[INFO] fetching crate maths-traits 0.2.1...
[INFO] documenting maths-traits-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate maths-traits 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate maths-traits 0.2.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maths-traits 0.2.1
[INFO] finished tweaking crates.io crate maths-traits 0.2.1
[INFO] tweaked toml for crates.io crate maths-traits 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a36775e9ad0b95e8f0765d2a7ce652311151dbc2a603c0614c38d0b2a01fed4
[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" "2a36775e9ad0b95e8f0765d2a7ce652311151dbc2a603c0614c38d0b2a01fed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a36775e9ad0b95e8f0765d2a7ce652311151dbc2a603c0614c38d0b2a01fed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a36775e9ad0b95e8f0765d2a7ce652311151dbc2a603c0614c38d0b2a01fed4", kill_on_drop: false }`
[INFO] [stdout] 2a36775e9ad0b95e8f0765d2a7ce652311151dbc2a603c0614c38d0b2a01fed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 5c1e0de78567a94af4007a195a58844d7958af1668b77df94752543cf58ccbab
[INFO] running `Command { std: "docker" "start" "-a" "5c1e0de78567a94af4007a195a58844d7958af1668b77df94752543cf58ccbab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]  Documenting maths-traits v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]    --> src/lib.rs:318:12
[INFO] [stdout]     |
[INFO] [stdout] 318 | #![feature(specialization)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::group_like]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | //!* ["Group-Like"](algebra::group_like) mathematical objects with one binary operation and
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::MulGroup]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | //! include structures such as [groups](algebra::MulGroup) and [monoids](algebra::MulMonoid)
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::MulMonoid]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:6:74
[INFO] [stdout]   |
[INFO] [stdout] 6 | //! include structures such as [groups](algebra::MulGroup) and [monoids](algebra::MulMonoid)
[INFO] [stdout]   |                                                                          ^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::ring_like]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | //!* ["Ring-Like"](algebra::ring_like) mathematical objects with two binary operations that
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Distributive]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! [distribute](algebra::Distributive) over the other. This includes sets like [rings](algebra::Ring),
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Ring]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:8:89
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! [distribute](algebra::Distributive) over the other. This includes sets like [rings](algebra::Ring),
[INFO] [stdout]   |                                                                                         ^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Semiring]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [semirings](algebra::Semiring), [division rings](algebra::DivisionRing), and [fields](algebra::Field).
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::DivisionRing]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [semirings](algebra::Semiring), [division rings](algebra::DivisionRing), and [fields](algebra::Field).
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Field]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/algebra/mod.rs:9:91
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [semirings](algebra::Semiring), [division rings](algebra::DivisionRing), and [fields](algebra::Field).
[INFO] [stdout]   |                                                                                           ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Divisibility]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! [divisibility](algebra::Divisibility), [greatest common denominators](algebra::GCD), and
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::GCD]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:11:75
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! [divisibility](algebra::Divisibility), [greatest common denominators](algebra::GCD), and
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::EuclideanDiv]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | //! [Euclidean division](algebra::EuclideanDiv).
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::module_like]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | //!* ["Module-Like"](algebra::module_like) traits for groups with an added scalar multiplication operation.
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::VectorSpace]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | //! This includes [vector spaces](algebra::VectorSpace), [ring modules](algebra::RingModule),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::RingModule]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 | //! This includes [vector spaces](algebra::VectorSpace), [ring modules](algebra::RingModule),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Algebra]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! and [algebras](algebra::Algebra) as well as a system for [bilinear forms](algebra::BilinearForm).
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::BilinearForm]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:15:79
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! and [algebras](algebra::Algebra) as well as a system for [bilinear forms](algebra::BilinearForm).
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Integer]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | //!* [Integer](algebra::Integer) and [Natural](algebra::Natural) numeric traits
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[algebra::Natural]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/algebra/mod.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 | //!* [Integer](algebra::Integer) and [Natural](algebra::Natural) numeric traits
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::ordered]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | //!* ["Ordered"](analysis::ordered) sets and related properties. This includes the
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::ArchimedeanProperty]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | //! [archimedian property](analysis::ArchimedeanProperty) and ordered algebraic systems.
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::Real]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | //!* Traits for [Real](analysis::Real) and [Complex](analysis::Complex) properties and representations
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::Complex]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 | //!* Traits for [Real](analysis::Real) and [Complex](analysis::Complex) properties and representations
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::metric]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | //!* ["Metric"](analysis::metric) properties and functions. This includes
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::Metric]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [metrics](analysis::Metric), [norms](analysis::Norm), and [inner-products](analysis::InnerProductSpace)
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::Norm]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:9:42
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [metrics](analysis::Metric), [norms](analysis::Norm), and [inner-products](analysis::InnerProductSpace)
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[analysis::InnerProductSpace]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/analysis/mod.rs:9:80
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! [metrics](analysis::Metric), [norms](analysis::Norm), and [inner-products](analysis::InnerProductSpace)
[INFO] [stdout]   |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "5c1e0de78567a94af4007a195a58844d7958af1668b77df94752543cf58ccbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1e0de78567a94af4007a195a58844d7958af1668b77df94752543cf58ccbab", kill_on_drop: false }`
[INFO] [stdout] 5c1e0de78567a94af4007a195a58844d7958af1668b77df94752543cf58ccbab