[INFO] cloning repository https://github.com/thaliaarchi/terminal-palette
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thaliaarchi/terminal-palette" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fterminal-palette", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fterminal-palette'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07fc8138ac29de49ba2e848d3aa24eba26a2f614
[INFO] testing thaliaarchi/terminal-palette against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fterminal-palette" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thaliaarchi/terminal-palette
[INFO] finished tweaking git repo https://github.com/thaliaarchi/terminal-palette
[INFO] tweaked toml for git repo https://github.com/thaliaarchi/terminal-palette written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thaliaarchi/terminal-palette on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thaliaarchi/terminal-palette already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fc9d024ad396ce3c23d0236cf3bf1eb66471ca2d6cbcf120666317a687dc3c6
[INFO] running `Command { std: "docker" "start" "-a" "6fc9d024ad396ce3c23d0236cf3bf1eb66471ca2d6cbcf120666317a687dc3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc9d024ad396ce3c23d0236cf3bf1eb66471ca2d6cbcf120666317a687dc3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc9d024ad396ce3c23d0236cf3bf1eb66471ca2d6cbcf120666317a687dc3c6", kill_on_drop: false }`
[INFO] [stdout] 6fc9d024ad396ce3c23d0236cf3bf1eb66471ca2d6cbcf120666317a687dc3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce074c9ebcec06f18aa9855b493af0ec707bed5f809a10d68585be5306440cd
[INFO] running `Command { std: "docker" "start" "-a" "3ce074c9ebcec06f18aa9855b493af0ec707bed5f809a10d68585be5306440cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-palette v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> src/point.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl const From<Xyz> for Point3 {
[INFO] [stdout]    |            ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> src/point.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl const From<Lab> for Point3 {
[INFO] [stdout]    |            ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> src/rgb.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl const From<u32> for Rgb {
[INFO] [stdout]    |            ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert`
[INFO] [stdout]   --> src/rgb.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl const From<Rgb> for u32 {
[INFO] [stdout]    |            ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]    = help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]  --> src/xterm.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Rgb::from(0x2E3436), // Black
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(const_convert)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]  --> src/xterm.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Rgb::from(0xCC0000), // Red
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(const_convert)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]  --> src/xterm.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Rgb::from(0x4E9A06), // Green
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(const_convert)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]  --> src/xterm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Rgb::from(0xC4A000), // Yellow
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(const_convert)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]  --> src/xterm.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Rgb::from(0x3465A4), // Blue
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(const_convert)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Rgb::from(0x75507B), // Magenta
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Rgb::from(0x06989A), // Cyan
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Rgb::from(0xD3D7CF), // White
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Rgb::from(0x555753), // Bright black
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Rgb::from(0xEF2929), // Bright red
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Rgb::from(0x8AE234), // Bright green
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Rgb::from(0xFCE94F), // Bright yellow
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Rgb::from(0x729FCF), // Bright blue
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Rgb::from(0xAD7FA8), // Bright magenta
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Rgb::from(0x34E2E2), // Bright cyan
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `From` is not yet stable as a const trait
[INFO] [stdout]   --> src/xterm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Rgb::from(0xEEEEEC), // Bright white
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: add `#![feature(const_convert)]` to the crate attributes to enable
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(const_convert)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `terminal-palette` (bin "terminal-palette") due to 20 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ce074c9ebcec06f18aa9855b493af0ec707bed5f809a10d68585be5306440cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce074c9ebcec06f18aa9855b493af0ec707bed5f809a10d68585be5306440cd", kill_on_drop: false }`
[INFO] [stdout] 3ce074c9ebcec06f18aa9855b493af0ec707bed5f809a10d68585be5306440cd
