200 |             let mut q = read_line();
Dec 17 15:52:05.696 INFO [stderr]     |                 ----^
Dec 17 15:52:05.696 INFO [stderr]     |                 |
Dec 17 15:52:05.696 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:05.696 INFO [stderr] 
Dec 17 15:52:05.704 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 17 15:52:05.704 INFO [stderr]   --> src/main.rs:53:5
Dec 17 15:52:05.704 INFO [stderr]    |
Dec 17 15:52:05.704 INFO [stderr] 53 |     UserCredit: f32
Dec 17 15:52:05.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 15:52:05.704 INFO [stderr]    |
Dec 17 15:52:05.704 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:52:05.704 INFO [stderr] 
Dec 17 15:52:05.708 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 17 15:52:05.708 INFO [stderr]    --> src/main.rs:121:9
Dec 17 15:52:05.708 INFO [stderr]     |
Dec 17 15:52:05.708 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 17 15:52:05.708 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 15:52:05.708 INFO [stderr] 
Dec 17 15:52:05.790 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.790 INFO [stderr]   --> src/main.rs:69:9
Dec 17 15:52:05.790 INFO [stderr]    |
Dec 17 15:52:05.790 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 17 15:52:05.790 INFO [stderr]    |         ----^^^^^^
Dec 17 15:52:05.790 INFO [stderr]    |         |
Dec 17 15:52:05.790 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.790 INFO [stderr]    |
Dec 17 15:52:05.790 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 15:52:05.790 INFO [stderr] 
Dec 17 15:52:05.790 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.790 INFO [stderr]   --> src/main.rs:70:9
Dec 17 15:52:05.790 INFO [stderr]    |
Dec 17 15:52:05.790 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 17 15:52:05.790 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 17 15:52:05.790 INFO [stderr]    |         |
Dec 17 15:52:05.790 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.790 INFO [stderr] 
Dec 17 15:52:05.790 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.791 INFO [stderr]   --> src/main.rs:71:9
Dec 17 15:52:05.791 INFO [stderr]    |
Dec 17 15:52:05.791 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 17 15:52:05.791 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:05.791 INFO [stderr]    |         |
Dec 17 15:52:05.791 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.791 INFO [stderr] 
Dec 17 15:52:05.791 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.791 INFO [stderr]   --> src/main.rs:72:9
Dec 17 15:52:05.791 INFO [stderr]    |
Dec 17 15:52:05.791 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 17 15:52:05.791 INFO [stderr]    |         ----^^^^^
Dec 17 15:52:05.791 INFO [stderr]    |         |
Dec 17 15:52:05.791 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.791 INFO [stderr] 
Dec 17 15:52:05.791 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.791 INFO [stderr]   --> src/main.rs:74:9
Dec 17 15:52:05.791 INFO [stderr]    |
Dec 17 15:52:05.791 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 17 15:52:05.791 INFO [stderr]    |         ----^^^^^^^^
Dec 17 15:52:05.791 INFO [stderr]    |         |
Dec 17 15:52:05.792 INFO [stderr]    |         help: remove this `mut`
Dec 17 15:52:05.792 INFO [stderr] 
Dec 17 15:52:05.807 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.807 INFO [stderr]    --> src/main.rs:195:17
Dec 17 15:52:05.808 INFO [stderr]     |
Dec 17 15:52:05.808 INFO [stderr] 195 |             let mut c = read_line();
Dec 17 15:52:05.808 INFO [stderr]     |                 ----^
Dec 17 15:52:05.808 INFO [stderr]     |                 |
Dec 17 15:52:05.808 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:05.808 INFO [stderr] 
Dec 17 15:52:05.808 INFO [stderr] warning: variable does not need to be mutable
Dec 17 15:52:05.808 INFO [stderr]    --> src/main.rs:200:17
Dec 17 15:52:05.808 INFO [stderr]     |
Dec 17 15:52:05.808 INFO [stderr] 200 |             let mut q = read_line();
Dec 17 15:52:05.808 INFO [stderr]     |                 ----^
Dec 17 15:52:05.808 INFO [stderr]     |                 |
Dec 17 15:52:05.808 INFO [stderr]     |                 help: remove this `mut`
Dec 17 15:52:05.808 INFO [stderr] 
Dec 17 15:52:05.808 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 17 15:52:05.808 INFO [stderr]   --> src/main.rs:53:5
Dec 17 15:52:05.808 INFO [stderr]    |
Dec 17 15:52:05.808 INFO [stderr] 53 |     UserCredit: f32
Dec 17 15:52:05.808 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 15:52:05.808 INFO [stderr]    |
Dec 17 15:52:05.809 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 15:52:05.809 INFO [stderr] 
Dec 17 15:52:05.824 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 17 15:52:05.824 INFO [stderr]    --> src/main.rs:121:9
Dec 17 15:52:05.825 INFO [stderr]     |
Dec 17 15:52:05.825 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 17 15:52:05.825 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 17 15:52:05.825 INFO [stderr] 
Dec 17 15:52:05.859 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 17 15:52:06.427 INFO running `"docker" "inspect" "8019ba8e3d50dd1efeed0afbb786e466bfe420892debd7c6524592a51a2bf487"`
Dec 17 15:52:06.636 INFO running `"docker" "rm" "-f" "8019ba8e3d50dd1efeed0afbb786e466bfe420892debd7c6524592a51a2bf487"`
Dec 17 15:52:06.768 INFO [stdout] 8019ba8e3d50dd1efeed0afbb786e466bfe420892debd7c6524592a51a2bf487