[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 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [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 { [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 [INFO] [stdout] --> src/solutions/year_2020/day_19.rs:49:53 [INFO] [stdout] | [INFO] [stdout] 49 | fn from_str(s: &str) -> Result { [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 [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 [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 + '_ { [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> + '_ { [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 { [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 [INFO] [stdout] --> src/solutions/year_2020/day_19.rs:49:53 [INFO] [stdout] | [INFO] [stdout] 49 | fn from_str(s: &str) -> Result { [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 [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 [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 + '_ { [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> + '_ { [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