Dec 19 05:31:51.050 INFO checking william42/advent against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:31:51.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/william42/advent:/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 05:31:51.408 INFO [stdout] 146d7da7fa9416e78ce80c1f563ac46c7a4356ac94a152a6159e255b1bf0a877
Dec 19 05:31:51.414 INFO running `"docker" "start" "-a" "146d7da7fa9416e78ce80c1f563ac46c7a4356ac94a152a6159e255b1bf0a877"`
Dec 19 05:31:52.768 INFO [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
Dec 19 05:31:52.974 INFO [stderr] warning: function is never used: `process_frequency`
Dec 19 05:31:52.975 INFO [stderr]   --> src/main.rs:18:1
Dec 19 05:31:52.975 INFO [stderr]    |
Dec 19 05:31:52.975 INFO [stderr] 18 | fn process_frequency(line: String) -> i32 {
Dec 19 05:31:52.975 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.975 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.976 INFO [stderr] warning: function is never used: `day1a`
Dec 19 05:31:52.976 INFO [stderr]   --> src/main.rs:27:1
Dec 19 05:31:52.976 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr] 27 | fn day1a() -> i32 {
Dec 19 05:31:52.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.976 INFO [stderr] warning: function is never used: `day1b`
Dec 19 05:31:52.976 INFO [stderr]   --> src/main.rs:33:1
Dec 19 05:31:52.976 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr] 33 | fn day1b() -> i32 {
Dec 19 05:31:52.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.976 INFO [stderr] warning: function is never used: `day2a`
Dec 19 05:31:52.976 INFO [stderr]   --> src/main.rs:50:1
Dec 19 05:31:52.976 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr] 50 | fn day2a() -> i32 {
Dec 19 05:31:52.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.976 INFO [stderr] warning: function is never used: `day2b`
Dec 19 05:31:52.976 INFO [stderr]   --> src/main.rs:70:1
Dec 19 05:31:52.976 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr] 70 | fn day2b() -> String {
Dec 19 05:31:52.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.976 INFO [stderr] warning: struct is never constructed: `CRect`
Dec 19 05:31:52.976 INFO [stderr]   --> src/main.rs:88:1
Dec 19 05:31:52.976 INFO [stderr]    |
Dec 19 05:31:52.976 INFO [stderr] 88 | struct CRect {
Dec 19 05:31:52.976 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 05:31:52.976 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day3line`
Dec 19 05:31:52.979 INFO [stderr]   --> src/main.rs:96:1
Dec 19 05:31:52.979 INFO [stderr]    |
Dec 19 05:31:52.979 INFO [stderr] 96 | fn day3line(line: String) -> CRect {
Dec 19 05:31:52.979 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day3a`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:119:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 119 | fn day3a() -> i32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day3b`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:145:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 145 | fn day3b() -> u32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `polymer`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:173:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 173 | / fn polymer<I>(r: &mut I, prev: Option<u8>) -> Option<u32>
Dec 19 05:31:52.979 INFO [stderr] 174 | | where
Dec 19 05:31:52.979 INFO [stderr] 175 | |     I: Iterator<Item = Result<u8, std::io::Error>>,
Dec 19 05:31:52.979 INFO [stderr] 176 | | {
Dec 19 05:31:52.979 INFO [stderr] ...   |
Dec 19 05:31:52.979 INFO [stderr] 192 | |     }
Dec 19 05:31:52.979 INFO [stderr] 193 | | }
Dec 19 05:31:52.979 INFO [stderr]     | |_^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day5a`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:195:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 195 | fn day5a() -> u32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `poly_without`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:206:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 206 | fn poly_without(i: u8) -> u32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day5b`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:223:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 223 | fn day5b() -> u32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:52.979 INFO [stderr] warning: function is never used: `day8a`
Dec 19 05:31:52.979 INFO [stderr]    --> src/main.rs:249:1
Dec 19 05:31:52.979 INFO [stderr]     |
Dec 19 05:31:52.979 INFO [stderr] 249 | fn day8a() -> u32 {
Dec 19 05:31:52.979 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:52.979 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `process_frequency`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:18:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 18 | fn process_frequency(line: String) -> i32 {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day1a`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:27:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 27 | fn day1a() -> i32 {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day1b`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:33:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 33 | fn day1b() -> i32 {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day2a`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:50:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 50 | fn day2a() -> i32 {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day2b`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:70:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 70 | fn day2b() -> String {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: struct is never constructed: `CRect`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:88:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 88 | struct CRect {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day3line`
Dec 19 05:31:53.021 INFO [stderr]   --> src/main.rs:96:1
Dec 19 05:31:53.021 INFO [stderr]    |
Dec 19 05:31:53.021 INFO [stderr] 96 | fn day3line(line: String) -> CRect {
Dec 19 05:31:53.021 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day3a`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:119:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 119 | fn day3a() -> i32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day3b`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:145:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 145 | fn day3b() -> u32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `polymer`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:173:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 173 | / fn polymer<I>(r: &mut I, prev: Option<u8>) -> Option<u32>
Dec 19 05:31:53.021 INFO [stderr] 174 | | where
Dec 19 05:31:53.021 INFO [stderr] 175 | |     I: Iterator<Item = Result<u8, std::io::Error>>,
Dec 19 05:31:53.021 INFO [stderr] 176 | | {
Dec 19 05:31:53.021 INFO [stderr] ...   |
Dec 19 05:31:53.021 INFO [stderr] 192 | |     }
Dec 19 05:31:53.021 INFO [stderr] 193 | | }
Dec 19 05:31:53.021 INFO [stderr]     | |_^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day5a`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:195:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 195 | fn day5a() -> u32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `poly_without`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:206:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 206 | fn poly_without(i: u8) -> u32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day5b`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:223:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 223 | fn day5b() -> u32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.021 INFO [stderr] warning: function is never used: `day8a`
Dec 19 05:31:53.021 INFO [stderr]    --> src/main.rs:249:1
Dec 19 05:31:53.021 INFO [stderr]     |
Dec 19 05:31:53.021 INFO [stderr] 249 | fn day8a() -> u32 {
Dec 19 05:31:53.021 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 05:31:53.021 INFO [stderr] 
Dec 19 05:31:53.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
Dec 19 05:31:53.344 INFO running `"docker" "inspect" "146d7da7fa9416e78ce80c1f563ac46c7a4356ac94a152a6159e255b1bf0a877"`
Dec 19 05:31:53.508 INFO running `"docker" "rm" "-f" "146d7da7fa9416e78ce80c1f563ac46c7a4356ac94a152a6159e255b1bf0a877"`
Dec 19 05:31:53.660 INFO [stdout] 146d7da7fa9416e78ce80c1f563ac46c7a4356ac94a152a6159e255b1bf0a877