[INFO] cloning repository https://github.com/gpittarelli/to-and-from
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gpittarelli/to-and-from" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpittarelli%2Fto-and-from", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpittarelli%2Fto-and-from'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31febeec8ae558cc7e25295832c36f2f5633c8be
[INFO] checking gpittarelli/to-and-from/31febeec8ae558cc7e25295832c36f2f5633c8be against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpittarelli%2Fto-and-from" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gpittarelli/to-and-from on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gpittarelli/to-and-from
[INFO] finished tweaking git repo https://github.com/gpittarelli/to-and-from
[INFO] tweaked toml for git repo https://github.com/gpittarelli/to-and-from written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gpittarelli/to-and-from already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.8
[INFO] [stderr]   Downloaded serde_json v1.0.11
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.30
[INFO] [stderr]   Downloaded petgraph v0.4.11
[INFO] [stderr]   Downloaded itertools v0.7.7
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 264b644eda7c2639a7a9ad8c676dada0c09fca36942e1d04ad1b5c11d257e64d
[INFO] running `Command { std: "docker" "start" "-a" "264b644eda7c2639a7a9ad8c676dada0c09fca36942e1d04ad1b5c11d257e64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "264b644eda7c2639a7a9ad8c676dada0c09fca36942e1d04ad1b5c11d257e64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264b644eda7c2639a7a9ad8c676dada0c09fca36942e1d04ad1b5c11d257e64d", kill_on_drop: false }`
[INFO] [stdout] 264b644eda7c2639a7a9ad8c676dada0c09fca36942e1d04ad1b5c11d257e64d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e04c4b248854e47b3a30301a4a44e68f553dc72d46a581eb008d269d3d1fab71
[INFO] running `Command { std: "docker" "start" "-a" "e04c4b248854e47b3a30301a4a44e68f553dc72d46a581eb008d269d3d1fab71", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking serde v1.0.30
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/f609b7e0586f81fefb3523e3e17adf779ac416be/library/alloc/src/borrow.rs:179:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking petgraph v0.4.11
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1173:19
[INFO] [stdout]      |
[INFO] [stdout] 1173 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1173 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1174 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1175 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1173 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1174 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1175 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1365:19
[INFO] [stdout]      |
[INFO] [stdout] 1365 |         self.iter.find_map(|(i, edge)|
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1365 ~         Iterator::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1366 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1367 +                 EdgeReference {
[INFO] [stdout] 1368 +                     index: edge_index(i),
[INFO] [stdout] 1369 +                     node: edge.node,
[INFO] [stdout] 1370 +                     weight: weight,
[INFO] [stdout] 1371 +                 }
[INFO] [stdout] 1372 +             }))
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1365 ~         IterUtilsExt::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1366 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1367 +                 EdgeReference {
[INFO] [stdout] 1368 +                     index: edge_index(i),
[INFO] [stdout] 1369 +                     node: edge.node,
[INFO] [stdout] 1370 +                     weight: weight,
[INFO] [stdout] 1371 +                 }
[INFO] [stdout] 1372 +             }))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1529:19
[INFO] [stdout]      |
[INFO] [stdout] 1529 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1529 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1530 +             if node.weight.is_some() {
[INFO] [stdout] 1531 +                 Some(node_index(i))
[INFO] [stdout] 1532 +             } else { None }
[INFO] [stdout] 1533 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1529 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1530 +             if node.weight.is_some() {
[INFO] [stdout] 1531 +                 Some(node_index(i))
[INFO] [stdout] 1532 +             } else { None }
[INFO] [stdout] 1533 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/graph_impl/stable_graph/mod.rs:1575:19
[INFO] [stdout]      |
[INFO] [stdout] 1575 |         self.iter.find_map(|(i, node)| {
[INFO] [stdout]      |                   ^^^^^^^^ multiple `find_map` found
[INFO] [stdout]      |
[INFO] [stdout]      = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] note: candidate #2 is defined in an impl of the trait `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/petgraph-0.4.11/src/iter_utils.rs:5:5
[INFO] [stdout]      |
[INFO] [stdout] 5    | /     fn find_map<F, R>(&mut self, mut f: F) -> Option<R>
[INFO] [stdout] 6    | |         where F: FnMut(Self::Item) -> Option<R>
[INFO] [stdout]      | |_______________________________________________^
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]      |
[INFO] [stdout] 1575 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1576 +             if node.weight.is_some() {
[INFO] [stdout] 1577 +                 Some(edge_index(i))
[INFO] [stdout] 1578 +             } else { None }
[INFO] [stdout] 1579 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1575 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1576 +             if node.weight.is_some() {
[INFO] [stdout] 1577 +                 Some(edge_index(i))
[INFO] [stdout] 1578 +             } else { None }
[INFO] [stdout] 1579 +         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petgraph` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e04c4b248854e47b3a30301a4a44e68f553dc72d46a581eb008d269d3d1fab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04c4b248854e47b3a30301a4a44e68f553dc72d46a581eb008d269d3d1fab71", kill_on_drop: false }`
[INFO] [stdout] e04c4b248854e47b3a30301a4a44e68f553dc72d46a581eb008d269d3d1fab71