[INFO] fetching crate ratatui-core 0.1.0...
[INFO] testing ratatui-core-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ratatui-core 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ratatui-core 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ratatui-core 0.1.0
[INFO] tweaked toml for crates.io crate ratatui-core 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratatui-core 0.1.0 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 crates.io crate ratatui-core 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 11ed2035d8dc42681c023fb561ee27bb476f540e62a83cdb7859625a4bd23c06
[INFO] running `Command { std: "docker" "start" "-a" "11ed2035d8dc42681c023fb561ee27bb476f540e62a83cdb7859625a4bd23c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ed2035d8dc42681c023fb561ee27bb476f540e62a83cdb7859625a4bd23c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ed2035d8dc42681c023fb561ee27bb476f540e62a83cdb7859625a4bd23c06", kill_on_drop: false }`
[INFO] [stdout] 11ed2035d8dc42681c023fb561ee27bb476f540e62a83cdb7859625a4bd23c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c36fc67754e8096eacfc2fb21586f463e601a1c6c278d350ed93cad53639c5ee
[INFO] running `Command { std: "docker" "start" "-a" "c36fc67754e8096eacfc2fb21586f463e601a1c6c278d350ed93cad53639c5ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling unicode-truncate v2.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling lru v0.16.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling kasuari v0.4.11
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling ratatui-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "c36fc67754e8096eacfc2fb21586f463e601a1c6c278d350ed93cad53639c5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36fc67754e8096eacfc2fb21586f463e601a1c6c278d350ed93cad53639c5ee", kill_on_drop: false }`
[INFO] [stdout] c36fc67754e8096eacfc2fb21586f463e601a1c6c278d350ed93cad53639c5ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ced52e2b66d0e7aa5536af20308dcf242b79d53e299b5b1876cd0fed3024a49f
[INFO] running `Command { std: "docker" "start" "-a" "ced52e2b66d0e7aa5536af20308dcf242b79d53e299b5b1876cd0fed3024a49f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.146
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling kasuari v0.4.11
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling ratatui-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/buffer/buffer.rs:682:9
[INFO] [stdout]     |
[INFO] [stdout] 682 |     use std::{dbg, println};
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/text/line.rs:851:9
[INFO] [stdout]     |
[INFO] [stdout] 851 |     use std::dbg;
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::string::ToString`
[INFO] [stdout]    --> src/buffer/buffer.rs:680:9
[INFO] [stdout]     |
[INFO] [stdout] 680 |     use alloc::string::ToString;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_width::UnicodeWidthChar`
[INFO] [stdout]     --> src/buffer/buffer.rs:1293:13
[INFO] [stdout]      |
[INFO] [stdout] 1293 |         use unicode_width::UnicodeWidthChar;
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ratatui-core` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ced52e2b66d0e7aa5536af20308dcf242b79d53e299b5b1876cd0fed3024a49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced52e2b66d0e7aa5536af20308dcf242b79d53e299b5b1876cd0fed3024a49f", kill_on_drop: false }`
[INFO] [stdout] ced52e2b66d0e7aa5536af20308dcf242b79d53e299b5b1876cd0fed3024a49f
