Dec 18 08:44:14.184 INFO checking AWildBeard/cop3014-proj6-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:44:14.185 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/AWildBeard/cop3014-proj6-rust:/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 18 08:44:14.540 INFO [stdout] 17cf13214582447e245ff913e60ac4fb2d70b3a1449be147ce99e3a8b3def99f
Dec 18 08:44:14.546 INFO running `"docker" "start" "-a" "17cf13214582447e245ff913e60ac4fb2d70b3a1449be147ce99e3a8b3def99f"`
Dec 18 08:44:15.547 INFO [stderr]     Checking proj6 v0.1.0 (/opt/crater/workdir)
Dec 18 08:44:16.349 INFO [stderr] warning: unused imports: `Write`, `stdout`
Dec 18 08:44:16.349 INFO [stderr]  --> src/main.rs:1:15
Dec 18 08:44:16.349 INFO [stderr]   |
Dec 18 08:44:16.350 INFO [stderr] 1 | use std::io::{Write, stdin, stdout};
Dec 18 08:44:16.350 INFO [stderr]   |               ^^^^^         ^^^^^^
Dec 18 08:44:16.350 INFO [stderr]   |
Dec 18 08:44:16.350 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:44:16.350 INFO [stderr] 
Dec 18 08:44:16.376 INFO [stderr] warning: unused variable: `stdin`
Dec 18 08:44:16.376 INFO [stderr]   --> src/main.rs:18:13
Dec 18 08:44:16.376 INFO [stderr]    |
Dec 18 08:44:16.376 INFO [stderr] 18 |     let mut stdin = stdin();
Dec 18 08:44:16.376 INFO [stderr]    |             ^^^^^ help: consider using `_stdin` instead
Dec 18 08:44:16.376 INFO [stderr]    |
Dec 18 08:44:16.376 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:44:16.376 INFO [stderr] 
Dec 18 08:44:16.377 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:16.377 INFO [stderr]   --> src/main.rs:18:9
Dec 18 08:44:16.377 INFO [stderr]    |
Dec 18 08:44:16.377 INFO [stderr] 18 |     let mut stdin = stdin();
Dec 18 08:44:16.377 INFO [stderr]    |         ----^^^^^
Dec 18 08:44:16.377 INFO [stderr]    |         |
Dec 18 08:44:16.377 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:44:16.377 INFO [stderr]    |
Dec 18 08:44:16.377 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: struct is never constructed: `CarT`
Dec 18 08:44:16.381 INFO [stderr]  --> src/main.rs:3:1
Dec 18 08:44:16.381 INFO [stderr]   |
Dec 18 08:44:16.381 INFO [stderr] 3 | struct CarT {
Dec 18 08:44:16.381 INFO [stderr]   | ^^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr]   |
Dec 18 08:44:16.381 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: struct is never constructed: `RentalT`
Dec 18 08:44:16.381 INFO [stderr]   --> src/main.rs:11:1
Dec 18 08:44:16.381 INFO [stderr]    |
Dec 18 08:44:16.381 INFO [stderr] 11 | struct RentalT {
Dec 18 08:44:16.381 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: structure field `carId` should have a snake case name such as `car_id`
Dec 18 08:44:16.381 INFO [stderr]  --> src/main.rs:4:5
Dec 18 08:44:16.381 INFO [stderr]   |
Dec 18 08:44:16.381 INFO [stderr] 4 |     carId: u32,
Dec 18 08:44:16.381 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr]   |
Dec 18 08:44:16.381 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: structure field `numDoors` should have a snake case name such as `num_doors`
Dec 18 08:44:16.381 INFO [stderr]  --> src/main.rs:7:5
Dec 18 08:44:16.381 INFO [stderr]   |
Dec 18 08:44:16.381 INFO [stderr] 7 |     numDoors: u32,
Dec 18 08:44:16.381 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: structure field `renterName` should have a snake case name such as `renter_name`
Dec 18 08:44:16.381 INFO [stderr]   --> src/main.rs:12:5
Dec 18 08:44:16.381 INFO [stderr]    |
Dec 18 08:44:16.381 INFO [stderr] 12 |     renterName: String,
Dec 18 08:44:16.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: structure field `daysRenting` should have a snake case name such as `days_renting`
Dec 18 08:44:16.381 INFO [stderr]   --> src/main.rs:13:5
Dec 18 08:44:16.381 INFO [stderr]    |
Dec 18 08:44:16.381 INFO [stderr] 13 |     daysRenting: u32,
Dec 18 08:44:16.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.381 INFO [stderr] warning: structure field `carId` should have a snake case name such as `car_id`
Dec 18 08:44:16.381 INFO [stderr]   --> src/main.rs:14:5
Dec 18 08:44:16.381 INFO [stderr]    |
Dec 18 08:44:16.381 INFO [stderr] 14 |     carId: u32
Dec 18 08:44:16.381 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 08:44:16.381 INFO [stderr] 
Dec 18 08:44:16.478 INFO [stderr] warning: variable `MAX` should have a snake case name such as `max`
Dec 18 08:44:16.478 INFO [stderr]   --> examples/user_spec_loop.rs:12:9
Dec 18 08:44:16.478 INFO [stderr]    |
Dec 18 08:44:16.478 INFO [stderr] 12 |     let MAX: i32= buf.trim().parse().expect("Failed to parse number!");
Dec 18 08:44:16.478 INFO [stderr]    |         ^^^
Dec 18 08:44:16.478 INFO [stderr]    |
Dec 18 08:44:16.478 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 18 08:44:16.478 INFO [stderr] 
Dec 18 08:44:16.508 INFO [stderr] warning: unused imports: `Write`, `stdout`
Dec 18 08:44:16.508 INFO [stderr]  --> src/main.rs:1:15
Dec 18 08:44:16.508 INFO [stderr]   |
Dec 18 08:44:16.508 INFO [stderr] 1 | use std::io::{Write, stdin, stdout};
Dec 18 08:44:16.508 INFO [stderr]   |               ^^^^^         ^^^^^^
Dec 18 08:44:16.524 INFO [stderr]   |
Dec 18 08:44:16.524 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:44:16.524 INFO [stderr] 
Dec 18 08:44:16.578 INFO [stderr] warning: unused variable: `stdin`
Dec 18 08:44:16.578 INFO [stderr]   --> src/main.rs:18:13
Dec 18 08:44:16.578 INFO [stderr]    |
Dec 18 08:44:16.578 INFO [stderr] 18 |     let mut stdin = stdin();
Dec 18 08:44:16.578 INFO [stderr]    |             ^^^^^ help: consider using `_stdin` instead
Dec 18 08:44:16.585 INFO [stderr]    |
Dec 18 08:44:16.585 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:44:16.585 INFO [stderr] 
Dec 18 08:44:16.589 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:16.590 INFO [stderr]   --> src/main.rs:18:9
Dec 18 08:44:16.590 INFO [stderr]    |
Dec 18 08:44:16.590 INFO [stderr] 18 |     let mut stdin = stdin();
Dec 18 08:44:16.590 INFO [stderr]    |         ----^^^^^
Dec 18 08:44:16.590 INFO [stderr]    |         |
Dec 18 08:44:16.590 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:44:16.590 INFO [stderr]    |
Dec 18 08:44:16.590 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:44:16.590 INFO [stderr] 
Dec 18 08:44:16.590 INFO [stderr] warning: struct is never constructed: `CarT`
Dec 18 08:44:16.590 INFO [stderr]  --> src/main.rs:3:1
Dec 18 08:44:16.590 INFO [stderr]   |
Dec 18 08:44:16.590 INFO [stderr] 3 | struct CarT {
Dec 18 08:44:16.590 INFO [stderr]   | ^^^^^^^^^^^
Dec 18 08:44:16.590 INFO [stderr]   |
Dec 18 08:44:16.590 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 08:44:16.590 INFO [stderr] 
Dec 18 08:44:16.590 INFO [stderr] warning: struct is never constructed: `RentalT`
Dec 18 08:44:16.590 INFO [stderr]   --> src/main.rs:11:1
Dec 18 08:44:16.590 INFO [stderr]    |
Dec 18 08:44:16.590 INFO [stderr] 11 | struct RentalT {
Dec 18 08:44:16.590 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 08:44:16.591 INFO [stderr] 
Dec 18 08:44:16.591 INFO [stderr] warning: structure field `carId` should have a snake case name such as `car_id`
Dec 18 08:44:16.592 INFO [stderr]  --> src/main.rs:4:5
Dec 18 08:44:16.592 INFO [stderr]   |
Dec 18 08:44:16.592 INFO [stderr] 4 |     carId: u32,
Dec 18 08:44:16.592 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 08:44:16.592 INFO [stderr]   |
Dec 18 08:44:16.592 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 08:44:16.592 INFO [stderr] 
Dec 18 08:44:16.592 INFO [stderr] warning: structure field `numDoors` should have a snake case name such as `num_doors`
Dec 18 08:44:16.592 INFO [stderr]  --> src/main.rs:7:5
Dec 18 08:44:16.592 INFO [stderr]   |
Dec 18 08:44:16.592 INFO [stderr] 7 |     numDoors: u32,
Dec 18 08:44:16.592 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 08:44:16.592 INFO [stderr] 
Dec 18 08:44:16.592 INFO [stderr] warning: structure field `renterName` should have a snake case name such as `renter_name`
Dec 18 08:44:16.592 INFO [stderr]   --> src/main.rs:12:5
Dec 18 08:44:16.592 INFO [stderr]    |
Dec 18 08:44:16.592 INFO [stderr] 12 |     renterName: String,
Dec 18 08:44:16.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 08:44:16.592 INFO [stderr] 
Dec 18 08:44:16.592 INFO [stderr] warning: structure field `daysRenting` should have a snake case name such as `days_renting`
Dec 18 08:44:16.592 INFO [stderr]   --> src/main.rs:13:5
Dec 18 08:44:16.592 INFO [stderr]    |
Dec 18 08:44:16.592 INFO [stderr] 13 |     daysRenting: u32,
Dec 18 08:44:16.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 08:44:16.592 INFO [stderr] 
Dec 18 08:44:16.592 INFO [stderr] warning: structure field `carId` should have a snake case name such as `car_id`
Dec 18 08:44:16.592 INFO [stderr]   --> src/main.rs:14:5
Dec 18 08:44:16.592 INFO [stderr]    |
Dec 18 08:44:16.592 INFO [stderr] 14 |     carId: u32
Dec 18 08:44:16.592 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 08:44:16.592 INFO [stderr] 
Dec 18 08:44:16.730 INFO [stderr] warning: variable `integerVar` should have a snake case name such as `integer_var`
Dec 18 08:44:16.730 INFO [stderr]  --> examples/printing_primitives.rs:2:9
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr] 2 |     let integerVar: i32 = 100;
Dec 18 08:44:16.730 INFO [stderr]   |         ^^^^^^^^^^
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 08:44:16.730 INFO [stderr] 
Dec 18 08:44:16.730 INFO [stderr] warning: variable `floatingVar` should have a snake case name such as `floating_var`
Dec 18 08:44:16.730 INFO [stderr]  --> examples/printing_primitives.rs:3:9
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr] 3 |     let floatingVar: f32 = 331.79;
Dec 18 08:44:16.730 INFO [stderr]   |         ^^^^^^^^^^^
Dec 18 08:44:16.730 INFO [stderr] 
Dec 18 08:44:16.730 INFO [stderr] warning: variable `doubleVar` should have a snake case name such as `double_var`
Dec 18 08:44:16.730 INFO [stderr]  --> examples/printing_primitives.rs:4:9
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr] 4 |     let doubleVar: f64 = 8.44e-11;
Dec 18 08:44:16.730 INFO [stderr]   |         ^^^^^^^^^
Dec 18 08:44:16.730 INFO [stderr] 
Dec 18 08:44:16.730 INFO [stderr] warning: variable `charVar` should have a snake case name such as `char_var`
Dec 18 08:44:16.730 INFO [stderr]  --> examples/printing_primitives.rs:5:9
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr] 5 |     let charVar: char = 'W';
Dec 18 08:44:16.730 INFO [stderr]   |         ^^^^^^^
Dec 18 08:44:16.730 INFO [stderr] 
Dec 18 08:44:16.730 INFO [stderr] warning: variable `boolVar` should have a snake case name such as `bool_var`
Dec 18 08:44:16.730 INFO [stderr]  --> examples/printing_primitives.rs:6:9
Dec 18 08:44:16.730 INFO [stderr]   |
Dec 18 08:44:16.730 INFO [stderr] 6 |     let mut boolVar: bool = false;
Dec 18 08:44:16.730 INFO [stderr]   |         ^^^^^^^^^^^
Dec 18 08:44:16.730 INFO [stderr] 
Dec 18 08:44:17.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
Dec 18 08:44:18.043 INFO running `"docker" "inspect" "17cf13214582447e245ff913e60ac4fb2d70b3a1449be147ce99e3a8b3def99f"`
Dec 18 08:44:18.240 INFO running `"docker" "rm" "-f" "17cf13214582447e245ff913e60ac4fb2d70b3a1449be147ce99e3a8b3def99f"`
Dec 18 08:44:18.452 INFO [stdout] 17cf13214582447e245ff913e60ac4fb2d70b3a1449be147ce99e3a8b3def99f