[INFO] cloning repository https://github.com/lumi-a/py-exact-clustering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lumi-a/py-exact-clustering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumi-a%2Fpy-exact-clustering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumi-a%2Fpy-exact-clustering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d11ed8e0d1c3cb79cb18e7fbfa2c16d8e0e51bdd
[INFO] checking lumi-a/py-exact-clustering against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumi-a%2Fpy-exact-clustering" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lumi-a/py-exact-clustering
[INFO] finished tweaking git repo https://github.com/lumi-a/py-exact-clustering
[INFO] tweaked toml for git repo https://github.com/lumi-a/py-exact-clustering written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lumi-a/py-exact-clustering on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lumi-a/py-exact-clustering 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab6f2244f9fdb5c542a019a139b3128d74c469ce5768523fbedbae22269032e2
[INFO] running `Command { std: "docker" "start" "-a" "ab6f2244f9fdb5c542a019a139b3128d74c469ce5768523fbedbae22269032e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab6f2244f9fdb5c542a019a139b3128d74c469ce5768523fbedbae22269032e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6f2244f9fdb5c542a019a139b3128d74c469ce5768523fbedbae22269032e2", kill_on_drop: false }`
[INFO] [stdout] ab6f2244f9fdb5c542a019a139b3128d74c469ce5768523fbedbae22269032e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b668a1f415345cc6bd7dc7a31fd779a762e70e0e50343f275dcab141868c543
[INFO] running `Command { std: "docker" "start" "-a" "8b668a1f415345cc6bd7dc7a31fd779a762e70e0e50343f275dcab141868c543", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking inventory v0.3.21
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]    Compiling pyo3-ffi v0.26.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.26.0
[INFO] [stderr]    Compiling pyo3 v0.26.0
[INFO] [stderr]    Compiling numpy v0.26.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clustering v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]    Compiling pyo3-stub-gen-derive v0.12.2
[INFO] [stderr]     Checking pathfinding v4.14.0
[INFO] [stderr]     Checking exact-clustering v0.5.0
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking pyo3-stub-gen v0.12.2
[INFO] [stderr]     Checking exact-clustering v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / unweighted!(
[INFO] [stdout] 74 | |     KMeans,
[INFO] [stdout] 75 | |     exact_clustering_rs::KMeans,
[INFO] [stdout] 76 | |     exact_clustering_rs::KMeans::new
[INFO] [stdout] 77 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / unweighted!(
[INFO] [stdout] 74 | |     KMeans,
[INFO] [stdout] 75 | |     exact_clustering_rs::KMeans,
[INFO] [stdout] 76 | |     exact_clustering_rs::KMeans::new
[INFO] [stdout] 77 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | / weighted!(
[INFO] [stdout] 79 | |     WeightedKMeans,
[INFO] [stdout] 80 | |     exact_clustering_rs::WeightedKMeans,
[INFO] [stdout] 81 | |     exact_clustering_rs::WeightedKMeans::new
[INFO] [stdout] 82 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | / weighted!(
[INFO] [stdout] 79 | |     WeightedKMeans,
[INFO] [stdout] 80 | |     exact_clustering_rs::WeightedKMeans,
[INFO] [stdout] 81 | |     exact_clustering_rs::WeightedKMeans::new
[INFO] [stdout] 82 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | / unweighted!(
[INFO] [stdout] 85 | |     KMedianL1,
[INFO] [stdout] 86 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 87 | |     exact_clustering_rs::KMedian::l1
[INFO] [stdout] 88 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | / unweighted!(
[INFO] [stdout] 85 | |     KMedianL1,
[INFO] [stdout] 86 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 87 | |     exact_clustering_rs::KMedian::l1
[INFO] [stdout] 88 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | / unweighted!(
[INFO] [stdout] 90 | |     KMedianL2,
[INFO] [stdout] 91 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 92 | |     exact_clustering_rs::KMedian::l2
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | / unweighted!(
[INFO] [stdout] 90 | |     KMedianL2,
[INFO] [stdout] 91 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 92 | |     exact_clustering_rs::KMedian::l2
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | / unweighted!(
[INFO] [stdout] 95 | |     KMedianL2Squared,
[INFO] [stdout] 96 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 97 | |     exact_clustering_rs::KMedian::l2_squared
[INFO] [stdout] 98 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exact-clustering` (lib test) due to 16 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | / unweighted!(
[INFO] [stdout] 95 | |     KMedianL2Squared,
[INFO] [stdout] 96 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 97 | |     exact_clustering_rs::KMedian::l2_squared
[INFO] [stdout] 98 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 | / weighted!(
[INFO] [stdout] 101 | |     WeightedKMedianL1,
[INFO] [stdout] 102 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 103 | |     exact_clustering_rs::KMedian::weighted_l1
[INFO] [stdout] 104 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 | / weighted!(
[INFO] [stdout] 101 | |     WeightedKMedianL1,
[INFO] [stdout] 102 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 103 | |     exact_clustering_rs::KMedian::weighted_l1
[INFO] [stdout] 104 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | / weighted!(
[INFO] [stdout] 106 | |     WeightedKMedianL2,
[INFO] [stdout] 107 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 108 | |     exact_clustering_rs::KMedian::weighted_l2
[INFO] [stdout] 109 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | / weighted!(
[INFO] [stdout] 106 | |     WeightedKMedianL2,
[INFO] [stdout] 107 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 108 | |     exact_clustering_rs::KMedian::weighted_l2
[INFO] [stdout] 109 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 | / weighted!(
[INFO] [stdout] 111 | |     WeightedKMedianL2Squared,
[INFO] [stdout] 112 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 113 | |     exact_clustering_rs::KMedian::weighted_l2_squared
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 | / weighted!(
[INFO] [stdout] 111 | |     WeightedKMedianL2Squared,
[INFO] [stdout] 112 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 113 | |     exact_clustering_rs::KMedian::weighted_l2_squared
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / unweighted!(
[INFO] [stdout] 74 | |     KMeans,
[INFO] [stdout] 75 | |     exact_clustering_rs::KMeans,
[INFO] [stdout] 76 | |     exact_clustering_rs::KMeans::new
[INFO] [stdout] 77 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 | / unweighted!(
[INFO] [stdout] 74 | |     KMeans,
[INFO] [stdout] 75 | |     exact_clustering_rs::KMeans,
[INFO] [stdout] 76 | |     exact_clustering_rs::KMeans::new
[INFO] [stdout] 77 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | / weighted!(
[INFO] [stdout] 79 | |     WeightedKMeans,
[INFO] [stdout] 80 | |     exact_clustering_rs::WeightedKMeans,
[INFO] [stdout] 81 | |     exact_clustering_rs::WeightedKMeans::new
[INFO] [stdout] 82 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 | / weighted!(
[INFO] [stdout] 79 | |     WeightedKMeans,
[INFO] [stdout] 80 | |     exact_clustering_rs::WeightedKMeans,
[INFO] [stdout] 81 | |     exact_clustering_rs::WeightedKMeans::new
[INFO] [stdout] 82 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | / unweighted!(
[INFO] [stdout] 85 | |     KMedianL1,
[INFO] [stdout] 86 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 87 | |     exact_clustering_rs::KMedian::l1
[INFO] [stdout] 88 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 | / unweighted!(
[INFO] [stdout] 85 | |     KMedianL1,
[INFO] [stdout] 86 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 87 | |     exact_clustering_rs::KMedian::l1
[INFO] [stdout] 88 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | / unweighted!(
[INFO] [stdout] 90 | |     KMedianL2,
[INFO] [stdout] 91 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 92 | |     exact_clustering_rs::KMedian::l2
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 | / unweighted!(
[INFO] [stdout] 90 | |     KMedianL2,
[INFO] [stdout] 91 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 92 | |     exact_clustering_rs::KMedian::l2
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:36:49
[INFO] [stdout]    |
[INFO] [stdout] 36 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | / unweighted!(
[INFO] [stdout] 95 | |     KMedianL2Squared,
[INFO] [stdout] 96 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 97 | |     exact_clustering_rs::KMedian::l2_squared
[INFO] [stdout] 98 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/lib.rs:40:46
[INFO] [stdout]    |
[INFO] [stdout] 40 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]    |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 | / unweighted!(
[INFO] [stdout] 95 | |     KMedianL2Squared,
[INFO] [stdout] 96 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 97 | |     exact_clustering_rs::KMedian::l2_squared
[INFO] [stdout] 98 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `unweighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 | / weighted!(
[INFO] [stdout] 101 | |     WeightedKMedianL1,
[INFO] [stdout] 102 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 103 | |     exact_clustering_rs::KMedian::weighted_l1
[INFO] [stdout] 104 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 | / weighted!(
[INFO] [stdout] 101 | |     WeightedKMedianL1,
[INFO] [stdout] 102 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 103 | |     exact_clustering_rs::KMedian::weighted_l1
[INFO] [stdout] 104 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | / weighted!(
[INFO] [stdout] 106 | |     WeightedKMedianL2,
[INFO] [stdout] 107 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 108 | |     exact_clustering_rs::KMedian::weighted_l2
[INFO] [stdout] 109 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 | / weighted!(
[INFO] [stdout] 106 | |     WeightedKMedianL2,
[INFO] [stdout] 107 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 108 | |     exact_clustering_rs::KMedian::weighted_l2
[INFO] [stdout] 109 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:62:49
[INFO] [stdout]     |
[INFO] [stdout]  62 |               fn price_of_hierarchy(&mut self) -> f64 {
[INFO] [stdout]     |                                                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 | / weighted!(
[INFO] [stdout] 111 | |     WeightedKMedianL2Squared,
[INFO] [stdout] 112 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 113 | |     exact_clustering_rs::KMedian::weighted_l2_squared
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:66:46
[INFO] [stdout]     |
[INFO] [stdout]  66 |               fn price_of_greedy(&mut self) -> f64 {
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 | / weighted!(
[INFO] [stdout] 111 | |     WeightedKMedianL2Squared,
[INFO] [stdout] 112 | |     exact_clustering_rs::KMedian,
[INFO] [stdout] 113 | |     exact_clustering_rs::KMedian::weighted_l2_squared
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `weighted` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exact-clustering` (lib) due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b668a1f415345cc6bd7dc7a31fd779a762e70e0e50343f275dcab141868c543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b668a1f415345cc6bd7dc7a31fd779a762e70e0e50343f275dcab141868c543", kill_on_drop: false }`
[INFO] [stdout] 8b668a1f415345cc6bd7dc7a31fd779a762e70e0e50343f275dcab141868c543
