[INFO] fetching crate petri 0.0.4...
[INFO] testing petri-0.0.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate petri 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate petri 0.0.4
[INFO] finished tweaking crates.io crate petri 0.0.4
[INFO] tweaked toml for crates.io crate petri 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate petri 0.0.4 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.4.4 (available: v0.9.1)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding ndarray v0.10.14 (available: v0.17.2)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.1)
[INFO] [stderr]       Adding rayon v0.8.2 (available: v1.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70db63b4cf60bd240509febda96c8e01236862dd25c5865fee9591abac171d46
[INFO] running `Command { std: "docker" "start" "-a" "70db63b4cf60bd240509febda96c8e01236862dd25c5865fee9591abac171d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70db63b4cf60bd240509febda96c8e01236862dd25c5865fee9591abac171d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70db63b4cf60bd240509febda96c8e01236862dd25c5865fee9591abac171d46", kill_on_drop: false }`
[INFO] [stdout] 70db63b4cf60bd240509febda96c8e01236862dd25c5865fee9591abac171d46
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f44820ff60b4ad17c02100aa038f0001774b2feec4dd6fe205e0c1696c9a0e6
[INFO] running `Command { std: "docker" "start" "-a" "8f44820ff60b4ad17c02100aa038f0001774b2feec4dd6fe205e0c1696c9a0e6", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling petri v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     _marker: PhantomData<(O)>,
[INFO] [stdout] 45 +     _marker: PhantomData<O>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Roulette` is never constructed
[INFO] [stdout]  --> src/ops/select/roulette.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Roulette;
[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 `Ordered` is never constructed
[INFO] [stdout]  --> src/ops/crossover/ordered.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ordered;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartiallyMatched` is never constructed
[INFO] [stdout]  --> src/ops/crossover/partially_matched.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PartiallyMatched;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gaussian` is never constructed
[INFO] [stdout]   --> src/ops/mutate/gaussian.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Gaussian;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UniformInt` is never constructed
[INFO] [stdout]  --> src/ops/mutate/uniform_int.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UniformInt;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "8f44820ff60b4ad17c02100aa038f0001774b2feec4dd6fe205e0c1696c9a0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f44820ff60b4ad17c02100aa038f0001774b2feec4dd6fe205e0c1696c9a0e6", kill_on_drop: false }`
[INFO] [stdout] 8f44820ff60b4ad17c02100aa038f0001774b2feec4dd6fe205e0c1696c9a0e6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 687757c1e7e347289560574428d7d6da14087e42cdf6e6698af0fc1668c7b253
[INFO] running `Command { std: "docker" "start" "-a" "687757c1e7e347289560574428d7d6da14087e42cdf6e6698af0fc1668c7b253", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     _marker: PhantomData<(O)>,
[INFO] [stdout] 45 +     _marker: PhantomData<O>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Roulette` is never constructed
[INFO] [stdout]  --> src/ops/select/roulette.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Roulette;
[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 `Ordered` is never constructed
[INFO] [stdout]  --> src/ops/crossover/ordered.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ordered;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartiallyMatched` is never constructed
[INFO] [stdout]  --> src/ops/crossover/partially_matched.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PartiallyMatched;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gaussian` is never constructed
[INFO] [stdout]   --> src/ops/mutate/gaussian.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Gaussian;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UniformInt` is never constructed
[INFO] [stdout]  --> src/ops/mutate/uniform_int.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UniformInt;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling petri v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/algo/simple.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     _marker: PhantomData<(O)>,
[INFO] [stdout]    |                          ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     _marker: PhantomData<(O)>,
[INFO] [stdout] 45 +     _marker: PhantomData<O>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Roulette` is never constructed
[INFO] [stdout]  --> src/ops/select/roulette.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Roulette;
[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 `Ordered` is never constructed
[INFO] [stdout]  --> src/ops/crossover/ordered.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ordered;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartiallyMatched` is never constructed
[INFO] [stdout]  --> src/ops/crossover/partially_matched.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PartiallyMatched;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gaussian` is never constructed
[INFO] [stdout]   --> src/ops/mutate/gaussian.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Gaussian;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UniformInt` is never constructed
[INFO] [stdout]  --> src/ops/mutate/uniform_int.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UniformInt;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "687757c1e7e347289560574428d7d6da14087e42cdf6e6698af0fc1668c7b253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687757c1e7e347289560574428d7d6da14087e42cdf6e6698af0fc1668c7b253", kill_on_drop: false }`
[INFO] [stdout] 687757c1e7e347289560574428d7d6da14087e42cdf6e6698af0fc1668c7b253
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5701adab2ce667bd3ceaa8d16f6686f900fbd327ea20745154ff1b584249553
[INFO] running `Command { std: "docker" "start" "-a" "f5701adab2ce667bd3ceaa8d16f6686f900fbd327ea20745154ff1b584249553", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^ ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -     _marker: PhantomData<(O)>,
[INFO] [stderr] 45 +     _marker: PhantomData<O>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Roulette` is never constructed
[INFO] [stderr]  --> src/ops/select/roulette.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Roulette;
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ordered` is never constructed
[INFO] [stderr]  --> src/ops/crossover/ordered.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Ordered;
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PartiallyMatched` is never constructed
[INFO] [stderr]  --> src/ops/crossover/partially_matched.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct PartiallyMatched;
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Gaussian` is never constructed
[INFO] [stderr]   --> src/ops/mutate/gaussian.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Gaussian;
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UniformInt` is never constructed
[INFO] [stderr]  --> src/ops/mutate/uniform_int.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct UniformInt;
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `petri` (lib) generated 6 warnings (run `cargo fix --lib -p petri` to apply 1 suggestion)
[INFO] [stderr] warning: `petri` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/petri-ac01161ce987a4f8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ops::crossover::one_point::test::test_crosses_correctly ... ok
[INFO] [stdout] test ops::crossover::two_point::test::test_crosses_correctly ... ok
[INFO] [stdout] test ops::mutate::flip_bit::test::test_mutates_correctly ... ok
[INFO] [stdout] test ops::crossover::two_point::test::test_panics_on_different_len - should panic ... ok
[INFO] [stdout] test ops::crossover::one_point::test::test_panics_on_different_len - should panic ... ok
[INFO] [stdout] test ops::mutate::flip_bit::test::test_panics_on_lt_0 - should panic ... ok
[INFO] [stdout] test ops::mutate::flip_bit::test::test_panics_on_gt_1 - should panic ... ok
[INFO] [stdout] test ops::mutate::shuffle_indexes::test::test_panics_on_gt_1 - should panic ... ok
[INFO] [stdout] test ops::mutate::shuffle_indexes::test::test_panics_on_lt_0 - should panic ... ok
[INFO] [stderr]    Doc-tests petri
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/algo/simple.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     _marker: PhantomData<(O)>,
[INFO] [stderr]    |                          ^ ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -     _marker: PhantomData<(O)>,
[INFO] [stderr] 45 +     _marker: PhantomData<O>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "f5701adab2ce667bd3ceaa8d16f6686f900fbd327ea20745154ff1b584249553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5701adab2ce667bd3ceaa8d16f6686f900fbd327ea20745154ff1b584249553", kill_on_drop: false }`
[INFO] [stdout] f5701adab2ce667bd3ceaa8d16f6686f900fbd327ea20745154ff1b584249553
