[INFO] cloning repository https://github.com/mclaybaugh/rust-text-canvas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mclaybaugh/rust-text-canvas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmclaybaugh%2Frust-text-canvas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmclaybaugh%2Frust-text-canvas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbe8f7d88b0bd6682cfe24573e9f3eb87beb77b
[INFO] testing mclaybaugh/rust-text-canvas against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmclaybaugh%2Frust-text-canvas" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mclaybaugh/rust-text-canvas
[INFO] finished tweaking git repo https://github.com/mclaybaugh/rust-text-canvas
[INFO] tweaked toml for git repo https://github.com/mclaybaugh/rust-text-canvas written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mclaybaugh/rust-text-canvas on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mclaybaugh/rust-text-canvas 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7458047915c3ae52ecdcc808041a057cabaa5d91e2d640ce4b9601955d1c36c2
[INFO] running `Command { std: "docker" "start" "-a" "7458047915c3ae52ecdcc808041a057cabaa5d91e2d640ce4b9601955d1c36c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7458047915c3ae52ecdcc808041a057cabaa5d91e2d640ce4b9601955d1c36c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7458047915c3ae52ecdcc808041a057cabaa5d91e2d640ce4b9601955d1c36c2", kill_on_drop: false }`
[INFO] [stdout] 7458047915c3ae52ecdcc808041a057cabaa5d91e2d640ce4b9601955d1c36c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e67a57ccb012d49e447be8a2fe1f07059b1904d8932972e6776d3ca7efb7bc4
[INFO] running `Command { std: "docker" "start" "-a" "7e67a57ccb012d49e447be8a2fe1f07059b1904d8932972e6776d3ca7efb7bc4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rust-text-canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/canvas.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub enum Color {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  2 |     Normal,
[INFO] [stdout]  3 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  4 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  5 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  6 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Magenta,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     BrightBlack,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     BrightRed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     BrightGreen,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     BrightYellow,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     BrightBlue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     BrightMagenta,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     BrightCyan,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     BrightWhite
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bg_color` is never read
[INFO] [stdout]   --> src/canvas.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TextPixel {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bg_color: Color
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coord` is never constructed
[INFO] [stdout]   --> src/canvas.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Coord {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextSprite` is never constructed
[INFO] [stdout]   --> src/canvas.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct TextSprite {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bg_term_color` is never used
[INFO] [stdout]   --> src/terminal.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn get_bg_term_color(color: &canvas::Color) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7e67a57ccb012d49e447be8a2fe1f07059b1904d8932972e6776d3ca7efb7bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e67a57ccb012d49e447be8a2fe1f07059b1904d8932972e6776d3ca7efb7bc4", kill_on_drop: false }`
[INFO] [stdout] 7e67a57ccb012d49e447be8a2fe1f07059b1904d8932972e6776d3ca7efb7bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eddbce9a730cec72866a8fa22813c95408ad8e50aac5b294f43a71efc541c0ba
[INFO] running `Command { std: "docker" "start" "-a" "eddbce9a730cec72866a8fa22813c95408ad8e50aac5b294f43a71efc541c0ba", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rust-text-canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/canvas.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub enum Color {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout]  2 |     Normal,
[INFO] [stdout]  3 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  4 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  5 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  6 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |     Blue,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  8 |     Magenta,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     Cyan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     BrightBlack,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     BrightRed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 13 |     BrightGreen,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     BrightYellow,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     BrightBlue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     BrightMagenta,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     BrightCyan,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 18 |     BrightWhite
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bg_color` is never read
[INFO] [stdout]   --> src/canvas.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TextPixel {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bg_color: Color
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coord` is never constructed
[INFO] [stdout]   --> src/canvas.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Coord {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextSprite` is never constructed
[INFO] [stdout]   --> src/canvas.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct TextSprite {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_bg_term_color` is never used
[INFO] [stdout]   --> src/terminal.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn get_bg_term_color(color: &canvas::Color) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "eddbce9a730cec72866a8fa22813c95408ad8e50aac5b294f43a71efc541c0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eddbce9a730cec72866a8fa22813c95408ad8e50aac5b294f43a71efc541c0ba", kill_on_drop: false }`
[INFO] [stdout] eddbce9a730cec72866a8fa22813c95408ad8e50aac5b294f43a71efc541c0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e05ca6dd01c07961d847bdb46a4bb74a4bfd045acc13ce6af58a7b8b651e584d
[INFO] running `Command { std: "docker" "start" "-a" "e05ca6dd01c07961d847bdb46a4bb74a4bfd045acc13ce6af58a7b8b651e584d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/canvas.rs:3:5
[INFO] [stderr]    |
[INFO] [stderr]  1 | pub enum Color {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr]  2 |     Normal,
[INFO] [stderr]  3 |     Black,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  4 |     Red,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]  5 |     Green,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  6 |     Yellow,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]  7 |     Blue,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  8 |     Magenta,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]  9 |     Cyan,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 10 |     White,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 11 |     BrightBlack,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 12 |     BrightRed,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 13 |     BrightGreen,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 14 |     BrightYellow,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 15 |     BrightBlue,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 16 |     BrightMagenta,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 17 |     BrightCyan,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 18 |     BrightWhite
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `bg_color` is never read
[INFO] [stderr]   --> src/canvas.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct TextPixel {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub bg_color: Color
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Coord` is never constructed
[INFO] [stderr]   --> src/canvas.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Coord {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TextSprite` is never constructed
[INFO] [stderr]   --> src/canvas.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct TextSprite {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_bg_term_color` is never used
[INFO] [stderr]   --> src/terminal.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn get_bg_term_color(color: &canvas::Color) -> &str {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-text-canvas` (bin "rust-text-canvas" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_text_canvas-224e3d8f63a20e8f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e05ca6dd01c07961d847bdb46a4bb74a4bfd045acc13ce6af58a7b8b651e584d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05ca6dd01c07961d847bdb46a4bb74a4bfd045acc13ce6af58a7b8b651e584d", kill_on_drop: false }`
[INFO] [stdout] e05ca6dd01c07961d847bdb46a4bb74a4bfd045acc13ce6af58a7b8b651e584d
