Dec 19 08:57:06.981 INFO checking shaurya0/advent_of_code_2018 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:57:06.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:57:07.380 INFO [stdout] 9e4d0953002b406bb624d73ba0a2948e522f08682781cf638603549a9866f040
Dec 19 08:57:07.384 INFO running `"docker" "start" "-a" "9e4d0953002b406bb624d73ba0a2948e522f08682781cf638603549a9866f040"`
Dec 19 08:57:08.632 INFO [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
Dec 19 08:57:09.120 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:09.120 INFO [stderr]   --> src/day3/day3.rs:86:22
Dec 19 08:57:09.120 INFO [stderr]    |
Dec 19 08:57:09.120 INFO [stderr] 86 |                 Some(count) => unclaimed = true,
Dec 19 08:57:09.120 INFO [stderr]    |                      ^^^^^ help: consider using `_count` instead
Dec 19 08:57:09.120 INFO [stderr]    |
Dec 19 08:57:09.120 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:09.120 INFO [stderr] 
Dec 19 08:57:09.120 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:09.120 INFO [stderr]    --> src/day3/day3.rs:129:23
Dec 19 08:57:09.120 INFO [stderr]     |
Dec 19 08:57:09.120 INFO [stderr] 129 |                 Some(&count) => print!("#"),
Dec 19 08:57:09.120 INFO [stderr]     |                       ^^^^^ help: consider using `_count` instead
Dec 19 08:57:09.120 INFO [stderr] 
Dec 19 08:57:09.196 INFO [stderr] warning: function is never used: `draw_grid`
Dec 19 08:57:09.196 INFO [stderr]    --> src/day3/day3.rs:120:1
Dec 19 08:57:09.196 INFO [stderr]     |
Dec 19 08:57:09.196 INFO [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
Dec 19 08:57:09.196 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:09.196 INFO [stderr]     |
Dec 19 08:57:09.196 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 08:57:09.196 INFO [stderr] 
Dec 19 08:57:09.349 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:09.349 INFO [stderr]   --> src/day3/day3.rs:86:22
Dec 19 08:57:09.349 INFO [stderr]    |
Dec 19 08:57:09.349 INFO [stderr] 86 |                 Some(count) => unclaimed = true,
Dec 19 08:57:09.349 INFO [stderr]    |                      ^^^^^ help: consider using `_count` instead
Dec 19 08:57:09.349 INFO [stderr]    |
Dec 19 08:57:09.349 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:09.349 INFO [stderr] 
Dec 19 08:57:09.349 INFO [stderr] warning: unused variable: `count`
Dec 19 08:57:09.349 INFO [stderr]    --> src/day3/day3.rs:129:23
Dec 19 08:57:09.349 INFO [stderr]     |
Dec 19 08:57:09.349 INFO [stderr] 129 |                 Some(&count) => print!("#"),
Dec 19 08:57:09.350 INFO [stderr]     |                       ^^^^^ help: consider using `_count` instead
Dec 19 08:57:09.350 INFO [stderr] 
Dec 19 08:57:09.380 INFO [stderr] warning: function is never used: `draw_grid`
Dec 19 08:57:09.380 INFO [stderr]    --> src/day3/day3.rs:120:1
Dec 19 08:57:09.380 INFO [stderr]     |
Dec 19 08:57:09.380 INFO [stderr] 120 | fn draw_grid(grid_description: &HashMap<Point, i32>, nx: u32, ny: u32){
Dec 19 08:57:09.380 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:09.388 INFO [stderr]     |
Dec 19 08:57:09.388 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 08:57:09.388 INFO [stderr] 
Dec 19 08:57:09.396 INFO [stderr] warning: unused imports: `Duration`, `NaiveDate`
Dec 19 08:57:09.396 INFO [stderr]  --> src/day4/day4.rs:8:29
Dec 19 08:57:09.396 INFO [stderr]   |
Dec 19 08:57:09.396 INFO [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
Dec 19 08:57:09.396 INFO [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
Dec 19 08:57:09.396 INFO [stderr]   |
Dec 19 08:57:09.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:57:09.396 INFO [stderr] 
Dec 19 08:57:09.435 INFO [stderr] warning: unused imports: `Duration`, `NaiveDate`
Dec 19 08:57:09.435 INFO [stderr]  --> src/day4/day4.rs:8:29
Dec 19 08:57:09.435 INFO [stderr]   |
Dec 19 08:57:09.435 INFO [stderr] 8 | use chrono::{NaiveDateTime, NaiveDate, NaiveTime, Duration, Timelike};
Dec 19 08:57:09.435 INFO [stderr]   |                             ^^^^^^^^^             ^^^^^^^^
Dec 19 08:57:09.435 INFO [stderr]   |
Dec 19 08:57:09.435 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:57:09.435 INFO [stderr] 
Dec 19 08:57:09.759 INFO [stderr] warning: unused variable: `guard_sleep_time`
Dec 19 08:57:09.772 INFO [stderr]   --> src/day4/day4.rs:97:13
Dec 19 08:57:09.772 INFO [stderr]    |
Dec 19 08:57:09.772 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:09.772 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
Dec 19 08:57:09.772 INFO [stderr]    |
Dec 19 08:57:09.772 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:09.772 INFO [stderr] 
Dec 19 08:57:09.772 INFO [stderr] warning: unused variable: `timestamp`
Dec 19 08:57:09.772 INFO [stderr]    --> src/day4/day4.rs:115:17
Dec 19 08:57:09.772 INFO [stderr]     |
Dec 19 08:57:09.772 INFO [stderr] 115 |             let timestamp = message.timestamp;
Dec 19 08:57:09.772 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
Dec 19 08:57:09.772 INFO [stderr] 
Dec 19 08:57:09.788 INFO [stderr] warning: unused variable: `guard_sleep_time`
Dec 19 08:57:09.788 INFO [stderr]   --> src/day4/day4.rs:97:13
Dec 19 08:57:09.788 INFO [stderr]    |
Dec 19 08:57:09.788 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:09.788 INFO [stderr]    |             ^^^^^^^^^^^^^^^^ help: consider using `_guard_sleep_time` instead
Dec 19 08:57:09.788 INFO [stderr]    |
Dec 19 08:57:09.788 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 08:57:09.788 INFO [stderr] 
Dec 19 08:57:09.788 INFO [stderr] warning: unused variable: `timestamp`
Dec 19 08:57:09.788 INFO [stderr]    --> src/day4/day4.rs:115:17
Dec 19 08:57:09.788 INFO [stderr]     |
Dec 19 08:57:09.788 INFO [stderr] 115 |             let timestamp = message.timestamp;
Dec 19 08:57:09.788 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_timestamp` instead
Dec 19 08:57:09.788 INFO [stderr] 
Dec 19 08:57:09.810 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:57:09.810 INFO [stderr]   --> src/day4/day4.rs:97:9
Dec 19 08:57:09.810 INFO [stderr]    |
Dec 19 08:57:09.810 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:09.810 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 19 08:57:09.810 INFO [stderr]    |         |
Dec 19 08:57:09.810 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:57:09.810 INFO [stderr]    |
Dec 19 08:57:09.810 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:57:09.810 INFO [stderr] 
Dec 19 08:57:09.810 INFO [stderr] warning: struct is never constructed: `TimestampedMessage`
Dec 19 08:57:09.810 INFO [stderr]   --> src/day4/day4.rs:26:1
Dec 19 08:57:09.810 INFO [stderr]    |
Dec 19 08:57:09.810 INFO [stderr] 26 | struct TimestampedMessage {
Dec 19 08:57:09.810 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:09.810 INFO [stderr]    |
Dec 19 08:57:09.810 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:57:09.810 INFO [stderr] 
Dec 19 08:57:09.812 INFO [stderr] warning: variable does not need to be mutable
Dec 19 08:57:09.812 INFO [stderr]   --> src/day4/day4.rs:97:9
Dec 19 08:57:09.812 INFO [stderr]    |
Dec 19 08:57:09.812 INFO [stderr] 97 |     let mut guard_sleep_time: HashMap<u32, i64>
Dec 19 08:57:09.812 INFO [stderr]    |         ----^^^^^^^^^^^^^^^^
Dec 19 08:57:09.812 INFO [stderr]    |         |
Dec 19 08:57:09.812 INFO [stderr]    |         help: remove this `mut`
Dec 19 08:57:09.812 INFO [stderr]    |
Dec 19 08:57:09.812 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 08:57:09.812 INFO [stderr] 
Dec 19 08:57:09.812 INFO [stderr] warning: struct is never constructed: `TimestampedMessage`
Dec 19 08:57:09.816 INFO [stderr]   --> src/day4/day4.rs:26:1
Dec 19 08:57:09.816 INFO [stderr]    |
Dec 19 08:57:09.816 INFO [stderr] 26 | struct TimestampedMessage {
Dec 19 08:57:09.816 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:57:09.816 INFO [stderr]    |
Dec 19 08:57:09.816 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:57:09.816 INFO [stderr] 
Dec 19 08:57:09.889 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 19 08:57:10.608 INFO running `"docker" "inspect" "9e4d0953002b406bb624d73ba0a2948e522f08682781cf638603549a9866f040"`
Dec 19 08:57:11.074 INFO running `"docker" "rm" "-f" "9e4d0953002b406bb624d73ba0a2948e522f08682781cf638603549a9866f040"`
Dec 19 08:57:11.376 INFO [stdout] 9e4d0953002b406bb624d73ba0a2948e522f08682781cf638603549a9866f040