[INFO] fetching crate sklearn-sample-datasets-rs 0.1.0...
[INFO] testing sklearn-sample-datasets-rs-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate sklearn-sample-datasets-rs 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sklearn-sample-datasets-rs 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sklearn-sample-datasets-rs 0.1.0
[INFO] finished tweaking crates.io crate sklearn-sample-datasets-rs 0.1.0
[INFO] tweaked toml for crates.io crate sklearn-sample-datasets-rs 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d74a675ea2f40a9d06753649f1ef11ef8a8f3b2bc53a01065264db811a36d587
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d74a675ea2f40a9d06753649f1ef11ef8a8f3b2bc53a01065264db811a36d587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74a675ea2f40a9d06753649f1ef11ef8a8f3b2bc53a01065264db811a36d587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74a675ea2f40a9d06753649f1ef11ef8a8f3b2bc53a01065264db811a36d587", kill_on_drop: false }`
[INFO] [stdout] d74a675ea2f40a9d06753649f1ef11ef8a8f3b2bc53a01065264db811a36d587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 094280434f700b687e4d32b30f7d2c97fff40b54604745cbb77c0f42e010979b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "094280434f700b687e4d32b30f7d2c97fff40b54604745cbb77c0f42e010979b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `CRIM`
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ZN`
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `INDUS`
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `CHAS`
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `NOX`
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RM`
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `AGE`
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `DIS`
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RAD`
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `TAX`
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `PTRATIO`
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `B`
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `LSTAT`
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `MEDV`
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_length`
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_width`
[INFO] [stdout]  --> src/iris.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_length`
[INFO] [stdout]  --> src/iris.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_width`
[INFO] [stdout]  --> src/iris.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> src/iris.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CRIM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `crim`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ZN` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `zn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `INDUS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `indus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CHAS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `chas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NOX` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `nox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `rm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AGE` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DIS` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `dis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RAD` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `rad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TAX` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `tax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PTRATIO` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `ptratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `B` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LSTAT` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `lstat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MEDV` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `medv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "094280434f700b687e4d32b30f7d2c97fff40b54604745cbb77c0f42e010979b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094280434f700b687e4d32b30f7d2c97fff40b54604745cbb77c0f42e010979b", kill_on_drop: false }`
[INFO] [stdout] 094280434f700b687e4d32b30f7d2c97fff40b54604745cbb77c0f42e010979b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8762cc13b6a38023f3c15c12abb585a6a138ce02193869fe5a016285cf07b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c8762cc13b6a38023f3c15c12abb585a6a138ce02193869fe5a016285cf07b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: field is never read: `CRIM`
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ZN`
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `INDUS`
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `CHAS`
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `NOX`
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RM`
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `AGE`
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `DIS`
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RAD`
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `TAX`
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `PTRATIO`
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `B`
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `LSTAT`
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `MEDV`
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_length`
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_width`
[INFO] [stdout]  --> src/iris.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_length`
[INFO] [stdout]  --> src/iris.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_width`
[INFO] [stdout]  --> src/iris.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> src/iris.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CRIM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `crim`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ZN` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `zn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `INDUS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `indus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CHAS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `chas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NOX` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `nox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `rm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `AGE` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DIS` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `dis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RAD` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `rad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TAX` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `tax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PTRATIO` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `ptratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `B` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LSTAT` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `lstat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MEDV` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `medv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `CRIM`
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ZN`
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `INDUS`
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `CHAS`
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `NOX`
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RM`
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `AGE`
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `DIS`
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `RAD`
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `TAX`
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `PTRATIO`
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `B`
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `LSTAT`
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `MEDV`
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_length`
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sepal_width`
[INFO] [stdout]  --> src/iris.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_length`
[INFO] [stdout]  --> src/iris.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `petal_width`
[INFO] [stdout]  --> src/iris.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target`
[INFO] [stdout]  --> src/iris.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CRIM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     CRIM: f64,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `crim`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `ZN` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ZN: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `zn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `INDUS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     INDUS: f64,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case: `indus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `CHAS` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CHAS: i32,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `chas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `NOX` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:7:2
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NOX: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `nox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RM` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:8:2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RM: f64,
[INFO] [stdout]   |     ^^ help: convert the identifier to snake case: `rm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `AGE` should have a snake case name
[INFO] [stdout]  --> src/boston.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AGE: f64,
[INFO] [stdout]   |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `DIS` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `dis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `RAD` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `rad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `TAX` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^ help: convert the identifier to snake case: `tax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `PTRATIO` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `ptratio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `B` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `LSTAT` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `lstat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `MEDV` should have a snake case name
[INFO] [stdout]   --> src/boston.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to snake case: `medv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "7c8762cc13b6a38023f3c15c12abb585a6a138ce02193869fe5a016285cf07b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8762cc13b6a38023f3c15c12abb585a6a138ce02193869fe5a016285cf07b2", kill_on_drop: false }`
[INFO] [stdout] 7c8762cc13b6a38023f3c15c12abb585a6a138ce02193869fe5a016285cf07b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f71c6e9af77267f042871fd657a670cb4f7baeebccf55c935f5cb100274148d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f71c6e9af77267f042871fd657a670cb4f7baeebccf55c935f5cb100274148d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `CRIM`
[INFO] [stderr]  --> src/boston.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     CRIM: f64,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ZN`
[INFO] [stderr]  --> src/boston.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     ZN: f64,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `INDUS`
[INFO] [stderr]  --> src/boston.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     INDUS: f64,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `CHAS`
[INFO] [stderr]  --> src/boston.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     CHAS: i32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `NOX`
[INFO] [stderr]  --> src/boston.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     NOX: f64,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `RM`
[INFO] [stderr]  --> src/boston.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     RM: f64,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `AGE`
[INFO] [stderr]  --> src/boston.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     AGE: f64,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `DIS`
[INFO] [stderr]   --> src/boston.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DIS: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `RAD`
[INFO] [stderr]   --> src/boston.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     RAD: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `TAX`
[INFO] [stderr]   --> src/boston.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     TAX: f64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `PTRATIO`
[INFO] [stderr]   --> src/boston.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     PTRATIO: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `B`
[INFO] [stderr]   --> src/boston.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     B: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `LSTAT`
[INFO] [stderr]   --> src/boston.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     LSTAT: f64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `MEDV`
[INFO] [stderr]   --> src/boston.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     MEDV: f64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sepal_length`
[INFO] [stderr]  --> src/iris.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     sepal_length: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sepal_width`
[INFO] [stderr]  --> src/iris.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     sepal_width: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `petal_length`
[INFO] [stderr]  --> src/iris.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     petal_length: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `petal_width`
[INFO] [stderr]  --> src/iris.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     petal_width: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `target`
[INFO] [stderr]  --> src/iris.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     target: i32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CRIM` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     CRIM: f64,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to snake case: `crim`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ZN` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     ZN: f64,
[INFO] [stderr]   |     ^^ help: convert the identifier to snake case: `zn`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `INDUS` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:5:2
[INFO] [stderr]   |
[INFO] [stderr] 5 |     INDUS: f64,
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `indus`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `CHAS` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:6:2
[INFO] [stderr]   |
[INFO] [stderr] 6 |     CHAS: i32,
[INFO] [stderr]   |     ^^^^ help: convert the identifier to snake case: `chas`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `NOX` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     NOX: f64,
[INFO] [stderr]   |     ^^^ help: convert the identifier to snake case: `nox`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `RM` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     RM: f64,
[INFO] [stderr]   |     ^^ help: convert the identifier to snake case: `rm`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `AGE` should have a snake case name
[INFO] [stderr]  --> src/boston.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     AGE: f64,
[INFO] [stderr]   |     ^^^ help: convert the identifier to snake case: `age`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `DIS` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     DIS: f64,
[INFO] [stderr]    |     ^^^ help: convert the identifier to snake case: `dis`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `RAD` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     RAD: i32,
[INFO] [stderr]    |     ^^^ help: convert the identifier to snake case: `rad`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `TAX` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     TAX: f64,
[INFO] [stderr]    |     ^^^ help: convert the identifier to snake case: `tax`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `PTRATIO` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     PTRATIO: f64,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `ptratio`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `B` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     B: f64,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `LSTAT` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     LSTAT: f64,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case: `lstat`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `MEDV` should have a snake case name
[INFO] [stderr]   --> src/boston.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     MEDV: f64,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `medv`
[INFO] [stderr] 
[INFO] [stderr] warning: `sklearn-sample-datasets-rs` (lib) generated 33 warnings
[INFO] [stderr] warning: `sklearn-sample-datasets-rs` (lib test) generated 33 warnings (33 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sklearn_sample_datasets_rs-e5d27ab568f2c4d5)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests sklearn-sample-datasets-rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "6f71c6e9af77267f042871fd657a670cb4f7baeebccf55c935f5cb100274148d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f71c6e9af77267f042871fd657a670cb4f7baeebccf55c935f5cb100274148d", kill_on_drop: false }`
[INFO] [stdout] 6f71c6e9af77267f042871fd657a670cb4f7baeebccf55c935f5cb100274148d