[INFO] updating cached repository Lymia/sylph-verifier [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Lymia/sylph-verifier [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Lymia/sylph-verifier" "work/ex/beta-1.38-1/sources/1.37.0/gh/Lymia/sylph-verifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Lymia/sylph-verifier'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Lymia/sylph-verifier" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lymia/sylph-verifier"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lymia/sylph-verifier'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 67001b418d1b69bd02251dfa6da101b065c29454 [INFO] sha for GitHub repo Lymia/sylph-verifier: 67001b418d1b69bd02251dfa6da101b065c29454 [INFO] validating manifest of Lymia/sylph-verifier on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Lymia/sylph-verifier on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Lymia/sylph-verifier [INFO] finished frobbing Lymia/sylph-verifier [INFO] frobbed toml for Lymia/sylph-verifier written to work/ex/beta-1.38-1/sources/1.37.0/gh/Lymia/sylph-verifier/Cargo.toml [INFO] started frobbing Lymia/sylph-verifier [INFO] finished frobbing Lymia/sylph-verifier [INFO] frobbed toml for Lymia/sylph-verifier written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lymia/sylph-verifier/Cargo.toml [INFO] crate Lymia/sylph-verifier already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing Lymia/sylph-verifier against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lymia/sylph-verifier:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 5ce270c9eb0402a5a0a6cc064637f5a32bfc377dfeddab1b462805183e00e05a [INFO] running `"docker" "start" "-a" "5ce270c9eb0402a5a0a6cc064637f5a32bfc377dfeddab1b462805183e00e05a"` [INFO] [stderr] Compiling serde v1.0.61 [INFO] [stderr] Compiling enumset v0.3.10 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling curl-sys v0.4.5 [INFO] [stderr] Compiling libsqlite3-sys v0.9.1 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/enumset-0.3.10/src/lib.rs:2:39 [INFO] [stderr] | [INFO] [stderr] 2 | #![cfg_attr(all(feature = "nightly"), feature(allow_internal_unstable, macro_vis_matcher))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling petgraph v0.4.12 [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `enumset`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1171:19 [INFO] [stderr] | [INFO] [stderr] 1171 | 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/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] = 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1363:19 [INFO] [stderr] | [INFO] [stderr] 1363 | 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/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] = 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1527:19 [INFO] [stderr] | [INFO] [stderr] 1527 | 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/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] = 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1573:19 [INFO] [stderr] | [INFO] [stderr] 1573 | 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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/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] = 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] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5ce270c9eb0402a5a0a6cc064637f5a32bfc377dfeddab1b462805183e00e05a"` [INFO] running `"docker" "rm" "-f" "5ce270c9eb0402a5a0a6cc064637f5a32bfc377dfeddab1b462805183e00e05a"` [INFO] [stdout] 5ce270c9eb0402a5a0a6cc064637f5a32bfc377dfeddab1b462805183e00e05a