[INFO] fetching crate dq 0.1.0...
[INFO] documenting dq-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate dq 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dq 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dq 0.1.0
[INFO] finished tweaking crates.io crate dq 0.1.0
[INFO] tweaked toml for crates.io crate dq 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cd710588c3b9edb5a00818c3b0dc2a749538453c8cbeecebc49c373eeb69c6c
[INFO] running `Command { std: "docker" "start" "-a" "7cd710588c3b9edb5a00818c3b0dc2a749538453c8cbeecebc49c373eeb69c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd710588c3b9edb5a00818c3b0dc2a749538453c8cbeecebc49c373eeb69c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd710588c3b9edb5a00818c3b0dc2a749538453c8cbeecebc49c373eeb69c6c", kill_on_drop: false }`
[INFO] [stdout] 7cd710588c3b9edb5a00818c3b0dc2a749538453c8cbeecebc49c373eeb69c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d547f5a4c93fde43644918ad9830ef2f841bfbf715ea358a4b051cf772cc0eb
[INFO] running `Command { std: "docker" "start" "-a" "5d547f5a4c93fde43644918ad9830ef2f841bfbf715ea358a4b051cf772cc0eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking dq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting dq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num_traits`
[INFO] [stdout]  --> src/dual_quaternion.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use num_traits::{One, Zero, Inv, Pow, Signed, Num};
[INFO] [stdout]   |         ^^^^^^^^^^ help: a similar path exists: `self::num_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nalgebra`
[INFO] [stdout]  --> src/dual_quaternion.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use nalgebra::{Quaternion, Real, Vector3};
[INFO] [stdout]   |     ^^^^^^^^ help: a similar path exists: `self::nalgebra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `approx`
[INFO] [stdout]   --> src/dual_quaternion.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use approx::{RelativeEq, AbsDiffEq};
[INFO] [stdout]    |     ^^^^^^ help: a similar path exists: `self::approx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `num_traits`
[INFO] [stdout]  --> src/dual_quaternion.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use num_traits::{One, Zero, Inv, Pow, Signed, Num};
[INFO] [stdout]   |         ^^^^^^^^^^ help: a similar path exists: `self::num_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nalgebra`
[INFO] [stdout]  --> src/dual_quaternion.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use nalgebra::{Quaternion, Real, Vector3};
[INFO] [stdout]   |     ^^^^^^^^ help: a similar path exists: `self::nalgebra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `approx`
[INFO] [stdout]   --> src/dual_quaternion.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use approx::{RelativeEq, AbsDiffEq};
[INFO] [stdout]    |     ^^^^^^ help: a similar path exists: `self::approx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nalgebra`
[INFO] [stdout]  --> src/screw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nalgebra::{Real, Vector3};
[INFO] [stdout]   |     ^^^^^^^^ help: a similar path exists: `self::nalgebra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nalgebra`
[INFO] [stdout]  --> src/screw.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nalgebra::{Real, Vector3};
[INFO] [stdout]   |     ^^^^^^^^ help: a similar path exists: `self::nalgebra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::screw::Screw`
[INFO] [stdout]   --> src/dual_quaternion.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::screw::Screw;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `dq`.
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/dual_quaternion.rs:425:34
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Self::new(self.re.cos(), (-self.re.sin() * self.du))
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/dual_quaternion.rs:454:9
[INFO] [stdout]     |
[INFO] [stdout] 454 |         /// todo should re^2 + 1 be sqrt or not?
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 455 |         let one = Quaternion::<N>::one();
[INFO] [stdout]     |         --------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name dq src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-22a74126cdf030c0.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-300ea289040bb3da.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-bbd543257060857e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5d547f5a4c93fde43644918ad9830ef2f841bfbf715ea358a4b051cf772cc0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d547f5a4c93fde43644918ad9830ef2f841bfbf715ea358a4b051cf772cc0eb", kill_on_drop: false }`
[INFO] [stdout] 5d547f5a4c93fde43644918ad9830ef2f841bfbf715ea358a4b051cf772cc0eb