[INFO] fetching crate ux-primitives 0.2.2...
[INFO] checking ux-primitives-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ux-primitives 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ux-primitives 0.2.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ux-primitives 0.2.2
[INFO] finished tweaking crates.io crate ux-primitives 0.2.2
[INFO] tweaked toml for crates.io crate ux-primitives 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages
[INFO] [stderr]       Adding intmap v0.7.1 (latest: v2.0.0)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdf9ff53b8469ae1c0fbc527f44d0140be129577d54edf4d01b8bd2f590cb268
[INFO] running `Command { std: "docker" "start" "-a" "bdf9ff53b8469ae1c0fbc527f44d0140be129577d54edf4d01b8bd2f590cb268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf9ff53b8469ae1c0fbc527f44d0140be129577d54edf4d01b8bd2f590cb268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf9ff53b8469ae1c0fbc527f44d0140be129577d54edf4d01b8bd2f590cb268", kill_on_drop: false }`
[INFO] [stdout] bdf9ff53b8469ae1c0fbc527f44d0140be129577d54edf4d01b8bd2f590cb268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3b02f773a5c36f18a950f9688d8dfacafbc7e07b8d3b2f9a176ddf310e6534
[INFO] running `Command { std: "docker" "start" "-a" "6a3b02f773a5c36f18a950f9688d8dfacafbc7e07b8d3b2f9a176ddf310e6534", kill_on_drop: false }`
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ux-primitives v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::mix::*`
[INFO] [stdout]   --> src/foundation/colorspace/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub use super::mix::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `angle::*`
[INFO] [stdout]  --> src/foundation/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use angle::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `length::*`
[INFO] [stdout]   --> src/foundation/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use length::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `offset::*`
[INFO] [stdout]   --> src/foundation/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use offset::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/size2d.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{Eq, PartialEq},
[INFO] [stdout]   |           ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/size2d.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{Eq, PartialEq},
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector2d.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector2d.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector3d.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector3d.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stdout] warning: the item `RgbColor` is imported redundantly
[INFO] [stdout]    --> src/foundation/colorspace/base.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |     use super::super::RgbColor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 269 |     use super::*;
[INFO] [stdout]     |         -------- the item `RgbColor` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `test_utils` is imported redundantly
[INFO] [stdout]    --> src/foundation/colorspace/hsl.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use super::super::test_utils;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |     use super::super::*;
[INFO] [stdout]     |         --------------- the item `test_utils` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::mix::*`
[INFO] [stdout]   --> src/foundation/colorspace/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub use super::mix::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `angle::*`
[INFO] [stdout]  --> src/foundation/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use angle::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `length::*`
[INFO] [stdout]   --> src/foundation/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use length::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `offset::*`
[INFO] [stdout]   --> src/foundation/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use offset::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/size2d.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{Eq, PartialEq},
[INFO] [stdout]   |           ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/size2d.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{Eq, PartialEq},
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector2d.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector2d.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector3d.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                 ^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/foundation/vector3d.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::cmp::{Eq, PartialEq};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6a3b02f773a5c36f18a950f9688d8dfacafbc7e07b8d3b2f9a176ddf310e6534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3b02f773a5c36f18a950f9688d8dfacafbc7e07b8d3b2f9a176ddf310e6534", kill_on_drop: false }`
[INFO] [stdout] 6a3b02f773a5c36f18a950f9688d8dfacafbc7e07b8d3b2f9a176ddf310e6534