[INFO] cloning repository https://github.com/ajfrantz/advent2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajfrantz/advent2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e142839799b03d3b8299bed6e4f1d93e2b1193f3
[INFO] checking ajfrantz/advent2018 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajfrantz%2Fadvent2018" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ajfrantz/advent2018
[INFO] finished tweaking git repo https://github.com/ajfrantz/advent2018
[INFO] tweaked toml for git repo https://github.com/ajfrantz/advent2018 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ajfrantz/advent2018 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ajfrantz/advent2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1516f4329922deb5d803a8c7a3ec94c130ee983ae9a011d5352017e6d61cc584
[INFO] running `Command { std: "docker" "start" "1516f4329922deb5d803a8c7a3ec94c130ee983ae9a011d5352017e6d61cc584", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]    Compiling memchr v2.1.2
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[INFO] [stderr]     Checking parking_lot_core v0.3.1
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[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking advent2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/8.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_EofError`
[INFO] [stdout] 14 | #[fail(display = "Ran out of input parsing node")]
[INFO] [stdout] 15 | struct EofError;
[INFO] [stdout]    |        -------- `EofError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/8.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_EofError`
[INFO] [stdout] 14 | #[fail(display = "Ran out of input parsing node")]
[INFO] [stdout] 15 | struct EofError;
[INFO] [stdout]    |        -------- `EofError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bin/23.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (dx + dy + dz)
[INFO] [stdout]    |         ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (dx + dy + dz)
[INFO] [stdout] 22 +         dx + dy + dz 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `distance` is never read
[INFO] [stdout]   --> src/bin/6.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 19 |     closest: usize,
[INFO] [stdout] 20 |     distance: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw` is never used
[INFO] [stdout]   --> src/bin/22.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn draw(grid: &Vec<Vec<RegionType>>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `distance` is never read
[INFO] [stdout]   --> src/bin/6.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 19 |     closest: usize,
[INFO] [stdout] 20 |     distance: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bin/23.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (dx + dy + dz)
[INFO] [stdout]    |         ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -         (dx + dy + dz)
[INFO] [stdout] 22 +         dx + dy + dz 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/8.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Fail` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_EofError`
[INFO] [stdout] 14 | #[fail(display = "Ran out of input parsing node")]
[INFO] [stdout] 15 | struct EofError;
[INFO] [stdout]    |        -------- `EofError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/bin/8.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Fail, Debug)]
[INFO] [stdout]    |          ^---
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_EofError`
[INFO] [stdout] 14 | #[fail(display = "Ran out of input parsing node")]
[INFO] [stdout] 15 | struct EofError;
[INFO] [stdout]    |        -------- `EofError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw` is never used
[INFO] [stdout]   --> src/bin/22.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn draw(grid: &Vec<Vec<RegionType>>) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/bin/15.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 58 |     width: usize,
[INFO] [stdout] 59 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/15.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 150 -             .into_iter()
[INFO] [stdout] 150 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 149 -         offsets
[INFO] [stdout] 150 -             .into_iter()
[INFO] [stdout] 149 +         IntoIterator::into_iter(offsets)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]   --> src/bin/15.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 58 |     width: usize,
[INFO] [stdout] 59 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]    --> src/bin/15.rs:150:14
[INFO] [stdout]     |
[INFO] [stdout] 150 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 150 -             .into_iter()
[INFO] [stdout] 150 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 149 -         offsets
[INFO] [stdout] 150 -             .into_iter()
[INFO] [stdout] 149 +         IntoIterator::into_iter(offsets)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "1516f4329922deb5d803a8c7a3ec94c130ee983ae9a011d5352017e6d61cc584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1516f4329922deb5d803a8c7a3ec94c130ee983ae9a011d5352017e6d61cc584", kill_on_drop: false }`
[INFO] [stdout] 1516f4329922deb5d803a8c7a3ec94c130ee983ae9a011d5352017e6d61cc584
