[INFO] fetching crate miniboosts 0.4.0...
[INFO] checking miniboosts-0.4.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate miniboosts 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate miniboosts 0.4.0
[INFO] finished tweaking crates.io crate miniboosts 0.4.0
[INFO] tweaked toml for crates.io crate miniboosts 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate miniboosts 0.4.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate miniboosts 0.4.0 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaca93d3287748b16f0854ac8e4f09c1d5fdccb62dbb04038dd2cdac71839539
[INFO] running `Command { std: "docker" "start" "-a" "aaca93d3287748b16f0854ac8e4f09c1d5fdccb62dbb04038dd2cdac71839539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaca93d3287748b16f0854ac8e4f09c1d5fdccb62dbb04038dd2cdac71839539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaca93d3287748b16f0854ac8e4f09c1d5fdccb62dbb04038dd2cdac71839539", kill_on_drop: false }`
[INFO] [stdout] aaca93d3287748b16f0854ac8e4f09c1d5fdccb62dbb04038dd2cdac71839539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c8966e40d0ce2b95642ec536337eba275e821ccd07714f28670b604333f8a9
[INFO] running `Command { std: "docker" "start" "-a" "99c8966e40d0ce2b95642ec536337eba275e821ccd07714f28670b604333f8a9", kill_on_drop: false }`
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[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking comfy-table v7.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking multiversion v0.7.4
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking polars-arrow-format v0.1.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking clarabel v0.9.0
[INFO] [stderr]     Checking polars-error v0.41.3
[INFO] [stderr]     Checking polars-row v0.41.3
[INFO] [stderr]     Checking polars-parquet v0.41.3
[INFO] [stderr]     Checking polars-time v0.41.3
[INFO] [stderr]     Checking polars-io v0.41.3
[INFO] [stderr]     Checking miniboosts v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `right_weight_sum` is never read
[INFO] [stdout]    --> src/weak_learner/decision_tree/criterion.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             right_weight_sum -= w;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `right_weight_sum` is never read
[INFO] [stdout]    --> src/weak_learner/decision_tree/criterion.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             right_weight_sum -= w;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `right_weight_sum` is never read
[INFO] [stdout]    --> src/weak_learner/decision_tree/criterion.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             right_weight_sum -= w;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `right_weight_sum` is never read
[INFO] [stdout]    --> src/weak_learner/decision_tree/criterion.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             right_weight_sum -= w;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FeatureValue` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub(crate) struct FeatureValue(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mass` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub(crate) struct Mass(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub(crate) struct Target(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/research/logger.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         (1..).try_for_each(|iter| {
[INFO] [stdout] 237 | |             // Start measuring time
[INFO] [stdout] 238 | |             let now = Instant::now();
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |             flow
[INFO] [stdout] 298 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = (1..).try_for_each(|iter| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FeatureValue` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub(crate) struct FeatureValue(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mass` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:187:19
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub(crate) struct Mass(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]    --> src/weak_learner/common/type_and_struct.rs:214:19
[INFO] [stdout]     |
[INFO] [stdout] 214 | pub(crate) struct Target(pub(crate) f64);
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/research/logger.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         (1..).try_for_each(|iter| {
[INFO] [stdout] 237 | |             // Start measuring time
[INFO] [stdout] 238 | |             let now = Instant::now();
[INFO] [stdout] ...   |
[INFO] [stdout] 297 | |             flow
[INFO] [stdout] 298 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = (1..).try_for_each(|iter| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.92s
[INFO] running `Command { std: "docker" "inspect" "99c8966e40d0ce2b95642ec536337eba275e821ccd07714f28670b604333f8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c8966e40d0ce2b95642ec536337eba275e821ccd07714f28670b604333f8a9", kill_on_drop: false }`
[INFO] [stdout] 99c8966e40d0ce2b95642ec536337eba275e821ccd07714f28670b604333f8a9