Dec 11 14:42:02.883 INFO checking lkschubert8/sloth against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:42:02.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 14:42:03.272 INFO [stdout] 6a0cfb46157d6bc5f18e5d740f5f342900e642f4a957565bfd3fcfd81203729a
Dec 11 14:42:03.274 INFO running `"docker" "start" "-a" "6a0cfb46157d6bc5f18e5d740f5f342900e642f4a957565bfd3fcfd81203729a"`
Dec 11 14:42:05.427 INFO [stderr] usermod: no changes
Dec 11 14:42:05.674 INFO [stderr]    Compiling bit-vec v0.4.4
Dec 11 14:42:05.675 INFO [stderr]    Compiling ena v0.5.0
Dec 11 14:42:05.675 INFO [stderr]    Compiling lalrpop-util v0.15.2
Dec 11 14:42:05.704 INFO [stderr]    Compiling arrayref v0.3.4
Dec 11 14:42:05.708 INFO [stderr]    Compiling memchr v2.0.1
Dec 11 14:42:05.728 INFO [stderr]    Compiling petgraph v0.4.12
Dec 11 14:42:06.546 INFO [stderr]     Checking ascii-canvas v1.0.0
Dec 11 14:42:09.309 INFO [stderr]    Compiling thread_local v0.3.5
Dec 11 14:42:09.482 INFO [stderr]    Compiling block-buffer v0.3.3
Dec 11 14:42:10.149 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 11 14:42:11.143 INFO [stderr]     Checking serde_yaml v0.8.2
Dec 11 14:42:11.205 INFO [stderr]    Compiling atty v0.1.2
Dec 11 14:42:13.950 INFO [stderr]    Compiling bit-set v0.4.0
Dec 11 14:42:13.970 INFO [stderr]    Compiling digest v0.7.4
Dec 11 14:42:16.200 INFO [stderr]     Checking docopt v0.8.3
Dec 11 14:42:16.414 INFO [stderr]     Checking sha2 v0.7.1
Dec 11 14:42:16.589 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:16.589 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1171:19
Dec 11 14:42:16.590 INFO [stderr]      |
Dec 11 14:42:16.590 INFO [stderr] 1171 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:16.590 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:16.604 INFO [stderr]      |
Dec 11 14:42:16.632 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:16.632 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:16.632 INFO [stderr]      |
Dec 11 14:42:16.632 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:16.632 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:16.632 INFO [stderr] 7    | |     {
Dec 11 14:42:16.632 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:16.632 INFO [stderr] ...    |
Dec 11 14:42:16.632 INFO [stderr] 13   | |         None
Dec 11 14:42:16.632 INFO [stderr] 14   | |     }
Dec 11 14:42:16.632 INFO [stderr]      | |_____^
Dec 11 14:42:16.632 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:16.632 INFO [stderr] 
Dec 11 14:42:16.684 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:16.684 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1363:19
Dec 11 14:42:16.684 INFO [stderr]      |
Dec 11 14:42:16.684 INFO [stderr] 1363 |         self.iter.find_map(|(i, edge)|
Dec 11 14:42:16.684 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:16.684 INFO [stderr]      |
Dec 11 14:42:16.684 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:16.684 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:16.684 INFO [stderr]      |
Dec 11 14:42:16.684 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:16.684 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:16.684 INFO [stderr] 7    | |     {
Dec 11 14:42:16.684 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:16.684 INFO [stderr] ...    |
Dec 11 14:42:16.684 INFO [stderr] 13   | |         None
Dec 11 14:42:16.684 INFO [stderr] 14   | |     }
Dec 11 14:42:16.684 INFO [stderr]      | |_____^
Dec 11 14:42:16.684 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:16.684 INFO [stderr] 
Dec 11 14:42:16.716 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:16.716 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1527:19
Dec 11 14:42:16.716 INFO [stderr]      |
Dec 11 14:42:16.716 INFO [stderr] 1527 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:16.716 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:16.716 INFO [stderr]      |
Dec 11 14:42:16.716 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:16.716 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:16.716 INFO [stderr]      |
Dec 11 14:42:16.716 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:16.716 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:16.716 INFO [stderr] 7    | |     {
Dec 11 14:42:16.716 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:16.716 INFO [stderr] ...    |
Dec 11 14:42:16.716 INFO [stderr] 13   | |         None
Dec 11 14:42:16.716 INFO [stderr] 14   | |     }
Dec 11 14:42:16.716 INFO [stderr]      | |_____^
Dec 11 14:42:16.716 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:16.716 INFO [stderr] 
Dec 11 14:42:16.730 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:16.730 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1573:19
Dec 11 14:42:16.730 INFO [stderr]      |
Dec 11 14:42:16.730 INFO [stderr] 1573 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:16.730 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:16.740 INFO [stderr]      |
Dec 11 14:42:16.740 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:16.740 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:16.740 INFO [stderr]      |
Dec 11 14:42:16.740 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:16.740 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:16.740 INFO [stderr] 7    | |     {
Dec 11 14:42:16.740 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:16.740 INFO [stderr] ...    |
Dec 11 14:42:16.740 INFO [stderr] 13   | |         None
Dec 11 14:42:16.740 INFO [stderr] 14   | |     }
Dec 11 14:42:16.740 INFO [stderr]      | |_____^
Dec 11 14:42:16.740 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:16.740 INFO [stderr] 
Dec 11 14:42:17.037 INFO [stderr]    Compiling string_cache v0.7.3
Dec 11 14:42:18.736 INFO [stderr] error: aborting due to 4 previous errors
Dec 11 14:42:18.736 INFO [stderr] 
Dec 11 14:42:18.736 INFO [stderr] For more information about this error, try `rustc --explain E0034`.
Dec 11 14:42:18.788 INFO [stderr] error: Could not compile `petgraph`.
Dec 11 14:42:18.788 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 14:42:18.852 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:18.852 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1171:19
Dec 11 14:42:18.853 INFO [stderr]      |
Dec 11 14:42:18.853 INFO [stderr] 1171 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:18.853 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:18.854 INFO [stderr]      |
Dec 11 14:42:18.855 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:18.855 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:18.855 INFO [stderr]      |
Dec 11 14:42:18.855 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:18.856 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:18.856 INFO [stderr] 7    | |     {
Dec 11 14:42:18.856 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:18.856 INFO [stderr] ...    |
Dec 11 14:42:18.856 INFO [stderr] 13   | |         None
Dec 11 14:42:18.857 INFO [stderr] 14   | |     }
Dec 11 14:42:18.858 INFO [stderr]      | |_____^
Dec 11 14:42:18.858 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:18.859 INFO [stderr] 
Dec 11 14:42:18.892 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:18.892 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1363:19
Dec 11 14:42:18.892 INFO [stderr]      |
Dec 11 14:42:18.892 INFO [stderr] 1363 |         self.iter.find_map(|(i, edge)|
Dec 11 14:42:18.892 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:18.893 INFO [stderr]      |
Dec 11 14:42:18.893 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:18.893 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:18.893 INFO [stderr]      |
Dec 11 14:42:18.894 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:18.894 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:18.894 INFO [stderr] 7    | |     {
Dec 11 14:42:18.894 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:18.894 INFO [stderr] ...    |
Dec 11 14:42:18.895 INFO [stderr] 13   | |         None
Dec 11 14:42:18.895 INFO [stderr] 14   | |     }
Dec 11 14:42:18.895 INFO [stderr]      | |_____^
Dec 11 14:42:18.895 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:18.895 INFO [stderr] 
Dec 11 14:42:18.918 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:18.918 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1527:19
Dec 11 14:42:18.918 INFO [stderr]      |
Dec 11 14:42:18.918 INFO [stderr] 1527 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:18.918 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:18.918 INFO [stderr]      |
Dec 11 14:42:18.918 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:18.920 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:18.920 INFO [stderr]      |
Dec 11 14:42:18.920 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:18.920 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:18.920 INFO [stderr] 7    | |     {
Dec 11 14:42:18.920 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:18.920 INFO [stderr] ...    |
Dec 11 14:42:18.920 INFO [stderr] 13   | |         None
Dec 11 14:42:18.920 INFO [stderr] 14   | |     }
Dec 11 14:42:18.920 INFO [stderr]      | |_____^
Dec 11 14:42:18.920 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:18.920 INFO [stderr] 
Dec 11 14:42:18.927 INFO [stderr] error[E0034]: multiple applicable items in scope
Dec 11 14:42:18.927 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1573:19
Dec 11 14:42:18.927 INFO [stderr]      |
Dec 11 14:42:18.927 INFO [stderr] 1573 |         self.iter.find_map(|(i, node)| {
Dec 11 14:42:18.927 INFO [stderr]      |                   ^^^^^^^^ multiple `find_map` found
Dec 11 14:42:18.932 INFO [stderr]      |
Dec 11 14:42:18.932 INFO [stderr] note: candidate #1 is defined in an impl of the trait `iter_utils::IterUtilsExt` for the type `_`
Dec 11 14:42:18.932 INFO [stderr]     --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/iter_utils.rs:5:5
Dec 11 14:42:18.932 INFO [stderr]      |
Dec 11 14:42:18.932 INFO [stderr] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
Dec 11 14:42:18.932 INFO [stderr] 6    | |         where F: FnMut(Self::Item) -> Option<R>
Dec 11 14:42:18.932 INFO [stderr] 7    | |     {
Dec 11 14:42:18.932 INFO [stderr] 8    | |         while let Some(elt) = self.next() {
Dec 11 14:42:18.932 INFO [stderr] ...    |
Dec 11 14:42:18.932 INFO [stderr] 13   | |         None
Dec 11 14:42:18.932 INFO [stderr] 14   | |     }
Dec 11 14:42:18.932 INFO [stderr]      | |_____^
Dec 11 14:42:18.932 INFO [stderr]      = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate<_>`
Dec 11 14:42:18.932 INFO [stderr] 
Dec 11 14:42:20.202 INFO [stderr] error: aborting due to 4 previous errors
Dec 11 14:42:20.202 INFO [stderr] 
Dec 11 14:42:20.202 INFO [stderr] For more information about this error, try `rustc --explain E0034`.
Dec 11 14:42:20.248 INFO [stderr] error: Could not compile `petgraph`.
Dec 11 14:42:20.248 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 14:42:21.844 INFO [stderr] error: build failed
Dec 11 14:42:21.848 INFO [stderr] su: No module specific data is present
Dec 11 14:42:22.924 INFO running `"docker" "inspect" "6a0cfb46157d6bc5f18e5d740f5f342900e642f4a957565bfd3fcfd81203729a"`
Dec 11 14:42:23.340 INFO running `"docker" "rm" "-f" "6a0cfb46157d6bc5f18e5d740f5f342900e642f4a957565bfd3fcfd81203729a"`
Dec 11 14:42:23.703 INFO [stdout] 6a0cfb46157d6bc5f18e5d740f5f342900e642f4a957565bfd3fcfd81203729a