[INFO] cloning repository https://github.com/neoeinstein/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neoeinstein/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab1f91284b8b68ea1220674b17f0e1764869820
[INFO] testing neoeinstein/advent-of-code-2019 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoeinstein%2Fadvent-of-code-2019" "/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/neoeinstein/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/neoeinstein/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/neoeinstein/advent-of-code-2019 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neoeinstein/advent-of-code-2019 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neoeinstein/advent-of-code-2019 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9acc8911a0cf99f18eb9ca906332b357b339e1912adf57dc36579e501ad945c3
[INFO] running `Command { std: "docker" "start" "-a" "9acc8911a0cf99f18eb9ca906332b357b339e1912adf57dc36579e501ad945c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9acc8911a0cf99f18eb9ca906332b357b339e1912adf57dc36579e501ad945c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9acc8911a0cf99f18eb9ca906332b357b339e1912adf57dc36579e501ad945c3", kill_on_drop: false }`
[INFO] [stdout] 9acc8911a0cf99f18eb9ca906332b357b339e1912adf57dc36579e501ad945c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6926e11f18a2ca756c7d4c74fbd284dafa9957b84d4f7c376d87105c6a6c82e
[INFO] running `Command { std: "docker" "start" "-a" "b6926e11f18a2ca756c7d4c74fbd284dafa9957b84d4f7c376d87105c6a6c82e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling snafu-derive v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.9
[INFO] [stderr]    Compiling snafu v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stdout] warning: struct `UnaryOperands` is never constructed
[INFO] [stdout]    --> intcode/src/decode.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct UnaryOperands {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day04.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     (values[0]..=values[1])
[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] 53 -     (values[0]..=values[1])
[INFO] [stdout] 53 +     values[0]..=values[1]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day03.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |     BadDistance(std::num::ParseIntError),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InvalidDirective` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 210 -     BadDistance(std::num::ParseIntError),
[INFO] [stdout] 210 +     BadDistance(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]    --> src/day18.rs:778:8
[INFO] [stdout]     |
[INFO] [stdout] 778 | struct Path {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/day06.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 let _ = std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer {
[INFO] [stdout]     |                 ^^^^^                   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer {
[INFO] [stdout]     |              ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer {
[INFO] [stdout]     |                    ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer {
[INFO] [stdout]     |                         ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<T> {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<T> {
[INFO] [stdout]    |                   ^^^^^                    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<T> {
[INFO] [stdout]    |                ^^^^^                 ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:76:22
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<T> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<'_, T> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.50s
[INFO] running `Command { std: "docker" "inspect" "b6926e11f18a2ca756c7d4c74fbd284dafa9957b84d4f7c376d87105c6a6c82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6926e11f18a2ca756c7d4c74fbd284dafa9957b84d4f7c376d87105c6a6c82e", kill_on_drop: false }`
[INFO] [stdout] b6926e11f18a2ca756c7d4c74fbd284dafa9957b84d4f7c376d87105c6a6c82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a137f1c3540531758155e63ee8dcd0646c3fc332db784b1f4eb03b7a2deb193b
[INFO] running `Command { std: "docker" "start" "-a" "a137f1c3540531758155e63ee8dcd0646c3fc332db784b1f4eb03b7a2deb193b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stdout] warning: struct `UnaryOperands` is never constructed
[INFO] [stdout]    --> intcode/src/decode.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct UnaryOperands {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day04.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     (values[0]..=values[1])
[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] 53 -     (values[0]..=values[1])
[INFO] [stdout] 53 +     values[0]..=values[1]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day03.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |     BadDistance(std::num::ParseIntError),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InvalidDirective` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 210 -     BadDistance(std::num::ParseIntError),
[INFO] [stdout] 210 +     BadDistance(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]    --> src/day18.rs:778:8
[INFO] [stdout]     |
[INFO] [stdout] 778 | struct Path {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/day06.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 let _ = std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer {
[INFO] [stdout]     |                 ^^^^^                   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer {
[INFO] [stdout]     |              ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer {
[INFO] [stdout]     |                    ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer {
[INFO] [stdout]     |                         ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<T> {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<T> {
[INFO] [stdout]    |                   ^^^^^                    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<T> {
[INFO] [stdout]    |                ^^^^^                 ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:76:22
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<T> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<'_, T> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/day04.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     (values[0]..=values[1])
[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] 53 -     (values[0]..=values[1])
[INFO] [stdout] 53 +     values[0]..=values[1]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day03.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |     BadDistance(std::num::ParseIntError),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `InvalidDirective` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 210 -     BadDistance(std::num::ParseIntError),
[INFO] [stdout] 210 +     BadDistance(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]    --> src/day18.rs:778:8
[INFO] [stdout]     |
[INFO] [stdout] 778 | struct Path {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/day06.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 283 |                 let _ = std::mem::replace(&mut current, n);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer {
[INFO] [stdout]     |                 ^^^^^                   ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn layer_at(&self, start: usize) -> Layer<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:134:19
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn layers(&self) -> LayerIterator<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer {
[INFO] [stdout]     |              ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn layer(&self, idx: usize) -> Layer<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer {
[INFO] [stdout]     |                    ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn resolve(&self) -> Layer<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day08.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer {
[INFO] [stdout]     |                         ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn resolve_back(&self) -> Layer<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<T> {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn enumerate(&self) -> GridIterator<'_, T> {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<T> {
[INFO] [stdout]    |                   ^^^^^                    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<'_, T> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<T> {
[INFO] [stdout]    |                ^^^^^                 ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn row(&self, row: usize) -> RowIterator<'_, T> {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:76:22
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<T> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<'_, T> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a137f1c3540531758155e63ee8dcd0646c3fc332db784b1f4eb03b7a2deb193b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a137f1c3540531758155e63ee8dcd0646c3fc332db784b1f4eb03b7a2deb193b", kill_on_drop: false }`
[INFO] [stdout] a137f1c3540531758155e63ee8dcd0646c3fc332db784b1f4eb03b7a2deb193b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e3da35ab9650aa554a90b270ff6650d4ac0dac3288bc161a9b93f5c46d7107a
[INFO] running `Command { std: "docker" "start" "-a" "5e3da35ab9650aa554a90b270ff6650d4ac0dac3288bc161a9b93f5c46d7107a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `UnaryOperands` is never constructed
[INFO] [stderr]    --> intcode/src/decode.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 | pub struct UnaryOperands {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `intcode` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/day04.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     (values[0]..=values[1])
[INFO] [stderr]    |     ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 -     (values[0]..=values[1])
[INFO] [stderr] 53 +     values[0]..=values[1]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/day03.rs:210:17
[INFO] [stderr]     |
[INFO] [stderr] 210 |     BadDistance(std::num::ParseIntError),
[INFO] [stderr]     |     ----------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `InvalidDirective` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 210 -     BadDistance(std::num::ParseIntError),
[INFO] [stderr] 210 +     BadDistance(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Path` is never constructed
[INFO] [stderr]    --> src/day18.rs:778:8
[INFO] [stderr]     |
[INFO] [stderr] 778 | struct Path {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/day06.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 std::mem::replace(&mut current, n);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 let _ = std::mem::replace(&mut current, n);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/day08.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn layer_at(&self, start: usize) -> Layer {
[INFO] [stderr]     |                 ^^^^^                   ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn layer_at(&self, start: usize) -> Layer<'_> {
[INFO] [stderr]     |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/day08.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn layers(&self) -> LayerIterator {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 134 |     pub fn layers(&self) -> LayerIterator<'_> {
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/day08.rs:142:14
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn layer(&self, idx: usize) -> Layer {
[INFO] [stderr]     |              ^^^^^                 ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |              |
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn layer(&self, idx: usize) -> Layer<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/day08.rs:161:20
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn resolve(&self) -> Layer {
[INFO] [stderr]     |                    ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn resolve(&self) -> Layer<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/day08.rs:173:25
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn resolve_back(&self) -> Layer {
[INFO] [stderr]     |                         ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn resolve_back(&self) -> Layer<'_> {
[INFO] [stderr]     |                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/grid.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn enumerate(&self) -> GridIterator<T> {
[INFO] [stderr]    |                      ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn enumerate(&self) -> GridIterator<'_, T> {
[INFO] [stderr]    |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/grid.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<T> {
[INFO] [stderr]    |                   ^^^^^                    ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn column(&self, column: usize) -> ColumnIterator<'_, T> {
[INFO] [stderr]    |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/grid.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn row(&self, row: usize) -> RowIterator<T> {
[INFO] [stderr]    |                ^^^^^                 ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                |
[INFO] [stderr]    |                the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn row(&self, row: usize) -> RowIterator<'_, T> {
[INFO] [stderr]    |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/grid.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<T> {
[INFO] [stderr]    |                      ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn neighbors(&self, position: GridPosition) -> NeighborIterator<'_, T> {
[INFO] [stderr]    |                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2019` (lib) generated 13 warnings (run `cargo fix --lib -p advent-of-code-2019` to apply 10 suggestions)
[INFO] [stderr] warning: `advent-of-code-2019` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code_2019-7833cface99c99c9)
[INFO] [stdout] 
[INFO] [stdout] running 115 tests
[INFO] [stdout] test day01::tests::calculate_fuel_100756 ... ok
[INFO] [stdout] test day01::tests::calculate_fuel_12 ... ok
[INFO] [stdout] test day01::tests::calculate_fuel_1969 ... ok
[INFO] [stdout] test day01::tests::calculate_module_fuel_100756 ... ok
[INFO] [stdout] test day01::tests::calculate_module_fuel_12 ... ok
[INFO] [stdout] test day01::tests::calculate_module_fuel_14 ... ok
[INFO] [stdout] test day03::tests::least_manhattan_distance_a ... ok
[INFO] [stdout] test day03::tests::least_manhattan_distance_b ... ok
[INFO] [stdout] test day03::tests::least_wire_delay_a ... ok
[INFO] [stdout] test day06::tests::find_minimal_orbital_transfers ... ok
[INFO] [stdout] test day06::tests::verify_checksum_example ... ok
[INFO] [stdout] test day06::tests::verify_checksum_d ... ok
[INFO] [stdout] test day01::tests::calculate_module_fuel_1969 ... ok
[INFO] [stdout] test day06::tests::find_most_recent_common_ancestor ... ok
[INFO] [stdout] test day06::tests::verify_checksum_l ... ok
[INFO] [stdout] test day07::tests::part_2_example_2_async ... ok
[INFO] [stdout] test day01::tests::calculate_fuel_14 ... ok
[INFO] [stdout] test day08::tests::part_1_example_layer_0_char_count ... ok
[INFO] [stdout] test day06::tests::verify_checksum_com ... ok
[INFO] [stdout] test day08::tests::part_1_example_layer_1_char_count ... ok
[INFO] [stdout] test day07::tests::part_2_example_1 ... ok
[INFO] [stdout] test day07::tests::part_1_example_1 ... ok
[INFO] [stdout] test day08::tests::part_1_example_layer_count ... ok
[INFO] [stdout] test day08::tests::part_2_example_layer_count ... ok
[INFO] [stdout] test day07::tests::part_2_example_2 ... ok
[INFO] [stdout] test day03::tests::least_wire_delay_b ... ok
[INFO] [stdout] test day08::tests::part_2_example_resolve ... ok
[INFO] [stdout] test day08::tests::part_2_example_resolve_cmp ... ok
[INFO] [stdout] test day10::tests::best_monitoring_location_1 ... ok
[INFO] [stdout] test day10::tests::best_monitoring_location_2 ... ok
[INFO] [stdout] test day07::tests::part_1_example_3 ... ok
[INFO] [stdout] test day10::tests::calc_visibility_1 ... ok
[INFO] [stdout] test day10::tests::best_monitoring_location_3 ... ok
[INFO] [stdout] test day10::tests::calc_visibility_3 ... ok
[INFO] [stdout] test day10::tests::max_value ... ok
[INFO] [stdout] test day10::tests::ordering_equal ... ok
[INFO] [stdout] test day07::tests::part_1_example_2 ... ok
[INFO] [stdout] test day10::tests::ordering_rev ... ok
[INFO] [stdout] test day10::tests::slope_reduce_0_32 ... ok
[INFO] [stdout] test day10::tests::best_monitoring_location_4 ... ok
[INFO] [stdout] test day10::tests::calc_visibility_2 ... ok
[INFO] [stdout] test day10::tests::calc_visibility_4 ... ok
[INFO] [stdout] test day10::tests::slope_reduce_64_0 ... ok
[INFO] [stdout] test day06::tests::find_minimal_orbital_transfers_part_2 ... ok
[INFO] [stdout] test day10::tests::vaporize_small ... ok
[INFO] [stdout] test day10::tests::verify_parse_1 ... ok
[INFO] [stdout] test day10::tests::verify_parse_3 ... ok
[INFO] [stdout] test day10::tests::verify_parse_4 ... ok
[INFO] [stdout] test day06::tests::verify_part_1 ... ok
[INFO] [stdout] test day10::tests::slope_reduce_64_32 ... ok
[INFO] [stdout] test day10::tests::verify_parse_2 ... ok
[INFO] [stdout] test day10::tests::vaporize_large ... ok
[INFO] [stdout] test day12::tests::find_cycle_time_1 ... ok
[INFO] [stdout] test day14::tests::find_ore_requirement_example_1 ... ok
[INFO] [stdout] test day12::tests::verify_energy_after_step_10 ... ok
[INFO] [stdout] test day12::tests::verify_step_1 ... ok
[INFO] [stdout] test day14::tests::find_ore_requirement_example_2 ... ok
[INFO] [stdout] test day14::tests::find_ore_requirement_example_3 ... ok
[INFO] [stdout] test day14::tests::find_ore_requirement_example_4 ... ok
[INFO] [stdout] test day12::tests::verify_energy_after_step_100 ... ok
[INFO] [stdout] test day14::tests::find_ore_requirement_example_5 ... ok
[INFO] [stdout] test day10::tests::verify_parse_5 ... ok
[INFO] [stdout] test day14::tests::find_max_fuel_example_4 ... ok
[INFO] [stdout] test day14::tests::find_max_fuel_example_3 ... ok
[INFO] [stdout] test day16::tests::fft_iter_4 ... ok
[INFO] [stdout] test day16::tests::fft_step_1 ... ok
[INFO] [stdout] test day16::tests::fft_step_1_1 ... ok
[INFO] [stdout] test day18::tests::example_1 ... ok
[INFO] [stdout] test day18::tests::example_2 ... ok
[INFO] [stdout] test day16::tests::fft_iter_1 ... ok
[INFO] [stdout] test day16::tests::fft_iter_2 ... ok
[INFO] [stdout] test day16::tests::fft_iter_3 ... ok
[INFO] [stdout] test day18::tests::example_3 ... ok
[INFO] [stdout] test day12::tests::find_cycle_time_2 ... ok
[INFO] [stdout] test day16::tests::fft_example_2_iter_100 ... ok
[INFO] [stdout] test day18::tests::example_6 ... ok
[INFO] [stdout] test day18::tests::example_7 ... ok
[INFO] [stdout] test day14::tests::find_max_fuel_example_5 ... ok
[INFO] [stdout] test day18::tests::example_5 ... ok
[INFO] [stdout] test day18::tests::example_8 ... ok
[INFO] [stdout] test day10::tests::ordering ... ok
[INFO] [stdout] test day10::tests::min_value ... ok
[INFO] [stdout] test day20::tests::example_1_donut ... ok
[INFO] [stdout] test day20::tests::example_1_recursive ... ok
[INFO] [stdout] test day18::tests::example_9 ... ok
[INFO] [stdout] test day22::tests::cut_3 ... ok
[INFO] [stdout] test day22::tests::cut_neg4 ... ok
[INFO] [stdout] test day22::tests::deal_incr_1 ... ok
[INFO] [stdout] test day20::tests::example_2_recursive ... ok
[INFO] [stdout] test day22::tests::deal_incr_3 ... ok
[INFO] [stdout] test day22::tests::deal_incr_7 ... ok
[INFO] [stdout] test day22::tests::example_4 ... ok
[INFO] [stdout] test day22::tests::new_stack ... ok
[INFO] [stdout] test day22::tests::example_1 ... ok
[INFO] [stdout] test day22::tests::example_2 ... ok
[INFO] [stdout] test day22::tests::deal_incr_9 ... ok
[INFO] [stdout] test day20::tests::example_3_donut ... ok
[INFO] [stdout] test day24::tests::part_2_example_1_min ... ok
[INFO] [stdout] test day24::tests::validate_step_3 ... ok
[INFO] [stdout] test day24::tests::part1_example ... ok
[INFO] [stdout] test day24::tests::validate_step_4 ... ok
[INFO] [stdout] test day24::tests::validate_step_2 ... ok
[INFO] [stdout] test day16::tests::fft_example_3_iter_100 ... ok
[INFO] [stdout] test day24::tests::part_2_example_10_mins ... ok
[INFO] [stdout] test day22::tests::example_3 ... ok
[INFO] [stdout] test day20::tests::example_2_donut ... ok
[INFO] [stdout] test day20::tests::example_3_recursive ... ok
[INFO] [stdout] test day16::tests::fft_example_4_iter_100 ... ok
[INFO] [stdout] test day16::tests::fft_fast_example_4_iter_100 ... ok
[INFO] [stdout] test day24::tests::validate_step_1 ... ok
[INFO] [stdout] test day16::tests::fft_fast_example_2_iter_100 ... ok
[INFO] [stdout] test day16::tests::fft_fast_example_3_iter_100 ... ok
[INFO] [stdout] test day10::tests::calc_visibility_5 ... ok
[INFO] [stdout] test day10::tests::best_monitoring_location_5 ... ok
[INFO] [stdout] test day18::tests::example_4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 115 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-97cf627dde2b868f)
[INFO] [stderr]    Doc-tests advent_of_code_2019
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/day04.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     (values[0]..=values[1])
[INFO] [stderr]    |     ^                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 -     (values[0]..=values[1])
[INFO] [stderr] 53 +     values[0]..=values[1]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/day21.rs - day21 (line 144) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/day21.rs - day21 (line 144) stdout ----
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:145:10
[INFO] [stdout]     |
[INFO] [stdout] 145 | Register `E` indicates whether there is ground five tiles away.
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 145 - Register `E` indicates whether there is ground five tiles away.
[INFO] [stdout] 145 + Register 'E` indicates whether there is ground five tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 | Register `E` indicates whether there is ground five tiles away.
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 145 - Register `E` indicates whether there is ground five tiles away.
[INFO] [stdout] 145 + Register `E' indicates whether there is ground five tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 | Register `F` indicates whether there is ground six tiles away.
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 146 - Register `F` indicates whether there is ground six tiles away.
[INFO] [stdout] 146 + Register 'F` indicates whether there is ground six tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 | Register `F` indicates whether there is ground six tiles away.
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 146 - Register `F` indicates whether there is ground six tiles away.
[INFO] [stdout] 146 + Register `F' indicates whether there is ground six tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:147:10
[INFO] [stdout]     |
[INFO] [stdout] 147 | Register `G` indicates whether there is ground seven tiles away.
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 147 - Register `G` indicates whether there is ground seven tiles away.
[INFO] [stdout] 147 + Register 'G` indicates whether there is ground seven tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | Register `G` indicates whether there is ground seven tiles away.
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 147 - Register `G` indicates whether there is ground seven tiles away.
[INFO] [stdout] 147 + Register `G' indicates whether there is ground seven tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:148:10
[INFO] [stdout]     |
[INFO] [stdout] 148 | Register `H` indicates whether there is ground eight tiles away.
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 148 - Register `H` indicates whether there is ground eight tiles away.
[INFO] [stdout] 148 + Register 'H` indicates whether there is ground eight tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 | Register `H` indicates whether there is ground eight tiles away.
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 148 - Register `H` indicates whether there is ground eight tiles away.
[INFO] [stdout] 148 + Register `H' indicates whether there is ground eight tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:149:10
[INFO] [stdout]     |
[INFO] [stdout] 149 | Register `I` indicates whether there is ground nine tiles away.
[INFO] [stdout]     |          ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 149 - Register `I` indicates whether there is ground nine tiles away.
[INFO] [stdout] 149 + Register 'I` indicates whether there is ground nine tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]    --> src/day21.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | Register `I` indicates whether there is ground nine tiles away.
[INFO] [stdout]     |            ^
[INFO] [stdout]     |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]     |
[INFO] [stdout] 149 - Register `I` indicates whether there is ground nine tiles away.
[INFO] [stdout] 149 + Register `I' indicates whether there is ground nine tiles away.
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `E`
[INFO] [stdout]    --> src/day21.rs:145:11
[INFO] [stdout]     |
[INFO] [stdout] 145 | Register `E` indicates whether there is ground five tiles away.
[INFO] [stdout]     |           ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/day21.rs - day21 (line 144)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5e3da35ab9650aa554a90b270ff6650d4ac0dac3288bc161a9b93f5c46d7107a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3da35ab9650aa554a90b270ff6650d4ac0dac3288bc161a9b93f5c46d7107a", kill_on_drop: false }`
[INFO] [stdout] 5e3da35ab9650aa554a90b270ff6650d4ac0dac3288bc161a9b93f5c46d7107a
