[INFO] fetching crate ratatui-wasm-backend 0.1.1...
[INFO] building ratatui-wasm-backend-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate ratatui-wasm-backend 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ratatui-wasm-backend 0.1.1
[INFO] finished tweaking crates.io crate ratatui-wasm-backend 0.1.1
[INFO] tweaked toml for crates.io crate ratatui-wasm-backend 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratatui-wasm-backend 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ratatui-wasm-backend 0.1.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a47756b47bff8dea59d79f6e91f9f38290d2bc8e250f6469f092a12069dddaf
[INFO] running `Command { std: "docker" "start" "-a" "1a47756b47bff8dea59d79f6e91f9f38290d2bc8e250f6469f092a12069dddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a47756b47bff8dea59d79f6e91f9f38290d2bc8e250f6469f092a12069dddaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a47756b47bff8dea59d79f6e91f9f38290d2bc8e250f6469f092a12069dddaf", kill_on_drop: false }`
[INFO] [stdout] 1a47756b47bff8dea59d79f6e91f9f38290d2bc8e250f6469f092a12069dddaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39506ac1c4ebcaa81dadba71eeb98829f3778a758a3baaa79f242a739f16edb5
[INFO] running `Command { std: "docker" "start" "-a" "39506ac1c4ebcaa81dadba71eeb98829f3778a758a3baaa79f242a739f16edb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling anes v0.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling ratatui-wasm-backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `prev_pos` is never read
[INFO] [stdout]   --> src/backend.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             prev_pos = Some(new_pos);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "39506ac1c4ebcaa81dadba71eeb98829f3778a758a3baaa79f242a739f16edb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39506ac1c4ebcaa81dadba71eeb98829f3778a758a3baaa79f242a739f16edb5", kill_on_drop: false }`
[INFO] [stdout] 39506ac1c4ebcaa81dadba71eeb98829f3778a758a3baaa79f242a739f16edb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578d700fb3b6ec6d837213f385aee5f16b9b5b36f0f6bcf963169a9f3a10732b
[INFO] running `Command { std: "docker" "start" "-a" "578d700fb3b6ec6d837213f385aee5f16b9b5b36f0f6bcf963169a9f3a10732b", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `prev_pos` is never read
[INFO] [stdout]   --> src/backend.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             prev_pos = Some(new_pos);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ratatui-wasm-backend v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `prev_pos` is never read
[INFO] [stdout]   --> src/backend.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             prev_pos = Some(new_pos);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "578d700fb3b6ec6d837213f385aee5f16b9b5b36f0f6bcf963169a9f3a10732b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578d700fb3b6ec6d837213f385aee5f16b9b5b36f0f6bcf963169a9f3a10732b", kill_on_drop: false }`
[INFO] [stdout] 578d700fb3b6ec6d837213f385aee5f16b9b5b36f0f6bcf963169a9f3a10732b