[INFO] updating cached repository https://github.com/splusminusx/weaver-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20272e4ed9b7ecb23f70f46aba351b6a3aab878e
[INFO] checking splusminusx/weaver-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplusminusx%2Fweaver-rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/splusminusx/weaver-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/splusminusx/weaver-rs
[INFO] finished tweaking git repo https://github.com/splusminusx/weaver-rs
[INFO] tweaked toml for git repo https://github.com/splusminusx/weaver-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/splusminusx/weaver-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 7c91ed38789b66ee302609e2273cfdda8766f049b3d1d4188c5e40c1d4fddf36
[INFO] running `"docker" "start" "-a" "7c91ed38789b66ee302609e2273cfdda8766f049b3d1d4188c5e40c1d4fddf36"`
[INFO] [stderr]    Compiling cc v1.0.4
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[INFO] [stderr]    Compiling cmake v0.1.29
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[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling petgraph v0.4.11
[INFO] [stderr]    Compiling codegen v0.1.0 (https://github.com/carllerche/codegen#6d0fea36)
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[INFO] [stderr]    Compiling openssl-sys v0.9.25
[INFO] [stderr]    Compiling libz-sys v1.0.18 (https://github.com/busyjay/libz-sys.git?branch=static-link#bb77b618)
[INFO] [stderr]    Compiling bzip2-sys v0.1.6 (https://github.com/alexcrichton/bzip2-rs.git#b82dee62)
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling lz4-sys v1.8.0 (https://github.com/busyjay/lz4-rs.git?branch=adjust-build#41509fea)
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking tower v0.1.0 (https://github.com/tower-rs/tower#c06aa545)
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[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]    Compiling zstd-sys v1.4.2+zstd.1.3.3 (https://github.com/gyscos/zstd-rs.git#3e758766)
[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]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling snappy-sys v0.1.0 (https://github.com/busyjay/rust-snappy.git?branch=static-link#be021783)
[INFO] [stderr]    Compiling librocksdb_sys v0.1.0 (https://github.com/pingcap/rust-rocksdb.git#cb63dcd1)
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.11
[INFO] [stderr]    Compiling procinfo v0.3.1
[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" "7c91ed38789b66ee302609e2273cfdda8766f049b3d1d4188c5e40c1d4fddf36"`
[INFO] running `"docker" "rm" "-f" "7c91ed38789b66ee302609e2273cfdda8766f049b3d1d4188c5e40c1d4fddf36"`
[INFO] [stdout] 7c91ed38789b66ee302609e2273cfdda8766f049b3d1d4188c5e40c1d4fddf36