[INFO] cloning repository https://github.com/dat2/rpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dat2/rpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff69c0b7657770dadf547606f8eed1f935560920
[INFO] checking dat2/rpack against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frpack" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dat2/rpack on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dat2/rpack
[INFO] finished tweaking git repo https://github.com/dat2/rpack
[INFO] tweaked toml for git repo https://github.com/dat2/rpack written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/dat2/rpack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e967c8b70c7fe4bada841bb934dfc4aee526daae8a54c603aacc95560b1239f
[INFO] running `Command { std: "docker" "start" "-a" "8e967c8b70c7fe4bada841bb934dfc4aee526daae8a54c603aacc95560b1239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e967c8b70c7fe4bada841bb934dfc4aee526daae8a54c603aacc95560b1239f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e967c8b70c7fe4bada841bb934dfc4aee526daae8a54c603aacc95560b1239f", kill_on_drop: false }`
[INFO] [stdout] 8e967c8b70c7fe4bada841bb934dfc4aee526daae8a54c603aacc95560b1239f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac2dd7560a6e6c56df61c4722b87f32f032a0aae2f8aa60aeb1d3572676b7667
[INFO] running `Command { std: "docker" "start" "-a" "ac2dd7560a6e6c56df61c4722b87f32f032a0aae2f8aa60aeb1d3572676b7667", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking petgraph v0.4.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking combine v3.3.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1171:19
[INFO] [stdout]      |
[INFO] [stdout] 1171 |         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-0.4.12/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] 1171 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1172 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1173 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1171 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1172 +             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1173 +         })
[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-0.4.12/src/graph_impl/stable_graph/mod.rs:1363:19
[INFO] [stdout]      |
[INFO] [stdout] 1363 |         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-0.4.12/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] 1363 ~         IterUtilsExt::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1364 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1365 +                 EdgeReference {
[INFO] [stdout] 1366 +                     index: edge_index(i),
[INFO] [stdout] 1367 +                     node: edge.node,
[INFO] [stdout] 1368 +                     weight: weight,
[INFO] [stdout]    ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1363 ~         Iterator::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1364 +             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1365 +                 EdgeReference {
[INFO] [stdout] 1366 +                     index: edge_index(i),
[INFO] [stdout] 1367 +                     node: edge.node,
[INFO] [stdout] 1368 +                     weight: weight,
[INFO] [stdout]    ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.12/src/graph_impl/stable_graph/mod.rs:1527:19
[INFO] [stdout]      |
[INFO] [stdout] 1527 |         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-0.4.12/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] 1527 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1528 +             if node.weight.is_some() {
[INFO] [stdout] 1529 +                 Some(node_index(i))
[INFO] [stdout] 1530 +             } else { None }
[INFO] [stdout] 1531 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1527 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1528 +             if node.weight.is_some() {
[INFO] [stdout] 1529 +                 Some(node_index(i))
[INFO] [stdout] 1530 +             } else { None }
[INFO] [stdout] 1531 +         })
[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-0.4.12/src/graph_impl/stable_graph/mod.rs:1573:19
[INFO] [stdout]      |
[INFO] [stdout] 1573 |         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-0.4.12/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] 1573 ~         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1574 +             if node.weight.is_some() {
[INFO] [stdout] 1575 +                 Some(edge_index(i))
[INFO] [stdout] 1576 +             } else { None }
[INFO] [stdout] 1577 +         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1573 ~         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1574 +             if node.weight.is_some() {
[INFO] [stdout] 1575 +                 Some(edge_index(i))
[INFO] [stdout] 1576 +             } else { None }
[INFO] [stdout] 1577 +         })
[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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ac2dd7560a6e6c56df61c4722b87f32f032a0aae2f8aa60aeb1d3572676b7667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2dd7560a6e6c56df61c4722b87f32f032a0aae2f8aa60aeb1d3572676b7667", kill_on_drop: false }`
[INFO] [stdout] ac2dd7560a6e6c56df61c4722b87f32f032a0aae2f8aa60aeb1d3572676b7667