[INFO] fetching crate sundo 0.2.0...
[INFO] testing sundo-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate sundo 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sundo 0.2.0
[INFO] finished tweaking crates.io crate sundo 0.2.0
[INFO] tweaked toml for crates.io crate sundo 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sundo 0.2.0 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 sundo 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded im v15.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 94497323ffc3b677c9c18971ea7855667cb198eaec2ac2a3e89e703d3eb40b45
[INFO] running `Command { std: "docker" "start" "-a" "94497323ffc3b677c9c18971ea7855667cb198eaec2ac2a3e89e703d3eb40b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94497323ffc3b677c9c18971ea7855667cb198eaec2ac2a3e89e703d3eb40b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94497323ffc3b677c9c18971ea7855667cb198eaec2ac2a3e89e703d3eb40b45", kill_on_drop: false }`
[INFO] [stdout] 94497323ffc3b677c9c18971ea7855667cb198eaec2ac2a3e89e703d3eb40b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7ec2c2b9f3c8f1767dbd794444b004b300dfe45463ae672b62b31fbe9620b8fc
[INFO] running `Command { std: "docker" "start" "-a" "7ec2c2b9f3c8f1767dbd794444b004b300dfe45463ae672b62b31fbe9620b8fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling sundo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "7ec2c2b9f3c8f1767dbd794444b004b300dfe45463ae672b62b31fbe9620b8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec2c2b9f3c8f1767dbd794444b004b300dfe45463ae672b62b31fbe9620b8fc", kill_on_drop: false }`
[INFO] [stdout] 7ec2c2b9f3c8f1767dbd794444b004b300dfe45463ae672b62b31fbe9620b8fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f93b0792621aab5530da06b6dabb5594bdaafb24056fd37e7a53878b8952e643
[INFO] running `Command { std: "docker" "start" "-a" "f93b0792621aab5530da06b6dabb5594bdaafb24056fd37e7a53878b8952e643", kill_on_drop: false }`
[INFO] [stderr]    Compiling sundo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `users` and `messages` are never read
[INFO] [stdout]     --> src/test.rs:1047:13
[INFO] [stdout]      |
[INFO] [stdout] 1046 |         struct AppState {
[INFO] [stdout]      |                -------- fields in this struct
[INFO] [stdout] 1047 |             users: HashMap<u64, String>,
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout] 1048 |             messages: Vector<String>,
[INFO] [stdout]      |             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `AppState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]     --> src/test.rs:1805:17
[INFO] [stdout]      |
[INFO] [stdout] 1805 |         assert!(snapshot.current_memory_bytes >= 0);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "f93b0792621aab5530da06b6dabb5594bdaafb24056fd37e7a53878b8952e643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93b0792621aab5530da06b6dabb5594bdaafb24056fd37e7a53878b8952e643", kill_on_drop: false }`
[INFO] [stdout] f93b0792621aab5530da06b6dabb5594bdaafb24056fd37e7a53878b8952e643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 52537b450ce3fb63d8d9ddd571b7f21c00fb9222c499c459bd3be9fb04cf917e
[INFO] running `Command { std: "docker" "start" "-a" "52537b450ce3fb63d8d9ddd571b7f21c00fb9222c499c459bd3be9fb04cf917e", kill_on_drop: false }`
[INFO] [stderr] warning: fields `users` and `messages` are never read
[INFO] [stderr]     --> src/test.rs:1047:13
[INFO] [stderr]      |
[INFO] [stderr] 1046 |         struct AppState {
[INFO] [stderr]      |                -------- fields in this struct
[INFO] [stderr] 1047 |             users: HashMap<u64, String>,
[INFO] [stderr]      |             ^^^^^
[INFO] [stderr] 1048 |             messages: Vector<String>,
[INFO] [stderr]      |             ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `AppState` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]     --> src/test.rs:1805:17
[INFO] [stderr]      |
[INFO] [stderr] 1805 |         assert!(snapshot.current_memory_bytes >= 0);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sundo` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sundo-3f14e7a2ef0cd2f8)
[INFO] [stdout] 
[INFO] [stdout] running 86 tests
[INFO] [stdout] test test::builder_tests::test_builder_default ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_one ... ok
[INFO] [stdout] test test::builder_tests::test_builder_with_capacity ... ok
[INFO] [stdout] test test::builder_tests::test_combined_limits ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_preserves_current_state ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_pointer_adjustment ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_with_undo ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_with_update ... ok
[INFO] [stdout] test test::builder_tests::test_memory_based_limit_basic ... ok
[INFO] [stdout] test test::builder_tests::test_memory_footprint_for_im_vector ... ok
[INFO] [stdout] test test::builder_tests::test_memory_based_limit_with_vec ... ok
[INFO] [stdout] test test::builder_tests::test_max_entries_pruning ... ok
[INFO] [stdout] test test::builder_tests::test_memory_limit_preserves_current_state ... ok
[INFO] [stdout] test test::builder_tests::test_no_limit_unlimited_history ... ok
[INFO] [stdout] test test::builder_tests::test_memory_footprint_for_vec ... ok
[INFO] [stdout] test test::builder_tests::test_memory_footprint_for_string ... ok
[INFO] [stdout] test test::builder_tests::test_persistent_builder_max_entries ... ok
[INFO] [stdout] test test::builder_tests::test_snapshot_with_memory_info ... ok
[INFO] [stdout] test test::scoped_transaction_tests::test_persistent_scoped_transaction_commit ... ok
[INFO] [stdout] test test::scoped_transaction_tests::test_persistent_scoped_transaction_rollback ... ok
[INFO] [stdout] test test::tests::test_cancel_transaction ... ok
[INFO] [stdout] test test::tests::test_cancel_transaction_without_start ... ok
[INFO] [stdout] test test::tests::test_complex_workflow ... ok
[INFO] [stdout] test test::scoped_transaction_tests::test_scoped_transaction_rollback ... ok
[INFO] [stdout] test test::scoped_transaction_tests::test_scoped_transaction_commit ... ok
[INFO] [stdout] test test::tests::test_custom_persistent_type ... ok
[INFO] [stdout] test test::tests::test_get_history_empty ... ok
[INFO] [stdout] test test::tests::test_get_history_len ... ok
[INFO] [stdout] test test::builder_tests::test_restore_from_snapshot_with_memory_limits ... ok
[INFO] [stdout] test test::builder_tests::test_persistent_with_memory_limits ... ok
[INFO] [stdout] test test::tests::test_get_history_single_item ... ok
[INFO] [stdout] test test::tests::test_go_to_valid_index ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_basic ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_multiple_times ... ok
[INFO] [stdout] test test::tests::test_end_transaction_without_start ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_on_empty ... ok
[INFO] [stdout] test test::tests::test_go_to_invalid_index ... ok
[INFO] [stdout] test test::tests::test_get_pointer ... ok
[INFO] [stdout] test test::tests::test_get_history_with_undo ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_preserves_description ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_preserves_redo_stack ... ok
[INFO] [stdout] test test::tests::test_modify_current_in_place_with_transaction ... ok
[INFO] [stdout] test test::tests::test_modify_vs_replace_current_behavior ... ok
[INFO] [stdout] test test::tests::test_new ... ok
[INFO] [stdout] test test::tests::test_nested_transaction_ignored ... ok
[INFO] [stdout] test test::tests::test_persistent_can_undo_redo ... ok
[INFO] [stdout] test test::tests::test_persistent_cancel_transaction ... ok
[INFO] [stdout] test test::tests::test_persistent_custom_type ... ok
[INFO] [stdout] test test::tests::test_persistent_get_history ... ok
[INFO] [stdout] test test::tests::test_persistent_go_to ... ok
[INFO] [stdout] test test::tests::test_persistent_replace_current ... ok
[INFO] [stdout] test test::tests::test_persistent_modify_vs_replace_current_behavior ... ok
[INFO] [stdout] test test::tests::test_persistent_modify_current_in_place_preserves_redo ... ok
[INFO] [stdout] test test::tests::test_persistent_replace_current_truncates_future ... ok
[INFO] [stdout] test test::tests::test_persistent_modify_current_in_place_complex_modifications ... ok
[INFO] [stdout] test test::tests::test_persistent_modify_current_in_place_basic ... ok
[INFO] [stdout] test test::tests::test_persistent_no_rc_overhead ... ok
[INFO] [stdout] test test::tests::test_persistent_trait_with_im_hashmap ... ok
[INFO] [stdout] test test::tests::test_persistent_transaction_does_not_overwrite_previous_state ... ok
[INFO] [stdout] test test::tests::test_persistent_undo_redo_undo_redo ... ok
[INFO] [stdout] test test::tests::test_persistent_undo_redo_basic ... ok
[INFO] [stdout] test test::tests::test_persistent_trait_with_im_vector ... ok
[INFO] [stdout] test test::tests::test_push_multiple_items ... ok
[INFO] [stdout] test test::tests::test_go_to_first_item ... ok
[INFO] [stdout] test test::tests::test_push_single_item ... ok
[INFO] [stdout] test test::tests::test_persistent_transaction ... ok
[INFO] [stdout] test test::tests::test_present ... ok
[INFO] [stdout] test test::tests::test_rc_sharing ... ok
[INFO] [stdout] test test::tests::test_redo_at_end ... ok
[INFO] [stdout] test test::tests::test_redo_basic ... ok
[INFO] [stderr]    Doc-tests sundo
[INFO] [stdout] test test::tests::test_replace_current ... ok
[INFO] [stdout] test test::tests::test_push_truncates_future_history ... ok
[INFO] [stdout] test test::tests::test_replace_current_multiple_times ... ok
[INFO] [stdout] test test::tests::test_replace_current_on_empty ... ok
[INFO] [stdout] test test::tests::test_replace_current_preserves_description ... ok
[INFO] [stdout] test test::tests::test_persistent_undo_redo_update ... ok
[INFO] [stdout] test test::tests::test_replace_current_truncates_future ... ok
[INFO] [stdout] test test::tests::test_replace_current_with_navigation_example ... ok
[INFO] [stdout] test test::tests::test_start_transaction_basic ... ok
[INFO] [stdout] test test::tests::test_undo_after_transaction ... ok
[INFO] [stdout] test test::tests::test_update_basic ... ok
[INFO] [stdout] test test::tests::test_transaction_does_not_overwrite_previous_state ... ok
[INFO] [stdout] test test::tests::test_update_on_empty ... ok
[INFO] [stdout] test test::tests::test_transaction_with_no_changes ... ok
[INFO] [stdout] test test::tests::test_undo_at_beginning ... ok
[INFO] [stdout] test test::tests::test_undo_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 86 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - sundo::Actions::modify_current_in_place (line 478) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::Actions::replace_current (line 445) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::MemoryFootprint (line 46) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::Persistent (line 14) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::Persistent (line 25) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::PersistentActions::modify_current_in_place (line 322) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::PersistentActions::replace_current (line 289) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::PersistentEntry (line 229) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::PersistentScopedTransaction (line 1034) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::PersistentUndoRedoBuilder (line 1195) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::ScopedTransaction (line 961) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::Snapshot (line 368) ... ignored
[INFO] [stdout] test src/lib.rs - sundo::UndoRedoBuilder (line 1097) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 13 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.65s; merged doctests compilation took 0.64s
[INFO] running `Command { std: "docker" "inspect" "52537b450ce3fb63d8d9ddd571b7f21c00fb9222c499c459bd3be9fb04cf917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52537b450ce3fb63d8d9ddd571b7f21c00fb9222c499c459bd3be9fb04cf917e", kill_on_drop: false }`
[INFO] [stdout] 52537b450ce3fb63d8d9ddd571b7f21c00fb9222c499c459bd3be9fb04cf917e