[INFO] updating cached repository https://github.com/j-dong/p7-compiler [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] d28a2845ffdcdaed52b07b624f0c6fe75a174b22 [INFO] testing j-dong/p7-compiler against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-dong%2Fp7-compiler" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/j-dong/p7-compiler on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/j-dong/p7-compiler [INFO] finished tweaking git repo https://github.com/j-dong/p7-compiler [INFO] tweaked toml for git repo https://github.com/j-dong/p7-compiler written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/j-dong/p7-compiler already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 63b97f4b1ffb28735a36913c9e8ba3a4e97167d8b6c2a096e763894b3a8154de [INFO] running `"docker" "start" "-a" "63b97f4b1ffb28735a36913c9e8ba3a4e97167d8b6c2a096e763894b3a8154de"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Compiling lalrpop-util v0.15.0 [INFO] [stderr] Compiling lalrpop-intern v0.15.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling petgraph v0.4.11 [INFO] [stderr] Compiling regex-syntax v0.5.3 [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 `I` [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(&mut self, mut f: F) -> Option [INFO] [stderr] 6 | | where F: FnMut(Self::Item) -> Option [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] = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 1173 | iter_utils::IterUtilsExt::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1174 | node.weight.as_ref().map(move |w| (node_index(i), w)) [INFO] [stderr] 1175 | }) [INFO] [stderr] | [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 1173 | std::iter::Iterator::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1174 | node.weight.as_ref().map(move |w| (node_index(i), w)) [INFO] [stderr] 1175 | }) [INFO] [stderr] | [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 `I` [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(&mut self, mut f: F) -> Option [INFO] [stderr] 6 | | where F: FnMut(Self::Item) -> Option [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] = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 1365 | iter_utils::IterUtilsExt::find_map(&mut self.iter, |(i, edge)| [INFO] [stderr] 1366 | edge.weight.as_ref().map(move |weight| { [INFO] [stderr] 1367 | EdgeReference { [INFO] [stderr] 1368 | index: edge_index(i), [INFO] [stderr] 1369 | node: edge.node, [INFO] [stderr] 1370 | weight: weight, [INFO] [stderr] ... [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 1365 | std::iter::Iterator::find_map(&mut self.iter, |(i, edge)| [INFO] [stderr] 1366 | edge.weight.as_ref().map(move |weight| { [INFO] [stderr] 1367 | EdgeReference { [INFO] [stderr] 1368 | index: edge_index(i), [INFO] [stderr] 1369 | node: edge.node, [INFO] [stderr] 1370 | weight: weight, [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] Compiling rand v0.3.22 [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 `I` [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(&mut self, mut f: F) -> Option [INFO] [stderr] 6 | | where F: FnMut(Self::Item) -> Option [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] = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 1529 | iter_utils::IterUtilsExt::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1530 | if node.weight.is_some() { [INFO] [stderr] 1531 | Some(node_index(i)) [INFO] [stderr] 1532 | } else { None } [INFO] [stderr] 1533 | }) [INFO] [stderr] | [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 1529 | std::iter::Iterator::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1530 | if node.weight.is_some() { [INFO] [stderr] 1531 | Some(node_index(i)) [INFO] [stderr] 1532 | } else { None } [INFO] [stderr] 1533 | }) [INFO] [stderr] | [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 `I` [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(&mut self, mut f: F) -> Option [INFO] [stderr] 6 | | where F: FnMut(Self::Item) -> Option [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] = note: candidate #2 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Enumerate` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 1575 | iter_utils::IterUtilsExt::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1576 | if node.weight.is_some() { [INFO] [stderr] 1577 | Some(edge_index(i)) [INFO] [stderr] 1578 | } else { None } [INFO] [stderr] 1579 | }) [INFO] [stderr] | [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 1575 | std::iter::Iterator::find_map(&mut self.iter, |(i, node)| { [INFO] [stderr] 1576 | if node.weight.is_some() { [INFO] [stderr] 1577 | Some(edge_index(i)) [INFO] [stderr] 1578 | } else { None } [INFO] [stderr] 1579 | }) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] Compiling phf_generator v0.7.21 [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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "63b97f4b1ffb28735a36913c9e8ba3a4e97167d8b6c2a096e763894b3a8154de"` [INFO] running `"docker" "rm" "-f" "63b97f4b1ffb28735a36913c9e8ba3a4e97167d8b6c2a096e763894b3a8154de"` [INFO] [stdout] 63b97f4b1ffb28735a36913c9e8ba3a4e97167d8b6c2a096e763894b3a8154de