Dec 13 22:00:44.329 INFO testing davidshepherd7/advent-of-code-2017 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 22:00:44.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 22:00:44.743 INFO [stdout] a4596036a06c561b5a9e327aa7100dd77ef745a6e250f691faa5d297af02d49d
Dec 13 22:00:44.748 INFO running `"docker" "start" "-a" "a4596036a06c561b5a9e327aa7100dd77ef745a6e250f691faa5d297af02d49d"`
Dec 13 22:00:46.779 INFO [stderr] usermod: no changes
Dec 13 22:00:46.892 INFO [stderr]    Compiling petgraph v0.4.11
Dec 13 22:00:48.781 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 13 22:00:48.782 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1173:19
Dec 13 22:00:48.782 INFO [stderr]      |
Dec 13 22:00:48.782 INFO [stderr] 1173 |         self.iter.find_map(|(i, node)| {
Dec 13 22:00:48.782 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 13 22:00:48.782 INFO [stderr]      |
Dec 13 22:00:48.782 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 13 22:00:48.782 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
Dec 13 22:00:48.782 INFO [stderr]      |
Dec 13 22:00:48.782 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 13 22:00:48.782 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 13 22:00:48.782 INFO [stderr] 7    | |     {
Dec 13 22:00:48.782 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 13 22:00:48.782 INFO [stderr] ...    |
Dec 13 22:00:48.782 INFO [stderr] 13   | |         None
Dec 13 22:00:48.782 INFO [stderr] 14   | |     }
Dec 13 22:00:48.782 INFO [stderr]      | |_____^
Dec 13 22:00:48.782 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 13 22:00:48.782 INFO [stderr] 
Dec 13 22:00:48.798 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 13 22:00:48.798 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1365:19
Dec 13 22:00:48.798 INFO [stderr]      |
Dec 13 22:00:48.798 INFO [stderr] 1365 |         self.iter.find_map(|(i, edge)|
Dec 13 22:00:48.798 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 13 22:00:48.798 INFO [stderr]      |
Dec 13 22:00:48.799 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 13 22:00:48.799 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
Dec 13 22:00:48.799 INFO [stderr]      |
Dec 13 22:00:48.799 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 13 22:00:48.799 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 13 22:00:48.799 INFO [stderr] 7    | |     {
Dec 13 22:00:48.799 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 13 22:00:48.799 INFO [stderr] ...    |
Dec 13 22:00:48.799 INFO [stderr] 13   | |         None
Dec 13 22:00:48.799 INFO [stderr] 14   | |     }
Dec 13 22:00:48.799 INFO [stderr]      | |_____^
Dec 13 22:00:48.799 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 13 22:00:48.799 INFO [stderr] 
Dec 13 22:00:48.807 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 13 22:00:48.807 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1529:19
Dec 13 22:00:48.807 INFO [stderr]      |
Dec 13 22:00:48.807 INFO [stderr] 1529 |         self.iter.find_map(|(i, node)| {
Dec 13 22:00:48.807 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 13 22:00:48.807 INFO [stderr]      |
Dec 13 22:00:48.808 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 13 22:00:48.808 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
Dec 13 22:00:48.808 INFO [stderr]      |
Dec 13 22:00:48.808 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 13 22:00:48.808 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 13 22:00:48.808 INFO [stderr] 7    | |     {
Dec 13 22:00:48.808 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 13 22:00:48.808 INFO [stderr] ...    |
Dec 13 22:00:48.808 INFO [stderr] 13   | |         None
Dec 13 22:00:48.808 INFO [stderr] 14   | |     }
Dec 13 22:00:48.808 INFO [stderr]      | |_____^
Dec 13 22:00:48.808 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 13 22:00:48.808 INFO [stderr] 
Dec 13 22:00:48.812 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 13 22:00:48.812 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1575:19
Dec 13 22:00:48.812 INFO [stderr]      |
Dec 13 22:00:48.812 INFO [stderr] 1575 |         self.iter.find_map(|(i, node)| {
Dec 13 22:00:48.812 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 13 22:00:48.812 INFO [stderr]      |
Dec 13 22:00:48.812 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 13 22:00:48.812 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.11/src/iter_utils.rs:5:5
Dec 13 22:00:48.812 INFO [stderr]      |
Dec 13 22:00:48.812 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 13 22:00:48.812 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 13 22:00:48.812 INFO [stderr] 7    | |     {
Dec 13 22:00:48.812 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 13 22:00:48.812 INFO [stderr] ...    |
Dec 13 22:00:48.812 INFO [stderr] 13   | |         None
Dec 13 22:00:48.812 INFO [stderr] 14   | |     }
Dec 13 22:00:48.812 INFO [stderr]      | |_____^
Dec 13 22:00:48.812 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 13 22:00:48.812 INFO [stderr] 
Dec 13 22:00:49.091 INFO [stderr] error: aborting due to 4 previous errors
Dec 13 22:00:49.091 INFO [stderr] 
Dec 13 22:00:49.091 INFO [stderr] For more information about this error, try `rustc --explain E0034`.
Dec 13 22:00:49.104 INFO [stderr] error: Could not compile `petgraph`.
Dec 13 22:00:49.104 INFO [stderr] 
Dec 13 22:00:49.104 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 22:00:49.106 INFO [stderr] su: No module specific data is present
Dec 13 22:00:50.983 INFO running `"docker" "inspect" "a4596036a06c561b5a9e327aa7100dd77ef745a6e250f691faa5d297af02d49d"`
Dec 13 22:00:51.338 INFO running `"docker" "rm" "-f" "a4596036a06c561b5a9e327aa7100dd77ef745a6e250f691faa5d297af02d49d"`
Dec 13 22:00:51.731 INFO [stdout] a4596036a06c561b5a9e327aa7100dd77ef745a6e250f691faa5d297af02d49d