[INFO] fetching crate sklears-preprocessing 0.1.0-alpha.1...
[INFO] checking sklears-preprocessing-0.1.0-alpha.1 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] extracting crate sklears-preprocessing 0.1.0-alpha.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sklears-preprocessing 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate sklears-preprocessing 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate sklears-preprocessing 0.1.0-alpha.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklears-preprocessing 0.1.0-alpha.1 on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sklears-preprocessing 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] ab3ce06c57b7b025345ceb1cf202bcc84f371bc2b2243e43b85dd3f6dcebcd52
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[INFO] running `Command { std: "docker" "rm" "-f" "ab3ce06c57b7b025345ceb1cf202bcc84f371bc2b2243e43b85dd3f6dcebcd52", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d39f953872e6cdd14313838b297fa854bbcf5e4be8b72da09600fb581275fcc0
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[INFO] [stderr]     Checking sklears-preprocessing v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n_binary_cols`
[INFO] [stdout]    --> src/encoding.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let n_binary_cols = if n_categories <= 1 {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_binary_cols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `category_mapping`
[INFO] [stdout]    --> src/encoding.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let category_mapping: HashMap<String, usize> = categories
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_category_mapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_binary_cols`
[INFO] [stdout]    --> src/encoding.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let n_binary_cols = if n_categories <= 1 {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_binary_cols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `category_mapping`
[INFO] [stdout]    --> src/encoding.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let category_mapping: HashMap<String, usize> = categories
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_category_mapping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/encoding.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |         unsafe { &*(std::ptr::null::<BinaryEncoderFitted>()) }
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/feature_union.rs:812:13
[INFO] [stdout]     |
[INFO] [stdout] 812 |         let result = fitted_fu.transform(&x).unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower`
[INFO] [stdout]    --> src/outlier_detection/simd_operations.rs:259:24
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let (outliers, lower, upper, q1, q3) = simd_iqr_outliers(&data, 1.5);
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_lower`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/simd_optimizations.rs:1047:14
[INFO] [stdout]      |
[INFO] [stdout] 1047 |         for (i, (&new_val, &old_val)) in array.iter().zip(original.iter()).enumerate() {
[INFO] [stdout]      |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/encoding.rs:278:19
[INFO] [stdout]     |
[INFO] [stdout] 278 |         unsafe { &*(std::ptr::null::<BinaryEncoderFitted>()) }
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 20s
[INFO] running `Command { std: "docker" "inspect" "d39f953872e6cdd14313838b297fa854bbcf5e4be8b72da09600fb581275fcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39f953872e6cdd14313838b297fa854bbcf5e4be8b72da09600fb581275fcc0", kill_on_drop: false }`
[INFO] [stdout] d39f953872e6cdd14313838b297fa854bbcf5e4be8b72da09600fb581275fcc0
