[INFO] cloning repository https://github.com/michaelrauh/fold
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelrauh/fold" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Ffold", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Ffold'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a015214f9775049cb50f8f6260c85ea3aadb346
[INFO] checking michaelrauh/fold against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelrauh%2Ffold" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/michaelrauh/fold
[INFO] finished tweaking git repo https://github.com/michaelrauh/fold
[INFO] tweaked toml for git repo https://github.com/michaelrauh/fold written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/michaelrauh/fold on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/michaelrauh/fold 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c24abee7b299ece3a8fa62649e7ac286543a2fda91d65b13e1baf402acd4df
[INFO] running `Command { std: "docker" "start" "-a" "01c24abee7b299ece3a8fa62649e7ac286543a2fda91d65b13e1baf402acd4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c24abee7b299ece3a8fa62649e7ac286543a2fda91d65b13e1baf402acd4df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c24abee7b299ece3a8fa62649e7ac286543a2fda91d65b13e1baf402acd4df", kill_on_drop: false }`
[INFO] [stdout] 01c24abee7b299ece3a8fa62649e7ac286543a2fda91d65b13e1baf402acd4df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b018e68b248f549dcb044cf4a484bcbbabcbade5e6da9531efab9c3ff7ae63a6
[INFO] running `Command { std: "docker" "start" "-a" "b018e68b248f549dcb044cf4a484bcbbabcbade5e6da9531efab9c3ff7ae63a6", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling aws-lc-rs v1.13.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustls v0.23.30
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking aws-smithy-xml v0.60.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking rfc6979 v0.3.1
[INFO] [stderr]     Checking postgres-protocol v0.6.8
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking whoami v1.6.0
[INFO] [stderr]     Checking ecdsa v0.14.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking postgres-types v0.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking p256 v0.11.1
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking input_buffer v0.5.0
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling aws-lc-sys v0.30.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking crc-fast v1.3.0
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking opentelemetry v0.29.1
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking clap v4.5.42
[INFO] [stderr]    Compiling pest_meta v2.8.1
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking aws-smithy-async v1.2.5
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking bb8 v0.9.0
[INFO] [stderr]     Checking aws-smithy-types v1.3.2
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]    Compiling pest_generator v2.8.1
[INFO] [stderr]     Checking tokio-postgres v0.7.13
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking tonic v0.12.3
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]     Checking postgres v0.19.10
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]    Compiling pest_derive v2.8.1
[INFO] [stderr]     Checking aws-smithy-runtime-api v1.8.5
[INFO] [stderr]     Checking aws-smithy-eventstream v0.60.10
[INFO] [stderr]     Checking aws-smithy-json v0.61.4
[INFO] [stderr]     Checking aws-smithy-query v0.60.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking aws-smithy-http v0.62.2
[INFO] [stderr]     Checking aws-credential-types v1.2.4
[INFO] [stderr]     Checking aws-smithy-observability v0.1.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking aws-sigv4 v1.3.3
[INFO] [stderr]     Checking aws-smithy-checksums v0.63.5
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking opentelemetry_sdk v0.29.0
[INFO] [stderr]     Checking amq-protocol-types v1.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]     Checking opentelemetry-proto v0.29.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.30.0
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling amiquip v0.4.2
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.22
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]     Checking opentelemetry-http v0.29.0
[INFO] [stderr]     Checking opentelemetry-otlp v0.29.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking rustls-webpki v0.103.4
[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking aws-smithy-http-client v1.0.6
[INFO] [stderr]     Checking aws-smithy-runtime v1.8.5
[INFO] [stderr]     Checking aws-runtime v1.5.9
[INFO] [stderr]     Checking aws-sdk-ssooidc v1.79.0
[INFO] [stderr]     Checking aws-sdk-sts v1.80.0
[INFO] [stderr]     Checking aws-sdk-sso v1.78.0
[INFO] [stderr]     Checking aws-sdk-s3 v1.100.0
[INFO] [stderr]     Checking aws-config v1.8.3
[INFO] [stderr]     Checking fold v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interner.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let mut interner = Interner {
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]    --> src/interner.rs:218:63
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     if first { /* intersection stays empty */ first = false; }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interner.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let mut interner = Interner {
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first` is never read
[INFO] [stdout]    --> src/interner.rs:218:63
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     if first { /* intersection stays empty */ first = false; }
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index_to_location` is never read
[INFO] [stdout]   --> src/spatial.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct DimMeta {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     index_to_location: FxHashMap<usize, Vec<usize>>, // index -> location coord
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cumulative_bumped` is assigned to, but never used
[INFO] [stdout]   --> src/bin/follower.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut cumulative_bumped: usize = 0; // retained if needed elsewhere
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cumulative_bumped` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cumulative_bumped` is never read
[INFO] [stdout]   --> src/bin/follower.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     cumulative_bumped += bumped;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cumulative_bumped` is assigned to, but never used
[INFO] [stdout]   --> src/bin/follower.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut cumulative_bumped: usize = 0; // retained if needed elsewhere
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_cumulative_bumped` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cumulative_bumped` is never read
[INFO] [stdout]   --> src/bin/follower.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                     cumulative_bumped += bumped;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index_to_location` is never read
[INFO] [stdout]   --> src/spatial.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct DimMeta {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     index_to_location: FxHashMap<usize, Vec<usize>>, // index -> location coord
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "b018e68b248f549dcb044cf4a484bcbbabcbade5e6da9531efab9c3ff7ae63a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b018e68b248f549dcb044cf4a484bcbbabcbade5e6da9531efab9c3ff7ae63a6", kill_on_drop: false }`
[INFO] [stdout] b018e68b248f549dcb044cf4a484bcbbabcbade5e6da9531efab9c3ff7ae63a6
