[INFO] fetching crate mcmc 0.1.3...
[INFO] testing mcmc-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcmc 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mcmc 0.1.3
[INFO] finished tweaking crates.io crate mcmc 0.1.3
[INFO] tweaked toml for crates.io crate mcmc 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcmc 0.1.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding arima v0.2.0 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2b8a52bf345312ee784bc3aecf5d05263d51246828ac3d426e04e84e7a68f3
[INFO] running `Command { std: "docker" "start" "-a" "ad2b8a52bf345312ee784bc3aecf5d05263d51246828ac3d426e04e84e7a68f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2b8a52bf345312ee784bc3aecf5d05263d51246828ac3d426e04e84e7a68f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2b8a52bf345312ee784bc3aecf5d05263d51246828ac3d426e04e84e7a68f3", kill_on_drop: false }`
[INFO] [stdout] ad2b8a52bf345312ee784bc3aecf5d05263d51246828ac3d426e04e84e7a68f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f718bf28e4b633f0fa1f0e4241c0294cae9628c0f2a5c8969b60610e1c7a27de
[INFO] running `Command { std: "docker" "start" "-a" "f718bf28e4b633f0fa1f0e4241c0294cae9628c0f2a5c8969b60610e1c7a27de", kill_on_drop: false }`
[INFO] [stderr]    Compiling lbfgs v0.2.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling optimization v0.1.0
[INFO] [stderr]    Compiling arima v0.2.0
[INFO] [stderr]    Compiling mcmc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[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 1.15s
[INFO] running `Command { std: "docker" "inspect" "f718bf28e4b633f0fa1f0e4241c0294cae9628c0f2a5c8969b60610e1c7a27de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f718bf28e4b633f0fa1f0e4241c0294cae9628c0f2a5c8969b60610e1c7a27de", kill_on_drop: false }`
[INFO] [stdout] f718bf28e4b633f0fa1f0e4241c0294cae9628c0f2a5c8969b60610e1c7a27de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72b776797c4a8145a7e763a8486464912b38c8c6a9fcdc2745c342d9eb10ac23
[INFO] running `Command { std: "docker" "start" "-a" "72b776797c4a8145a7e763a8486464912b38c8c6a9fcdc2745c342d9eb10ac23", kill_on_drop: false }`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mcmc v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "72b776797c4a8145a7e763a8486464912b38c8c6a9fcdc2745c342d9eb10ac23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b776797c4a8145a7e763a8486464912b38c8c6a9fcdc2745c342d9eb10ac23", kill_on_drop: false }`
[INFO] [stdout] 72b776797c4a8145a7e763a8486464912b38c8c6a9fcdc2745c342d9eb10ac23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0815e045cb51656bdcc9e66fb935338ee5acedce96ad67a8a930556922e8ba59
[INFO] running `Command { std: "docker" "start" "-a" "0815e045cb51656bdcc9e66fb935338ee5acedce96ad67a8a930556922e8ba59", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcmc` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcmc-ae87ad4dc5fcaf78)
[INFO] [stdout] running 17 tests
[INFO] [stdout] test ess::tests::compute_effective_sample_size_constant ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_nan ... ok
[INFO] [stdout] test ess::tests::test_identical_autocovariance_in_arima_library_and_stan ... ok
[INFO] [stdout] test rhat::tests::test_split_chains ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_sufficient_n ... ok
[INFO] [stdout] test ess::tests::compute_effective_sample_size_minimum_n ... ok
[INFO] [stdout] test utils::tests::test_split_empty_chains ... ok
[INFO] [stdout] test utils::tests::test_split_even_chains ... ok
[INFO] [stdout] test utils::tests::test_split_odd_chains ... ok
[INFO] [stdout] test utils::tests::test_flatten ... ok
[INFO] [stdout] test utils::tests::test_stats ... ok
[INFO] [stdout] test rhat::tests::test_stan_blocker_unit_test_split_potential_scale_reduction_factor ... ok
[INFO] [stdout] test rhat::tests::test_stan_blocker_unit_test_potential_scale_reduction_factor ... ok
[INFO] [stdout] test ess::tests::test_compute_split_effective_sample_size_two_chains ... ok
[INFO] [stdout] test ess::tests::test_compute_effective_sample_size_one_chain ... ok
[INFO] [stdout] test ess::tests::test_compute_effective_sample_size_two_chains ... ok
[INFO] [stdout] test ess::tests::test_compute_estimated_mcse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.91s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcmc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0815e045cb51656bdcc9e66fb935338ee5acedce96ad67a8a930556922e8ba59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0815e045cb51656bdcc9e66fb935338ee5acedce96ad67a8a930556922e8ba59", kill_on_drop: false }`
[INFO] [stdout] 0815e045cb51656bdcc9e66fb935338ee5acedce96ad67a8a930556922e8ba59