[INFO] fetching crate sklearn-sample-datasets-rs 0.1.0...
[INFO] testing sklearn-sample-datasets-rs-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate sklearn-sample-datasets-rs 0.1.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklearn-sample-datasets-rs 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db35ffc254b0d10f6c3f6ad34d7ad3f314e4408a08b82fb7b9e346a40e9a5d06
[INFO] running `Command { std: "docker" "start" "-a" "db35ffc254b0d10f6c3f6ad34d7ad3f314e4408a08b82fb7b9e346a40e9a5d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db35ffc254b0d10f6c3f6ad34d7ad3f314e4408a08b82fb7b9e346a40e9a5d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db35ffc254b0d10f6c3f6ad34d7ad3f314e4408a08b82fb7b9e346a40e9a5d06", kill_on_drop: false }`
[INFO] [stdout] db35ffc254b0d10f6c3f6ad34d7ad3f314e4408a08b82fb7b9e346a40e9a5d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a62fa82ebe83a847552dd586e9a731bde35f07125a95b2aeab14ad76301c3669
[INFO] running `Command { std: "docker" "start" "-a" "a62fa82ebe83a847552dd586e9a731bde35f07125a95b2aeab14ad76301c3669", 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)]` 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)]` 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "a62fa82ebe83a847552dd586e9a731bde35f07125a95b2aeab14ad76301c3669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62fa82ebe83a847552dd586e9a731bde35f07125a95b2aeab14ad76301c3669", kill_on_drop: false }`
[INFO] [stdout] a62fa82ebe83a847552dd586e9a731bde35f07125a95b2aeab14ad76301c3669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7dc7031ccfa73b9589d9dd5a6c6a5ed2a21a0076f2690e4be029f189f033b00c
[INFO] running `Command { std: "docker" "start" "-a" "7dc7031ccfa73b9589d9dd5a6c6a5ed2a21a0076f2690e4be029f189f033b00c", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[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: 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)]` 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)]` 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 0.48s
[INFO] running `Command { std: "docker" "inspect" "7dc7031ccfa73b9589d9dd5a6c6a5ed2a21a0076f2690e4be029f189f033b00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc7031ccfa73b9589d9dd5a6c6a5ed2a21a0076f2690e4be029f189f033b00c", kill_on_drop: false }`
[INFO] [stdout] 7dc7031ccfa73b9589d9dd5a6c6a5ed2a21a0076f2690e4be029f189f033b00c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b823e5da34493c524aefefb9b82d75a84f49660a1ae9871289331bfe4b465881
[INFO] running `Command { std: "docker" "start" "-a" "b823e5da34493c524aefefb9b82d75a84f49660a1ae9871289331bfe4b465881", 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)]` 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)]` 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/x86_64-unknown-linux-musl/debug/deps/sklearn_sample_datasets_rs-44ea8992b6421416)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] running `Command { std: "docker" "inspect" "b823e5da34493c524aefefb9b82d75a84f49660a1ae9871289331bfe4b465881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b823e5da34493c524aefefb9b82d75a84f49660a1ae9871289331bfe4b465881", kill_on_drop: false }`
[INFO] [stdout] b823e5da34493c524aefefb9b82d75a84f49660a1ae9871289331bfe4b465881