[INFO] fetching crate ratatui-core 0.1.0-alpha.6...
[INFO] testing ratatui-core-0.1.0-alpha.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ratatui-core 0.1.0-alpha.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ratatui-core 0.1.0-alpha.6
[INFO] finished tweaking crates.io crate ratatui-core 0.1.0-alpha.6
[INFO] tweaked toml for crates.io crate ratatui-core 0.1.0-alpha.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratatui-core 0.1.0-alpha.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ratatui-core 0.1.0-alpha.6 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4c05a8c870ec77956ef91e03a14f0302f5f2679c6392d49fae56b5824175b7
[INFO] running `Command { std: "docker" "start" "-a" "fa4c05a8c870ec77956ef91e03a14f0302f5f2679c6392d49fae56b5824175b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4c05a8c870ec77956ef91e03a14f0302f5f2679c6392d49fae56b5824175b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4c05a8c870ec77956ef91e03a14f0302f5f2679c6392d49fae56b5824175b7", kill_on_drop: false }`
[INFO] [stdout] fa4c05a8c870ec77956ef91e03a14f0302f5f2679c6392d49fae56b5824175b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda77dc11ec8ed705359b06bc630ef69329fcc4e2493be05f5fb9dee7ff73b4a
[INFO] running `Command { std: "docker" "start" "-a" "cda77dc11ec8ed705359b06bc630ef69329fcc4e2493be05f5fb9dee7ff73b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling compact_str v0.9.0
[INFO] [stderr]    Compiling lru v0.14.0
[INFO] [stderr]    Compiling unicode-truncate v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling kasuari v0.4.6
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling ratatui-core v0.1.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "cda77dc11ec8ed705359b06bc630ef69329fcc4e2493be05f5fb9dee7ff73b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda77dc11ec8ed705359b06bc630ef69329fcc4e2493be05f5fb9dee7ff73b4a", kill_on_drop: false }`
[INFO] [stdout] cda77dc11ec8ed705359b06bc630ef69329fcc4e2493be05f5fb9dee7ff73b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb64d6fd8eaf0718df5197420bdd34ab82438c6edfc58c2e32ca8fcff53cde84
[INFO] running `Command { std: "docker" "start" "-a" "bb64d6fd8eaf0718df5197420bdd34ab82438c6edfc58c2e32ca8fcff53cde84", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling kasuari v0.4.6
[INFO] [stderr]    Compiling rstest v0.25.0
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling ratatui-core v0.1.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/buffer/buffer.rs:644:9
[INFO] [stdout]     |
[INFO] [stdout] 644 |     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:839:9
[INFO] [stdout]     |
[INFO] [stdout] 839 |     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:642:9
[INFO] [stdout]     |
[INFO] [stdout] 642 |     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:1252:13
[INFO] [stdout]      |
[INFO] [stdout] 1252 |         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" "bb64d6fd8eaf0718df5197420bdd34ab82438c6edfc58c2e32ca8fcff53cde84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb64d6fd8eaf0718df5197420bdd34ab82438c6edfc58c2e32ca8fcff53cde84", kill_on_drop: false }`
[INFO] [stdout] bb64d6fd8eaf0718df5197420bdd34ab82438c6edfc58c2e32ca8fcff53cde84