Dec 19 09:12:25.617 INFO checking sdiguana/RustVendingMachine against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:12:25.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:12:26.012 INFO [stdout] 65efe9b345152e09cd9592b05210572686d1aad79ccafd9be71c8bde21cdedf4
Dec 19 09:12:26.016 INFO running `"docker" "start" "-a" "65efe9b345152e09cd9592b05210572686d1aad79ccafd9be71c8bde21cdedf4"`
Dec 19 09:12:28.156 INFO [stderr]     Checking vending_machine v0.1.0 (/opt/crater/workdir)
Dec 19 09:12:28.448 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.448 INFO [stderr]   --> src/main.rs:69:9
Dec 19 09:12:28.448 INFO [stderr]    |
Dec 19 09:12:28.448 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 19 09:12:28.448 INFO [stderr]    |         ----^^^^^^
Dec 19 09:12:28.448 INFO [stderr]    |         |
Dec 19 09:12:28.448 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.448 INFO [stderr]    |
Dec 19 09:12:28.448 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:12:28.448 INFO [stderr] 
Dec 19 09:12:28.448 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.448 INFO [stderr]   --> src/main.rs:70:9
Dec 19 09:12:28.448 INFO [stderr]    |
Dec 19 09:12:28.448 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 19 09:12:28.448 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 09:12:28.448 INFO [stderr]    |         |
Dec 19 09:12:28.448 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.448 INFO [stderr] 
Dec 19 09:12:28.449 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.449 INFO [stderr]   --> src/main.rs:71:9
Dec 19 09:12:28.449 INFO [stderr]    |
Dec 19 09:12:28.449 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 19 09:12:28.449 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.449 INFO [stderr]    |         |
Dec 19 09:12:28.449 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.449 INFO [stderr] 
Dec 19 09:12:28.449 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.449 INFO [stderr]   --> src/main.rs:72:9
Dec 19 09:12:28.449 INFO [stderr]    |
Dec 19 09:12:28.449 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 19 09:12:28.449 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.449 INFO [stderr]    |         |
Dec 19 09:12:28.449 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.449 INFO [stderr] 
Dec 19 09:12:28.449 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.449 INFO [stderr]   --> src/main.rs:74:9
Dec 19 09:12:28.449 INFO [stderr]    |
Dec 19 09:12:28.449 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 19 09:12:28.449 INFO [stderr]    |         ----^^^^^^^^
Dec 19 09:12:28.449 INFO [stderr]    |         |
Dec 19 09:12:28.449 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.449 INFO [stderr] 
Dec 19 09:12:28.465 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.465 INFO [stderr]    --> src/main.rs:195:17
Dec 19 09:12:28.465 INFO [stderr]     |
Dec 19 09:12:28.465 INFO [stderr] 195 |             let mut c = read_line();
Dec 19 09:12:28.465 INFO [stderr]     |                 ----^
Dec 19 09:12:28.465 INFO [stderr]     |                 |
Dec 19 09:12:28.465 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.465 INFO [stderr] 
Dec 19 09:12:28.465 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.465 INFO [stderr]    --> src/main.rs:200:17
Dec 19 09:12:28.465 INFO [stderr]     |
Dec 19 09:12:28.465 INFO [stderr] 200 |             let mut q = read_line();
Dec 19 09:12:28.465 INFO [stderr]     |                 ----^
Dec 19 09:12:28.465 INFO [stderr]     |                 |
Dec 19 09:12:28.465 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.465 INFO [stderr] 
Dec 19 09:12:28.465 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 19 09:12:28.465 INFO [stderr]   --> src/main.rs:53:5
Dec 19 09:12:28.465 INFO [stderr]    |
Dec 19 09:12:28.465 INFO [stderr] 53 |     UserCredit: f32
Dec 19 09:12:28.465 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:12:28.465 INFO [stderr]    |
Dec 19 09:12:28.465 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 09:12:28.465 INFO [stderr] 
Dec 19 09:12:28.475 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 19 09:12:28.475 INFO [stderr]    --> src/main.rs:121:9
Dec 19 09:12:28.475 INFO [stderr]     |
Dec 19 09:12:28.475 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 19 09:12:28.475 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 09:12:28.475 INFO [stderr] 
Dec 19 09:12:28.596 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.596 INFO [stderr]   --> src/main.rs:69:9
Dec 19 09:12:28.596 INFO [stderr]    |
Dec 19 09:12:28.596 INFO [stderr] 69 |     let mut coffee = Item {name: String::from("coffee"), price: 1.25, stock: 3};
Dec 19 09:12:28.596 INFO [stderr]    |         ----^^^^^^
Dec 19 09:12:28.596 INFO [stderr]    |         |
Dec 19 09:12:28.596 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.596 INFO [stderr]    |
Dec 19 09:12:28.596 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 09:12:28.596 INFO [stderr] 
Dec 19 09:12:28.612 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.612 INFO [stderr]   --> src/main.rs:70:9
Dec 19 09:12:28.612 INFO [stderr]    |
Dec 19 09:12:28.612 INFO [stderr] 70 |     let mut fizzy_water = Item {name: String::from("cascade ice"), price: 1.5, stock: 5};
Dec 19 09:12:28.612 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 09:12:28.612 INFO [stderr]    |         |
Dec 19 09:12:28.612 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.612 INFO [stderr] 
Dec 19 09:12:28.612 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.613 INFO [stderr]   --> src/main.rs:71:9
Dec 19 09:12:28.613 INFO [stderr]    |
Dec 19 09:12:28.613 INFO [stderr] 71 |     let mut candy = Item {name: String::from("life savers"), price: 0.75, stock: 1};
Dec 19 09:12:28.613 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.613 INFO [stderr]    |         |
Dec 19 09:12:28.613 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.613 INFO [stderr] 
Dec 19 09:12:28.613 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.613 INFO [stderr]   --> src/main.rs:72:9
Dec 19 09:12:28.613 INFO [stderr]    |
Dec 19 09:12:28.613 INFO [stderr] 72 |     let mut mints = Item {name: String::from("mints"), price: 1.0, stock: 2};
Dec 19 09:12:28.613 INFO [stderr]    |         ----^^^^^
Dec 19 09:12:28.613 INFO [stderr]    |         |
Dec 19 09:12:28.613 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.613 INFO [stderr] 
Dec 19 09:12:28.613 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.613 INFO [stderr]   --> src/main.rs:74:9
Dec 19 09:12:28.613 INFO [stderr]    |
Dec 19 09:12:28.613 INFO [stderr] 74 |     let mut contents = vec![coffee, fizzy_water, candy, mints];
Dec 19 09:12:28.613 INFO [stderr]    |         ----^^^^^^^^
Dec 19 09:12:28.613 INFO [stderr]    |         |
Dec 19 09:12:28.613 INFO [stderr]    |         help: remove this `mut`
Dec 19 09:12:28.613 INFO [stderr] 
Dec 19 09:12:28.641 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.641 INFO [stderr]    --> src/main.rs:195:17
Dec 19 09:12:28.641 INFO [stderr]     |
Dec 19 09:12:28.641 INFO [stderr] 195 |             let mut c = read_line();
Dec 19 09:12:28.641 INFO [stderr]     |                 ----^
Dec 19 09:12:28.641 INFO [stderr]     |                 |
Dec 19 09:12:28.641 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.641 INFO [stderr] 
Dec 19 09:12:28.641 INFO [stderr] warning: variable does not need to be mutable
Dec 19 09:12:28.641 INFO [stderr]    --> src/main.rs:200:17
Dec 19 09:12:28.641 INFO [stderr]     |
Dec 19 09:12:28.641 INFO [stderr] 200 |             let mut q = read_line();
Dec 19 09:12:28.641 INFO [stderr]     |                 ----^
Dec 19 09:12:28.641 INFO [stderr]     |                 |
Dec 19 09:12:28.641 INFO [stderr]     |                 help: remove this `mut`
Dec 19 09:12:28.641 INFO [stderr] 
Dec 19 09:12:28.641 INFO [stderr] warning: structure field `UserCredit` should have a snake case name such as `user_credit`
Dec 19 09:12:28.641 INFO [stderr]   --> src/main.rs:53:5
Dec 19 09:12:28.642 INFO [stderr]    |
Dec 19 09:12:28.642 INFO [stderr] 53 |     UserCredit: f32
Dec 19 09:12:28.642 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 09:12:28.642 INFO [stderr]    |
Dec 19 09:12:28.642 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 09:12:28.642 INFO [stderr] 
Dec 19 09:12:28.653 INFO [stderr] warning: variable `isValidEntry` should have a snake case name such as `is_valid_entry`
Dec 19 09:12:28.653 INFO [stderr]    --> src/main.rs:121:9
Dec 19 09:12:28.653 INFO [stderr]     |
Dec 19 09:12:28.653 INFO [stderr] 121 |     let mut isValidEntry = false;
Dec 19 09:12:28.653 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 19 09:12:28.653 INFO [stderr] 
Dec 19 09:12:28.681 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 09:12:29.953 INFO running `"docker" "inspect" "65efe9b345152e09cd9592b05210572686d1aad79ccafd9be71c8bde21cdedf4"`
Dec 19 09:12:30.208 INFO running `"docker" "rm" "-f" "65efe9b345152e09cd9592b05210572686d1aad79ccafd9be71c8bde21cdedf4"`
Dec 19 09:12:30.464 INFO [stdout] 65efe9b345152e09cd9592b05210572686d1aad79ccafd9be71c8bde21cdedf4