[INFO] cloning repository https://github.com/nickmass/advent2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickmass/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Fadvent2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Fadvent2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64a1a31398894903ceb70157b44a4589deae84d4
[INFO] checking nickmass/advent2020 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickmass%2Fadvent2020" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nickmass/advent2020
[INFO] finished tweaking git repo https://github.com/nickmass/advent2020
[INFO] tweaked toml for git repo https://github.com/nickmass/advent2020 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nickmass/advent2020 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nickmass/advent2020 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2c0160c50f2ea19f688ba1029e1f6194051a8f2ae1da33875c857a814bcbb73
[INFO] running `Command { std: "docker" "start" "-a" "a2c0160c50f2ea19f688ba1029e1f6194051a8f2ae1da33875c857a814bcbb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c0160c50f2ea19f688ba1029e1f6194051a8f2ae1da33875c857a814bcbb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c0160c50f2ea19f688ba1029e1f6194051a8f2ae1da33875c857a814bcbb73", kill_on_drop: false }`
[INFO] [stdout] a2c0160c50f2ea19f688ba1029e1f6194051a8f2ae1da33875c857a814bcbb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de16b1ad0e20e0f7fdd156970c06bf6d068a194746b74b97be7b5d77d82f066b
[INFO] running `Command { std: "docker" "start" "-a" "de16b1ad0e20e0f7fdd156970c06bf6d068a194746b74b97be7b5d77d82f066b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.3
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling rustls v0.23.19
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking perf-event-open-sys v4.0.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking perf-event v0.4.8
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking webpki-roots v0.26.7
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
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[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
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[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking ureq v2.12.1
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MapMem` is never constructed
[INFO] [stdout]    --> src/solutions/year_2019/intcode.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct MapMem<W: Word> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:49:53
[INFO] [stdout]     |
[INFO] [stdout]  49 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  50 | |         #[derive(Eq, PartialEq)]
[INFO] [stdout]  51 | |         enum Stage {
[INFO] [stdout]  52 | |             Id,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         Ok(res)
[INFO] [stdout] 119 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Ok(res)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let rule: Rule = rule.as_ref().trim().parse().unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/solutions/year_2022/day_16.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn node(&self) -> &'a Node {
[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] 287 |     fn node(&self) -> &'a Node<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/solutions/year_2022/day_21.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn parse(line: &'a str, part_2: bool) -> Option<(&str, Self)> {
[INFO] [stdout]    |                     -- the lifetime is named here    ^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn parse(line: &'a str, part_2: bool) -> Option<(&'a str, Self)> {
[INFO] [stdout]    |                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solutions/year_2023/day_19.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn get(&self, workflow: &str) -> impl Iterator<Item = Rule> + '_ {
[INFO] [stdout]    |            ^^^^^                                          ^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]    |            |                                              |
[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] 93 |     fn get(&self, workflow: &str) -> impl Iterator<Item = Rule<'_>> + '_ {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `MapMem` is never constructed
[INFO] [stdout]    --> src/solutions/year_2019/intcode.rs:129:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct MapMem<W: Word> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:49:53
[INFO] [stdout]     |
[INFO] [stdout]  49 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout]  50 | |         #[derive(Eq, PartialEq)]
[INFO] [stdout]  51 | |         enum Stage {
[INFO] [stdout]  52 | |             Id,
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         Ok(res)
[INFO] [stdout] 119 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Ok(res)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<year_2020::day_19::Rule, Infallible>
[INFO] [stdout]    --> src/solutions/year_2020/day_19.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let rule: Rule = rule.as_ref().trim().parse().unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/solutions/year_2022/day_16.rs:287:13
[INFO] [stdout]     |
[INFO] [stdout] 287 |     fn node(&self) -> &'a Node {
[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] 287 |     fn node(&self) -> &'a Node<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/solutions/year_2022/day_21.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn parse(line: &'a str, part_2: bool) -> Option<(&str, Self)> {
[INFO] [stdout]    |                     -- the lifetime is named here    ^^^^ the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn parse(line: &'a str, part_2: bool) -> Option<(&'a str, Self)> {
[INFO] [stdout]    |                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solutions/year_2023/day_19.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn get(&self, workflow: &str) -> impl Iterator<Item = Rule> + '_ {
[INFO] [stdout]    |            ^^^^^                                          ^^^^    ^^ the same lifetime is elided here
[INFO] [stdout]    |            |                                              |
[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] 93 |     fn get(&self, workflow: &str) -> impl Iterator<Item = Rule<'_>> + '_ {
[INFO] [stdout]    |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "de16b1ad0e20e0f7fdd156970c06bf6d068a194746b74b97be7b5d77d82f066b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de16b1ad0e20e0f7fdd156970c06bf6d068a194746b74b97be7b5d77d82f066b", kill_on_drop: false }`
[INFO] [stdout] de16b1ad0e20e0f7fdd156970c06bf6d068a194746b74b97be7b5d77d82f066b
