[INFO] cloning repository https://github.com/sdleffler/peony-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdleffler/peony-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdleffler%2Fpeony-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdleffler%2Fpeony-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f910db71120b158a7191ecb8310229f9d4026326
[INFO] checking sdleffler/peony-rs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdleffler%2Fpeony-rs" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdleffler/peony-rs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sdleffler/peony-rs
[INFO] finished tweaking git repo https://github.com/sdleffler/peony-rs
[INFO] tweaked toml for git repo https://github.com/sdleffler/peony-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sdleffler/peony-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/sdleffler/garden-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4abf0044e98f9ee96bb4e06929b18d97655346d7f5382dd1d5bb0808b36d085
[INFO] running `"docker" "start" "-a" "b4abf0044e98f9ee96bb4e06929b18d97655346d7f5382dd1d5bb0808b36d085"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.35
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling interpolate_idents v0.2.4
[INFO] [stderr]    Compiling petgraph v0.4.11
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use syntax::codemap::Span;
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::util::small_vector`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/parser_any_macro.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 | use syntax::util::small_vector::SmallVector;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ could not find `small_vector` in `util`
[INFO] [stderr] 
[INFO] [stderr] error[E0422]: cannot find struct, variant or union type `Delimited` in module `syntax::tokenstream`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:75:74
[INFO] [stderr]    |
[INFO] [stderr] 75 | ...                   TokenTree::Delimited(s, syntax::tokenstream::Delimited {
[INFO] [stderr]    |                                                                    ^^^^^^^^^ not found in `syntax::tokenstream`
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use syntax::tokenstream::TokenTree::Delimited;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:18:46
[INFO] [stderr]    |
[INFO] [stderr] 18 |     reg.register_macro("interpolate_idents", interpolate_idents);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `for<'cx, 'r> fn(&'cx mut syntax::ext::base::ExtCtxt<'r>, syntax::source_map::Span, syntax::tokenstream::TokenStream) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'cx)>`
[INFO] [stderr]               found type `for<'a, 'r, 's> fn(&'a mut syntax::ext::base::ExtCtxt<'r>, [type error], &'s [syntax::tokenstream::TokenTree]) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'a)> {interpolate_idents}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:89:41
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let parser = cx.new_parser_from_tts(&*tts);
[INFO] [stderr]    |                                         ^^^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::tokenstream::TokenStream`
[INFO] [stderr]               found type `&[syntax::tokenstream::TokenTree]`
[INFO] [stderr] 
[INFO] [stderr] error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 1 field
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |                         TokenTree::Token(ref span, Token::Ident(ref ident, _)) => {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 field, found 2
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no associated item named `Ident` found for type `syntax::parse::token::Token` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:32:59
[INFO] [stderr]    |
[INFO] [stderr] 32 |                         TokenTree::Token(ref span, Token::Ident(ref ident, _)) => {
[INFO] [stderr]    |                                                           ^^^^^
[INFO] [stderr]    |                                                           |
[INFO] [stderr]    |                                                           associated item not found in `syntax::parse::token::Token`
[INFO] [stderr]    |                                                           help: there is a method with a similar name: `ident`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 2 parameters were supplied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:46:30
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         Some(TokenTree::Token(s, Token::from_ast_ident(new_ident)))
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0624]: method `from_ast_ident` is private
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:46:50
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         Some(TokenTree::Token(s, Token::from_ast_ident(new_ident)))
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 1 field
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:66:20
[INFO] [stderr]    |
[INFO] [stderr] 66 |             if let TokenTree::Token(_, Token::Pound) = t {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 field, found 2
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no associated item named `Pound` found for type `syntax::parse::token::Token` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:66:47
[INFO] [stderr]    |
[INFO] [stderr] 66 |             if let TokenTree::Token(_, Token::Pound) = t {
[INFO] [stderr]    |                                               ^^^^^ associated item not found in `syntax::parse::token::Token`
[INFO] [stderr] 
[INFO] [stderr] error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 3 fields
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 TokenTree::Delimited(s, d) => {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 fields, found 2
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 | / ...                   TokenTree::Delimited(s, syntax::tokenstream::Delimited {
[INFO] [stderr] 76 | | ...                       delim: d.delim,
[INFO] [stderr] 77 | | ...                       tts: map_tts(d.tts.into()).into(),
[INFO] [stderr] 78 | | ...                   })
[INFO] [stderr]    | |________________________^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `span` on type `std::cell::RefMut<'_, syntax::parse::parser::Parser<'a>>`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/parser_any_macro.rs:53:31
[INFO] [stderr]    |
[INFO] [stderr] 53 |             let span = parser.span;
[INFO] [stderr]    |                               ^^^^ unknown field
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 parameter but 0 parameters were supplied
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/parser_any_macro.rs:66:54
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let ret = panictry!(self.parser.borrow_mut().parse_pat());
[INFO] [stderr]    |                                                      ^^^^^^^^^ expected 1 parameter
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/parser_any_macro.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 token::Eof => break,
[INFO] [stderr]    |                 ^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]               found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/interpolate_idents-0.2.4/src/parser_any_macro.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 token::Eof => break,
[INFO] [stderr]    |                 ^^^^^^^^^^ expected struct `syntax::parse::token::Token`, found enum `syntax::parse::token::TokenKind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::parse::token::Token`
[INFO] [stderr]               found type `syntax::parse::token::TokenKind`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 17 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0023, E0061, E0308, E0422, E0432, E0599, E0609, E0624.
[INFO] [stderr] For more information about an error, try `rustc --explain E0023`.
[INFO] [stderr] error: could not compile `interpolate_idents`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1173:19
[INFO] [stderr]      |
[INFO] [stderr] 1173 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = help: to disambiguate the method call, write `iter_utils::IterUtilsExt::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stderr]                      })` instead
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr]      = help: to disambiguate the method call, write `std::iter::Iterator::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stderr]                      })` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1365:19
[INFO] [stderr]      |
[INFO] [stderr] 1365 |         self.iter.find_map(|(i, edge)|
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = help: to disambiguate the method call, write `iter_utils::IterUtilsExt::find_map(self.iter, |(i, edge)|
[INFO] [stderr]                          edge.weight.as_ref().map(move |weight| {
[INFO] [stderr]                              EdgeReference {
[INFO] [stderr]                                  index: edge_index(i),
[INFO] [stderr]                                  node: edge.node,
[INFO] [stderr]                                  weight: weight,
[INFO] [stderr]                              }
[INFO] [stderr]                          }))` instead
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr]      = help: to disambiguate the method call, write `std::iter::Iterator::find_map(self.iter, |(i, edge)|
[INFO] [stderr]                          edge.weight.as_ref().map(move |weight| {
[INFO] [stderr]                              EdgeReference {
[INFO] [stderr]                                  index: edge_index(i),
[INFO] [stderr]                                  node: edge.node,
[INFO] [stderr]                                  weight: weight,
[INFO] [stderr]                              }
[INFO] [stderr]                          }))` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1529:19
[INFO] [stderr]      |
[INFO] [stderr] 1529 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = help: to disambiguate the method call, write `iter_utils::IterUtilsExt::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          if node.weight.is_some() {
[INFO] [stderr]                              Some(node_index(i))
[INFO] [stderr]                          } else { None }
[INFO] [stderr]                      })` instead
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr]      = help: to disambiguate the method call, write `std::iter::Iterator::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          if node.weight.is_some() {
[INFO] [stderr]                              Some(node_index(i))
[INFO] [stderr]                          } else { None }
[INFO] [stderr]                      })` instead
[INFO] [stderr] 
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1575:19
[INFO] [stderr]      |
[INFO] [stderr] 1575 |         self.iter.find_map(|(i, node)| {
[INFO] [stderr]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stderr]      |
[INFO] [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stderr]      |
[INFO] [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stderr] 7    | |     {
[INFO] [stderr] 8    | |         while let Some(elt) = self.next() {
[INFO] [stderr] ...    |
[INFO] [stderr] 13   | |         None
[INFO] [stderr] 14   | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      = help: to disambiguate the method call, write `iter_utils::IterUtilsExt::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          if node.weight.is_some() {
[INFO] [stderr]                              Some(edge_index(i))
[INFO] [stderr]                          } else { None }
[INFO] [stderr]                      })` instead
[INFO] [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
[INFO] [stderr]      = help: to disambiguate the method call, write `std::iter::Iterator::find_map(self.iter, |(i, node)| {
[INFO] [stderr]                          if node.weight.is_some() {
[INFO] [stderr]                              Some(edge_index(i))
[INFO] [stderr]                          } else { None }
[INFO] [stderr]                      })` instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: could not compile `petgraph`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b4abf0044e98f9ee96bb4e06929b18d97655346d7f5382dd1d5bb0808b36d085"`
[INFO] running `"docker" "rm" "-f" "b4abf0044e98f9ee96bb4e06929b18d97655346d7f5382dd1d5bb0808b36d085"`
[INFO] [stdout] b4abf0044e98f9ee96bb4e06929b18d97655346d7f5382dd1d5bb0808b36d085