[INFO] cloning repository https://github.com/Mark-Simulacrum/association-rust-history
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mark-Simulacrum/association-rust-history" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fassociation-rust-history", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fassociation-rust-history'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e77a5d0d9d207ff0eafe7489bf666bcdd31374cd
[INFO] testing Mark-Simulacrum/association-rust-history against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fassociation-rust-history" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mark-Simulacrum/association-rust-history on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mark-Simulacrum/association-rust-history
[INFO] finished tweaking git repo https://github.com/Mark-Simulacrum/association-rust-history
[INFO] tweaked toml for git repo https://github.com/Mark-Simulacrum/association-rust-history written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/Mark-Simulacrum/association-rust-history already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56b5f9e4f94293026bee9888116db8f1b01127aaf8f92749077e9ed4fa384179
[INFO] running `Command { std: "docker" "start" "-a" "56b5f9e4f94293026bee9888116db8f1b01127aaf8f92749077e9ed4fa384179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b5f9e4f94293026bee9888116db8f1b01127aaf8f92749077e9ed4fa384179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b5f9e4f94293026bee9888116db8f1b01127aaf8f92749077e9ed4fa384179", kill_on_drop: false }`
[INFO] [stdout] 56b5f9e4f94293026bee9888116db8f1b01127aaf8f92749077e9ed4fa384179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc15ba9560378bb3b56b1618be8a5c28a9ad45c7c38d188351b1bc48c6ded65d
[INFO] running `Command { std: "docker" "start" "-a" "fc15ba9560378bb3b56b1618be8a5c28a9ad45c7c38d188351b1bc48c6ded65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.1.8
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling petgraph v0.4.11
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling libgit2-sys v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]      = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]      = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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]    ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[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]    ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]      = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `IterUtilsExt` for the type `I`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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]      = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `Enumerate<I>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.1.42
[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`
[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 `Command { std: "docker" "inspect" "fc15ba9560378bb3b56b1618be8a5c28a9ad45c7c38d188351b1bc48c6ded65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc15ba9560378bb3b56b1618be8a5c28a9ad45c7c38d188351b1bc48c6ded65d", kill_on_drop: false }`
[INFO] [stdout] fc15ba9560378bb3b56b1618be8a5c28a9ad45c7c38d188351b1bc48c6ded65d
