[INFO] fetching crate sklearn-sample-datasets-rs 0.1.0...
[INFO] checking sklearn-sample-datasets-rs-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate sklearn-sample-datasets-rs 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sklearn-sample-datasets-rs 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b5544d2cf5aa807d592e01f9f85fefe26f621f001c6d94583d9bb6caaa3054a
[INFO] running `Command { std: "docker" "start" "-a" "9b5544d2cf5aa807d592e01f9f85fefe26f621f001c6d94583d9bb6caaa3054a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5544d2cf5aa807d592e01f9f85fefe26f621f001c6d94583d9bb6caaa3054a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5544d2cf5aa807d592e01f9f85fefe26f621f001c6d94583d9bb6caaa3054a", kill_on_drop: false }`
[INFO] [stdout] 9b5544d2cf5aa807d592e01f9f85fefe26f621f001c6d94583d9bb6caaa3054a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 080ef1441e7461e799c18bed7871c8daa61d1ca5572bdcf462982382c9a1d830
[INFO] running `Command { std: "docker" "start" "-a" "080ef1441e7461e799c18bed7871c8daa61d1ca5572bdcf462982382c9a1d830", kill_on_drop: false }`
[INFO] [stderr]     Checking sklearn-sample-datasets-rs v0.1.0 (/opt/rustwide/workdir)
[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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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 `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: 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: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "080ef1441e7461e799c18bed7871c8daa61d1ca5572bdcf462982382c9a1d830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080ef1441e7461e799c18bed7871c8daa61d1ca5572bdcf462982382c9a1d830", kill_on_drop: false }`
[INFO] [stdout] 080ef1441e7461e799c18bed7871c8daa61d1ca5572bdcf462982382c9a1d830