Dec 19 08:57:07.613 INFO checking shaurya0/advent_of_code_2018 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:57:07.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/shaurya0/advent_of_code_2018:/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 08:57:08.176 INFO [stdout] 146bd085c73c8bc7ca17667b55d442f6d56f9fdffd1d018cd75ed075d787aa3d
Dec 19 08:57:08.184 INFO running `"docker" "start" "-a" "146bd085c73c8bc7ca17667b55d442f6d56f9fdffd1d018cd75ed075d787aa3d"`
Dec 19 08:57:10.032 INFO [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
Dec 19 08:57:10.713 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:10.713 INFO [stderr]   --> src/day3/day3.rs:86:22
Dec 19 08:57:10.713 INFO [stderr]    |
Dec 19 08:57:10.713 INFO [stderr] 86 |                 Some(count) => unclaimed = true,
Dec 19 08:57:10.713 INFO [stderr]    |                      ^^^^^ help: consider using `_count` instead
Dec 19 08:57:10.713 INFO [stderr]    |
Dec 19 08:57:10.713 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:10.713 INFO [stderr] 
Dec 19 08:57:10.713 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:10.713 INFO [stderr]    --> src/day3/day3.rs:129:23
Dec 19 08:57:10.713 INFO [stderr]     |
Dec 19 08:57:10.713 INFO [stderr] 129 |                 Some(&count) => print!("#"),
Dec 19 08:57:10.713 INFO [stderr]     |                       ^^^^^ help: consider using `_count` instead
Dec 19 08:57:10.713 INFO [stderr] 
Dec 19 08:57:10.796 INFO [stderr] warning: unused imports: `Duration`, `NaiveDate`
Dec 19 08:57:10.796 INFO [stderr]  --> src/day4/day4.rs:8:29
Dec 19 08:57:10.796 INFO [stderr]   |
Dec 19 08:57:10.796 INFO [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
Dec 19 08:57:10.796 INFO [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
Dec 19 08:57:10.796 INFO [stderr]   |
Dec 19 08:57:10.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:57:10.796 INFO [stderr] 
Dec 19 08:57:10.836 INFO [stderr] warning: unused imports: `Duration`, `NaiveDate`
Dec 19 08:57:10.836 INFO [stderr]  --> src/day4/day4.rs:8:29
Dec 19 08:57:10.836 INFO [stderr]   |
Dec 19 08:57:10.836 INFO [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
Dec 19 08:57:10.836 INFO [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
Dec 19 08:57:10.836 INFO [stderr]   |
Dec 19 08:57:10.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:57:10.836 INFO [stderr] 
Dec 19 08:57:10.856 INFO [stderr] warning: function is never used: `draw_grid`
Dec 19 08:57:10.856 INFO [stderr]    --> src/day3/day3.rs:120:1
Dec 19 08:57:10.856 INFO [stderr]     |
Dec 19 08:57:10.856 INFO [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
Dec 19 08:57:10.856 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:10.856 INFO [stderr]     |
Dec 19 08:57:10.856 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 08:57:10.856 INFO [stderr] 
Dec 19 08:57:10.953 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:10.953 INFO [stderr]   --> src/day3/day3.rs:86:22
Dec 19 08:57:10.953 INFO [stderr]    |
Dec 19 08:57:10.953 INFO [stderr] 86 |                 Some(count) => unclaimed = true,
Dec 19 08:57:10.953 INFO [stderr]    |                      ^^^^^ help: consider using `_count` instead
Dec 19 08:57:10.953 INFO [stderr]    |
Dec 19 08:57:10.953 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:10.953 INFO [stderr] 
Dec 19 08:57:10.953 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:10.953 INFO [stderr]    --> src/day3/day3.rs:129:23
Dec 19 08:57:10.953 INFO [stderr]     |
Dec 19 08:57:10.953 INFO [stderr] 129 |                 Some(&count) => print!("#"),
Dec 19 08:57:10.953 INFO [stderr]     |                       ^^^^^ help: consider using `_count` instead
Dec 19 08:57:10.953 INFO [stderr] 
Dec 19 08:57:11.084 INFO [stderr] warning: unused variable: `guard_sleep_time`
Dec 19 08:57:11.084 INFO [stderr]   --> src/day4/day4.rs:97:13
Dec 19 08:57:11.084 INFO [stderr]    |
Dec 19 08:57:11.084 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:11.084 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
Dec 19 08:57:11.084 INFO [stderr]    |
Dec 19 08:57:11.084 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:11.084 INFO [stderr] 
Dec 19 08:57:11.084 INFO [stderr] warning: unused variable: `timestamp`
Dec 19 08:57:11.084 INFO [stderr]    --> src/day4/day4.rs:115:17
Dec 19 08:57:11.084 INFO [stderr]     |
Dec 19 08:57:11.084 INFO [stderr] 115 |             let timestamp = message.timestamp;
Dec 19 08:57:11.084 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
Dec 19 08:57:11.084 INFO [stderr] 
Dec 19 08:57:11.091 INFO [stderr] warning: function is never used: `draw_grid`
Dec 19 08:57:11.091 INFO [stderr]    --> src/day3/day3.rs:120:1
Dec 19 08:57:11.091 INFO [stderr]     |
Dec 19 08:57:11.091 INFO [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
Dec 19 08:57:11.091 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:11.091 INFO [stderr]     |
Dec 19 08:57:11.091 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 08:57:11.091 INFO [stderr] 
Dec 19 08:57:11.116 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:57:11.116 INFO [stderr]   --> src/day4/day4.rs:97:9
Dec 19 08:57:11.116 INFO [stderr]    |
Dec 19 08:57:11.116 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:11.116 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 19 08:57:11.116 INFO [stderr]    |         |
Dec 19 08:57:11.116 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:57:11.116 INFO [stderr]    |
Dec 19 08:57:11.116 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:57:11.116 INFO [stderr] 
Dec 19 08:57:11.116 INFO [stderr] warning: struct is never constructed: `TimestampedMessage`
Dec 19 08:57:11.116 INFO [stderr]   --> src/day4/day4.rs:26:1
Dec 19 08:57:11.116 INFO [stderr]    |
Dec 19 08:57:11.116 INFO [stderr] 26 | struct TimestampedMessage {
Dec 19 08:57:11.116 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:11.117 INFO [stderr]    |
Dec 19 08:57:11.117 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:57:11.117 INFO [stderr] 
Dec 19 08:57:11.212 INFO [stderr] warning: unused variable: `guard_sleep_time`
Dec 19 08:57:11.212 INFO [stderr]   --> src/day4/day4.rs:97:13
Dec 19 08:57:11.212 INFO [stderr]    |
Dec 19 08:57:11.212 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:11.212 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
Dec 19 08:57:11.212 INFO [stderr]    |
Dec 19 08:57:11.212 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:11.212 INFO [stderr] 
Dec 19 08:57:11.212 INFO [stderr] warning: unused variable: `timestamp`
Dec 19 08:57:11.212 INFO [stderr]    --> src/day4/day4.rs:115:17
Dec 19 08:57:11.212 INFO [stderr]     |
Dec 19 08:57:11.212 INFO [stderr] 115 |             let timestamp = message.timestamp;
Dec 19 08:57:11.212 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
Dec 19 08:57:11.212 INFO [stderr] 
Dec 19 08:57:11.286 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:57:11.286 INFO [stderr]   --> src/day4/day4.rs:97:9
Dec 19 08:57:11.286 INFO [stderr]    |
Dec 19 08:57:11.286 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:11.286 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 19 08:57:11.286 INFO [stderr]    |         |
Dec 19 08:57:11.286 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:57:11.286 INFO [stderr]    |
Dec 19 08:57:11.286 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:57:11.286 INFO [stderr] 
Dec 19 08:57:11.286 INFO [stderr] warning: struct is never constructed: `TimestampedMessage`
Dec 19 08:57:11.286 INFO [stderr]   --> src/day4/day4.rs:26:1
Dec 19 08:57:11.286 INFO [stderr]    |
Dec 19 08:57:11.286 INFO [stderr] 26 | struct TimestampedMessage {
Dec 19 08:57:11.286 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:11.286 INFO [stderr]    |
Dec 19 08:57:11.286 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:57:11.286 INFO [stderr] 
Dec 19 08:57:11.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Dec 19 08:57:11.922 INFO running `"docker" "inspect" "146bd085c73c8bc7ca17667b55d442f6d56f9fdffd1d018cd75ed075d787aa3d"`
Dec 19 08:57:12.236 INFO running `"docker" "rm" "-f" "146bd085c73c8bc7ca17667b55d442f6d56f9fdffd1d018cd75ed075d787aa3d"`
Dec 19 08:57:12.456 INFO [stdout] 146bd085c73c8bc7ca17667b55d442f6d56f9fdffd1d018cd75ed075d787aa3d