[INFO] fetching crate color 0.0.1...
[INFO] documenting color-0.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate color 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate color 0.0.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color 0.0.1
[INFO] finished tweaking crates.io crate color 0.0.1
[INFO] tweaked toml for crates.io crate color 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41a6dacc4b6f624ededc1b4721c8ce7444294393369fada1ac78263370f0db06
[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" "41a6dacc4b6f624ededc1b4721c8ce7444294393369fada1ac78263370f0db06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a6dacc4b6f624ededc1b4721c8ce7444294393369fada1ac78263370f0db06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a6dacc4b6f624ededc1b4721c8ce7444294393369fada1ac78263370f0db06", kill_on_drop: false }`
[INFO] [stdout] 41a6dacc4b6f624ededc1b4721c8ce7444294393369fada1ac78263370f0db06
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8db742ab72fba81455a7614955dc817de7f02a585822456a9023fb8289583
[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" "e6c8db742ab72fba81455a7614955dc817de7f02a585822456a9023fb8289583", kill_on_drop: false }`
[INFO] [stderr]  Documenting color v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/lib.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub trait Color3<T>: Color<T> {
[INFO] [stdout]    |                               - while parsing this item list starting here
[INFO] [stdout] 61 |     fn into_fixed(self) -> [T, ..3];
[INFO] [stdout]    |                              ^ expected one of 7 possible tokens
[INFO] [stdout] 62 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/lib.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub trait Color4<T>: Color<T> {
[INFO] [stdout]    |                               - while parsing this item list starting here
[INFO] [stdout] 65 |     fn into_fixed(self) -> [T, ..4];
[INFO] [stdout]    |                              ^ expected one of 7 possible tokens
[INFO] [stdout] 66 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / #![comment = "A library that provides types and conversions for working with
[INFO] [stdout] 19 | |              various color formats."]
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![license = "ASL2"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/alpha.rs:57:30
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<T: Channel, C: Color3<T>> Color4<T> for AlphaColor<T, C> {
[INFO] [stdout]    |                                                               - while parsing this item list starting here
[INFO] [stdout] 57 |     fn into_fixed(self) -> [T, ..4] {
[INFO] [stdout]    |                              ^ expected one of 7 possible tokens
[INFO] [stdout] ...
[INFO] [stdout] 64 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `<` is interpreted as a start of generic arguments for `u16`, not a shift
[INFO] [stdout]   --> src/channel.rs:73:61
[INFO] [stdout]    |
[INFO] [stdout] 73 |     #[inline] fn to_channel_u16(self) -> u16 { (self as u16 << 8) | self as u16 }
[INFO] [stdout]    |                                                 ----------- ^^ - interpreted as generic arguments
[INFO] [stdout]    |                                                 |           |
[INFO] [stdout]    |                                                 |           not interpreted as shift
[INFO] [stdout]    |                                                 help: try shifting the cast value: `(self as u16)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/hsv.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl<T: FloatChannel> Color3<T> for Hsv<T> {
[INFO] [stdout]    |                                            - while parsing this item list starting here
[INFO] [stdout] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stdout]    |                              ^ expected one of 7 possible tokens
[INFO] [stdout] ...
[INFO] [stdout] 78 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stdout]   --> src/rgb.rs:73:30
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl<T: Channel> Color3<T> for Rgb<T> {
[INFO] [stdout]    |                                       - while parsing this item list starting here
[INFO] [stdout] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stdout]    |                              ^ expected one of 7 possible tokens
[INFO] [stdout] ...
[INFO] [stdout] 78 | }
[INFO] [stdout]    | - the item list ends here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero`
[INFO] [stdout]   --> src/lib.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::num::{One, Zero};
[INFO] [stdout]    |                ^^^  ^^^^ no `Zero` in `num`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `One` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::Primitive`
[INFO] [stdout]   --> src/channel.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::num::{Float, Primitive};
[INFO] [stdout]    |                ^^^^^  ^^^^^^^^^ no `Primitive` in `num`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `comment` in this scope
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![comment = "A library that provides types and conversions for working with
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![license = "ASL2"]
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/alpha.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/hsv.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/rgb.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/srgb.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/ycbcr.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stdout]   --> src/channel.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                      ^^^^^^^ not found in `std::num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stdout]   --> src/channel.rs:21:44
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                                            ^^^^^^^ not found in `std::num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stdout]   --> src/hsv.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                 ^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stdout]   --> src/hsv.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                                  ^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stdout]   --> src/rgb.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                 ^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stdout]   --> src/rgb.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stdout]    |                                  ^^^^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(globs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `color`.
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0554, E0658.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name color 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 --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e6c8db742ab72fba81455a7614955dc817de7f02a585822456a9023fb8289583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8db742ab72fba81455a7614955dc817de7f02a585822456a9023fb8289583", kill_on_drop: false }`
[INFO] [stdout] e6c8db742ab72fba81455a7614955dc817de7f02a585822456a9023fb8289583