[INFO] fetching crate retrogress 2.0.0...
[INFO] testing retrogress-2.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate retrogress 2.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate retrogress 2.0.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate retrogress 2.0.0
[INFO] tweaked toml for crates.io crate retrogress 2.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retrogress 2.0.0 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 retrogress 2.0.0 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2f24a55aae5588c1d34befba175d87da93cbb4d88d6b897d61573efa902798
[INFO] running `Command { std: "docker" "start" "-a" "fa2f24a55aae5588c1d34befba175d87da93cbb4d88d6b897d61573efa902798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2f24a55aae5588c1d34befba175d87da93cbb4d88d6b897d61573efa902798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2f24a55aae5588c1d34befba175d87da93cbb4d88d6b897d61573efa902798", kill_on_drop: false }`
[INFO] [stdout] fa2f24a55aae5588c1d34befba175d87da93cbb4d88d6b897d61573efa902798
[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=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] aad733bf0957105c498ed85849dc0154f5c3033e98762117ccb15b908b2ed0f1
[INFO] running `Command { std: "docker" "start" "-a" "aad733bf0957105c498ed85849dc0154f5c3033e98762117ccb15b908b2ed0f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling console v0.16.2
[INFO] [stderr]    Compiling retrogress v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "aad733bf0957105c498ed85849dc0154f5c3033e98762117ccb15b908b2ed0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad733bf0957105c498ed85849dc0154f5c3033e98762117ccb15b908b2ed0f1", kill_on_drop: false }`
[INFO] [stdout] aad733bf0957105c498ed85849dc0154f5c3033e98762117ccb15b908b2ed0f1
[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=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] 70a8f56a8e634b29fbabbd18b4a4d54901d89f51ae63d36a370af32f5878c530
[INFO] running `Command { std: "docker" "start" "-a" "70a8f56a8e634b29fbabbd18b4a4d54901d89f51ae63d36a370af32f5878c530", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling retrogress v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "70a8f56a8e634b29fbabbd18b4a4d54901d89f51ae63d36a370af32f5878c530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a8f56a8e634b29fbabbd18b4a4d54901d89f51ae63d36a370af32f5878c530", kill_on_drop: false }`
[INFO] [stdout] 70a8f56a8e634b29fbabbd18b4a4d54901d89f51ae63d36a370af32f5878c530
[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=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] f474ee551521e7312f970ea7fa5fc3a1e1e920571bf5c86722a5f1a36d6bef85
[INFO] running `Command { std: "docker" "start" "-a" "f474ee551521e7312f970ea7fa5fc3a1e1e920571bf5c86722a5f1a36d6bef85", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retrogress-8193cde0786cb08f)
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stdout] [?25l[?25h[?25l[?25h[?25l[?25l[?25h[?25h[?25l[?25h[?25l[?25h[?25l[?25l[?25h[?25l[?25h[?25l[?25h[?25l[?25h[?25l[?25h[?25l[?25htest parallel::tests::channel_disconnection_after_worker_panic ... ok
[INFO] [stdout] test parallel::tests::parallel_append_returns_unique_refs ... ok
[INFO] [stdout] test parallel::tests::graceful_handling_of_channel_errors ... ok
[INFO] [stdout] [?25ltest parallel::tests::parallel_concurrent_access ... ok
[INFO] [stdout] test parallel::tests::parallel_debug_trait ... ok
[INFO] [stdout] test parallel::tests::parallel_default_creates_worker_thread ... ok
[INFO] [stdout] [?25l[?25l[?25htest parallel::tests::parallel_drop_shuts_down_worker_thread ... ok
[INFO] [stdout] test parallel::tests::parallel_boxed_returns_boxed_instance ... ok
[INFO] [stdout] [?25l[?25htest parallel::tests::operations_after_channel_failure ... ok[?25l[?25h[?25l[?25h[?25l[?25h
[INFO] [stdout] [?25l[?25htest parallel::tests::parallel_new_creates_worker_thread ... ok
[INFO] [stdout] test parallel::tests::parallel_failed_operation ... ok
[INFO] [stdout] test parallel::tests::progress_message_debug_trait ... ok
[INFO] [stdout] test parallel::tests::parallel_multiple_operations_sequence ... ok
[INFO] [stdout] [?25l[?25l[?25ltest parallel::tests::parallel_operations_do_not_panic ... ok[?25l
[INFO] [stdout] test parallel::tests::parallel_implements_progress_trait ... ok
[INFO] [stdout] test parallel::tests::parallel_message_sender_channel_works ... ok
[INFO] [stdout] test parallel::tests::progress_bar_state_buffer ... ok
[INFO] [stdout] [?25l[?25ltest parallel::tests::parallel_worker_thread_processes_shutdown ... ok
[INFO] [stdout] test parallel::tests::status_debug_trait ... ok
[INFO] [stdout] test parallel::tests::status_display_trait ... ok
[INFO] [stdout] test parallel::tests::progress_message_display_trait ... [?25lok
[INFO] [stdout] [?25ltest parallel::tests::status_clone_and_copy ... ok[?25l
[INFO] [stdout] test progress::tests::progress_bar_is_send_and_sync ... ok
[INFO] [stdout] [?25l[?25l[?25ltest progress::tests::ref_default_creates_new_ref ... ok
[INFO] [stdout] test progress::tests::ref_is_copy_and_clone ... ok
[INFO] [stdout] test progress::tests::ref_new_generates_unique_ids ... ok
[INFO] [stdout] test render::tests::progress_bar_clone ... ok
[INFO] [stdout] test render::tests::progress_bar_finish ... ok
[INFO] [stdout] test render::tests::progress_bar_finished_stops_spinner_updates ... ok
[INFO] [stdout] test render::tests::progress_bar_hide ... ok
[INFO] [stdout] test render::tests::progress_bar_new_creates_with_message ... ok
[INFO] [stdout] test render::tests::progress_bar_println_when_hidden ... ok
[INFO] [stdout] test render::tests::progress_bar_println_when_visible ... ok
[INFO] [stdout] test render::tests::progress_bar_set_message ... ok
[INFO] [stdout] test render::tests::progress_bar_set_prefix ... ok
[INFO] [stdout] test render::tests::progress_bar_show ... ok
[INFO] [stdout] test render::tests::progress_bar_tick_updates_spinner ... ok
[INFO] [stdout] test render::tests::renderer_debug_trait ... ok
[INFO] [stdout] test render::tests::spinner_chars_constant ... ok
[INFO] [stdout] test sync::tests::sync_append_creates_and_stores_progress_bar ... ok
[INFO] [stdout] test sync::tests::sync_append_returns_different_refs_for_different_messages ... ok
[INFO] [stdout] test sync::tests::sync_boxed_returns_boxed_instance ... ok
[INFO] [stdout] test sync::tests::sync_debug_trait ... ok
[INFO] [stdout] test sync::tests::sync_default_creates_empty_progress_tracker ... ok
[INFO] [stdout] test sync::tests::sync_failed_operation_with_valid_reference ... ok
[INFO] [stdout] test sync::tests::sync_failed_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] test sync::tests::sync_hide_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] test sync::tests::sync_implements_progress_trait ... ok
[INFO] [stdout] test sync::tests::sync_multiple_append_and_operations ... ok
[INFO] [stdout] test sync::tests::sync_new_creates_empty_progress_tracker ... ok
[INFO] [stdout] test sync::tests::sync_operations_with_valid_reference ... ok
[INFO] [stdout] test sync::tests::sync_println_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] test sync::tests::sync_set_message_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] test sync::tests::sync_show_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] test sync::tests::sync_succeeded_panics_with_invalid_reference - should panic ... ok
[INFO] [stdout] [?25l[?25h[?25l[?25htest parallel::tests::many_concurrent_threads_same_progress_bar ... ok
[INFO] [stdout] [?25h[?25l[?25htest parallel::tests::performance_under_high_load ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_append_delegates_to_implementation ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_from_boxed_progress ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_println_delegates_to_implementation ... ok
[INFO] [stdout] [?25h[?25htest progress::tests::progress_bar_clone ... ok
[INFO] [stdout] [?25l[?25htest parallel::tests::stress_high_frequency_concurrent_operations ... ok
[INFO] [stdout] [?25h[?25htest progress::tests::progress_bar_failed_delegates_to_implementation ... ok
[INFO] [stdout] test progress::tests::progress_bar_show_delegates_to_implementation ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_succeeded_delegates_to_implementation ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_hide_delegates_to_implementation ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_debug_trait ... ok
[INFO] [stdout] [?25htest progress::tests::progress_bar_set_message_delegates_to_implementation ... ok
[INFO] [stdout] [?25l[?25htest parallel::tests::parallel_render_sends_tick_message ... ok
[INFO] [stdout] [?25l[?25l[?25htest parallel::tests::parallel_render_with_multiple_progress_bars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
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[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] [?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25htest empty_messages ... ok
[INFO] [stdout] [?25htest progress_bar_hide_and_show ... ok
[INFO] [stdout] [?25htest unicode_messages ... ok
[INFO] [stdout] [?25h[?25l[?25htest parallel_many_progress_bars ... ok
[INFO] [stdout] [?25h[?25htest many_progress_bars ... ok
[INFO] [stdout] [?25l[?25htest rapid_operations ... ok
[INFO] [stdout] [?25h[?25l[?25h[?25l[?25h[?25l[?25h[?25htest parallel_progress_bar_multiple_threads ... ok
[INFO] [stdout] test sync_progress_bar_basic_usage ... ok
[INFO] [stdout] [?25h[?25htest progress_bar_clone_and_move ... ok
[INFO] [stdout] [?25l[?25htest parallel_progress_bar_basic_usage ... ok
[INFO] [stdout] [?25h[?25h[?25l[?25htest very_long_messages ... ok
[INFO] [stdout] test interleaved_operations ... ok
[INFO] [stderr] [?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l[?25l
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[INFO] [stdout] [?25h[?25l[?25htest channel_disconnection_handling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync::Sync (line 11) ... ok
[INFO] [stdout] test src/parallel/mod.rs - parallel::Parallel (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.40s; merged doctests compilation took 0.30s
[INFO] running `Command { std: "docker" "inspect" "f474ee551521e7312f970ea7fa5fc3a1e1e920571bf5c86722a5f1a36d6bef85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f474ee551521e7312f970ea7fa5fc3a1e1e920571bf5c86722a5f1a36d6bef85", kill_on_drop: false }`
[INFO] [stdout] f474ee551521e7312f970ea7fa5fc3a1e1e920571bf5c86722a5f1a36d6bef85
