[INFO] updating cached repository https://github.com/Ratismal/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ed412b3d04c39a2f6d7895d57fc2f1d9b39a759
[INFO] testing Ratismal/adventofcode2018 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ratismal/adventofcode2018 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] finished tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/Ratismal/adventofcode2018 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Ratismal/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75bc0cae372ec163f0544383d6b60a7c0acd07e9c1f5ebdd425db601dcae0bb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75bc0cae372ec163f0544383d6b60a7c0acd07e9c1f5ebdd425db601dcae0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bc0cae372ec163f0544383d6b60a7c0acd07e9c1f5ebdd425db601dcae0bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bc0cae372ec163f0544383d6b60a7c0acd07e9c1f5ebdd425db601dcae0bb9", kill_on_drop: false }`
[INFO] [stdout] 75bc0cae372ec163f0544383d6b60a7c0acd07e9c1f5ebdd425db601dcae0bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c54160915f58bb6f239ef4993f1d742a05b8b83a0f39d1d3fc642b162bcaf5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c54160915f58bb6f239ef4993f1d742a05b8b83a0f39d1d3fc642b162bcaf5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/puzzles/d8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_CHILD` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderChild`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_META` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderMeta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/mod.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<Puzzle>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Puzzle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/puzzles/mod.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_right().to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_nodes`
[INFO] [stdout]   --> src/puzzles/d8.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut child_nodes: u32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut meta_elements: u32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/puzzles/d8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in elements {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let elements = self.parse(&input);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d1.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let mut i: i32 = line.parse().unwrap();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut target = Point {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 |       let mut point = Point {
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d6.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut point = Point {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]  --> src/puzzles/d8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEADER_META`
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `META`
[INFO] [stdout]   --> src/puzzles/d8.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   META,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `entry_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |       static ref entry_re: Regex =
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `ENTRY_RE`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shift_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |       static ref shift_re: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `SHIFT_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `line_re` should have an upper case name
[INFO] [stdout]   --> src/puzzles/d7.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |       static ref line_re: Regex =
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `LINE_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.26s
[INFO] running `Command { std: "docker" "inspect" "2c54160915f58bb6f239ef4993f1d742a05b8b83a0f39d1d3fc642b162bcaf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c54160915f58bb6f239ef4993f1d742a05b8b83a0f39d1d3fc642b162bcaf5c", kill_on_drop: false }`
[INFO] [stdout] 2c54160915f58bb6f239ef4993f1d742a05b8b83a0f39d1d3fc642b162bcaf5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 465d098feaa3fe4b6cc8b87cdcf902a10b9c7c47fa0075e94184571554e40334
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "465d098feaa3fe4b6cc8b87cdcf902a10b9c7c47fa0075e94184571554e40334", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/puzzles/d8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_CHILD` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderChild`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_META` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderMeta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/mod.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<Puzzle>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Puzzle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/puzzles/mod.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_right().to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_nodes`
[INFO] [stdout]   --> src/puzzles/d8.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut child_nodes: u32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut meta_elements: u32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/puzzles/d8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in elements {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let elements = self.parse(&input);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d1.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let mut i: i32 = line.parse().unwrap();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut target = Point {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 |       let mut point = Point {
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d6.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut point = Point {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout]  --> src/puzzles/d8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEADER_META`
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `META`
[INFO] [stdout]   --> src/puzzles/d8.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   META,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `entry_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |       static ref entry_re: Regex =
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `ENTRY_RE`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shift_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |       static ref shift_re: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `SHIFT_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `line_re` should have an upper case name
[INFO] [stdout]   --> src/puzzles/d7.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |       static ref line_re: Regex =
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `LINE_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "465d098feaa3fe4b6cc8b87cdcf902a10b9c7c47fa0075e94184571554e40334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465d098feaa3fe4b6cc8b87cdcf902a10b9c7c47fa0075e94184571554e40334", kill_on_drop: false }`
[INFO] [stdout] 465d098feaa3fe4b6cc8b87cdcf902a10b9c7c47fa0075e94184571554e40334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a3bbc24b99cfe9ebd4a6a5742382172355997916afbb290a4ba59c693d5fa7a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a3bbc24b99cfe9ebd4a6a5742382172355997916afbb290a4ba59c693d5fa7a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/puzzles/d8.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HEADER_CHILD` should have an upper camel case name
[INFO] [stderr]   --> src/puzzles/d8.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   HEADER_CHILD,
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderChild`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `HEADER_META` should have an upper camel case name
[INFO] [stderr]   --> src/puzzles/d8.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   HEADER_META,
[INFO] [stderr]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderMeta`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/mod.rs:22:27
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut days: Vec<Box<Puzzle>> = Vec::new();
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/puzzles/mod.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let trimmed = input.trim_right().to_string();
[INFO] [stderr]    |                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/puzzles/d8.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child_nodes`
[INFO] [stderr]   --> src/puzzles/d8.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut child_nodes: u32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_nodes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `meta_elements`
[INFO] [stderr]   --> src/puzzles/d8.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut meta_elements: u32;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_elements`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/puzzles/d8.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     for i in elements {}
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elements`
[INFO] [stderr]   --> src/puzzles/d8.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let elements = self.parse(&input);
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/puzzles/d1.rs:39:21
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let mut i: i32 = line.parse().unwrap();
[INFO] [stderr]    |                     ----^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/puzzles/d6.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut target = Point {
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/puzzles/d6.rs:79:11
[INFO] [stderr]    |
[INFO] [stderr] 79 |       let mut point = Point {
[INFO] [stderr]    |           ----^^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/puzzles/d6.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let mut point = Point {
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/puzzles/d8.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/puzzles/d8.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Node {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HEADER_META`
[INFO] [stderr]   --> src/puzzles/d8.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   HEADER_META,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `META`
[INFO] [stderr]   --> src/puzzles/d8.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   META,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `entry_re` should have an upper case name
[INFO] [stderr]    --> src/puzzles/d4.rs:119:18
[INFO] [stderr]     |
[INFO] [stderr] 119 |       static ref entry_re: Regex =
[INFO] [stderr]     |                  ^^^^^^^^ help: convert the identifier to upper case: `ENTRY_RE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `shift_re` should have an upper case name
[INFO] [stderr]    --> src/puzzles/d4.rs:121:18
[INFO] [stderr]     |
[INFO] [stderr] 121 |       static ref shift_re: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stderr]     |                  ^^^^^^^^ help: convert the identifier to upper case: `SHIFT_RE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `line_re` should have an upper case name
[INFO] [stderr]   --> src/puzzles/d7.rs:93:18
[INFO] [stderr]    |
[INFO] [stderr] 93 |       static ref line_re: Regex =
[INFO] [stderr]    |                  ^^^^^^^ help: convert the identifier to upper case: `LINE_RE`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adventofcode2018-fc02d36560b45e2d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a3bbc24b99cfe9ebd4a6a5742382172355997916afbb290a4ba59c693d5fa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3bbc24b99cfe9ebd4a6a5742382172355997916afbb290a4ba59c693d5fa7a", kill_on_drop: false }`
[INFO] [stdout] 3a3bbc24b99cfe9ebd4a6a5742382172355997916afbb290a4ba59c693d5fa7a