[INFO] fetching crate color 0.0.1...
[INFO] checking color-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate color 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate color 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5acd9a994ad330cd7add17bd480dd7d06060ce4b7fe6a8cd455f4ebcddeadc46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5acd9a994ad330cd7add17bd480dd7d06060ce4b7fe6a8cd455f4ebcddeadc46"`
[INFO] [stderr]     Checking color v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/alpha.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn into_fixed(self) -> [T, ..4] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: `<` is interpreted as a start of generic arguments for `u16`, not a shift
[INFO] [stderr]   --> src/channel.rs:73:61
[INFO] [stderr]    |
[INFO] [stderr] 73 |     #[inline] fn to_channel_u16(self) -> u16 { (self as u16 << 8) | self as u16 }
[INFO] [stderr]    |                                                 ----------- ^^ - interpreted as generic arguments
[INFO] [stderr]    |                                                 |           |
[INFO] [stderr]    |                                                 |           not interpreted as shift
[INFO] [stderr]    |                                                 help: try shifting the cast value: `(self as u16)`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/hsv.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/rgb.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/lib.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn into_fixed(self) -> [T, ..3];
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/lib.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn into_fixed(self) -> [T, ..4];
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / #![comment = "A library that provides types and conversions for working with
[INFO] [stderr] 19 | |              various color formats."]
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![license = "ASL2"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/alpha.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn into_fixed(self) -> [T, ..4] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: `<` is interpreted as a start of generic arguments for `u16`, not a shift
[INFO] [stderr]   --> src/channel.rs:73:61
[INFO] [stderr]    |
[INFO] [stderr] 73 |     #[inline] fn to_channel_u16(self) -> u16 { (self as u16 << 8) | self as u16 }
[INFO] [stderr]    |                                                 ----------- ^^ - interpreted as generic arguments
[INFO] [stderr]    |                                                 |           |
[INFO] [stderr]    |                                                 |           not interpreted as shift
[INFO] [stderr]    |                                                 help: try shifting the cast value: `(self as u16)`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/hsv.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/rgb.rs:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn into_fixed(self) -> [T, ..3] {
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/lib.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn into_fixed(self) -> [T, ..3];
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/lib.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn into_fixed(self) -> [T, ..4];
[INFO] [stderr]    |                              ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / #![comment = "A library that provides types and conversions for working with
[INFO] [stderr] 19 | |              various color formats."]
[INFO] [stderr]    | |_____________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![license = "ASL2"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54726
[INFO] [stderr]    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero`
[INFO] [stderr]   --> src/lib.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::num::{One, Zero};
[INFO] [stderr]    |                ^^^  ^^^^ no `Zero` in `num`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                no `One` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::num::Float`, `std::num::Primitive`
[INFO] [stderr]   --> src/channel.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::num::{Float, Primitive};
[INFO] [stderr]    |                ^^^^^  ^^^^^^^^^ no `Primitive` in `num`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `comment` in this scope
[INFO] [stderr]   --> src/lib.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![comment = "A library that provides types and conversions for working with
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]   --> src/lib.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![license = "ASL2"]
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/alpha.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/hsv.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/rgb.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/srgb.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/ycbcr.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::num::One`, `std::num::Zero`
[INFO] [stderr]   --> src/lib.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::num::{One, Zero};
[INFO] [stderr]    |                ^^^  ^^^^ no `Zero` in `num`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                no `One` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::num::Float`, `std::num::Primitive`
[INFO] [stderr]   --> src/channel.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::num::{Float, Primitive};
[INFO] [stderr]    |                ^^^^^  ^^^^^^^^^ no `Primitive` in `num`
[INFO] [stderr]    |                |
[INFO] [stderr]    |                no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `comment` in this scope
[INFO] [stderr]   --> src/lib.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![comment = "A library that provides types and conversions for working with
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]   --> src/lib.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | #![license = "ASL2"]
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/alpha.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:138:7
[INFO] [stderr]     |
[INFO] [stderr] 138 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:159:7
[INFO] [stderr]     |
[INFO] [stderr] 159 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:166:7
[INFO] [stderr]     |
[INFO] [stderr] 166 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:187:7
[INFO] [stderr]     |
[INFO] [stderr] 187 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:194:7
[INFO] [stderr]     |
[INFO] [stderr] 194 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:215:7
[INFO] [stderr]     |
[INFO] [stderr] 215 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:222:7
[INFO] [stderr]     |
[INFO] [stderr] 222 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:231:7
[INFO] [stderr]     |
[INFO] [stderr] 231 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:252:7
[INFO] [stderr]     |
[INFO] [stderr] 252 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/channel.rs:259:7
[INFO] [stderr]     |
[INFO] [stderr] 259 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/hsv.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/hsv.rs:143:7
[INFO] [stderr]     |
[INFO] [stderr] 143 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/hsv.rs:151:7
[INFO] [stderr]     |
[INFO] [stderr] 151 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/rgb.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/rgb.rs:286:7
[INFO] [stderr]     |
[INFO] [stderr] 286 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot determine resolution for the attribute macro `test`
[INFO] [stderr]    --> src/rgb.rs:292:7
[INFO] [stderr]     |
[INFO] [stderr] 292 |     #[test]
[INFO] [stderr]     |       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/srgb.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `deriving` in this scope
[INFO] [stderr]   --> src/ycbcr.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[deriving(Clone, PartialEq, Eq, Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                      ^^^^^^^ not found in `std::num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                            ^^^^^^^ not found in `std::num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     std::num::cast(n).unwrap()
[INFO] [stderr]    |               ^^^^ not found in `std::num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 18 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 18 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 18 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                 ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:22:34
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 |     num::cast(n).unwrap()
[INFO] [stderr]    |          ^^^^ not found in `num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 16 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                 ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |     num::cast(n).unwrap()
[INFO] [stderr]    |          ^^^^ not found in `num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 16 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                      ^^^^^^^ not found in `std::num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn cast<T: std::num::NumCast, U: std::num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                            ^^^^^^^ not found in `std::num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `std::num`
[INFO] [stderr]   --> src/channel.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     std::num::cast(n).unwrap()
[INFO] [stderr]    |               ^^^^ not found in `std::num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 18 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 18 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 18 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                 ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:22:34
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stderr]   --> src/hsv.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 |     num::cast(n).unwrap()
[INFO] [stderr]    |          ^^^^ not found in `num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 16 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 26 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0425, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                 ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `NumCast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn cast<T: num::NumCast, U: num::NumCast>(n: T) -> U {
[INFO] [stderr]    |                                  ^^^^^^^ not found in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stderr]   --> src/rgb.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |     num::cast(n).unwrap()
[INFO] [stderr]    |          ^^^^ not found in `num`
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 16 | use channel::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hsv::cast;
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rgb::cast;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `color`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 40 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0425, E0432, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: could not compile `color`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5acd9a994ad330cd7add17bd480dd7d06060ce4b7fe6a8cd455f4ebcddeadc46"`
[INFO] running `"docker" "rm" "-f" "5acd9a994ad330cd7add17bd480dd7d06060ce4b7fe6a8cd455f4ebcddeadc46"`
[INFO] [stdout] 5acd9a994ad330cd7add17bd480dd7d06060ce4b7fe6a8cd455f4ebcddeadc46