[INFO] fetching crate ftui-backend 0.2.1...
[INFO] testing ftui-backend-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate ftui-backend 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ftui-backend 0.2.1
[INFO] finished tweaking crates.io crate ftui-backend 0.2.1
[INFO] tweaked toml for crates.io crate ftui-backend 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ftui-backend 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ftui-backend 0.2.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-display-width v0.3.0
[INFO] [stderr]   Downloaded signal-hook v0.4.3
[INFO] [stderr]   Downloaded bumpalo v3.20.1
[INFO] [stderr]   Downloaded ftui-core v0.2.1
[INFO] [stderr]   Downloaded ftui-render v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3731e931c29f1c74d906927486eb9384f4b0de8bb3a364016dd4b1eb21e5c281
[INFO] running `Command { std: "docker" "start" "-a" "3731e931c29f1c74d906927486eb9384f4b0de8bb3a364016dd4b1eb21e5c281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3731e931c29f1c74d906927486eb9384f4b0de8bb3a364016dd4b1eb21e5c281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3731e931c29f1c74d906927486eb9384f4b0de8bb3a364016dd4b1eb21e5c281", kill_on_drop: false }`
[INFO] [stdout] 3731e931c29f1c74d906927486eb9384f4b0de8bb3a364016dd4b1eb21e5c281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a15e3591d48ef9f81a2644d8a6b186a2f5b87f268ed2511431136dd36e784ca
[INFO] running `Command { std: "docker" "start" "-a" "5a15e3591d48ef9f81a2644d8a6b186a2f5b87f268ed2511431136dd36e784ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling signal-hook v0.4.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling bumpalo v3.20.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling unicode-display-width v0.3.0
[INFO] [stderr]    Compiling arc-swap v1.8.2
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling ftui-core v0.2.1
[INFO] [stderr]    Compiling ftui-render v0.2.1
[INFO] [stderr]    Compiling ftui-backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "5a15e3591d48ef9f81a2644d8a6b186a2f5b87f268ed2511431136dd36e784ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a15e3591d48ef9f81a2644d8a6b186a2f5b87f268ed2511431136dd36e784ca", kill_on_drop: false }`
[INFO] [stdout] 5a15e3591d48ef9f81a2644d8a6b186a2f5b87f268ed2511431136dd36e784ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bdcf6cc8ff87a79fa2571f8c26b03fbdb0e8b3694378fff88eeb4aa0480f727
[INFO] running `Command { std: "docker" "start" "-a" "4bdcf6cc8ff87a79fa2571f8c26b03fbdb0e8b3694378fff88eeb4aa0480f727", kill_on_drop: false }`
[INFO] [stderr]    Compiling ftui-backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4bdcf6cc8ff87a79fa2571f8c26b03fbdb0e8b3694378fff88eeb4aa0480f727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdcf6cc8ff87a79fa2571f8c26b03fbdb0e8b3694378fff88eeb4aa0480f727", kill_on_drop: false }`
[INFO] [stdout] 4bdcf6cc8ff87a79fa2571f8c26b03fbdb0e8b3694378fff88eeb4aa0480f727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40171899c4b551774aa2ee7b145229e2c673b7e4959d4b54c19e7f80f74f214c
[INFO] running `Command { std: "docker" "start" "-a" "40171899c4b551774aa2ee7b145229e2c673b7e4959d4b54c19e7f80f74f214c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ftui_backend-5985f60410b1f358)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::backend_events_access ... ok
[INFO] [stdout] test tests::backend_features_default_all_false ... ok
[INFO] [stdout] test tests::backend_features_equality ... ok
[INFO] [stdout] test tests::backend_full_cycle ... ok
[INFO] [stdout] test tests::clock_returns_elapsed ... ok
[INFO] [stdout] test tests::backend_presenter_access ... ok
[INFO] [stdout] test tests::backend_features_debug ... ok
[INFO] [stdout] test tests::event_source_poll_with_events ... ok
[INFO] [stdout] test tests::clock_zero_duration ... ok
[INFO] [stdout] test tests::backend_features_clone ... ok
[INFO] [stdout] test tests::backend_features_inequality ... ok
[INFO] [stdout] test tests::event_source_read_none_when_empty ... ok
[INFO] [stdout] test tests::event_source_read_drains_events ... ok
[INFO] [stdout] test tests::event_source_size ... ok
[INFO] [stdout] test tests::presenter_capabilities ... ok
[INFO] [stdout] test tests::presenter_gc ... ok
[INFO] [stdout] test tests::presenter_present_ui ... ok
[INFO] [stdout] test tests::test_error_debug ... ok
[INFO] [stdout] test tests::event_source_set_features ... ok
[INFO] [stdout] test tests::presenter_write_log ... ok
[INFO] [stdout] test tests::test_error_display ... ok
[INFO] [stdout] test tests::event_source_poll_empty ... ok
[INFO] [stdout] test tests::backend_clock_access ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ftui_backend
[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" "40171899c4b551774aa2ee7b145229e2c673b7e4959d4b54c19e7f80f74f214c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40171899c4b551774aa2ee7b145229e2c673b7e4959d4b54c19e7f80f74f214c", kill_on_drop: false }`
[INFO] [stdout] 40171899c4b551774aa2ee7b145229e2c673b7e4959d4b54c19e7f80f74f214c