[INFO] fetching crate hstreamdb 0.2.2...
[INFO] testing hstreamdb-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hstreamdb 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate hstreamdb 0.2.2
[INFO] finished tweaking crates.io crate hstreamdb 0.2.2
[INFO] tweaked toml for crates.io crate hstreamdb 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hstreamdb 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 214 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding prost v0.11.9 (available: v0.14.1)
[INFO] [stderr]       Adding prost-types v0.11.9 (available: v0.14.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tonic v0.8.3 (available: v0.14.2)
[INFO] [stderr]       Adding zstd v0.12.4 (available: v0.13.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-timeout v0.4.1
[INFO] [stderr]   Downloaded zstd-safe v6.0.6
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.1
[INFO] [stderr]   Downloaded axum-core v0.3.4
[INFO] [stderr]   Downloaded tonic-build v0.8.4
[INFO] [stderr]   Downloaded prost-build v0.11.9
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded axum v0.6.20
[INFO] [stderr]   Downloaded tonic v0.8.3
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded zstd v0.12.4
[INFO] [stderr]   Downloaded hstreamdb-pb v0.2.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c0c5b954449cf79acd0cb7b7ec1a650dcf695d2d5fba1effcc326eb7edca8a
[INFO] running `Command { std: "docker" "start" "-a" "60c0c5b954449cf79acd0cb7b7ec1a650dcf695d2d5fba1effcc326eb7edca8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c0c5b954449cf79acd0cb7b7ec1a650dcf695d2d5fba1effcc326eb7edca8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c0c5b954449cf79acd0cb7b7ec1a650dcf695d2d5fba1effcc326eb7edca8a", kill_on_drop: false }`
[INFO] [stdout] 60c0c5b954449cf79acd0cb7b7ec1a650dcf695d2d5fba1effcc326eb7edca8a
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf85c628d29eca06d5ce9e46b29c36e7ff738852290e593da1c5ad3949bc83f8
[INFO] running `Command { std: "docker" "start" "-a" "bf85c628d29eca06d5ce9e46b29c36e7ff738852290e593da1c5ad3949bc83f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling webpki v0.22.4
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.1
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling hstreamdb-pb v0.2.1
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling zstd v0.12.4
[INFO] [stderr]    Compiling tonic v0.8.3
[INFO] [stderr]    Compiling hstreamdb v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::default::default`
[INFO] [stdout]  --> src/channel_provider.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::default::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `default` in `default`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::default::default;
[INFO] [stdout] 2 + use std::default::Default;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::default::default;
[INFO] [stdout] 2 + use std::default;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::default::default`
[INFO] [stdout]  --> src/producer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::default::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `default` in `default`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::default::default;
[INFO] [stdout] 2 + use std::default::Default;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module instead
[INFO] [stdout]   |
[INFO] [stdout] 2 - use std::default::default;
[INFO] [stdout] 2 + use std::default;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_free_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `default_free_fn`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_free_fn)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hstreamdb` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "bf85c628d29eca06d5ce9e46b29c36e7ff738852290e593da1c5ad3949bc83f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf85c628d29eca06d5ce9e46b29c36e7ff738852290e593da1c5ad3949bc83f8", kill_on_drop: false }`
[INFO] [stdout] bf85c628d29eca06d5ce9e46b29c36e7ff738852290e593da1c5ad3949bc83f8