[INFO] fetching crate emcee 1.0.0-alpha.2... [INFO] testing emcee-1.0.0-alpha.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate emcee 1.0.0-alpha.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate emcee 1.0.0-alpha.2 [INFO] finished tweaking crates.io crate emcee 1.0.0-alpha.2 [INFO] tweaked toml for crates.io crate emcee 1.0.0-alpha.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate emcee 1.0.0-alpha.2 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 11 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.2) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b273c3c6f7562375a7c1ec7d80fc60404d4fb6e44629146da3c33b11b015fd3e [INFO] running `Command { std: "docker" "start" "-a" "b273c3c6f7562375a7c1ec7d80fc60404d4fb6e44629146da3c33b11b015fd3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b273c3c6f7562375a7c1ec7d80fc60404d4fb6e44629146da3c33b11b015fd3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b273c3c6f7562375a7c1ec7d80fc60404d4fb6e44629146da3c33b11b015fd3e", kill_on_drop: false }` [INFO] [stdout] b273c3c6f7562375a7c1ec7d80fc60404d4fb6e44629146da3c33b11b015fd3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8a924e3c91d2f9414740492021c5f512312f3e3f0ec732bad17d57d59a065a22 [INFO] running `Command { std: "docker" "start" "-a" "8a924e3c91d2f9414740492021c5f512312f3e3f0ec732bad17d57d59a065a22", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling emcee v1.0.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:378:14 [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:42:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "8a924e3c91d2f9414740492021c5f512312f3e3f0ec732bad17d57d59a065a22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a924e3c91d2f9414740492021c5f512312f3e3f0ec732bad17d57d59a065a22", kill_on_drop: false }` [INFO] [stdout] 8a924e3c91d2f9414740492021c5f512312f3e3f0ec732bad17d57d59a065a22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 33c03332f344a0ba00eda4f30f8368319abd56a9f531bf61497ded7c01a51f96 [INFO] running `Command { std: "docker" "start" "-a" "33c03332f344a0ba00eda4f30f8368319abd56a9f531bf61497ded7c01a51f96", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling assert_approx_eq v1.1.0 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:378:14 [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:42:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling emcee v1.0.0-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> examples/fitting_a_model_to_data.rs:96:6 [INFO] [stdout] | [INFO] [stdout] 96 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:378:14 [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 378 | rng: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/errors.rs:42:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `idx` and `fraction` are never read [INFO] [stdout] --> src/lib.rs:1103:13 [INFO] [stdout] | [INFO] [stdout] 1102 | struct I { [INFO] [stdout] | - fields in this struct [INFO] [stdout] 1103 | idx: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 1104 | fraction: f64, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `I` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "33c03332f344a0ba00eda4f30f8368319abd56a9f531bf61497ded7c01a51f96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c03332f344a0ba00eda4f30f8368319abd56a9f531bf61497ded7c01a51f96", kill_on_drop: false }` [INFO] [stdout] 33c03332f344a0ba00eda4f30f8368319abd56a9f531bf61497ded7c01a51f96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 33348e235083dcb2d118ae7cd79a99a54548a17d7e21ee9a299c686c92643632 [INFO] running `Command { std: "docker" "start" "-a" "33348e235083dcb2d118ae7cd79a99a54548a17d7e21ee9a299c686c92643632", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:378:14 [INFO] [stderr] | [INFO] [stderr] 378 | rng: Box, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 378 | rng: Box, [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/errors.rs:42:32 [INFO] [stderr] | [INFO] [stderr] 42 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 42 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stderr] | +++++ + [INFO] [stderr] [INFO] [stderr] warning: fields `idx` and `fraction` are never read [INFO] [stderr] --> src/lib.rs:1103:13 [INFO] [stderr] | [INFO] [stderr] 1102 | struct I { [INFO] [stderr] | - fields in this struct [INFO] [stderr] 1103 | idx: usize, [INFO] [stderr] | ^^^ [INFO] [stderr] 1104 | fraction: f64, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `I` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `emcee` (lib) generated 2 warnings (run `cargo fix --lib -p emcee` to apply 2 suggestions) [INFO] [stderr] warning: `emcee` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> examples/fitting_a_model_to_data.rs:96:6 [INFO] [stderr] | [INFO] [stderr] 96 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `emcee` (example "fitting_a_model_to_data") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/emcee-318e9503cdad532d) [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test guess::tests::test_contains_infinites ... ok [INFO] [stdout] test guess::tests::test_contains_nans ... ok [INFO] [stdout] test guess::tests::test_initial_guess ... ok [INFO] [stdout] test guess::tests::test_pertubation ... ok [INFO] [stdout] test stores::test::test_probstore ... ok [INFO] [stdout] test tests::test_enough_walkers ... ok [INFO] [stdout] test tests::test_lnprob_gaussian ... ok [INFO] [stdout] test tests::test_lnprob_implementations ... ok [INFO] [stdout] test tests::test_mat_vec_mul ... ok [INFO] [stdout] test tests::test_lnprob ... ok [INFO] [stdout] test guess::tests::test_indexing ... ok [INFO] [stdout] test stores::test::test_chain ... ok [INFO] [stdout] test tests::test_nwalkers_even ... ok [INFO] [stdout] test tests::test_vec_vec_mul ... ok [INFO] [stdout] test tests::test_propose_stretch ... ok [INFO] [stdout] test tests::test_run_mcmc ... ok [INFO] [stdout] test tests::test_single_sample ... ok [INFO] [stdout] test tests::test_with_initial_state ... ok [INFO] [stdout] test tests::test_restart_sampler ... ok [INFO] [stdout] test tests::test_sample_with_callback ... ok [INFO] [stdout] test tests::test_not_storing_chain ... ok [INFO] [stdout] test tests::test_mcmc_run ... ok [INFO] [stdout] test tests::test_thinning ... ok [INFO] [stdout] test tests::test_multivariate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s [INFO] [stdout] [INFO] [stderr] Doc-tests emcee [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - (line 80) ... ok [INFO] [stdout] test src/prob.rs - prob::Prob (line 17) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... ok [INFO] [stdout] test src/lib.rs - (line 91) ... ok [INFO] [stdout] test src/lib.rs - (line 46) ... ok [INFO] [stdout] test src/lib.rs - (line 109) ... ok [INFO] [stdout] test src/lib.rs - (line 206) ... ok [INFO] [stdout] test src/lib.rs - (line 258) ... ok [INFO] [stdout] test src/lib.rs - (line 151) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "33348e235083dcb2d118ae7cd79a99a54548a17d7e21ee9a299c686c92643632", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33348e235083dcb2d118ae7cd79a99a54548a17d7e21ee9a299c686c92643632", kill_on_drop: false }` [INFO] [stdout] 33348e235083dcb2d118ae7cd79a99a54548a17d7e21ee9a299c686c92643632