[INFO] cloning repository https://github.com/bm-w/advent20-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bm-w/advent20-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent20-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent20-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7080e0daf313deb1daf6ac4de5ac74f0ee3ce3f
[INFO] checking bm-w/advent20-rs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbm-w%2Fadvent20-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bm-w/advent20-rs
[INFO] finished tweaking git repo https://github.com/bm-w/advent20-rs
[INFO] tweaked toml for git repo https://github.com/bm-w/advent20-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bm-w/advent20-rs on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bm-w/advent20-rs 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a558029f4f2e4aa93c70af5b3a52406a0d4840990f413ecd331f40df650447a
[INFO] running `Command { std: "docker" "start" "-a" "3a558029f4f2e4aa93c70af5b3a52406a0d4840990f413ecd331f40df650447a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a558029f4f2e4aa93c70af5b3a52406a0d4840990f413ecd331f40df650447a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a558029f4f2e4aa93c70af5b3a52406a0d4840990f413ecd331f40df650447a", kill_on_drop: false }`
[INFO] [stdout] 3a558029f4f2e4aa93c70af5b3a52406a0d4840990f413ecd331f40df650447a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c16840fa66c62adeea0530fdcec0dc92b1ff305480443e6497db74621e7a982
[INFO] running `Command { std: "docker" "start" "-a" "8c16840fa66c62adeea0530fdcec0dc92b1ff305480443e6497db74621e7a982", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking advent20 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub(super) struct InvalidFieldError(String);
[INFO] [stdout]     |                       ----------------- ^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidFieldError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/day05.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(super) struct InvalidRowError(char);
[INFO] [stdout]    |                       --------------- ^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidRowError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day05.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(super) struct InvalidColumnError(char);
[INFO] [stdout]     |                       ------------------ ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidColumnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/day07.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         InvalidColorWords(usize),
[INFO] [stdout]    |         ----------------- ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BagError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 75 -         InvalidColorWords(usize),
[INFO] [stdout] 75 +         InvalidColorWords(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/day08.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub(super) struct InvalidOpError(String);
[INFO] [stdout]    |                       -------------- ^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidOpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day13.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) struct InvalidBusError(ParseIntError);
[INFO] [stdout]     |                       --------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidBusError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day24.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Char(char),
[INFO] [stdout]     |         ---- ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 115 -         Char(char),
[INFO] [stdout] 115 +         Char(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day24.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |         Next(Option<char>)
[INFO] [stdout]     |         ---- ^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 116 -         Next(Option<char>)
[INFO] [stdout] 116 +         Next(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn input_passports_from_str(s: &str) -> Vec<Passport> {
[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] 73 | fn input_passports_from_str(s: &str) -> Vec<Passport<'_>> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day04.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub(super) fn try_passports_from_string(s: &str) -> Result<Vec<Passport>, PassportError> {
[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] 158 |     pub(super) fn try_passports_from_string(s: &str) -> Result<Vec<Passport<'_>>, PassportError> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day16.rs:21:86
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator<Item = &u32> + 'a {
[INFO] [stdout]    |                                    --                --                                 ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                                    |                 |                                  |
[INFO] [stdout]    |                                    |                 the lifetime is named here         the same lifetime is elided here
[INFO] [stdout]    |                                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator<Item = &'a u32> + 'a {
[INFO] [stdout]    |                                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day19.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn input_from_str(s: &str) -> Input {
[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] 195 | fn input_from_str(s: &str) -> Input<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day21.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn input_foods_from_str(s: &str) -> Vec<Food> {
[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] 35 | fn input_foods_from_str(s: &str) -> Vec<Food<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub(super) struct InvalidFieldError(String);
[INFO] [stdout]     |                       ----------------- ^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidFieldError` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/day05.rs:88:36
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(super) struct InvalidRowError(char);
[INFO] [stdout]    |                       --------------- ^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidRowError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day05.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub(super) struct InvalidColumnError(char);
[INFO] [stdout]     |                       ------------------ ^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidColumnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day13.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) struct InvalidBusError(ParseIntError);
[INFO] [stdout]     |                       --------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `InvalidBusError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day24.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |         Char(char),
[INFO] [stdout]     |         ---- ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 115 -         Char(char),
[INFO] [stdout] 115 +         Char(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day24.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |         Next(Option<char>)
[INFO] [stdout]     |         ---- ^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DirError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 116 -         Next(Option<char>)
[INFO] [stdout] 116 +         Next(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:73:32
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn input_passports_from_str(s: &str) -> Vec<Passport> {
[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] 73 | fn input_passports_from_str(s: &str) -> Vec<Passport<'_>> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day04.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub(super) fn try_passports_from_string(s: &str) -> Result<Vec<Passport>, PassportError> {
[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] 158 |     pub(super) fn try_passports_from_string(s: &str) -> Result<Vec<Passport<'_>>, PassportError> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day16.rs:21:86
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator<Item = &u32> + 'a {
[INFO] [stdout]    |                                    --                --                                 ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                                    |                 |                                  |
[INFO] [stdout]    |                                    |                 the lifetime is named here         the same lifetime is elided here
[INFO] [stdout]    |                                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn invalid_ticket_numbers<'a>(&'a self, ticket: &'a Ticket) -> impl Iterator<Item = &'a u32> + 'a {
[INFO] [stdout]    |                                                                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day19.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn input_from_str(s: &str) -> Input {
[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] 195 | fn input_from_str(s: &str) -> Input<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day21.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn input_foods_from_str(s: &str) -> Vec<Food> {
[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] 35 | fn input_foods_from_str(s: &str) -> Vec<Food<'_>> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "8c16840fa66c62adeea0530fdcec0dc92b1ff305480443e6497db74621e7a982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c16840fa66c62adeea0530fdcec0dc92b1ff305480443e6497db74621e7a982", kill_on_drop: false }`
[INFO] [stdout] 8c16840fa66c62adeea0530fdcec0dc92b1ff305480443e6497db74621e7a982
