[INFO] cloning repository https://github.com/pheen/fuzzy_ruby_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pheen/fuzzy_ruby_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpheen%2Ffuzzy_ruby_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpheen%2Ffuzzy_ruby_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a439496ae0666b1cee0213031a6dcc3e74662cd
[INFO] testing pheen/fuzzy_ruby_server against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpheen%2Ffuzzy_ruby_server" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pheen/fuzzy_ruby_server
[INFO] finished tweaking git repo https://github.com/pheen/fuzzy_ruby_server
[INFO] tweaked toml for git repo https://github.com/pheen/fuzzy_ruby_server written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pheen/fuzzy_ruby_server on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pheen/fuzzy_ruby_server 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-lsp-macros v0.8.0
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[INFO] [stderr]   Downloaded census v0.4.1
[INFO] [stderr]   Downloaded lib-ruby-parser-ast v0.55.0
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[INFO] [stderr]   Downloaded gimli v0.28.0
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[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded serde v1.0.192
[INFO] [stderr]   Downloaded serde_json v1.0.108
[INFO] [stderr]   Downloaded pin-project-internal v1.1.3
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[INFO] [stderr]   Downloaded lz4_flex v0.11.1
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[INFO] [stderr]   Downloaded zerocopy-derive v0.7.26
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.1
[INFO] [stderr]   Downloaded bitpacking v0.8.4
[INFO] [stderr]   Downloaded tantivy-sstable v0.2.0
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded zerocopy v0.7.26
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[INFO] [stderr]   Downloaded tokio-util v0.7.10
[INFO] [stderr]   Downloaded futures-task v0.3.29
[INFO] [stderr]   Downloaded tantivy-stacker v0.2.0
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded serde_derive v1.0.192
[INFO] [stderr]   Downloaded jobserver v0.1.27
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded futures-sink v0.3.29
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.50
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[INFO] [stderr]   Downloaded lib-ruby-parser v4.0.6+ruby-3.1.2
[INFO] [stderr]   Downloaded uuid v1.5.0
[INFO] [stderr]   Downloaded hermit-abi v0.3.3
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[INFO] [stderr]   Downloaded pin-project v1.1.3
[INFO] [stderr]   Downloaded tower-lsp v0.19.0
[INFO] [stderr]   Downloaded memchr v2.6.4
[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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8f06b34e7d0bee5f190b158e9384ba0f1661d9796191a20f1ffcb7a5c7a047a
[INFO] running `Command { std: "docker" "start" "-a" "a8f06b34e7d0bee5f190b158e9384ba0f1661d9796191a20f1ffcb7a5c7a047a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f06b34e7d0bee5f190b158e9384ba0f1661d9796191a20f1ffcb7a5c7a047a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f06b34e7d0bee5f190b158e9384ba0f1661d9796191a20f1ffcb7a5c7a047a", kill_on_drop: false }`
[INFO] [stdout] a8f06b34e7d0bee5f190b158e9384ba0f1661d9796191a20f1ffcb7a5c7a047a
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8995707ac18e8194dc385c91a635e0586aaa5119edc71f13e38887fbf0a2beec
[INFO] running `Command { std: "docker" "start" "-a" "8995707ac18e8194dc385c91a635e0586aaa5119edc71f13e38887fbf0a2beec", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling rustix v0.38.24
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling zerocopy v0.7.26
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ownedbytes v0.6.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
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[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling bitpacking v0.8.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling platforms v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling murmurhash32 v0.3.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling fastdivide v0.4.0
[INFO] [stderr]    Compiling lib-ruby-parser v4.0.6+ruby-3.1.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling tantivy-fst v0.4.0
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[INFO] [stderr]    Compiling is-terminal v0.4.9
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[INFO] [stderr]    Compiling measure_time v0.8.2
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling memmap2 v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling lru v0.11.1
[INFO] [stderr]    Compiling quit_macros v2.0.0
[INFO] [stderr]    Compiling alloc-from-pool v1.0.5
[INFO] [stderr]    Compiling tantivy-bitpacker v0.5.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling census v0.4.1
[INFO] [stderr]    Compiling lib-ruby-parser-ast v0.55.0
[INFO] [stderr]    Compiling unescape v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling oneshot v0.1.6
[INFO] [stderr]    Compiling levenshtein_automata v0.2.1
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling lz4_flex v0.11.1
[INFO] [stderr]    Compiling quit v2.0.0
[INFO] [stderr]    Compiling tantivy-query-grammar v0.21.0
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_repr v0.1.17
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling auto_impl v1.1.0
[INFO] [stderr]    Compiling tower-lsp-macros v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling psutil v3.2.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling zstd v0.12.4
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling uuid v1.5.0
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling tantivy-tokenizer-api v0.2.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.2.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling lsp-types v0.94.1
[INFO] [stderr]    Compiling tantivy-common v0.6.0
[INFO] [stderr]    Compiling tantivy-sstable v0.2.0
[INFO] [stderr]    Compiling tantivy-stacker v0.2.0
[INFO] [stderr]    Compiling tantivy-columnar v0.2.0
[INFO] [stderr]    Compiling tantivy v0.21.1
[INFO] [stderr]    Compiling tower-lsp v0.19.0
[INFO] [stderr]    Compiling fuzzy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated field `tower_lsp::lsp_types::SymbolInformation::deprecated`: Use tags instead
[INFO] [stdout]     --> src/persistence.rs:1601:17
[INFO] [stdout]      |
[INFO] [stdout] 1601 |                 deprecated: None,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `process_id` and `no_workspace` are never read
[INFO] [stdout]    --> src/persistence.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct Persistence {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 155 |     process_id: Option<u32>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 156 |     no_workspace: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:109:27
[INFO] [stdout]     |
[INFO] [stdout] 109 |         for diagnostic in change_diagnostics {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 109 -         for diagnostic in change_diagnostics {
[INFO] [stdout] 109 +         while let Ok(diagnostic) = change_diagnostics {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 109 -         for diagnostic in change_diagnostics {
[INFO] [stdout] 109 +         if let Ok(diagnostic) = change_diagnostics {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:474:21
[INFO] [stdout]     |
[INFO] [stdout] 474 | /                     self.reindex_modified_file_without_commit(
[INFO] [stdout] 475 | |                         &text,
[INFO] [stdout] 476 | |                         relative_path,
[INFO] [stdout] 477 | |                         &index_writer,
[INFO] [stdout] 478 | |                         true,
[INFO] [stdout] 479 | |                     );
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 474 |                     let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:564:25
[INFO] [stdout]     |
[INFO] [stdout] 564 | /                         self.reindex_modified_file_without_commit(
[INFO] [stdout] 565 | |                             &text,
[INFO] [stdout] 566 | |                             relative_path,
[INFO] [stdout] 567 | |                             &index_writer,
[INFO] [stdout] 568 | |                             false,
[INFO] [stdout] 569 | |                         );
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 564 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:695:25
[INFO] [stdout]     |
[INFO] [stdout] 695 | /                         self.reindex_modified_file_without_commit(
[INFO] [stdout] 696 | |                             &text,
[INFO] [stdout] 697 | |                             relative_path,
[INFO] [stdout] 698 | |                             &index_writer,
[INFO] [stdout] 699 | |                             false,
[INFO] [stdout] 700 | |                         );
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 695 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/persistence.rs:808:45
[INFO] [stdout]     |
[INFO] [stdout] 808 |                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout] 808 +                 while let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout] 808 +                 if let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:1789:35
[INFO] [stdout]      |
[INFO] [stdout] 1789 |                 for child_node in args {
[INFO] [stdout]      |                                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 1789 -                 for child_node in args {
[INFO] [stdout] 1789 +                 while let Some(child_node) = args {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 1789 -                 for child_node in args {
[INFO] [stdout] 1789 +                 if let Some(child_node) = args {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:1934:39
[INFO] [stdout]      |
[INFO] [stdout] 1934 |                     for child_node in body {
[INFO] [stdout]      |                                       ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 1934 -                     for child_node in body {
[INFO] [stdout] 1934 +                     while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 1934 -                     for child_node in body {
[INFO] [stdout] 1934 +                     if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2207:35
[INFO] [stdout]      |
[INFO] [stdout] 2207 |                 for child_node in body {
[INFO] [stdout]      |                                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2207 -                 for child_node in body {
[INFO] [stdout] 2207 +                 while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2207 -                 for child_node in body {
[INFO] [stdout] 2207 +                 if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2639:39
[INFO] [stdout]      |
[INFO] [stdout] 2639 |                     for child_node in body {
[INFO] [stdout]      |                                       ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2639 -                     for child_node in body {
[INFO] [stdout] 2639 +                     while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2639 -                     for child_node in body {
[INFO] [stdout] 2639 +                     if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2713:29
[INFO] [stdout]      |
[INFO] [stdout] 2713 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2713 -                 for node in body {
[INFO] [stdout] 2713 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2713 -                 for node in body {
[INFO] [stdout] 2713 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2719:29
[INFO] [stdout]      |
[INFO] [stdout] 2719 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2719 -                 for node in body {
[INFO] [stdout] 2719 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2719 -                 for node in body {
[INFO] [stdout] 2719 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2737:29
[INFO] [stdout]      |
[INFO] [stdout] 2737 |                 for node in options {
[INFO] [stdout]      |                             ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2737 -                 for node in options {
[INFO] [stdout] 2737 +                 while let Some(node) = options {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2737 -                 for node in options {
[INFO] [stdout] 2737 +                 if let Some(node) = options {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2748:29
[INFO] [stdout]      |
[INFO] [stdout] 2748 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2748 -                 for node in body {
[INFO] [stdout] 2748 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2748 -                 for node in body {
[INFO] [stdout] 2748 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2763:29
[INFO] [stdout]      |
[INFO] [stdout] 2763 |                 for node in exc_list {
[INFO] [stdout]      |                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2763 -                 for node in exc_list {
[INFO] [stdout] 2763 +                 while let Some(node) = exc_list {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2763 -                 for node in exc_list {
[INFO] [stdout] 2763 +                 if let Some(node) = exc_list {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2767:29
[INFO] [stdout]      |
[INFO] [stdout] 2767 |                 for node in exc_var {
[INFO] [stdout]      |                             ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2767 -                 for node in exc_var {
[INFO] [stdout] 2767 +                 while let Some(node) = exc_var {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2767 -                 for node in exc_var {
[INFO] [stdout] 2767 +                 if let Some(node) = exc_var {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2771:29
[INFO] [stdout]      |
[INFO] [stdout] 2771 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2771 -                 for node in body {
[INFO] [stdout] 2771 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2771 -                 for node in body {
[INFO] [stdout] 2771 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2806:29
[INFO] [stdout]      |
[INFO] [stdout] 2806 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2806 -                 for node in body {
[INFO] [stdout] 2806 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2806 -                 for node in body {
[INFO] [stdout] 2806 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3067:29
[INFO] [stdout]      |
[INFO] [stdout] 3067 |                 for node in value {
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3067 -                 for node in value {
[INFO] [stdout] 3067 +                 while let Some(node) = value {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3067 -                 for node in value {
[INFO] [stdout] 3067 +                 if let Some(node) = value {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3129:29
[INFO] [stdout]      |
[INFO] [stdout] 3129 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3129 -                 for node in body {
[INFO] [stdout] 3129 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3129 -                 for node in body {
[INFO] [stdout] 3129 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3144:29
[INFO] [stdout]      |
[INFO] [stdout] 3144 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3144 -                 for node in body {
[INFO] [stdout] 3144 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3144 -                 for node in body {
[INFO] [stdout] 3144 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3152:29
[INFO] [stdout]      |
[INFO] [stdout] 3152 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3152 -                 for node in body {
[INFO] [stdout] 3152 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3152 -                 for node in body {
[INFO] [stdout] 3152 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "8995707ac18e8194dc385c91a635e0586aaa5119edc71f13e38887fbf0a2beec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8995707ac18e8194dc385c91a635e0586aaa5119edc71f13e38887fbf0a2beec", kill_on_drop: false }`
[INFO] [stdout] 8995707ac18e8194dc385c91a635e0586aaa5119edc71f13e38887fbf0a2beec
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c88248570231dbd501e7c8786b3c2efc9fbf8dc676f796b7c64b6ec62c89f7cd
[INFO] running `Command { std: "docker" "start" "-a" "c88248570231dbd501e7c8786b3c2efc9fbf8dc676f796b7c64b6ec62c89f7cd", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr]    Compiling fuzzy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated field `tower_lsp::lsp_types::SymbolInformation::deprecated`: Use tags instead
[INFO] [stdout]     --> src/persistence.rs:1601:17
[INFO] [stdout]      |
[INFO] [stdout] 1601 |                 deprecated: None,
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `process_id` and `no_workspace` are never read
[INFO] [stdout]    --> src/persistence.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct Persistence {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 155 |     process_id: Option<u32>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 156 |     no_workspace: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/main.rs:109:27
[INFO] [stdout]     |
[INFO] [stdout] 109 |         for diagnostic in change_diagnostics {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 109 -         for diagnostic in change_diagnostics {
[INFO] [stdout] 109 +         while let Ok(diagnostic) = change_diagnostics {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 109 -         for diagnostic in change_diagnostics {
[INFO] [stdout] 109 +         if let Ok(diagnostic) = change_diagnostics {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:474:21
[INFO] [stdout]     |
[INFO] [stdout] 474 | /                     self.reindex_modified_file_without_commit(
[INFO] [stdout] 475 | |                         &text,
[INFO] [stdout] 476 | |                         relative_path,
[INFO] [stdout] 477 | |                         &index_writer,
[INFO] [stdout] 478 | |                         true,
[INFO] [stdout] 479 | |                     );
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 474 |                     let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:564:25
[INFO] [stdout]     |
[INFO] [stdout] 564 | /                         self.reindex_modified_file_without_commit(
[INFO] [stdout] 565 | |                             &text,
[INFO] [stdout] 566 | |                             relative_path,
[INFO] [stdout] 567 | |                             &index_writer,
[INFO] [stdout] 568 | |                             false,
[INFO] [stdout] 569 | |                         );
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 564 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/persistence.rs:695:25
[INFO] [stdout]     |
[INFO] [stdout] 695 | /                         self.reindex_modified_file_without_commit(
[INFO] [stdout] 696 | |                             &text,
[INFO] [stdout] 697 | |                             relative_path,
[INFO] [stdout] 698 | |                             &index_writer,
[INFO] [stdout] 699 | |                             false,
[INFO] [stdout] 700 | |                         );
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 695 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/persistence.rs:808:45
[INFO] [stdout]     |
[INFO] [stdout] 808 |                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout] 808 +                 while let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stdout] 808 +                 if let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:1789:35
[INFO] [stdout]      |
[INFO] [stdout] 1789 |                 for child_node in args {
[INFO] [stdout]      |                                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 1789 -                 for child_node in args {
[INFO] [stdout] 1789 +                 while let Some(child_node) = args {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 1789 -                 for child_node in args {
[INFO] [stdout] 1789 +                 if let Some(child_node) = args {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:1934:39
[INFO] [stdout]      |
[INFO] [stdout] 1934 |                     for child_node in body {
[INFO] [stdout]      |                                       ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 1934 -                     for child_node in body {
[INFO] [stdout] 1934 +                     while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 1934 -                     for child_node in body {
[INFO] [stdout] 1934 +                     if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2207:35
[INFO] [stdout]      |
[INFO] [stdout] 2207 |                 for child_node in body {
[INFO] [stdout]      |                                   ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2207 -                 for child_node in body {
[INFO] [stdout] 2207 +                 while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2207 -                 for child_node in body {
[INFO] [stdout] 2207 +                 if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2639:39
[INFO] [stdout]      |
[INFO] [stdout] 2639 |                     for child_node in body {
[INFO] [stdout]      |                                       ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2639 -                     for child_node in body {
[INFO] [stdout] 2639 +                     while let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2639 -                     for child_node in body {
[INFO] [stdout] 2639 +                     if let Some(child_node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2713:29
[INFO] [stdout]      |
[INFO] [stdout] 2713 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2713 -                 for node in body {
[INFO] [stdout] 2713 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2713 -                 for node in body {
[INFO] [stdout] 2713 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2719:29
[INFO] [stdout]      |
[INFO] [stdout] 2719 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2719 -                 for node in body {
[INFO] [stdout] 2719 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2719 -                 for node in body {
[INFO] [stdout] 2719 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2737:29
[INFO] [stdout]      |
[INFO] [stdout] 2737 |                 for node in options {
[INFO] [stdout]      |                             ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2737 -                 for node in options {
[INFO] [stdout] 2737 +                 while let Some(node) = options {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2737 -                 for node in options {
[INFO] [stdout] 2737 +                 if let Some(node) = options {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2748:29
[INFO] [stdout]      |
[INFO] [stdout] 2748 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2748 -                 for node in body {
[INFO] [stdout] 2748 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2748 -                 for node in body {
[INFO] [stdout] 2748 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2763:29
[INFO] [stdout]      |
[INFO] [stdout] 2763 |                 for node in exc_list {
[INFO] [stdout]      |                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2763 -                 for node in exc_list {
[INFO] [stdout] 2763 +                 while let Some(node) = exc_list {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2763 -                 for node in exc_list {
[INFO] [stdout] 2763 +                 if let Some(node) = exc_list {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2767:29
[INFO] [stdout]      |
[INFO] [stdout] 2767 |                 for node in exc_var {
[INFO] [stdout]      |                             ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2767 -                 for node in exc_var {
[INFO] [stdout] 2767 +                 while let Some(node) = exc_var {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2767 -                 for node in exc_var {
[INFO] [stdout] 2767 +                 if let Some(node) = exc_var {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2771:29
[INFO] [stdout]      |
[INFO] [stdout] 2771 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2771 -                 for node in body {
[INFO] [stdout] 2771 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2771 -                 for node in body {
[INFO] [stdout] 2771 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:2806:29
[INFO] [stdout]      |
[INFO] [stdout] 2806 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 2806 -                 for node in body {
[INFO] [stdout] 2806 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 2806 -                 for node in body {
[INFO] [stdout] 2806 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3067:29
[INFO] [stdout]      |
[INFO] [stdout] 3067 |                 for node in value {
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3067 -                 for node in value {
[INFO] [stdout] 3067 +                 while let Some(node) = value {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3067 -                 for node in value {
[INFO] [stdout] 3067 +                 if let Some(node) = value {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3129:29
[INFO] [stdout]      |
[INFO] [stdout] 3129 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3129 -                 for node in body {
[INFO] [stdout] 3129 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3129 -                 for node in body {
[INFO] [stdout] 3129 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3144:29
[INFO] [stdout]      |
[INFO] [stdout] 3144 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3144 -                 for node in body {
[INFO] [stdout] 3144 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3144 -                 for node in body {
[INFO] [stdout] 3144 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]     --> src/persistence.rs:3152:29
[INFO] [stdout]      |
[INFO] [stdout] 3152 |                 for node in body {
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout]      |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]      |
[INFO] [stdout] 3152 -                 for node in body {
[INFO] [stdout] 3152 +                 while let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]      |
[INFO] [stdout] 3152 -                 for node in body {
[INFO] [stdout] 3152 +                 if let Some(node) = body {
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "c88248570231dbd501e7c8786b3c2efc9fbf8dc676f796b7c64b6ec62c89f7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88248570231dbd501e7c8786b3c2efc9fbf8dc676f796b7c64b6ec62c89f7cd", kill_on_drop: false }`
[INFO] [stdout] c88248570231dbd501e7c8786b3c2efc9fbf8dc676f796b7c64b6ec62c89f7cd
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33037fc55f7228567f66b5a49d85a180808db03ec2b503763be2d0282355af93
[INFO] running `Command { std: "docker" "start" "-a" "33037fc55f7228567f66b5a49d85a180808db03ec2b503763be2d0282355af93", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] warning: unused manifest key: target.x86_64-unknown-linux-gnu.linker
[INFO] [stderr] warning: use of deprecated field `tower_lsp::lsp_types::SymbolInformation::deprecated`: Use tags instead
[INFO] [stderr]     --> src/persistence.rs:1601:17
[INFO] [stderr]      |
[INFO] [stderr] 1601 |                 deprecated: None,
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `process_id` and `no_workspace` are never read
[INFO] [stderr]    --> src/persistence.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub struct Persistence {
[INFO] [stderr]     |            ----------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 155 |     process_id: Option<u32>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 156 |     no_workspace: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:109:27
[INFO] [stderr]     |
[INFO] [stderr] 109 |         for diagnostic in change_diagnostics {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 109 -         for diagnostic in change_diagnostics {
[INFO] [stderr] 109 +         while let Ok(diagnostic) = change_diagnostics {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 109 -         for diagnostic in change_diagnostics {
[INFO] [stderr] 109 +         if let Ok(diagnostic) = change_diagnostics {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/persistence.rs:474:21
[INFO] [stderr]     |
[INFO] [stderr] 474 | /                     self.reindex_modified_file_without_commit(
[INFO] [stderr] 475 | |                         &text,
[INFO] [stderr] 476 | |                         relative_path,
[INFO] [stderr] 477 | |                         &index_writer,
[INFO] [stderr] 478 | |                         true,
[INFO] [stderr] 479 | |                     );
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 474 |                     let _ = self.reindex_modified_file_without_commit(
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/persistence.rs:564:25
[INFO] [stderr]     |
[INFO] [stderr] 564 | /                         self.reindex_modified_file_without_commit(
[INFO] [stderr] 565 | |                             &text,
[INFO] [stderr] 566 | |                             relative_path,
[INFO] [stderr] 567 | |                             &index_writer,
[INFO] [stderr] 568 | |                             false,
[INFO] [stderr] 569 | |                         );
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 564 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/persistence.rs:695:25
[INFO] [stderr]     |
[INFO] [stderr] 695 | /                         self.reindex_modified_file_without_commit(
[INFO] [stderr] 696 | |                             &text,
[INFO] [stderr] 697 | |                             relative_path,
[INFO] [stderr] 698 | |                             &index_writer,
[INFO] [stderr] 699 | |                             false,
[INFO] [stderr] 700 | |                         );
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 695 |                         let _ = self.reindex_modified_file_without_commit(
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/persistence.rs:808:45
[INFO] [stderr]     |
[INFO] [stderr] 808 |                 for unwrapped_diagnostic in diagnostic {
[INFO] [stderr]     |                                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stderr] 808 +                 while let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 808 -                 for unwrapped_diagnostic in diagnostic {
[INFO] [stderr] 808 +                 if let Some(unwrapped_diagnostic) = diagnostic {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:1789:35
[INFO] [stderr]      |
[INFO] [stderr] 1789 |                 for child_node in args {
[INFO] [stderr]      |                                   ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 1789 -                 for child_node in args {
[INFO] [stderr] 1789 +                 while let Some(child_node) = args {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 1789 -                 for child_node in args {
[INFO] [stderr] 1789 +                 if let Some(child_node) = args {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:1934:39
[INFO] [stderr]      |
[INFO] [stderr] 1934 |                     for child_node in body {
[INFO] [stderr]      |                                       ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 1934 -                     for child_node in body {
[INFO] [stderr] 1934 +                     while let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 1934 -                     for child_node in body {
[INFO] [stderr] 1934 +                     if let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2207:35
[INFO] [stderr]      |
[INFO] [stderr] 2207 |                 for child_node in body {
[INFO] [stderr]      |                                   ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2207 -                 for child_node in body {
[INFO] [stderr] 2207 +                 while let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2207 -                 for child_node in body {
[INFO] [stderr] 2207 +                 if let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2639:39
[INFO] [stderr]      |
[INFO] [stderr] 2639 |                     for child_node in body {
[INFO] [stderr]      |                                       ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2639 -                     for child_node in body {
[INFO] [stderr] 2639 +                     while let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2639 -                     for child_node in body {
[INFO] [stderr] 2639 +                     if let Some(child_node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2713:29
[INFO] [stderr]      |
[INFO] [stderr] 2713 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2713 -                 for node in body {
[INFO] [stderr] 2713 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2713 -                 for node in body {
[INFO] [stderr] 2713 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2719:29
[INFO] [stderr]      |
[INFO] [stderr] 2719 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2719 -                 for node in body {
[INFO] [stderr] 2719 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2719 -                 for node in body {
[INFO] [stderr] 2719 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2737:29
[INFO] [stderr]      |
[INFO] [stderr] 2737 |                 for node in options {
[INFO] [stderr]      |                             ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2737 -                 for node in options {
[INFO] [stderr] 2737 +                 while let Some(node) = options {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2737 -                 for node in options {
[INFO] [stderr] 2737 +                 if let Some(node) = options {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2748:29
[INFO] [stderr]      |
[INFO] [stderr] 2748 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2748 -                 for node in body {
[INFO] [stderr] 2748 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2748 -                 for node in body {
[INFO] [stderr] 2748 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2763:29
[INFO] [stderr]      |
[INFO] [stderr] 2763 |                 for node in exc_list {
[INFO] [stderr]      |                             ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2763 -                 for node in exc_list {
[INFO] [stderr] 2763 +                 while let Some(node) = exc_list {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2763 -                 for node in exc_list {
[INFO] [stderr] 2763 +                 if let Some(node) = exc_list {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2767:29
[INFO] [stderr]      |
[INFO] [stderr] 2767 |                 for node in exc_var {
[INFO] [stderr]      |                             ^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2767 -                 for node in exc_var {
[INFO] [stderr] 2767 +                 while let Some(node) = exc_var {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2767 -                 for node in exc_var {
[INFO] [stderr] 2767 +                 if let Some(node) = exc_var {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2771:29
[INFO] [stderr]      |
[INFO] [stderr] 2771 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2771 -                 for node in body {
[INFO] [stderr] 2771 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2771 -                 for node in body {
[INFO] [stderr] 2771 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:2806:29
[INFO] [stderr]      |
[INFO] [stderr] 2806 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 2806 -                 for node in body {
[INFO] [stderr] 2806 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 2806 -                 for node in body {
[INFO] [stderr] 2806 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:3067:29
[INFO] [stderr]      |
[INFO] [stderr] 3067 |                 for node in value {
[INFO] [stderr]      |                             ^^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 3067 -                 for node in value {
[INFO] [stderr] 3067 +                 while let Some(node) = value {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 3067 -                 for node in value {
[INFO] [stderr] 3067 +                 if let Some(node) = value {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:3129:29
[INFO] [stderr]      |
[INFO] [stderr] 3129 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 3129 -                 for node in body {
[INFO] [stderr] 3129 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 3129 -                 for node in body {
[INFO] [stderr] 3129 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:3144:29
[INFO] [stderr]      |
[INFO] [stderr] 3144 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 3144 -                 for node in body {
[INFO] [stderr] 3144 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 3144 -                 for node in body {
[INFO] [stderr] 3144 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]     --> src/persistence.rs:3152:29
[INFO] [stderr]      |
[INFO] [stderr] 3152 |                 for node in body {
[INFO] [stderr]      |                             ^^^^
[INFO] [stderr]      |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]      |
[INFO] [stderr] 3152 -                 for node in body {
[INFO] [stderr] 3152 +                 while let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]      |
[INFO] [stderr] 3152 -                 for node in body {
[INFO] [stderr] 3152 +                 if let Some(node) = body {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `fuzzy` (bin "fuzzy" test) generated 23 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fuzzy-dbe5c4fc00b2bf2e)
[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" "33037fc55f7228567f66b5a49d85a180808db03ec2b503763be2d0282355af93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33037fc55f7228567f66b5a49d85a180808db03ec2b503763be2d0282355af93", kill_on_drop: false }`
[INFO] [stdout] 33037fc55f7228567f66b5a49d85a180808db03ec2b503763be2d0282355af93
