[INFO] fetching crate rudo-gc 0.8.19...
[INFO] testing rudo-gc-0.8.19 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rudo-gc 0.8.19 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rudo-gc 0.8.19
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rudo-gc 0.8.19
[INFO] tweaked toml for crates.io crate rudo-gc 0.8.19 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rudo-gc 0.8.19 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] crate crates.io crate rudo-gc 0.8.19 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 05b17d12d9ad255c626f5dbb6832f776726fba72605f63eb3d247a764d1f59a6
[INFO] running `Command { std: "docker" "start" "-a" "05b17d12d9ad255c626f5dbb6832f776726fba72605f63eb3d247a764d1f59a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b17d12d9ad255c626f5dbb6832f776726fba72605f63eb3d247a764d1f59a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b17d12d9ad255c626f5dbb6832f776726fba72605f63eb3d247a764d1f59a6", kill_on_drop: false }`
[INFO] [stdout] 05b17d12d9ad255c626f5dbb6832f776726fba72605f63eb3d247a764d1f59a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ead575d978aba7839cdce0d15ad44608625936742df77449984d088fd9ef3895
[INFO] running `Command { std: "docker" "start" "-a" "ead575d978aba7839cdce0d15ad44608625936742df77449984d088fd9ef3895", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling sys_alloc v0.8.19
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rudo-gc-derive v0.8.19
[INFO] [stderr]    Compiling rudo-gc v0.8.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.93s
[INFO] running `Command { std: "docker" "inspect" "ead575d978aba7839cdce0d15ad44608625936742df77449984d088fd9ef3895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead575d978aba7839cdce0d15ad44608625936742df77449984d088fd9ef3895", kill_on_drop: false }`
[INFO] [stdout] ead575d978aba7839cdce0d15ad44608625936742df77449984d088fd9ef3895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a5ead9e8ddac7f8a0e96dfe8811719e9a79c88b31e3346736e77103d4fad8db6
[INFO] running `Command { std: "docker" "start" "-a" "a5ead9e8ddac7f8a0e96dfe8811719e9a79c88b31e3346736e77103d4fad8db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy v0.8.37
[INFO] [stderr]    Compiling zerocopy-derive v0.8.37
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.18
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling tracing-core v0.1.36
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[INFO] [stderr]    Compiling plotters-backend v0.3.7
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[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
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[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.8.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v4.5.56
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling rudo-gc v0.8.19 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling criterion v0.8.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/interior_pointer.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     let mut interior_ptr: *const u64;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rudo_gc::set_suspicious_sweep_detection`
[INFO] [stdout]    --> tests/tlab.rs:2:15
[INFO] [stdout]     |
[INFO] [stdout]   2 | use rudo_gc::{set_suspicious_sweep_detection, Gc};
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `set_suspicious_sweep_detection` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[cfg(feature = "debug-suspicious-sweep")]
[INFO] [stdout]     |       ---------------------------------- the item is gated behind the `debug-suspicious-sweep` feature
[INFO] [stdout] 106 | pub fn set_suspicious_sweep_detection(enabled: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudo-gc` (test "tlab") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a5ead9e8ddac7f8a0e96dfe8811719e9a79c88b31e3346736e77103d4fad8db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ead9e8ddac7f8a0e96dfe8811719e9a79c88b31e3346736e77103d4fad8db6", kill_on_drop: false }`
[INFO] [stdout] a5ead9e8ddac7f8a0e96dfe8811719e9a79c88b31e3346736e77103d4fad8db6
