[INFO] fetching crate strafe-datasets 0.1.1...
[INFO] checking strafe-datasets-0.1.1 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate strafe-datasets 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate strafe-datasets 0.1.1
[INFO] finished tweaking crates.io crate strafe-datasets 0.1.1
[INFO] tweaked toml for crates.io crate strafe-datasets 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate strafe-datasets 0.1.1 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 231 packages to highest compatible versions
[INFO] [stderr]       Adding polars v0.38.3 (available: v0.55.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11
[INFO] running `Command { std: "docker" "start" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
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[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking polars-error v0.38.3
[INFO] [stderr]     Checking nalgebra v0.32.6
[INFO] [stderr]     Checking polars-row v0.38.3
[INFO] [stderr]     Checking polars-parquet v0.38.3
[INFO] [stderr]     Checking polars-time v0.38.3
[INFO] [stderr]     Checking polars-io v0.38.3
[INFO] [stderr]     Checking strafe-type v0.1.1
[INFO] [stderr]     Checking r2rs-datasets v0.1.1
[INFO] [stderr]     Checking strafe-trait v0.1.1
[INFO] [stderr]     Checking r2rs-nmath v0.1.1
[INFO] [stderr]     Checking r2rs-base v0.1.1
[INFO] [stderr]     Checking strafe-testing v0.1.1
[INFO] [stderr]     Checking r2rs-stats v0.1.1
[INFO] [stdout] error[E0658]: use of unstable library feature `liballoc_internals`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/r2rs-stats-0.1.1/src/tests/swilk.rs:135:38
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut a: Vec<libc::c_double> = ::std::vec::from_elem(0., vla);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(liballoc_internals)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-10-11; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r2rs-stats` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11", kill_on_drop: false }`
[INFO] [stdout] f7ac21633ad701f3fafd2bd3336e34892e042f234c2554ab93e1f546af090e11
