[INFO] fetching crate matrix-ui-serializable 0.1.0...
[INFO] checking matrix-ui-serializable-0.1.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate matrix-ui-serializable 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate matrix-ui-serializable 0.1.0
[INFO] finished tweaking crates.io crate matrix-ui-serializable 0.1.0
[INFO] tweaked toml for crates.io crate matrix-ui-serializable 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix-ui-serializable 0.1.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matrix-ui-serializable 0.1.0 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma v0.12.6
[INFO] [stderr]   Downloaded ruma-macros v0.15.2
[INFO] [stderr]   Downloaded ruma-federation-api v0.11.2
[INFO] [stderr]   Downloaded pastey v0.1.0
[INFO] [stderr]   Downloaded serde_html_form v0.2.7
[INFO] [stderr]   Downloaded ruma-html v0.4.1
[INFO] [stderr]   Downloaded async_cell v0.2.3
[INFO] [stderr]   Downloaded async-rx v0.1.3
[INFO] [stderr]   Downloaded eyeball-im-util v0.9.0
[INFO] [stderr]   Downloaded deadpool-sqlite v0.11.0
[INFO] [stderr]   Downloaded matrix-sdk-store-encryption v0.13.0
[INFO] [stderr]   Downloaded htmlize v1.0.6
[INFO] [stderr]   Downloaded matrix-sdk-sqlite v0.13.0
[INFO] [stderr]   Downloaded matrix-sdk-indexeddb v0.13.0
[INFO] [stderr]   Downloaded emojis v0.6.4
[INFO] [stderr]   Downloaded async-compression v0.4.27
[INFO] [stderr]   Downloaded ruma-client-api v0.20.4
[INFO] [stderr]   Downloaded cc v1.2.31
[INFO] [stderr]   Downloaded ruma-events v0.30.5
[INFO] [stderr]   Downloaded imbl v5.0.0
[INFO] [stderr]   Downloaded matrix-sdk-common v0.13.0
[INFO] [stderr]   Downloaded matrix-sdk-base v0.13.0
[INFO] [stderr]   Downloaded ruma-common v0.15.4
[INFO] [stderr]   Downloaded oauth2 v5.0.0
[INFO] [stderr]   Downloaded matrix-sdk-ui v0.13.0
[INFO] [stderr]   Downloaded typewit v1.12.1
[INFO] [stderr]   Downloaded decancer v3.3.3
[INFO] [stderr]   Downloaded const_panic v0.2.13
[INFO] [stderr]   Downloaded date_header v1.0.5
[INFO] [stderr]   Downloaded bytesize v2.0.1
[INFO] [stderr]   Downloaded indexed_db_futures v0.5.0
[INFO] [stderr]   Downloaded growable-bloom-filter v2.1.1
[INFO] [stderr]   Downloaded eyeball-im v0.7.0
[INFO] [stderr]   Downloaded readlock-tokio v0.1.4
[INFO] [stderr]   Downloaded matrix-sdk-crypto v0.13.0
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.10.1
[INFO] [stderr]   Downloaded matrix-sdk v0.13.0
[INFO] [stderr]   Downloaded vodozemac v0.9.0
[INFO] [stderr]   Downloaded aquamarine v0.6.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdd76fea4e7e7d4cb2b2feb60cfbad218b3cdc347e26e7530c5f75f287b5084b
[INFO] running `Command { std: "docker" "start" "-a" "fdd76fea4e7e7d4cb2b2feb60cfbad218b3cdc347e26e7530c5f75f287b5084b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd76fea4e7e7d4cb2b2feb60cfbad218b3cdc347e26e7530c5f75f287b5084b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd76fea4e7e7d4cb2b2feb60cfbad218b3cdc347e26e7530c5f75f287b5084b", kill_on_drop: false }`
[INFO] [stdout] fdd76fea4e7e7d4cb2b2feb60cfbad218b3cdc347e26e7530c5f75f287b5084b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03b184d3421f9e99b7ad90ceb6596990a872ee79934c3d52810f184ec0f8e858
[INFO] running `Command { std: "docker" "start" "-a" "03b184d3421f9e99b7ad90ceb6596990a872ee79934c3d52810f184ec0f8e858", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling markup5ever v0.14.1
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling js_int v0.2.2
[INFO] [stderr]     Checking typewit v1.12.1
[INFO] [stderr]    Compiling ruma-common v0.15.4
[INFO] [stderr]     Checking as_variant v1.3.0
[INFO] [stderr]     Checking wildmatch v2.4.0
[INFO] [stderr]     Checking konst_kernel v0.3.15
[INFO] [stderr]     Checking const_panic v0.2.13
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking konst v0.3.16
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ruma-events v0.30.5
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking archery v1.2.1
[INFO] [stderr]    Compiling ruma-client-api v0.20.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking imbl-sized-chunks v0.1.3
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling rustls v0.23.31
[INFO] [stderr]     Checking date_header v1.0.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.33.0
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling matrix-sdk-common v0.13.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking readlock v0.1.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]    Compiling decancer v3.3.3
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking ulid v1.2.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling pastey v0.1.0
[INFO] [stderr]    Compiling matrix-sdk v0.13.0
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking mime2ext v0.1.54
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]    Compiling htmlize v1.0.6
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking async-rx v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling match_token v0.1.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.10.1
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking readlock-tokio v0.1.4
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking webpki-roots v1.0.2
[INFO] [stderr]     Checking eyeball v0.8.8
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling aquamarine v0.6.0
[INFO] [stderr]     Checking deadpool v0.12.2
[INFO] [stderr]     Checking deadpool-sync v0.1.4
[INFO] [stderr]     Checking async-compression v0.4.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking backon v1.5.2
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking js_option v0.1.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking imbl v5.0.0
[INFO] [stderr]     Checking serde_html_form v0.2.7
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking html5ever v0.29.1
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking matrix-sdk-store-encryption v0.13.0
[INFO] [stderr]     Checking ruma-html v0.4.1
[INFO] [stderr]     Checking eyeball-im v0.7.0
[INFO] [stderr]     Checking growable-bloom-filter v2.1.1
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking eyeball-im-util v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking emojis v0.6.4
[INFO] [stderr]     Checking async_cell v0.2.3
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking linkify v0.10.0
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]     Checking rusqlite v0.35.0
[INFO] [stderr]     Checking rangemap v1.6.0
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]    Compiling ruma-macros v0.15.2
[INFO] [stderr]    Compiling matrix-pickle-derive v0.2.1
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking deadpool-sqlite v0.11.0
[INFO] [stderr]     Checking matrix-pickle v0.2.1
[INFO] [stderr]     Checking vodozemac v0.9.0
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]     Checking oauth2 v5.0.0
[INFO] [stderr]     Checking ruma v0.12.6
[INFO] [stderr]     Checking matrix-sdk-crypto v0.13.0
[INFO] [stderr]     Checking matrix-sdk-base v0.13.0
[INFO] [stderr]     Checking matrix-sdk-sqlite v0.13.0
[INFO] [stderr]     Checking matrix-sdk-ui v0.13.0
[INFO] [stderr]     Checking matrix-ui-serializable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `EMPTY_TAGS` is never used
[INFO] [stdout]   --> src/room/room_filter.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | static EMPTY_TAGS: Tags = BTreeMap::new();
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SortFn` is never used
[INFO] [stdout]   --> src/room/room_filter.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub type SortFn = dyn Fn(&(dyn FilterableRoom + Send + Sync), &(dyn FilterableRoom + Send + Sync)) -> Ordering
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoomDisplayFilterBuilder` is never constructed
[INFO] [stdout]    --> src/room/room_filter.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct RoomDisplayFilterBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/room/room_filter.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | impl RoomDisplayFilterBuilder {
[INFO] [stdout]     | ----------------------------- associated function in this implementation
[INFO] [stdout] 179 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]  --> src/room/tags.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl FrontendRoomTags {
[INFO] [stdout]   | --------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn inner(&self) -> &Tags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `EMPTY_TAGS` is never used
[INFO] [stdout]   --> src/room/room_filter.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | static EMPTY_TAGS: Tags = BTreeMap::new();
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SortFn` is never used
[INFO] [stdout]   --> src/room/room_filter.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub type SortFn = dyn Fn(&(dyn FilterableRoom + Send + Sync), &(dyn FilterableRoom + Send + Sync)) -> Ordering
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RoomDisplayFilterBuilder` is never constructed
[INFO] [stdout]    --> src/room/room_filter.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct RoomDisplayFilterBuilder {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/room/room_filter.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | impl RoomDisplayFilterBuilder {
[INFO] [stdout]     | ----------------------------- associated function in this implementation
[INFO] [stdout] 179 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]  --> src/room/tags.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl FrontendRoomTags {
[INFO] [stdout]   | --------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn inner(&self) -> &Tags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] running `Command { std: "docker" "inspect" "03b184d3421f9e99b7ad90ceb6596990a872ee79934c3d52810f184ec0f8e858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b184d3421f9e99b7ad90ceb6596990a872ee79934c3d52810f184ec0f8e858", kill_on_drop: false }`
[INFO] [stdout] 03b184d3421f9e99b7ad90ceb6596990a872ee79934c3d52810f184ec0f8e858