[INFO] cloning repository https://github.com/Jengamon/Mister
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jengamon/Mister" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2FMister", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2FMister'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5a0ba85c3e8ff7cdc3dc9dab987701430d40f80
[INFO] documenting Jengamon/Mister against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2FMister" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jengamon/Mister 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/Jengamon/Mister
[INFO] finished tweaking git repo https://github.com/Jengamon/Mister
[INFO] tweaked toml for git repo https://github.com/Jengamon/Mister written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jengamon/Mister 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1cfc07bfa3847ee6059dfafee2d99bf5525bb8bb5a1d6fbba4ea8d80d00ab331
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cfc07bfa3847ee6059dfafee2d99bf5525bb8bb5a1d6fbba4ea8d80d00ab331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cfc07bfa3847ee6059dfafee2d99bf5525bb8bb5a1d6fbba4ea8d80d00ab331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfc07bfa3847ee6059dfafee2d99bf5525bb8bb5a1d6fbba4ea8d80d00ab331", kill_on_drop: false }`
[INFO] [stdout] 1cfc07bfa3847ee6059dfafee2d99bf5525bb8bb5a1d6fbba4ea8d80d00ab331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b477b51abc2bdbdbe9302105820e34a62d07c5b34581ec0e73dfdaf4fcabab8c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b477b51abc2bdbdbe9302105820e34a62d07c5b34581ec0e73dfdaf4fcabab8c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking cassowary v0.2.1
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]     Checking exoquant v0.2.0
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking gfx_core v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking petgraph v0.4.9
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]     Checking alga v0.5.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/petgraph-0.4.9/src/graph_impl/stable_graph/mod.rs:1172:19
[INFO] [stdout]      |
[INFO] [stdout] 1172 |         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-0.4.9/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] 1172 |         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1173 |             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1174 |         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1172 |         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1173 |             node.weight.as_ref().map(move |w| (node_index(i), w))
[INFO] [stdout] 1174 |         })
[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-0.4.9/src/graph_impl/stable_graph/mod.rs:1355:19
[INFO] [stdout]      |
[INFO] [stdout] 1355 |         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-0.4.9/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] 1355 |         IterUtilsExt::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1356 |             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1357 |                 EdgeReference {
[INFO] [stdout] 1358 |                     index: edge_index(i),
[INFO] [stdout] 1359 |                     node: edge.node,
[INFO] [stdout] 1360 |                     weight: weight,
[INFO] [stdout]    ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1355 |         Iterator::find_map(&mut self.iter, |(i, edge)|
[INFO] [stdout] 1356 |             edge.weight.as_ref().map(move |weight| {
[INFO] [stdout] 1357 |                 EdgeReference {
[INFO] [stdout] 1358 |                     index: edge_index(i),
[INFO] [stdout] 1359 |                     node: edge.node,
[INFO] [stdout] 1360 |                     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-0.4.9/src/graph_impl/stable_graph/mod.rs:1519:19
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         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-0.4.9/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] 1519 |         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1520 |             if node.weight.is_some() {
[INFO] [stdout] 1521 |                 Some(node_index(i))
[INFO] [stdout] 1522 |             } else { None }
[INFO] [stdout] 1523 |         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1519 |         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1520 |             if node.weight.is_some() {
[INFO] [stdout] 1521 |                 Some(node_index(i))
[INFO] [stdout] 1522 |             } else { None }
[INFO] [stdout] 1523 |         })
[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-0.4.9/src/graph_impl/stable_graph/mod.rs:1565:19
[INFO] [stdout]      |
[INFO] [stdout] 1565 |         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-0.4.9/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] 1565 |         IterUtilsExt::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1566 |             if node.weight.is_some() {
[INFO] [stdout] 1567 |                 Some(edge_index(i))
[INFO] [stdout] 1568 |             } else { None }
[INFO] [stdout] 1569 |         })
[INFO] [stdout]      |
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]      |
[INFO] [stdout] 1565 |         Iterator::find_map(&mut self.iter, |(i, node)| {
[INFO] [stdout] 1566 |             if node.weight.is_some() {
[INFO] [stdout] 1567 |                 Some(edge_index(i))
[INFO] [stdout] 1568 |             } else { None }
[INFO] [stdout] 1569 |         })
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[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" "b477b51abc2bdbdbe9302105820e34a62d07c5b34581ec0e73dfdaf4fcabab8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b477b51abc2bdbdbe9302105820e34a62d07c5b34581ec0e73dfdaf4fcabab8c", kill_on_drop: false }`
[INFO] [stdout] b477b51abc2bdbdbe9302105820e34a62d07c5b34581ec0e73dfdaf4fcabab8c
