[INFO] cloning repository https://github.com/Web-Reversing-Tools/AlexEne__twiggy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Web-Reversing-Tools/AlexEne__twiggy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb-Reversing-Tools%2FAlexEne__twiggy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb-Reversing-Tools%2FAlexEne__twiggy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7036f7337c3ccd6630bb461f8bbfc6fc2ee7826d
[INFO] checking Web-Reversing-Tools/AlexEne__twiggy against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6 for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeb-Reversing-Tools%2FAlexEne__twiggy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Web-Reversing-Tools/AlexEne__twiggy
[INFO] finished tweaking git repo https://github.com/Web-Reversing-Tools/AlexEne__twiggy
[INFO] tweaked toml for git repo https://github.com/Web-Reversing-Tools/AlexEne__twiggy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Web-Reversing-Tools/AlexEne__twiggy on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Web-Reversing-Tools/AlexEne__twiggy 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: analyze/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-analyze` (manifest) generated 1 warning
[INFO] [stderr] warning: ir/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-ir` (manifest) generated 1 warning
[INFO] [stderr] warning: opt/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-opt` (manifest) generated 1 warning
[INFO] [stderr] warning: wasm-api/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-wasm-api` (manifest) generated 1 warning
[INFO] [stderr] warning: twiggy/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy` (manifest) generated 1 warning
[INFO] [stderr] warning: parser/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-parser` (manifest) generated 1 warning
[INFO] [stderr] warning: traits/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-traits` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9
[INFO] running `Command { std: "docker" "start" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: traits/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-traits` (manifest) generated 1 warning
[INFO] [stderr] warning: analyze/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-analyze` (manifest) generated 1 warning
[INFO] [stderr] warning: wasm-api/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-wasm-api` (manifest) generated 1 warning
[INFO] [stderr] warning: ir/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-ir` (manifest) generated 1 warning
[INFO] [stderr] warning: opt/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-opt` (manifest) generated 1 warning
[INFO] [stderr] warning: twiggy/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy` (manifest) generated 1 warning
[INFO] [stderr] warning: parser/Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `twiggy-parser` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.6/src/unstable.rs:284:25
[INFO] [stdout]     |
[INFO] [stdout] 284 |     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout]     |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 284 -     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout] 284 +     Nightly(SourceFile, FileName),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.6/src/unstable.rs:284:25
[INFO] [stdout]     |
[INFO] [stdout] 282 | #[derive(Clone, PartialEq, Eq)]
[INFO] [stdout]     |                            -- in this derive macro
[INFO] [stdout] 283 | pub enum SourceFile {
[INFO] [stdout] 284 |     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout]     |                         ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 284 -     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stdout] 284 +     Nightly(SourceFile, FileName),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `SourceFile` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.6/src/unstable.rs:289:32
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout]     |                                ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use stable::SourceFile;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `SourceFile`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 289 -     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stdout] 289 +     fn nightly(sf: SourceFile) -> Self {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stdout] error[E0658]: use of unstable library feature `proc_macro_def_site`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.6/src/unstable.rs:347:27
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-09; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `proc_macro_span`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.6/src/unstable.rs:424:55
[INFO] [stdout]     |
[INFO] [stdout] 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
[INFO] [stdout]     |                                                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stdout]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-09; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking petgraph v0.4.12
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling cpp_demangle v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stdout] Some errors have detailed explanations: E0425, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1171:19
[INFO] [stdout]      |
[INFO] [stdout] 1171 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout]    5 | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout]    6 | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1171 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1172 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1173 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1171 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1172 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1173 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1363:19
[INFO] [stdout]      |
[INFO] [stdout] 1363 |         self.iter.find_map(|(i, edge)|
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout]    5 | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout]    6 | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1363 ~         Iterator::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1364 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1365 +                 EdgeReference {
[INFO] [stdout] 1366 +                     index: edge_index(i),
[INFO] [stdout] 1367 +                     node: edge.node,
[INFO] [stdout] 1368 +                     weight: weight,
[INFO] [stdout] 1369 +                 }
[INFO] [stdout] 1370 +             }))
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1363 ~         IterUtilsExt::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1364 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1365 +                 EdgeReference {
[INFO] [stdout] 1366 +                     index: edge_index(i),
[INFO] [stdout] 1367 +                     node: edge.node,
[INFO] [stdout] 1368 +                     weight: weight,
[INFO] [stdout] 1369 +                 }
[INFO] [stdout] 1370 +             }))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1527:19
[INFO] [stdout]      |
[INFO] [stdout] 1527 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout]    5 | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout]    6 | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1527 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1528 +             if node.weight.is_some() {
[INFO] [stdout] 1529 +                 Some(node_index(i))
[INFO] [stdout] 1530 +             } else { None }
[INFO] [stdout] 1531 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1527 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1528 +             if node.weight.is_some() {
[INFO] [stdout] 1529 +                 Some(node_index(i))
[INFO] [stdout] 1530 +             } else { None }
[INFO] [stdout] 1531 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1573:19
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/petgraph-0.4.12/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout]    5 | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout]    6 | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1573 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1574 +             if node.weight.is_some() {
[INFO] [stdout] 1575 +                 Some(edge_index(i))
[INFO] [stdout] 1576 +             } else { None }
[INFO] [stdout] 1577 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1573 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1574 +             if node.weight.is_some() {
[INFO] [stdout] 1575 +                 Some(edge_index(i))
[INFO] [stdout] 1576 +             } else { None }
[INFO] [stdout] 1577 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petgraph` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9", kill_on_drop: false }`
[INFO] [stdout] 4935d283a1896dfc4c8b1dfed59f4cde79bf5db7184e91a52e036a0dc0e45bd9
