[INFO] fetching crate why_rs 0.1.1...
[INFO] checking why_rs-0.1.1 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate why_rs 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate why_rs 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate why_rs 0.1.1
[INFO] tweaked toml for crates.io crate why_rs 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate why_rs 0.1.1 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate why_rs 0.1.1 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polars v0.52.0
[INFO] [stderr]   Downloaded polars-mem-engine v0.52.0
[INFO] [stderr]   Downloaded polars-lazy v0.52.0
[INFO] [stderr]   Downloaded fs4 v0.13.1
[INFO] [stderr]   Downloaded ethnum v1.5.2
[INFO] [stderr]   Downloaded polars-arrow v0.52.0
[INFO] [stderr]   Downloaded polars-stream v0.52.0
[INFO] [stderr]   Downloaded polars-plan v0.52.0
[INFO] [stderr]   Downloaded litrs v1.0.0
[INFO] [stderr]   Downloaded polars-io v0.52.0
[INFO] [stderr]   Downloaded sqlparser v0.53.0
[INFO] [stderr]   Downloaded polars-parquet-format v0.1.0
[INFO] [stderr]   Downloaded atoi_simd v0.16.1
[INFO] [stderr]   Downloaded phf v0.12.1
[INFO] [stderr]   Downloaded fast-float2 v0.2.3
[INFO] [stderr]   Downloaded polars-compute v0.52.0
[INFO] [stderr]   Downloaded polars-expr v0.52.0
[INFO] [stderr]   Downloaded polars-dtype v0.52.0
[INFO] [stderr]   Downloaded argminmax v0.6.3
[INFO] [stderr]   Downloaded quinn-proto v0.11.13
[INFO] [stderr]   Downloaded planus v1.1.1
[INFO] [stderr]   Downloaded comfy-table v7.2.1
[INFO] [stderr]   Downloaded polars-core v0.52.0
[INFO] [stderr]   Downloaded polars-time v0.52.0
[INFO] [stderr]   Downloaded serde_stacker v0.1.14
[INFO] [stderr]   Downloaded polars-sql v0.52.0
[INFO] [stderr]   Downloaded polars-ops v0.52.0
[INFO] [stderr]   Downloaded polars-parquet v0.52.0
[INFO] [stderr]   Downloaded quinn v0.11.9
[INFO] [stderr]   Downloaded object_store v0.12.4
[INFO] [stderr]   Downloaded raw-cpuid v11.6.0
[INFO] [stderr]   Downloaded polars-utils v0.52.0
[INFO] [stderr]   Downloaded polars-row v0.52.0
[INFO] [stderr]   Downloaded quinn-udp v0.5.14
[INFO] [stderr]   Downloaded polars-arrow-format v0.2.1
[INFO] [stderr]   Downloaded debug_unsafe v0.1.3
[INFO] [stderr]   Downloaded phf_shared v0.12.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.8.2
[INFO] [stderr]   Downloaded polars-error v0.52.0
[INFO] [stderr]   Downloaded document-features v0.2.12
[INFO] [stderr]   Downloaded polars-schema v0.52.0
[INFO] [stderr]   Downloaded array-init-cursor v0.2.1
[INFO] [stderr]   Downloaded chrono-tz v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d43f3974ee74a7c6eb3e63c17125633c4ffffb0880800d09b6838991eca7e9b2
[INFO] running `Command { std: "docker" "start" "-a" "d43f3974ee74a7c6eb3e63c17125633c4ffffb0880800d09b6838991eca7e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43f3974ee74a7c6eb3e63c17125633c4ffffb0880800d09b6838991eca7e9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43f3974ee74a7c6eb3e63c17125633c4ffffb0880800d09b6838991eca7e9b2", kill_on_drop: false }`
[INFO] [stdout] d43f3974ee74a7c6eb3e63c17125633c4ffffb0880800d09b6838991eca7e9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9490f675bfbbf469b8396eba8307bdebc0fd9edf00170965a4d0cc5f0b67de99
[INFO] running `Command { std: "docker" "start" "-a" "9490f675bfbbf469b8396eba8307bdebc0fd9edf00170965a4d0cc5f0b67de99", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cc v1.2.48
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking planus v1.1.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling polars-core v0.52.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling polars-ops v0.52.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars v0.52.0
[INFO] [stderr]     Checking polars-parquet-format v0.1.0
[INFO] [stderr]     Checking streaming-decompression v0.1.2
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]     Checking now v0.1.3
[INFO] [stderr]     Checking crossterm v0.29.0
[INFO] [stderr]     Checking comfy-table v7.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking polars-arrow-format v0.2.1
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking polars-error v0.52.0
[INFO] [stderr]     Checking polars-dtype v0.52.0
[INFO] [stderr]     Checking polars-row v0.52.0
[INFO] [stderr]     Checking polars-parquet v0.52.0
[INFO] [stderr]     Checking polars-time v0.52.0
[INFO] [stderr]     Checking polars-io v0.52.0
[INFO] [stderr]     Checking why_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `polars::prelude::DataFrame`
[INFO] [stdout]  --> src/dag.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use polars::prelude::DataFrame;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars::prelude::DataFrame`
[INFO] [stdout]  --> src/dag.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use polars::prelude::DataFrame;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars::prelude::GroupByMethod::Var`
[INFO] [stdout]  --> src/dag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use polars::prelude::GroupByMethod::Var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars::prelude::GroupByMethod::Var`
[INFO] [stdout]  --> src/dag.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use polars::prelude::GroupByMethod::Var;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/pc.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/pc.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::SQRT_2`
[INFO] [stdout]  --> src/pc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::f64::consts::SQRT_2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f64::consts::SQRT_2`
[INFO] [stdout]  --> src/pc.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::f64::consts::SQRT_2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::visit::EdgeRef`
[INFO] [stdout]  --> src/pc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::visit::EdgeRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::visit::EdgeRef`
[INFO] [stdout]  --> src/pc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use petgraph::visit::EdgeRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/pc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PC {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     data: DataFrame,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/pc.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PC {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     data: DataFrame,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Variable`
[INFO] [stdout]  --> examples/fcm_test.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use why_rs::dag::{Value, Variable, DAG};
[INFO] [stdout]   |                          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/simple.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut model = FCM::new()
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `polars::prelude`
[INFO] [stdout]  --> examples/pc_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use polars::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.85s
[INFO] running `Command { std: "docker" "inspect" "9490f675bfbbf469b8396eba8307bdebc0fd9edf00170965a4d0cc5f0b67de99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9490f675bfbbf469b8396eba8307bdebc0fd9edf00170965a4d0cc5f0b67de99", kill_on_drop: false }`
[INFO] [stdout] 9490f675bfbbf469b8396eba8307bdebc0fd9edf00170965a4d0cc5f0b67de99
