[INFO] fetching crate xanadu 0.0.5...
[INFO] testing xanadu-0.0.5 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate xanadu 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate xanadu 0.0.5
[INFO] finished tweaking crates.io crate xanadu 0.0.5
[INFO] tweaked toml for crates.io crate xanadu 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xanadu 0.0.5 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xanadu 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d12340f9176a99d50cd6230ae495b0f77a98fc3aa8d189fd3a78f34e08a02a
[INFO] running `Command { std: "docker" "start" "-a" "55d12340f9176a99d50cd6230ae495b0f77a98fc3aa8d189fd3a78f34e08a02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d12340f9176a99d50cd6230ae495b0f77a98fc3aa8d189fd3a78f34e08a02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d12340f9176a99d50cd6230ae495b0f77a98fc3aa8d189fd3a78f34e08a02a", kill_on_drop: false }`
[INFO] [stdout] 55d12340f9176a99d50cd6230ae495b0f77a98fc3aa8d189fd3a78f34e08a02a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0642c22644780d8f1fd1b804277dc2b55003ecb40302fc1a106c27d5f1368cc8
[INFO] running `Command { std: "docker" "start" "-a" "0642c22644780d8f1fd1b804277dc2b55003ecb40302fc1a106c27d5f1368cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling xanadu v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/usage.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/bin/usage.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "0642c22644780d8f1fd1b804277dc2b55003ecb40302fc1a106c27d5f1368cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0642c22644780d8f1fd1b804277dc2b55003ecb40302fc1a106c27d5f1368cc8", kill_on_drop: false }`
[INFO] [stdout] 0642c22644780d8f1fd1b804277dc2b55003ecb40302fc1a106c27d5f1368cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09de3c10e937a6c376b27d5c5651630407c8fc549a144d98d97972d6633785b7
[INFO] running `Command { std: "docker" "start" "-a" "09de3c10e937a6c376b27d5c5651630407c8fc549a144d98d97972d6633785b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling xanadu v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bin/usage.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Position {
[INFO] [stdout]   |            ^^^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/bin/usage.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "09de3c10e937a6c376b27d5c5651630407c8fc549a144d98d97972d6633785b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09de3c10e937a6c376b27d5c5651630407c8fc549a144d98d97972d6633785b7", kill_on_drop: false }`
[INFO] [stdout] 09de3c10e937a6c376b27d5c5651630407c8fc549a144d98d97972d6633785b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c2a6eee94fd7ad571b1bc4de760bade073acbb5cd5081f465f1fd9c2e9b820d
[INFO] running `Command { std: "docker" "start" "-a" "1c2a6eee94fd7ad571b1bc4de760bade073acbb5cd5081f465f1fd9c2e9b820d", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/bin/usage.rs:5:12
[INFO] [stdout] running 15 tests
[INFO] [stderr]   |
[INFO] [stdout] test collections::generational_vec::test::remove ... ok
[INFO] [stderr] 5 | pub struct Position {
[INFO] [stdout] test collections::generational_vec::test::remove_and_then_add ... ok
[INFO] [stderr]   |            ^^^^^^^^ field in this struct
[INFO] [stdout] test collections::generational_vec::test::num_elements ... ok
[INFO] [stderr]   |
[INFO] [stdout] test collections::type_erased_sparse_vec::test::downcast_mut ... ok
[INFO] [stderr]   = help: consider removing this field
[INFO] [stdout] test ecs::world::test::attach_component_return_value ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test collections::generational_vec::test::empty_after_remove ... ok
[INFO] [stderr] 
[INFO] [stdout] test ecs::world::test::new ... ok
[INFO] [stderr] warning: function `check` is never used
[INFO] [stdout] test ecs::world::test::new_entity ... ok
[INFO] [stderr]  --> src/bin/usage.rs:3:1
[INFO] [stdout] test collections::sparse_vec::test::replace ... ok
[INFO] [stderr]   |
[INFO] [stdout] test collections::generational_vec::test::get_mut ... ok
[INFO] [stderr] 3 | #[repr(C)]
[INFO] [stdout] test collections::generational_vec::test::get ... ok
[INFO] [stderr]   | ^
[INFO] [stdout] test collections::type_erased_sparse_vec::test::downcast ... ok
[INFO] [stderr] 
[INFO] [stdout] test collections::generational_vec::test::len ... ok
[INFO] [stderr] warning: `xanadu` (bin "usage" test) generated 2 warnings
[INFO] [stdout] test collections::sparse_vec::test::replace_offset ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xanadu-d2e3b3f57e1b2c6a)
[INFO] [stdout] test collections::sparse_vec::test::replace_return_value ... ok
[INFO] [stderr]      Running unittests src/bin/usage.rs (/opt/rustwide/target/debug/deps/usage-f1029a353a33273e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xanadu
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c2a6eee94fd7ad571b1bc4de760bade073acbb5cd5081f465f1fd9c2e9b820d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2a6eee94fd7ad571b1bc4de760bade073acbb5cd5081f465f1fd9c2e9b820d", kill_on_drop: false }`
[INFO] [stdout] 1c2a6eee94fd7ad571b1bc4de760bade073acbb5cd5081f465f1fd9c2e9b820d