Dec 19 22:10:38.517 INFO checking Ratismal/adventofcode2018 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:10:38.517 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Ratismal/adventofcode2018:/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 22:10:39.025 INFO [stdout] e7007edcb9599b8a6bb4df4ea3e592960ab9390d005ce23a200e43527437edd0
Dec 19 22:10:39.027 INFO running `"docker" "start" "-a" "e7007edcb9599b8a6bb4df4ea3e592960ab9390d005ce23a200e43527437edd0"`
Dec 19 22:10:41.320 INFO [stderr]     Checking adventofcode2018 v0.1.0 (/opt/crater/workdir)
Dec 19 22:10:41.924 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 22:10:41.924 INFO [stderr]  --> src/puzzles/d8.rs:1:5
Dec 19 22:10:41.924 INFO [stderr]   |
Dec 19 22:10:41.924 INFO [stderr] 1 | use std::collections::HashMap;
Dec 19 22:10:41.924 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:10:41.957 INFO [stderr]   |
Dec 19 22:10:41.957 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:10:41.957 INFO [stderr] 
Dec 19 22:10:42.120 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 22:10:42.120 INFO [stderr]   --> src/puzzles/mod.rs:63:25
Dec 19 22:10:42.120 INFO [stderr]    |
Dec 19 22:10:42.120 INFO [stderr] 63 |     let trimmed = input.trim_right().to_string();
Dec 19 22:10:42.120 INFO [stderr]    |                         ^^^^^^^^^^
Dec 19 22:10:42.120 INFO [stderr]    |
Dec 19 22:10:42.120 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 22:10:42.120 INFO [stderr] 
Dec 19 22:10:42.136 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 22:10:42.136 INFO [stderr]  --> src/puzzles/d8.rs:1:5
Dec 19 22:10:42.136 INFO [stderr]   |
Dec 19 22:10:42.136 INFO [stderr] 1 | use std::collections::HashMap;
Dec 19 22:10:42.136 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:10:42.136 INFO [stderr]   |
Dec 19 22:10:42.136 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 22:10:42.136 INFO [stderr] 
Dec 19 22:10:42.296 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 22:10:42.296 INFO [stderr]   --> src/puzzles/mod.rs:63:25
Dec 19 22:10:42.296 INFO [stderr]    |
Dec 19 22:10:42.296 INFO [stderr] 63 |     let trimmed = input.trim_right().to_string();
Dec 19 22:10:42.296 INFO [stderr]    |                         ^^^^^^^^^^
Dec 19 22:10:42.296 INFO [stderr]    |
Dec 19 22:10:42.296 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 22:10:42.296 INFO [stderr] 
Dec 19 22:10:42.455 INFO [stderr] warning: unused variable: `state`
Dec 19 22:10:42.455 INFO [stderr]   --> src/puzzles/d8.rs:25:13
Dec 19 22:10:42.455 INFO [stderr]    |
Dec 19 22:10:42.455 INFO [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
Dec 19 22:10:42.455 INFO [stderr]    |             ^^^^^ help: consider using `_state` instead
Dec 19 22:10:42.465 INFO [stderr]    |
Dec 19 22:10:42.465 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:10:42.465 INFO [stderr] 
Dec 19 22:10:42.465 INFO [stderr] warning: unused variable: `child_nodes`
Dec 19 22:10:42.465 INFO [stderr]   --> src/puzzles/d8.rs:26:13
Dec 19 22:10:42.465 INFO [stderr]    |
Dec 19 22:10:42.465 INFO [stderr] 26 |     let mut child_nodes: u32;
Dec 19 22:10:42.465 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_child_nodes` instead
Dec 19 22:10:42.465 INFO [stderr] 
Dec 19 22:10:42.465 INFO [stderr] warning: unused variable: `meta_elements`
Dec 19 22:10:42.465 INFO [stderr]   --> src/puzzles/d8.rs:27:13
Dec 19 22:10:42.465 INFO [stderr]    |
Dec 19 22:10:42.465 INFO [stderr] 27 |     let mut meta_elements: u32;
Dec 19 22:10:42.465 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_meta_elements` instead
Dec 19 22:10:42.465 INFO [stderr] 
Dec 19 22:10:42.465 INFO [stderr] warning: unused variable: `i`
Dec 19 22:10:42.465 INFO [stderr]   --> src/puzzles/d8.rs:28:9
Dec 19 22:10:42.465 INFO [stderr]    |
Dec 19 22:10:42.465 INFO [stderr] 28 |     for i in elements {}
Dec 19 22:10:42.465 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 22:10:42.465 INFO [stderr] 
Dec 19 22:10:42.465 INFO [stderr] warning: unused variable: `elements`
Dec 19 22:10:42.465 INFO [stderr]   --> src/puzzles/d8.rs:34:9
Dec 19 22:10:42.465 INFO [stderr]    |
Dec 19 22:10:42.465 INFO [stderr] 34 |     let elements = self.parse(&input);
Dec 19 22:10:42.465 INFO [stderr]    |         ^^^^^^^^ help: consider using `_elements` instead
Dec 19 22:10:42.465 INFO [stderr] 
Dec 19 22:10:42.583 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.583 INFO [stderr]   --> src/puzzles/d8.rs:25:9
Dec 19 22:10:42.583 INFO [stderr]    |
Dec 19 22:10:42.583 INFO [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
Dec 19 22:10:42.583 INFO [stderr]    |         ----^^^^^
Dec 19 22:10:42.583 INFO [stderr]    |         |
Dec 19 22:10:42.583 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.583 INFO [stderr]    |
Dec 19 22:10:42.583 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:10:42.583 INFO [stderr] 
Dec 19 22:10:42.584 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.584 INFO [stderr]   --> src/puzzles/d8.rs:26:9
Dec 19 22:10:42.584 INFO [stderr]    |
Dec 19 22:10:42.584 INFO [stderr] 26 |     let mut child_nodes: u32;
Dec 19 22:10:42.585 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 22:10:42.585 INFO [stderr]    |         |
Dec 19 22:10:42.585 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.585 INFO [stderr] 
Dec 19 22:10:42.585 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.585 INFO [stderr]   --> src/puzzles/d8.rs:27:9
Dec 19 22:10:42.585 INFO [stderr]    |
Dec 19 22:10:42.585 INFO [stderr] 27 |     let mut meta_elements: u32;
Dec 19 22:10:42.585 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 19 22:10:42.585 INFO [stderr]    |         |
Dec 19 22:10:42.585 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.588 INFO [stderr] 
Dec 19 22:10:42.596 INFO [stderr] warning: struct is never constructed: `Node`
Dec 19 22:10:42.597 INFO [stderr]  --> src/puzzles/d8.rs:7:1
Dec 19 22:10:42.597 INFO [stderr]   |
Dec 19 22:10:42.597 INFO [stderr] 7 | struct Node {
Dec 19 22:10:42.597 INFO [stderr]   | ^^^^^^^^^^^
Dec 19 22:10:42.598 INFO [stderr]   |
Dec 19 22:10:42.598 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:10:42.598 INFO [stderr] 
Dec 19 22:10:42.598 INFO [stderr] warning: variant is never constructed: `HEADER_META`
Dec 19 22:10:42.598 INFO [stderr]   --> src/puzzles/d8.rs:13:3
Dec 19 22:10:42.598 INFO [stderr]    |
Dec 19 22:10:42.598 INFO [stderr] 13 |   HEADER_META,
Dec 19 22:10:42.598 INFO [stderr]    |   ^^^^^^^^^^^
Dec 19 22:10:42.598 INFO [stderr] 
Dec 19 22:10:42.600 INFO [stderr] warning: variant is never constructed: `META`
Dec 19 22:10:42.600 INFO [stderr]   --> src/puzzles/d8.rs:14:3
Dec 19 22:10:42.600 INFO [stderr]    |
Dec 19 22:10:42.600 INFO [stderr] 14 |   META,
Dec 19 22:10:42.600 INFO [stderr]    |   ^^^^
Dec 19 22:10:42.600 INFO [stderr] 
Dec 19 22:10:42.600 INFO [stderr] warning: unused variable: `state`
Dec 19 22:10:42.600 INFO [stderr]   --> src/puzzles/d8.rs:25:13
Dec 19 22:10:42.600 INFO [stderr]    |
Dec 19 22:10:42.600 INFO [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
Dec 19 22:10:42.600 INFO [stderr]    |             ^^^^^ help: consider using `_state` instead
Dec 19 22:10:42.600 INFO [stderr]    |
Dec 19 22:10:42.600 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:10:42.600 INFO [stderr] 
Dec 19 22:10:42.600 INFO [stderr] warning: unused variable: `child_nodes`
Dec 19 22:10:42.600 INFO [stderr]   --> src/puzzles/d8.rs:26:13
Dec 19 22:10:42.600 INFO [stderr]    |
Dec 19 22:10:42.600 INFO [stderr] 26 |     let mut child_nodes: u32;
Dec 19 22:10:42.600 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_child_nodes` instead
Dec 19 22:10:42.600 INFO [stderr] 
Dec 19 22:10:42.600 INFO [stderr] warning: unused variable: `meta_elements`
Dec 19 22:10:42.600 INFO [stderr]   --> src/puzzles/d8.rs:27:13
Dec 19 22:10:42.600 INFO [stderr]    |
Dec 19 22:10:42.601 INFO [stderr] 27 |     let mut meta_elements: u32;
Dec 19 22:10:42.601 INFO [stderr]    |             ^^^^^^^^^^^^^ help: consider using `_meta_elements` instead
Dec 19 22:10:42.601 INFO [stderr] 
Dec 19 22:10:42.601 INFO [stderr] warning: unused variable: `i`
Dec 19 22:10:42.601 INFO [stderr]   --> src/puzzles/d8.rs:28:9
Dec 19 22:10:42.601 INFO [stderr]    |
Dec 19 22:10:42.601 INFO [stderr] 28 |     for i in elements {}
Dec 19 22:10:42.601 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 22:10:42.601 INFO [stderr] 
Dec 19 22:10:42.601 INFO [stderr] warning: unused variable: `elements`
Dec 19 22:10:42.601 INFO [stderr]   --> src/puzzles/d8.rs:34:9
Dec 19 22:10:42.601 INFO [stderr]    |
Dec 19 22:10:42.601 INFO [stderr] 34 |     let elements = self.parse(&input);
Dec 19 22:10:42.601 INFO [stderr]    |         ^^^^^^^^ help: consider using `_elements` instead
Dec 19 22:10:42.601 INFO [stderr] 
Dec 19 22:10:42.608 INFO [stderr] warning: variant `HEADER_CHILD` should have a camel case name such as `HeaderChild`
Dec 19 22:10:42.608 INFO [stderr]   --> src/puzzles/d8.rs:12:3
Dec 19 22:10:42.608 INFO [stderr]    |
Dec 19 22:10:42.609 INFO [stderr] 12 |   HEADER_CHILD,
Dec 19 22:10:42.609 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 19 22:10:42.609 INFO [stderr]    |
Dec 19 22:10:42.609 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 22:10:42.609 INFO [stderr] 
Dec 19 22:10:42.609 INFO [stderr] warning: variant `HEADER_META` should have a camel case name such as `HeaderMeta`
Dec 19 22:10:42.609 INFO [stderr]   --> src/puzzles/d8.rs:13:3
Dec 19 22:10:42.609 INFO [stderr]    |
Dec 19 22:10:42.609 INFO [stderr] 13 |   HEADER_META,
Dec 19 22:10:42.609 INFO [stderr]    |   ^^^^^^^^^^^
Dec 19 22:10:42.609 INFO [stderr] 
Dec 19 22:10:42.741 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.741 INFO [stderr]   --> src/puzzles/d8.rs:25:9
Dec 19 22:10:42.741 INFO [stderr]    |
Dec 19 22:10:42.741 INFO [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
Dec 19 22:10:42.741 INFO [stderr]    |         ----^^^^^
Dec 19 22:10:42.741 INFO [stderr]    |         |
Dec 19 22:10:42.741 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.741 INFO [stderr]    |
Dec 19 22:10:42.742 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:10:42.742 INFO [stderr] 
Dec 19 22:10:42.742 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.743 INFO [stderr]   --> src/puzzles/d8.rs:26:9
Dec 19 22:10:42.743 INFO [stderr]    |
Dec 19 22:10:42.743 INFO [stderr] 26 |     let mut child_nodes: u32;
Dec 19 22:10:42.744 INFO [stderr]    |         ----^^^^^^^^^^^
Dec 19 22:10:42.747 INFO [stderr]    |         |
Dec 19 22:10:42.747 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.747 INFO [stderr] 
Dec 19 22:10:42.747 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:10:42.747 INFO [stderr]   --> src/puzzles/d8.rs:27:9
Dec 19 22:10:42.747 INFO [stderr]    |
Dec 19 22:10:42.747 INFO [stderr] 27 |     let mut meta_elements: u32;
Dec 19 22:10:42.747 INFO [stderr]    |         ----^^^^^^^^^^^^^
Dec 19 22:10:42.747 INFO [stderr]    |         |
Dec 19 22:10:42.747 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:10:42.747 INFO [stderr] 
Dec 19 22:10:42.747 INFO [stderr] warning: struct is never constructed: `Node`
Dec 19 22:10:42.748 INFO [stderr]  --> src/puzzles/d8.rs:7:1
Dec 19 22:10:42.748 INFO [stderr]   |
Dec 19 22:10:42.748 INFO [stderr] 7 | struct Node {
Dec 19 22:10:42.749 INFO [stderr]   | ^^^^^^^^^^^
Dec 19 22:10:42.749 INFO [stderr]   |
Dec 19 22:10:42.749 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:10:42.749 INFO [stderr] 
Dec 19 22:10:42.750 INFO [stderr] warning: variant is never constructed: `HEADER_META`
Dec 19 22:10:42.750 INFO [stderr]   --> src/puzzles/d8.rs:13:3
Dec 19 22:10:42.750 INFO [stderr]    |
Dec 19 22:10:42.750 INFO [stderr] 13 |   HEADER_META,
Dec 19 22:10:42.750 INFO [stderr]    |   ^^^^^^^^^^^
Dec 19 22:10:42.750 INFO [stderr] 
Dec 19 22:10:42.750 INFO [stderr] warning: variant is never constructed: `META`
Dec 19 22:10:42.750 INFO [stderr]   --> src/puzzles/d8.rs:14:3
Dec 19 22:10:42.750 INFO [stderr]    |
Dec 19 22:10:42.750 INFO [stderr] 14 |   META,
Dec 19 22:10:42.750 INFO [stderr]    |   ^^^^
Dec 19 22:10:42.750 INFO [stderr] 
Dec 19 22:10:42.752 INFO [stderr] warning: variant `HEADER_CHILD` should have a camel case name such as `HeaderChild`
Dec 19 22:10:42.752 INFO [stderr]   --> src/puzzles/d8.rs:12:3
Dec 19 22:10:42.752 INFO [stderr]    |
Dec 19 22:10:42.753 INFO [stderr] 12 |   HEADER_CHILD,
Dec 19 22:10:42.753 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 19 22:10:42.753 INFO [stderr]    |
Dec 19 22:10:42.754 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 22:10:42.754 INFO [stderr] 
Dec 19 22:10:42.756 INFO [stderr] warning: variant `HEADER_META` should have a camel case name such as `HeaderMeta`
Dec 19 22:10:42.756 INFO [stderr]   --> src/puzzles/d8.rs:13:3
Dec 19 22:10:42.756 INFO [stderr]    |
Dec 19 22:10:42.756 INFO [stderr] 13 |   HEADER_META,
Dec 19 22:10:42.756 INFO [stderr]    |   ^^^^^^^^^^^
Dec 19 22:10:42.756 INFO [stderr] 
Dec 19 22:10:42.775 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 19 22:10:44.233 INFO running `"docker" "inspect" "e7007edcb9599b8a6bb4df4ea3e592960ab9390d005ce23a200e43527437edd0"`
Dec 19 22:10:44.586 INFO running `"docker" "rm" "-f" "e7007edcb9599b8a6bb4df4ea3e592960ab9390d005ce23a200e43527437edd0"`
Dec 19 22:10:44.880 INFO [stdout] e7007edcb9599b8a6bb4df4ea3e592960ab9390d005ce23a200e43527437edd0