[INFO] fetching crate tangram_core 0.7.0...
[INFO] testing tangram_core-0.7.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tangram_core 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tangram_core 0.7.0
[INFO] finished tweaking crates.io crate tangram_core 0.7.0
[INFO] tweaked toml for crates.io crate tangram_core 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tangram_core 0.7.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 118 packages to highest compatible versions
[INFO] [stderr]       Adding bitvec v0.19.6 (available: v1.1.1)
[INFO] [stderr]       Adding buffalo v0.1.0 (available: v0.4.1)
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.2)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.15.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.2)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.8.1)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | homepage = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 | repository = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `tangram_core` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b
[INFO] running `Command { std: "docker" "start" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | homepage = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 | repository = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `tangram_core` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling matrixmultiply v0.3.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling tangram_zip v0.7.0
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling tangram_progress_counter v0.7.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling textwrap v0.16.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling tangram_kill_chip v0.7.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling tangram_metrics v0.7.0
[INFO] [stderr]    Compiling buffalo v0.1.0
[INFO] [stderr]    Compiling tangram_table v0.7.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling tangram_finite v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling tangram_id v0.7.0
[INFO] [stderr]    Compiling tangram_text v0.7.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling tangram_features v0.7.0
[INFO] [stderr]    Compiling tangram_tree v0.7.0
[INFO] [stderr]    Compiling tangram_linear v0.7.0
[INFO] [stderr]    Compiling tangram_model v0.7.0
[INFO] [stderr]    Compiling tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:719:10
[INFO] [stdout]     |
[INFO] [stdout] 719 |                 for (mut output, features, feature_contributions) in zip!(
[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: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:760:10
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 for (mut output, features, feature_contributions) in zip!(
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:825:10
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:872:10
[INFO] [stdout]     |
[INFO] [stdout] 872 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:939:10
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:995:10
[INFO] [stdout]     |
[INFO] [stdout] 995 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `binned_features_layout` is never read
[INFO] [stdout]   --> grid.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TreeModelTrainOptions {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 66 |     pub binned_features_layout: Option<BinnedFeaturesLayout>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeModelTrainOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextColumnStatsSettings` is never constructed
[INFO] [stdout]   --> stats.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TextColumnStatsSettings {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenEntry` is never constructed
[INFO] [stdout]    --> stats.rs:493:8
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct TokenEntry(pub NGram, pub usize);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> train.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView, TableView, TableView) {
[INFO] [stdout]     |              ^^^^^      ^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |          |          |
[INFO] [stdout]     |              |          |          the same lifetime is hidden here
[INFO] [stdout]     |              |          the same lifetime is hidden here
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView<'_>, TableView<'_>, TableView<'_>) {
[INFO] [stdout]     |                                  ++++           ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.65s
[INFO] running `Command { std: "docker" "inspect" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | homepage = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 | repository = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `tangram_core` (manifest) generated 1 warning
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:719:10
[INFO] [stdout]     |
[INFO] [stdout] 719 |                 for (mut output, features, feature_contributions) in zip!(
[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: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:760:10
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 for (mut output, features, feature_contributions) in zip!(
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:825:10
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:872:10
[INFO] [stdout]     |
[INFO] [stdout] 872 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:939:10
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:995:10
[INFO] [stdout]     |
[INFO] [stdout] 995 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `binned_features_layout` is never read
[INFO] [stdout]   --> grid.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TreeModelTrainOptions {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 66 |     pub binned_features_layout: Option<BinnedFeaturesLayout>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeModelTrainOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextColumnStatsSettings` is never constructed
[INFO] [stdout]   --> stats.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TextColumnStatsSettings {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenEntry` is never constructed
[INFO] [stdout]    --> stats.rs:493:8
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct TokenEntry(pub NGram, pub usize);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> train.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView, TableView, TableView) {
[INFO] [stdout]     |              ^^^^^      ^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |          |          |
[INFO] [stdout]     |              |          |          the same lifetime is hidden here
[INFO] [stdout]     |              |          the same lifetime is hidden here
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView<'_>, TableView<'_>, TableView<'_>) {
[INFO] [stdout]     |                                  ++++           ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tangram_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:719:10
[INFO] [stdout]     |
[INFO] [stdout] 719 |                 for (mut output, features, feature_contributions) in zip!(
[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: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:760:10
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 for (mut output, features, feature_contributions) in zip!(
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:825:10
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:872:10
[INFO] [stdout]     |
[INFO] [stdout] 872 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:939:10
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> predict.rs:995:10
[INFO] [stdout]     |
[INFO] [stdout] 995 |                 for (mut output, feature_contributions) in
[INFO] [stdout]     |                      ----^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `binned_features_layout` is never read
[INFO] [stdout]   --> grid.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TreeModelTrainOptions {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 66 |     pub binned_features_layout: Option<BinnedFeaturesLayout>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeModelTrainOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TextColumnStatsSettings` is never constructed
[INFO] [stdout]   --> stats.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct TextColumnStatsSettings {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenEntry` is never constructed
[INFO] [stdout]    --> stats.rs:493:8
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct TokenEntry(pub NGram, pub usize);
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> train.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView, TableView, TableView) {
[INFO] [stdout]     |              ^^^^^      ^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |          |          |
[INFO] [stdout]     |              |          |          the same lifetime is hidden here
[INFO] [stdout]     |              |          the same lifetime is hidden here
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 570 |     fn split(&self) -> (TableView<'_>, TableView<'_>, TableView<'_>) {
[INFO] [stdout]     |                                  ++++           ++++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | homepage = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 | repository = "https://github.com/tangramdotdev/tangram"
[INFO] [stderr]    |              ------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `tangram_core` (manifest) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:719:10
[INFO] [stderr]     |
[INFO] [stderr] 719 |                 for (mut output, features, feature_contributions) in zip!(
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:760:10
[INFO] [stderr]     |
[INFO] [stderr] 760 |                 for (mut output, features, feature_contributions) in zip!(
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:825:10
[INFO] [stderr]     |
[INFO] [stderr] 825 |                 for (mut output, feature_contributions) in
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:872:10
[INFO] [stderr]     |
[INFO] [stderr] 872 |                 for (mut output, feature_contributions) in
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:939:10
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 for (mut output, feature_contributions) in
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> predict.rs:995:10
[INFO] [stderr]     |
[INFO] [stderr] 995 |                 for (mut output, feature_contributions) in
[INFO] [stderr]     |                      ----^^^^^^
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `binned_features_layout` is never read
[INFO] [stderr]   --> grid.rs:66:6
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub struct TreeModelTrainOptions {
[INFO] [stderr]    |            --------------------- field in this struct
[INFO] [stderr] 66 |     pub binned_features_layout: Option<BinnedFeaturesLayout>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TreeModelTrainOptions` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TextColumnStatsSettings` is never constructed
[INFO] [stderr]   --> stats.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct TextColumnStatsSettings {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TokenEntry` is never constructed
[INFO] [stderr]    --> stats.rs:493:8
[INFO] [stderr]     |
[INFO] [stderr] 493 | struct TokenEntry(pub NGram, pub usize);
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> train.rs:570:11
[INFO] [stderr]     |
[INFO] [stderr] 570 |     fn split(&self) -> (TableView, TableView, TableView) {
[INFO] [stderr]     |              ^^^^^      ^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |              |          |          |
[INFO] [stderr]     |              |          |          the same lifetime is hidden here
[INFO] [stderr]     |              |          the same lifetime is hidden here
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 570 |     fn split(&self) -> (TableView<'_>, TableView<'_>, TableView<'_>) {
[INFO] [stderr]     |                                  ++++           ++++           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tangram_core` (lib) generated 10 warnings (run `cargo fix --lib -p tangram_core` to apply 7 suggestions)
[INFO] [stderr] warning: `tangram_core` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/build/tangram_core/4824fac100fc06a3/out/tangram_core-4824fac100fc06a3)
[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] [stderr]    Doc-tests tangram_core
[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" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b", kill_on_drop: false }`
[INFO] [stdout] 65f8577adb469c2b2797dd55f8715fe42e752f782202b412dea347b386c99d3b
