[INFO] fetching crate sklearn-sample-datasets-rs 0.1.0...
[INFO] testing sklearn-sample-datasets-rs-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sklearn-sample-datasets-rs 0.1.0 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklearn-sample-datasets-rs 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1480059a94a8f2b595dc642b36a76f6735abc39eda7709193fe9cbd046d7b2a4
[INFO] running `Command { std: "docker" "start" "-a" "1480059a94a8f2b595dc642b36a76f6735abc39eda7709193fe9cbd046d7b2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1480059a94a8f2b595dc642b36a76f6735abc39eda7709193fe9cbd046d7b2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1480059a94a8f2b595dc642b36a76f6735abc39eda7709193fe9cbd046d7b2a4", kill_on_drop: false }`
[INFO] [stdout] 1480059a94a8f2b595dc642b36a76f6735abc39eda7709193fe9cbd046d7b2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714b9500d3990a243aad4a1dbf9de13140ef9ca071bffc5b5be375b7bf9ba0c5
[INFO] running `Command { std: "docker" "start" "-a" "714b9500d3990a243aad4a1dbf9de13140ef9ca071bffc5b5be375b7bf9ba0c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/boston.rs:3:2
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub struct Data {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  3 |     CRIM: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  4 |     ZN: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  5 |     INDUS: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  6 |     CHAS: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     NOX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  8 |     RM: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  9 |     AGE: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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: fields `sepal_length`, `sepal_width`, `petal_length`, `petal_width`, and `target` are never read
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Data {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Data` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "714b9500d3990a243aad4a1dbf9de13140ef9ca071bffc5b5be375b7bf9ba0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714b9500d3990a243aad4a1dbf9de13140ef9ca071bffc5b5be375b7bf9ba0c5", kill_on_drop: false }`
[INFO] [stdout] 714b9500d3990a243aad4a1dbf9de13140ef9ca071bffc5b5be375b7bf9ba0c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e53365ca21acced4f4413ed5cae060f619837b85041d0daea0f683c049e89d9
[INFO] running `Command { std: "docker" "start" "-a" "0e53365ca21acced4f4413ed5cae060f619837b85041d0daea0f683c049e89d9", kill_on_drop: false }`
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/boston.rs:3:2
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub struct Data {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  3 |     CRIM: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  4 |     ZN: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  5 |     INDUS: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  6 |     CHAS: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     NOX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  8 |     RM: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  9 |     AGE: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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: fields `sepal_length`, `sepal_width`, `petal_length`, `petal_width`, and `target` are never read
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Data {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Data` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]    Compiling sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[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: multiple fields are never read
[INFO] [stdout]   --> src/boston.rs:3:2
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub struct Data {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  3 |     CRIM: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  4 |     ZN: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  5 |     INDUS: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  6 |     CHAS: i32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     NOX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  8 |     RM: f64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  9 |     AGE: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     DIS: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 11 |     RAD: i32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 12 |     TAX: f64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     PTRATIO: f64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     B: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     LSTAT: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     MEDV: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Data` 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: fields `sepal_length`, `sepal_width`, `petal_length`, `petal_width`, and `target` are never read
[INFO] [stdout]  --> src/iris.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Data {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     sepal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 4 |     sepal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     petal_length: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     petal_width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 7 |     target: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Data` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` (part of `#[warn(nonstandard_style)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "0e53365ca21acced4f4413ed5cae060f619837b85041d0daea0f683c049e89d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e53365ca21acced4f4413ed5cae060f619837b85041d0daea0f683c049e89d9", kill_on_drop: false }`
[INFO] [stdout] 0e53365ca21acced4f4413ed5cae060f619837b85041d0daea0f683c049e89d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b6643a4ada530e29826bd4ab88ab193773388c9bba0749b8ec5f0cb908dfcfe
[INFO] running `Command { std: "docker" "start" "-a" "0b6643a4ada530e29826bd4ab88ab193773388c9bba0749b8ec5f0cb908dfcfe", kill_on_drop: false }`
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/boston.rs:3:2
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub struct Data {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr]  3 |     CRIM: f64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  4 |     ZN: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr]  5 |     INDUS: f64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  6 |     CHAS: i32,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  7 |     NOX: f64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]  8 |     RM: f64,
[INFO] [stderr]    |     ^^
[INFO] [stderr]  9 |     AGE: f64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 10 |     DIS: f64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 11 |     RAD: i32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 12 |     TAX: f64,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 13 |     PTRATIO: f64,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 14 |     B: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 15 |     LSTAT: f64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 16 |     MEDV: f64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Data` 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: fields `sepal_length`, `sepal_width`, `petal_length`, `petal_width`, and `target` are never read
[INFO] [stderr]  --> src/iris.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Data {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 3 |     sepal_length: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 4 |     sepal_width: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 5 |     petal_length: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 6 |     petal_width: f64,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 7 |     target: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Data` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[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)]` (part of `#[warn(nonstandard_style)]`) 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 16 warnings
[INFO] [stderr] warning: `sklearn-sample-datasets-rs` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sklearn_sample_datasets_rs-a87c067eeeb819ad)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests sklearn_sample_datasets_rs
[INFO] [stdout] test tests::it_works ... ok
[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" "0b6643a4ada530e29826bd4ab88ab193773388c9bba0749b8ec5f0cb908dfcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6643a4ada530e29826bd4ab88ab193773388c9bba0749b8ec5f0cb908dfcfe", kill_on_drop: false }`
[INFO] [stdout] 0b6643a4ada530e29826bd4ab88ab193773388c9bba0749b8ec5f0cb908dfcfe