[INFO] fetching crate pol 0.4.0...
[INFO] testing pol-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pol 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate pol 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pol 0.4.0
[INFO] tweaked toml for crates.io crate pol 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pol 0.4.0 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 pol 0.4.0 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] be93d94d1ce8baead4556a5d176c11acee8eb25f1fa809d2103b08f6e04ee8e9
[INFO] running `Command { std: "docker" "start" "-a" "be93d94d1ce8baead4556a5d176c11acee8eb25f1fa809d2103b08f6e04ee8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be93d94d1ce8baead4556a5d176c11acee8eb25f1fa809d2103b08f6e04ee8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be93d94d1ce8baead4556a5d176c11acee8eb25f1fa809d2103b08f6e04ee8e9", kill_on_drop: false }`
[INFO] [stdout] be93d94d1ce8baead4556a5d176c11acee8eb25f1fa809d2103b08f6e04ee8e9
[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] 3d01b548bbf0e5e5b12f193df51304d8ab41a63939c59788c614d55f1962b156
[INFO] running `Command { std: "docker" "start" "-a" "3d01b548bbf0e5e5b12f193df51304d8ab41a63939c59788c614d55f1962b156", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling rustyline v17.0.2
[INFO] [stderr]    Compiling pol v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "3d01b548bbf0e5e5b12f193df51304d8ab41a63939c59788c614d55f1962b156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d01b548bbf0e5e5b12f193df51304d8ab41a63939c59788c614d55f1962b156", kill_on_drop: false }`
[INFO] [stdout] 3d01b548bbf0e5e5b12f193df51304d8ab41a63939c59788c614d55f1962b156
[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] f6ffac9390cd5b53ce06506c843dc872afb8858c0f80e196371d4180e9349924
[INFO] running `Command { std: "docker" "start" "-a" "f6ffac9390cd5b53ce06506c843dc872afb8858c0f80e196371d4180e9349924", kill_on_drop: false }`
[INFO] [stderr]    Compiling pol v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "f6ffac9390cd5b53ce06506c843dc872afb8858c0f80e196371d4180e9349924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ffac9390cd5b53ce06506c843dc872afb8858c0f80e196371d4180e9349924", kill_on_drop: false }`
[INFO] [stdout] f6ffac9390cd5b53ce06506c843dc872afb8858c0f80e196371d4180e9349924
[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] f3cef1c2f56f394719bc6b5912a56c39ea512acc20c9736c4dfd891e7f64a9ed
[INFO] running `Command { std: "docker" "start" "-a" "f3cef1c2f56f394719bc6b5912a56c39ea512acc20c9736c4dfd891e7f64a9ed", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pol-40f32b0dd07d94a1)
[INFO] [stdout] 
[INFO] [stdout] running 87 tests
[INFO] [stdout] test engine::tests::addition ... ok
[INFO] [stdout] test engine::tests::division_by_zero ... ok
[INFO] [stdout] test engine::tests::help_does_not_modify_stack ... ok
[INFO] [stdout] test engine::tests::division ... ok
[INFO] [stdout] test engine::tests::clear_stack ... ok
[INFO] [stdout] test engine::tests::mod_no_remainder ... ok
[INFO] [stdout] test engine::tests::operator_preserves_rest_of_stack ... ok
[INFO] [stdout] test engine::tests::pow_stack_underflow ... ok
[INFO] [stdout] test engine::tests::process_line_clear ... ok
[INFO] [stdout] test engine::tests::multiplication ... ok
[INFO] [stdout] test engine::tests::pow_undo ... ok
[INFO] [stdout] test engine::tests::mod_by_zero ... ok
[INFO] [stdout] test engine::tests::multiple_consecutive_undos ... ok
[INFO] [stdout] test engine::tests::mod_floating_point ... ok
[INFO] [stdout] test engine::tests::pow_zero_exponent ... ok
[INFO] [stdout] test engine::tests::rotate_empty_stack ... ok
[INFO] [stdout] test engine::tests::rotate_full_cycle ... ok
[INFO] [stdout] test engine::tests::mod_undo ... ok
[INFO] [stdout] test engine::tests::rotate_mod_wrapping ... ok
[INFO] [stdout] test engine::tests::rotate_negative_mod_wrapping ... ok
[INFO] [stdout] test engine::tests::process_line_quit ... ok
[INFO] [stdout] test engine::tests::rotate_right_by_1 ... ok
[INFO] [stdout] test engine::tests::push_and_inspect ... ok
[INFO] [stdout] test engine::tests::help_on_empty_stack ... ok
[INFO] [stdout] test engine::tests::rotate_left_by_1 ... ok
[INFO] [stdout] test engine::tests::pop_from_empty_stack ... ok
[INFO] [stdout] test engine::tests::mod_basic ... ok
[INFO] [stdout] test engine::tests::rotate_mid_expression ... ok
[INFO] [stdout] test engine::tests::process_multi_token_expression ... ok
[INFO] [stdout] test engine::tests::rotate_right_by_2 ... ok
[INFO] [stdout] test engine::tests::pop_from_stack_with_elements ... ok
[INFO] [stdout] test engine::tests::pow_basic ... ok
[INFO] [stdout] test engine::tests::sqrt_zero ... ok
[INFO] [stdout] test engine::tests::stack_persists_across_lines ... ok
[INFO] [stdout] test engine::tests::stack_underflow_one_element ... ok
[INFO] [stdout] test engine::tests::rotate_single_element ... ok
[INFO] [stdout] test engine::tests::rotate_zero ... ok
[INFO] [stdout] test engine::tests::stack_underflow_empty ... ok
[INFO] [stdout] test engine::tests::subtraction ... ok
[INFO] [stdout] test engine::tests::mod_stack_underflow ... ok
[INFO] [stdout] test engine::tests::sqrt_empty_stack ... ok
[INFO] [stdout] test engine::tests::sqrt_negative_input ... ok
[INFO] [stdout] test engine::tests::undo_does_not_create_history_entry ... ok
[INFO] [stdout] test engine::tests::undo_after_exhausting_history ... ok
[INFO] [stdout] test engine::tests::undo_all_the_way_to_empty ... ok
[INFO] [stdout] test engine::tests::undo_reverts_push ... ok
[INFO] [stdout] test parser::tests::parse_commands ... ok
[INFO] [stdout] test engine::tests::sqrt_undo ... ok
[INFO] [stdout] test engine::tests::undo_on_fresh_calculator ... ok
[INFO] [stdout] test engine::tests::undo_reverts_clear ... ok
[INFO] [stdout] test parser::tests::parse_extra_whitespace ... ok
[INFO] [stdout] test engine::tests::undo_reverts_operator ... ok
[INFO] [stdout] test engine::tests::undo_reverts_rotate ... ok
[INFO] [stdout] test engine::tests::undo_reverts_pop ... ok
[INFO] [stdout] test engine::tests::sqrt_perfect_square ... ok
[INFO] [stdout] test parser::tests::parse_float ... ok
[INFO] [stdout] test engine::tests::subtraction_negative_result ... ok
[INFO] [stdout] test parser::tests::parse_empty_input ... ok
[INFO] [stdout] test parser::tests::parse_help_in_expression ... ok
[INFO] [stdout] test parser::tests::parse_mixed_expression ... ok
[INFO] [stdout] test parser::tests::parse_mode_bare ... ok
[INFO] [stdout] test parser::tests::parse_mode_vertical ... ok
[INFO] [stdout] test parser::tests::parse_operators ... ok
[INFO] [stdout] test parser::tests::parse_rotate_count ... ok
[INFO] [stdout] test parser::tests::parse_rotate_default ... ok
[INFO] [stdout] test parser::tests::parse_rotate_invalid_mixed_suffix ... ok
[INFO] [stdout] test parser::tests::parse_help ... ok
[INFO] [stdout] test parser::tests::parse_rotate_explicit_1 ... ok
[INFO] [stdout] test parser::tests::parse_integer ... ok
[INFO] [stdout] test parser::tests::parse_mod ... ok
[INFO] [stdout] test parser::tests::parse_mode_horizontal ... ok
[INFO] [stdout] test parser::tests::parse_pop ... ok
[INFO] [stdout] test parser::tests::parse_mode_invalid ... ok
[INFO] [stdout] test parser::tests::parse_negative_number ... ok
[INFO] [stdout] test parser::tests::parse_rotate_invalid_suffix ... ok
[INFO] [stdout] test parser::tests::parse_rotate_negative_count ... ok
[INFO] [stdout] test parser::tests::parse_rotate_negative_default ... ok
[INFO] [stdout] test parser::tests::parse_pow ... ok
[INFO] [stdout] test parser::tests::parse_rotate_negative_explicit_1 ... ok
[INFO] [stdout] test parser::tests::parse_rotate_zero ... ok
[INFO] [stdout] test parser::tests::parse_sqrt ... ok
[INFO] [stdout] test parser::tests::parse_unrecognized_token ... ok
[INFO] [stdout] test parser::tests::parse_undo ... ok
[INFO] [stdout] test parser::tests::parse_undo_in_mixed_expression ... ok
[INFO] [stdout] test engine::tests::pop_from_single_element_stack ... ok
[INFO] [stdout] test engine::tests::rotate_left_by_2 ... ok
[INFO] [stdout] test engine::tests::sqrt_non_perfect_square ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 87 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pol-a93881f773518221)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::horizontal_multi_element ... ok
[INFO] [stdout] test tests::horizontal_float ... ok
[INFO] [stdout] test tests::vertical_float ... ok
[INFO] [stdout] test tests::vertical_empty ... ok
[INFO] [stdout] test tests::horizontal_single ... ok
[INFO] [stdout] test tests::vertical_multi_element ... ok
[INFO] [stdout] test tests::vertical_single ... ok
[INFO] [stdout] test tests::horizontal_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-4ae50325f67d32b8)
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test clear_command ... ok
[INFO] [stdout] test mod_by_zero_error ... ok
[INFO] [stdout] test help_flag_mentions_mode ... ok
[INFO] [stdout] test error_output_on_stderr ... ok
[INFO] [stdout] test help_long_flag ... ok
[INFO] [stdout] test help_short_flag ... ok
[INFO] [stdout] test mod_basic ... ok
[INFO] [stdout] test help_command_in_batch_mode ... ok
[INFO] [stdout] test help_command_does_not_affect_stack ... ok
[INFO] [stdout] test mode_does_not_affect_stack ... ok
[INFO] [stdout] test floating_point_display ... ok
[INFO] [stdout] test pow_zero_exponent ... ok
[INFO] [stdout] test mode_switch_to_vertical ... ok
[INFO] [stdout] test piped_single_expression ... ok
[INFO] [stdout] test mode_does_not_affect_undo ... ok
[INFO] [stdout] test mode_query_default ... ok
[INFO] [stdout] test help_command_prints_help_text ... ok
[INFO] [stdout] test mode_invalid_argument ... ok
[INFO] [stdout] test mode_switch_to_horizontal ... ok
[INFO] [stdout] test rotate_and_undo ... ok
[INFO] [stdout] test pow_basic ... ok
[INFO] [stdout] test rotate_both_directions_roundtrip ... ok
[INFO] [stdout] test pop_on_empty_stack_error ... ok
[INFO] [stdout] test undo_in_pipe_mode ... ok
[INFO] [stdout] test mode_query_after_switch ... ok
[INFO] [stdout] test complex_expression ... ok
[INFO] [stdout] test rotate_right_in_pipe_mode ... ok
[INFO] [stdout] test piped_multi_line ... ok
[INFO] [stdout] test undo_with_no_history_prints_error ... ok
[INFO] [stdout] test unrecognized_token_error ... ok
[INFO] [stdout] test rotate_with_count ... ok
[INFO] [stdout] test sqrt_basic ... ok
[INFO] [stdout] test rotate_left_in_pipe_mode ... ok
[INFO] [stdout] test sqrt_negative_error ... ok
[INFO] [stdout] test quit_command ... ok
[INFO] [stdout] test division_by_zero_error ... ok
[INFO] [stdout] test pop_in_pipe_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pol
[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" "f3cef1c2f56f394719bc6b5912a56c39ea512acc20c9736c4dfd891e7f64a9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cef1c2f56f394719bc6b5912a56c39ea512acc20c9736c4dfd891e7f64a9ed", kill_on_drop: false }`
[INFO] [stdout] f3cef1c2f56f394719bc6b5912a56c39ea512acc20c9736c4dfd891e7f64a9ed
