[INFO] fetching crate nostalgia 0.0.1...
[INFO] testing nostalgia-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate nostalgia 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nostalgia 0.0.1
[INFO] finished tweaking crates.io crate nostalgia 0.0.1
[INFO] tweaked toml for crates.io crate nostalgia 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nostalgia 0.0.1 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 nostalgia 0.0.1 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" "+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] 26d75eccf4118d767c6d0ba6df6b0b6e7bde1b88b9cabbe4dfe65fcb8ed4ca5f
[INFO] running `Command { std: "docker" "start" "-a" "26d75eccf4118d767c6d0ba6df6b0b6e7bde1b88b9cabbe4dfe65fcb8ed4ca5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d75eccf4118d767c6d0ba6df6b0b6e7bde1b88b9cabbe4dfe65fcb8ed4ca5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d75eccf4118d767c6d0ba6df6b0b6e7bde1b88b9cabbe4dfe65fcb8ed4ca5f", kill_on_drop: false }`
[INFO] [stdout] 26d75eccf4118d767c6d0ba6df6b0b6e7bde1b88b9cabbe4dfe65fcb8ed4ca5f
[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] fbc7c257743dba540e633dc8f4b20c74d8705eea042292640b42e86347fe7294
[INFO] running `Command { std: "docker" "start" "-a" "fbc7c257743dba540e633dc8f4b20c74d8705eea042292640b42e86347fe7294", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]    Compiling lmdb v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling nostalgia-derive v0.0.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling nostalgia v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<T>, StorageError> {
[INFO] [stdout]     |                             ^^^^^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<'_, T>, StorageError> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `Command { std: "docker" "inspect" "fbc7c257743dba540e633dc8f4b20c74d8705eea042292640b42e86347fe7294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc7c257743dba540e633dc8f4b20c74d8705eea042292640b42e86347fe7294", kill_on_drop: false }`
[INFO] [stdout] fbc7c257743dba540e633dc8f4b20c74d8705eea042292640b42e86347fe7294
[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] 6ab1c51006468f05f88a10443b3c155a5c0aa04bb6a8902b8c62321cd85ef91e
[INFO] running `Command { std: "docker" "start" "-a" "6ab1c51006468f05f88a10443b3c155a5c0aa04bb6a8902b8c62321cd85ef91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<T>, StorageError> {
[INFO] [stdout]     |                             ^^^^^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<'_, T>, StorageError> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling dummy v0.3.3
[INFO] [stderr]    Compiling fake v2.2.3
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling nostalgia v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `AnotherThing` is never constructed
[INFO] [stdout]   --> src/key.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     struct AnotherThing {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage.rs:291:29
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<T>, StorageError> {
[INFO] [stdout]     |                             ^^^^^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is elided 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] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<'_, T>, StorageError> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6ab1c51006468f05f88a10443b3c155a5c0aa04bb6a8902b8c62321cd85ef91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab1c51006468f05f88a10443b3c155a5c0aa04bb6a8902b8c62321cd85ef91e", kill_on_drop: false }`
[INFO] [stdout] 6ab1c51006468f05f88a10443b3c155a5c0aa04bb6a8902b8c62321cd85ef91e
[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] 927290d22c82b1677b76e861244098b7ef7ef87fe43341f44fe611b91e904536
[INFO] running `Command { std: "docker" "start" "-a" "927290d22c82b1677b76e861244098b7ef7ef87fe43341f44fe611b91e904536", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/storage.rs:291:29
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<T>, StorageError> {
[INFO] [stderr]     |                             ^^^^^^^^^            ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             the lifetime is elided 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] 291 |     pub fn query<T: Record>(&mut self) -> Result<RoQuery<'_, T>, StorageError> {
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `nostalgia` (lib) generated 1 warning (run `cargo fix --lib -p nostalgia` to apply 1 suggestion)
[INFO] [stderr] warning: struct `AnotherThing` is never constructed
[INFO] [stderr]   --> src/key.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     struct AnotherThing {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nostalgia` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nostalgia-925f41683b39d88a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test key::tests::test_that_are_key_type_is_useful ... ok
[INFO] [stdout] test record::tests::test_that_we_can_use_the_custom_derive_macro ... ok
[INFO] [stdout] test storage::tests::test_that_we_keep_track_of_db_references ... ok
[INFO] [stdout] test storage::tests::test_that_we_can_insert_and_get_records_with_a_storage_object ... ok
[INFO] [stdout] test storage::tests::test_that_we_can_batch_insert_records_and_then_interate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nostalgia
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/storage.rs - storage::Storage::new (line 46) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::query (line 267) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::save (line 102) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::delete (line 233) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::save_batch (line 140) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::get (line 190) ... ok
[INFO] [stdout] test src/storage.rs - storage::Storage::find (line 306) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "927290d22c82b1677b76e861244098b7ef7ef87fe43341f44fe611b91e904536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927290d22c82b1677b76e861244098b7ef7ef87fe43341f44fe611b91e904536", kill_on_drop: false }`
[INFO] [stdout] 927290d22c82b1677b76e861244098b7ef7ef87fe43341f44fe611b91e904536
