[INFO] fetching crate grovedb-epoch-based-storage-flags 3.1.0...
[INFO] testing grovedb-epoch-based-storage-flags-3.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate grovedb-epoch-based-storage-flags 3.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate grovedb-epoch-based-storage-flags 3.1.0
[INFO] finished tweaking crates.io crate grovedb-epoch-based-storage-flags 3.1.0
[INFO] tweaked toml for crates.io crate grovedb-epoch-based-storage-flags 3.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grovedb-epoch-based-storage-flags 3.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grovedb-epoch-based-storage-flags 3.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intmap v3.1.2
[INFO] [stderr]   Downloaded integer-encoding v4.0.2
[INFO] [stderr]   Downloaded grovedb-costs v3.1.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 013c1b377b844a5444713586fefa752181ca9a7ed8e42b58d3aa03133636cbb3
[INFO] running `Command { std: "docker" "start" "-a" "013c1b377b844a5444713586fefa752181ca9a7ed8e42b58d3aa03133636cbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013c1b377b844a5444713586fefa752181ca9a7ed8e42b58d3aa03133636cbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013c1b377b844a5444713586fefa752181ca9a7ed8e42b58d3aa03133636cbb3", kill_on_drop: false }`
[INFO] [stdout] 013c1b377b844a5444713586fefa752181ca9a7ed8e42b58d3aa03133636cbb3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ccd2fe89cdf238d284ea03a70ec3664063d58f5d7a576ce6c480c5ba5895973
[INFO] running `Command { std: "docker" "start" "-a" "6ccd2fe89cdf238d284ea03a70ec3664063d58f5d7a576ce6c480c5ba5895973", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling integer-encoding v4.0.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling intmap v3.1.2
[INFO] [stderr]    Compiling grovedb-costs v3.1.0
[INFO] [stderr]    Compiling grovedb-epoch-based-storage-flags v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:678:15
[INFO] [stdout]     |
[INFO] [stdout] 678 |         data: &Option<ElementFlags>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<Self>>, StorageFlagsError> {
[INFO] [stdout]     |                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<'_, Self>>, StorageFlagsError> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "6ccd2fe89cdf238d284ea03a70ec3664063d58f5d7a576ce6c480c5ba5895973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccd2fe89cdf238d284ea03a70ec3664063d58f5d7a576ce6c480c5ba5895973", kill_on_drop: false }`
[INFO] [stdout] 6ccd2fe89cdf238d284ea03a70ec3664063d58f5d7a576ce6c480c5ba5895973
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a316a791b652911f5238f6ec8c2163226a152ae45de545f7bd1af5823070fc6
[INFO] running `Command { std: "docker" "start" "-a" "0a316a791b652911f5238f6ec8c2163226a152ae45de545f7bd1af5823070fc6", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:678:15
[INFO] [stdout]     |
[INFO] [stdout] 678 |         data: &Option<ElementFlags>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<Self>>, StorageFlagsError> {
[INFO] [stdout]     |                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<'_, Self>>, StorageFlagsError> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grovedb-epoch-based-storage-flags v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `combined_flag`
[INFO] [stdout]    --> src/lib.rs:875:17
[INFO] [stdout]     |
[INFO] [stdout] 875 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_flag`
[INFO] [stdout]    --> src/lib.rs:905:17
[INFO] [stdout]     |
[INFO] [stdout] 905 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_flag`
[INFO] [stdout]    --> src/lib.rs:923:17
[INFO] [stdout]     |
[INFO] [stdout] 923 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_flag`
[INFO] [stdout]    --> src/lib.rs:943:17
[INFO] [stdout]     |
[INFO] [stdout] 943 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `combined_flag`
[INFO] [stdout]    --> src/lib.rs:964:17
[INFO] [stdout]     |
[INFO] [stdout] 964 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:678:15
[INFO] [stdout]     |
[INFO] [stdout] 678 |         data: &Option<ElementFlags>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<Self>>, StorageFlagsError> {
[INFO] [stdout]     |                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 679 |     ) -> Result<Option<Cow<'_, Self>>, StorageFlagsError> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "0a316a791b652911f5238f6ec8c2163226a152ae45de545f7bd1af5823070fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a316a791b652911f5238f6ec8c2163226a152ae45de545f7bd1af5823070fc6", kill_on_drop: false }`
[INFO] [stdout] 0a316a791b652911f5238f6ec8c2163226a152ae45de545f7bd1af5823070fc6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f8325b777cc23c898c3a2fe8b0273546d2275d1d49eea91b1cfb4dac201e3c4
[INFO] running `Command { std: "docker" "start" "-a" "3f8325b777cc23c898c3a2fe8b0273546d2275d1d49eea91b1cfb4dac201e3c4", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:678:15
[INFO] [stderr]     |
[INFO] [stderr] 678 |         data: &Option<ElementFlags>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stderr] 679 |     ) -> Result<Option<Cow<Self>>, StorageFlagsError> {
[INFO] [stderr]     |                        ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 679 |     ) -> Result<Option<Cow<'_, Self>>, StorageFlagsError> {
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_flag`
[INFO] [stderr]    --> src/lib.rs:875:17
[INFO] [stderr]     |
[INFO] [stderr] 875 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_flag`
[INFO] [stderr]    --> src/lib.rs:905:17
[INFO] [stderr]     |
[INFO] [stderr] 905 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_flag`
[INFO] [stderr]    --> src/lib.rs:923:17
[INFO] [stderr]     |
[INFO] [stderr] 923 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_flag`
[INFO] [stderr]    --> src/lib.rs:943:17
[INFO] [stderr]     |
[INFO] [stderr] 943 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `combined_flag`
[INFO] [stderr]    --> src/lib.rs:964:17
[INFO] [stderr]     |
[INFO] [stderr] 964 |             let combined_flag = left_flag.clone().combine_added_bytes(
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combined_flag`
[INFO] [stderr] 
[INFO] [stderr] warning: `grovedb-epoch-based-storage-flags` (lib) generated 1 warning (run `cargo fix --lib -p grovedb-epoch-based-storage-flags` to apply 1 suggestion)
[INFO] [stderr] warning: `grovedb-epoch-based-storage-flags` (lib test) generated 6 warnings (1 duplicate) (run `cargo fix --lib -p grovedb-epoch-based-storage-flags --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grovedb_epoch_based_storage_flags-8ae51def5af553aa)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test storage_flags_tests::test_combine_that_would_remove_the_epoch_completely_with_many_entries ... ok
[INFO] [stdout] test storage_flags_tests::test_combine_that_would_remove_the_epoch_completely ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_owned_removal_with_remaining_base ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_removal_no_remaining_base ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_removal_excess_bytes ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_owned_removal_all_bytes_taken_from_non_base_epoch ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_owned_removal_excess_bytes ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_removal_remaining_base_epoch ... ok
[INFO] [stdout] test storage_flags_tests::test_single_epoch_owned_removal_partial_bytes ... ok
[INFO] [stdout] test storage_flags_tests::test_single_epoch_removal_zero_bytes ... ok
[INFO] [stdout] test storage_flags_tests::test_single_epoch_removal ... ok
[INFO] [stdout] test storage_flags_tests::test_multi_epoch_removal_with_remaining_base ... ok
[INFO] [stdout] test storage_flags_tests::test_single_epoch_owned_removal ... ok
[INFO] [stdout] test storage_flags_tests::test_storage_flags_combine ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grovedb_epoch_based_storage_flags
[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" "3f8325b777cc23c898c3a2fe8b0273546d2275d1d49eea91b1cfb4dac201e3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f8325b777cc23c898c3a2fe8b0273546d2275d1d49eea91b1cfb4dac201e3c4", kill_on_drop: false }`
[INFO] [stdout] 3f8325b777cc23c898c3a2fe8b0273546d2275d1d49eea91b1cfb4dac201e3c4
