[INFO] fetching crate plexus 0.0.11...
[INFO] testing plexus-0.0.11 against 1.47.0 for beta-1.48-1
[INFO] extracting crate plexus 0.0.11 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate plexus 0.0.11 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plexus 0.0.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate plexus 0.0.11
[INFO] tweaked toml for crates.io crate plexus 0.0.11 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f8a91d336ff70724cc8f5cbaffa41359d4d225c08c60e04f62b6733caf3907f
[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" "8f8a91d336ff70724cc8f5cbaffa41359d4d225c08c60e04f62b6733caf3907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f8a91d336ff70724cc8f5cbaffa41359d4d225c08c60e04f62b6733caf3907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8a91d336ff70724cc8f5cbaffa41359d4d225c08c60e04f62b6733caf3907f", kill_on_drop: false }`
[INFO] [stdout] 8f8a91d336ff70724cc8f5cbaffa41359d4d225c08c60e04f62b6733caf3907f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efec98e35de90525fcf7d3afa87c5732a6e0864721281eb706a1d84ca50430e6
[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" "efec98e35de90525fcf7d3afa87c5732a6e0864721281eb706a1d84ca50430e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fool v0.0.1
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling decorum v0.1.3
[INFO] [stderr]    Compiling nalgebra v0.17.3
[INFO] [stderr]    Compiling plexus v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:405:13
[INFO] [stdout]     |
[INFO] [stdout] 405 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `storage`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:36
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/graph/mutation/edge.rs:385:14
[INFO] [stdout]     |
[INFO] [stdout] 385 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/graph/mutation/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         mem::replace(container, mutant);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.36s
[INFO] running `Command { std: "docker" "inspect" "efec98e35de90525fcf7d3afa87c5732a6e0864721281eb706a1d84ca50430e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efec98e35de90525fcf7d3afa87c5732a6e0864721281eb706a1d84ca50430e6", kill_on_drop: false }`
[INFO] [stdout] efec98e35de90525fcf7d3afa87c5732a6e0864721281eb706a1d84ca50430e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99c20aceafe03251b22286f38869f754e554f285ad4215e216465ba14bb9ce8
[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" "a99c20aceafe03251b22286f38869f754e554f285ad4215e216465ba14bb9ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:405:13
[INFO] [stdout]     |
[INFO] [stdout] 405 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `storage`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:36
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/graph/mutation/edge.rs:385:14
[INFO] [stdout]     |
[INFO] [stdout] 385 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/graph/mutation/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         mem::replace(container, mutant);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.29.0
[INFO] [stderr]    Compiling plexus v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `derive_hash_xor_eq`
[INFO] [stdout]  --> examples/viewer/pipeline.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(derive_hash_xor_eq)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `type_complexity`
[INFO] [stdout]    --> src/primitive/decompose.rs:405:13
[INFO] [stdout]     |
[INFO] [stdout] 405 |     #[allow(type_complexity)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `storage`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/graph/mutation/vertex.rs:83:36
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]    --> src/graph/mutation/edge.rs:385:14
[INFO] [stdout]     |
[INFO] [stdout] 385 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/graph/mutation/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         mem::replace(container, mutant);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.46s
[INFO] running `Command { std: "docker" "inspect" "a99c20aceafe03251b22286f38869f754e554f285ad4215e216465ba14bb9ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99c20aceafe03251b22286f38869f754e554f285ad4215e216465ba14bb9ce8", kill_on_drop: false }`
[INFO] [stdout] a99c20aceafe03251b22286f38869f754e554f285ad4215e216465ba14bb9ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 688e29f0ba9fbcfe1b5a95708d2b33e5df7d9da1e50c573ff31ee118abf7166e
[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" "688e29f0ba9fbcfe1b5a95708d2b33e5df7d9da1e50c573ff31ee118abf7166e", kill_on_drop: false }`
[INFO] [stderr] warning: unknown lint: `type_complexity`
[INFO] [stderr]    --> src/primitive/decompose.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |     #[allow(type_complexity)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `type_complexity`
[INFO] [stderr]    --> src/primitive/decompose.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |     #[allow(type_complexity)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `storage`
[INFO] [stderr]   --> src/graph/mutation/vertex.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/graph/mutation/vertex.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/graph/mutation/edge.rs:385:14
[INFO] [stderr]     |
[INFO] [stderr] 385 |             .into_iter()
[INFO] [stderr]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/graph/mutation/mod.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         mem::replace(container, mutant);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `derive_hash_xor_eq`
[INFO] [stderr]  --> examples/viewer/pipeline.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(derive_hash_xor_eq)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `type_complexity`
[INFO] [stderr]    --> src/primitive/decompose.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |     #[allow(type_complexity)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `type_complexity`
[INFO] [stderr]    --> src/primitive/decompose.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |     #[allow(type_complexity)]
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `storage`
[INFO] [stderr]   --> src/graph/mutation/vertex.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/graph/mutation/vertex.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn snapshot<M>(storage: M, a: VertexKey) -> Result<Self, GraphError>
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/graph/mutation/edge.rs:385:14
[INFO] [stderr]     |
[INFO] [stderr] 385 |             .into_iter()
[INFO] [stderr]     |              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/graph/mutation/mod.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         mem::replace(container, mutant);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/plexus-94e957f770224508
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test buffer::tests::collect_topology_into_structured_buffer ... ok
[INFO] [stdout] test buffer::tests::convert_mesh_to_buffer_by_face ... ok
[INFO] [stdout] test buffer::tests::collect_topology_into_flat_buffer ... ok
[INFO] [stdout] test buffer::tests::append_structured_buffers ... ok
[INFO] [stdout] test buffer::tests::convert_mesh_to_buffer_by_vertex ... ok
[INFO] [stdout] test graph::view::edge::tests::split_edge ... ok
[INFO] [stdout] test graph::view::edge::tests::extrude_arc ... ok
[INFO] [stdout] test graph::view::face::tests::circulate_over_faces ... ok
[INFO] [stdout] test graph::tests::collect_topology_into_mesh ... ok
[INFO] [stdout] test graph::view::face::tests::circulate_over_arcs ... ok
[INFO] [stdout] test graph::view::edge::tests::remove_edge ... ok
[INFO] [stdout] test graph::tests::error_on_non_manifold_mesh ... ok
[INFO] [stdout] test graph::tests::iterate_mesh_topology ... ok
[INFO] [stdout] test graph::view::face::tests::split_face ... ok
[INFO] [stdout] test graph::view::face::tests::remove_face ... ok
[INFO] [stdout] test graph::view::vertex::tests::circulate_over_arcs ... ok
[INFO] [stdout] test primitive::sphere::tests::polygon_vertex_count ... ok
[INFO] [stdout] test graph::view::edge::tests::bridge_arcs ... ok
[INFO] [stdout] test primitive::sphere::tests::vertex_count ... ok
[INFO] [stdout] test primitive::sphere::tests::position_index_to_vertex_mapping ... ok
[INFO] [stdout] test graph::view::face::tests::merge_faces ... ok
[INFO] [stdout] test graph::view::face::tests::interior_path_distance ... ok
[INFO] [stdout] test graph::view::face::tests::poke_face ... ok
[INFO] [stdout] test graph::view::face::tests::triangulate_mesh ... ok
[INFO] [stdout] test graph::view::face::tests::extrude_face ... ok
[INFO] [stdout] test graph::tests::read_write_geometry_ref ... ok
[INFO] [stdout] test graph::tests::non_manifold_error_deferred ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests plexus
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/buffer.rs - buffer::MeshBuffer<I, G>::new (line 276) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name plexus -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="geometry-nalgebra"' --cfg 'feature="nalgebra"' --cfg 'feature="default"' --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-08e94e8c33325809.rlib --extern decorum=/opt/rustwide/target/debug/deps/libdecorum-cca05a24478dbed0.rlib --extern derivative=/opt/rustwide/target/debug/deps/libderivative-a25f9689e1b8fbdb.so --extern either=/opt/rustwide/target/debug/deps/libeither-6cba286c51228592.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-f7d2c1e891085bde.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-551fbd3154ffd6a8.rlib --extern fool=/opt/rustwide/target/debug/deps/libfool-e963714a40e5a50f.rlib --extern gfx=/opt/rustwide/target/debug/deps/libgfx-230c797dad9f49d0.rlib --extern gfx_device_gl=/opt/rustwide/target/debug/deps/libgfx_device_gl-dfe0278054f68ccf.rlib --extern gfx_window_glutin=/opt/rustwide/target/debug/deps/libgfx_window_glutin-8e9944e2b4f40779.rlib --extern glutin=/opt/rustwide/target/debug/deps/libglutin-e94e5108fdf831e6.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-5b963aa52989f703.rlib --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-0f44ecb81cdc602c.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-c49cbc114dc98b29.rlib --extern plexus=/opt/rustwide/target/debug/deps/libplexus-ffe35811f1cf9254.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-774d55e0513e4cf4.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-19d382f140e43ed1.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-266c6f24469a2c9c.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "688e29f0ba9fbcfe1b5a95708d2b33e5df7d9da1e50c573ff31ee118abf7166e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "688e29f0ba9fbcfe1b5a95708d2b33e5df7d9da1e50c573ff31ee118abf7166e", kill_on_drop: false }`
[INFO] [stdout] 688e29f0ba9fbcfe1b5a95708d2b33e5df7d9da1e50c573ff31ee118abf7166e
