[INFO] fetching crate spaces 6.0.0...
[INFO] testing spaces-6.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spaces 6.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spaces 6.0.0
[INFO] finished tweaking crates.io crate spaces 6.0.0
[INFO] tweaked toml for crates.io crate spaces 6.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spaces 6.0.0 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 12 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8781fca8dde191787db6c4b739e67dd6daf35910e6cefe4f0f6de7890721957b
[INFO] running `Command { std: "docker" "start" "-a" "8781fca8dde191787db6c4b739e67dd6daf35910e6cefe4f0f6de7890721957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8781fca8dde191787db6c4b739e67dd6daf35910e6cefe4f0f6de7890721957b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8781fca8dde191787db6c4b739e67dd6daf35910e6cefe4f0f6de7890721957b", kill_on_drop: false }`
[INFO] [stdout] 8781fca8dde191787db6c4b739e67dd6daf35910e6cefe4f0f6de7890721957b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b237a9b462e9d1feebc9b3a0415dd95b90d5411132e36906e43ad7e08911356d
[INFO] running `Command { std: "docker" "start" "-a" "b237a9b462e9d1feebc9b3a0415dd95b90d5411132e36906e43ad7e08911356d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling spaces v6.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/discrete/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | import_all!(ordinal);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | import_all!(arrays);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | import_all!(tuples);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b237a9b462e9d1feebc9b3a0415dd95b90d5411132e36906e43ad7e08911356d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b237a9b462e9d1feebc9b3a0415dd95b90d5411132e36906e43ad7e08911356d", kill_on_drop: false }`
[INFO] [stdout] b237a9b462e9d1feebc9b3a0415dd95b90d5411132e36906e43ad7e08911356d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39a3ffe5574e09cfa095fd28f16e2b71524174905dda16db56738032b6b0ecf5
[INFO] running `Command { std: "docker" "start" "-a" "39a3ffe5574e09cfa095fd28f16e2b71524174905dda16db56738032b6b0ecf5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/discrete/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | import_all!(ordinal);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | import_all!(arrays);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | import_all!(tuples);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spaces v6.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/discrete/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | import_all!(ordinal);
[INFO] [stdout]    | -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | import_all!(arrays);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::$module::*`
[INFO] [stdout]   --> src/macros.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         pub use self::$module::*;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | import_all!(tuples);
[INFO] [stdout]    | ------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "39a3ffe5574e09cfa095fd28f16e2b71524174905dda16db56738032b6b0ecf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a3ffe5574e09cfa095fd28f16e2b71524174905dda16db56738032b6b0ecf5", kill_on_drop: false }`
[INFO] [stdout] 39a3ffe5574e09cfa095fd28f16e2b71524174905dda16db56738032b6b0ecf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6c02c49a706cf0f13b55b46e66590bdee9a41e4da462148cae2bb039260f812c
[INFO] running `Command { std: "docker" "start" "-a" "6c02c49a706cf0f13b55b46e66590bdee9a41e4da462148cae2bb039260f812c", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused import: `self::$module::*`
[INFO] [stderr]   --> src/macros.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |         pub use self::$module::*;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/discrete/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr]  6 | import_all!(ordinal);
[INFO] [stderr]    | -------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::$module::*`
[INFO] [stderr]   --> src/macros.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |         pub use self::$module::*;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | import_all!(arrays);
[INFO] [stderr]    | ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::$module::*`
[INFO] [stderr]   --> src/macros.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |         pub use self::$module::*;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | import_all!(tuples);
[INFO] [stderr]    | ------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `import_all` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `spaces` (lib) generated 3 warnings (run `cargo fix --lib -p spaces` to apply 3 suggestions)
[INFO] [stderr] warning: `spaces` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spaces-971aede4c165cc59)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test arrays::tests::test_card ... ok
[INFO] [stdout] test arrays::tests::test_union ... ok
[INFO] [stdout] test card::tests::test_inequality ... ok
[INFO] [stdout] test card::tests::test_into_finite ... ok
[INFO] [stdout] test card::tests::test_equality ... ok
[INFO] [stdout] test arrays::tests::test_dim ... ok
[INFO] [stdout] test discrete::binary::tests::test_bounds ... ok
[INFO] [stdout] test card::tests::test_mul ... ok
[INFO] [stdout] test discrete::binary::tests::test_card ... ok
[INFO] [stdout] test discrete::binary::tests::test_dim ... ok
[INFO] [stdout] test discrete::binary::tests::test_to_ordinal ... ok
[INFO] [stdout] test discrete::naturals::tests::test_bounds ... ok
[INFO] [stdout] test discrete::naturals::tests::test_dim ... ok
[INFO] [stdout] test discrete::naturals::tests::test_card ... ok
[INFO] [stdout] test discrete::ordinal::tests::test_bounds ... ok
[INFO] [stdout] test discrete::ordinal::tests::test_card ... ok
[INFO] [stdout] test discrete::ordinal::tests::test_to_ordinal ... ok
[INFO] [stdout] test interval::tests::test_bounds_f64 ... ok
[INFO] [stdout] test interval::tests::test_bounds_i64 ... ok
[INFO] [stdout] test interval::tests::test_card ... ok
[INFO] [stdout] test partition::tests::test_card ... ok
[INFO] [stdout] test partition::tests::test_dim ... ok
[INFO] [stdout] test partition::tests::test_from_interval ... ok
[INFO] [stdout] test partition::tests::test_partition_width ... ok
[INFO] [stdout] test partition::tests::test_to_ordinal ... ok
[INFO] [stdout] test partition::tests::test_to_partition ... ok
[INFO] [stdout] test real::tests::test_bounded ... ok
[INFO] [stdout] test real::tests::test_card ... ok
[INFO] [stdout] test tuples::tests::test_card ... ok
[INFO] [stdout] test tuples::tests::test_dim ... ok
[INFO] [stdout] test partition::tests::test_centres ... ok
[INFO] [stdout] test partition::tests::test_density ... ok
[INFO] [stdout] test card::tests::test_into_infinite - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spaces
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/card.rs - card::Card (line 8) ... ok
[INFO] [stdout] test src/card.rs - card::Card (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c02c49a706cf0f13b55b46e66590bdee9a41e4da462148cae2bb039260f812c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c02c49a706cf0f13b55b46e66590bdee9a41e4da462148cae2bb039260f812c", kill_on_drop: false }`
[INFO] [stdout] 6c02c49a706cf0f13b55b46e66590bdee9a41e4da462148cae2bb039260f812c
