[INFO] fetching crate topk 0.5.0...
[INFO] testing topk-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate topk 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate topk 0.5.0
[INFO] finished tweaking crates.io crate topk 0.5.0
[INFO] tweaked toml for crates.io crate topk 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate topk 0.5.0 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 20 packages to latest compatible versions
[INFO] [stderr]       Adding priority-queue v1.4.0 (available: v2.7.0)
[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] 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] 3471df4b029ae7d4827071530b350277dd5b3df1df5bb274ef5918ef761a6dfc
[INFO] running `Command { std: "docker" "start" "-a" "3471df4b029ae7d4827071530b350277dd5b3df1df5bb274ef5918ef761a6dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3471df4b029ae7d4827071530b350277dd5b3df1df5bb274ef5918ef761a6dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3471df4b029ae7d4827071530b350277dd5b3df1df5bb274ef5918ef761a6dfc", kill_on_drop: false }`
[INFO] [stdout] 3471df4b029ae7d4827071530b350277dd5b3df1df5bb274ef5918ef761a6dfc
[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] f2106b7cba5ce2707f6b1090749d5d7ccbf3a0cb7da088b1aa31ad8d5998fc5e
[INFO] running `Command { std: "docker" "start" "-a" "f2106b7cba5ce2707f6b1090749d5d7ccbf3a0cb7da088b1aa31ad8d5998fc5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling topk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "f2106b7cba5ce2707f6b1090749d5d7ccbf3a0cb7da088b1aa31ad8d5998fc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2106b7cba5ce2707f6b1090749d5d7ccbf3a0cb7da088b1aa31ad8d5998fc5e", kill_on_drop: false }`
[INFO] [stdout] f2106b7cba5ce2707f6b1090749d5d7ccbf3a0cb7da088b1aa31ad8d5998fc5e
[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] 2a2e10a4f9b5cb5933b85e377bb50eeff4214de2e01d549031d0376ff8dcbb20
[INFO] running `Command { std: "docker" "start" "-a" "2a2e10a4f9b5cb5933b85e377bb50eeff4214de2e01d549031d0376ff8dcbb20", kill_on_drop: false }`
[INFO] [stderr]    Compiling topk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "2a2e10a4f9b5cb5933b85e377bb50eeff4214de2e01d549031d0376ff8dcbb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2e10a4f9b5cb5933b85e377bb50eeff4214de2e01d549031d0376ff8dcbb20", kill_on_drop: false }`
[INFO] [stdout] 2a2e10a4f9b5cb5933b85e377bb50eeff4214de2e01d549031d0376ff8dcbb20
[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] 5be57984a16a27b7a620c6544b417b7c2597f75724e167438f634d7b62b40b77
[INFO] running `Command { std: "docker" "start" "-a" "5be57984a16a27b7a620c6544b417b7c2597f75724e167438f634d7b62b40b77", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/topk-f8b6ef9e1c45bb31)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test topk::tests::test_decay ... ok
[INFO] [stdout] test topk::tests::test_clear ... ok
[INFO] [stdout] test topk::tests::test_merge ... ok
[INFO] [stdout] test topk::tests::test_merge_bad ... ok
[INFO] [stdout] test topk::tests::test_topk ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topk
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]  --> src/lib.rs:23:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut fss1 = FilteredSpaceSaving::new(3);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^ use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use topk::FilteredSpaceSaving;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]   --> src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | let mut fss2 = FilteredSpaceSaving::new(3);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^ use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  2 + use topk::FilteredSpaceSaving;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]  --> src/lib.rs:11:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut topk = FilteredSpaceSaving::new(3);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^ use of undeclared type `FilteredSpaceSaving`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use topk::FilteredSpaceSaving;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5be57984a16a27b7a620c6544b417b7c2597f75724e167438f634d7b62b40b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be57984a16a27b7a620c6544b417b7c2597f75724e167438f634d7b62b40b77", kill_on_drop: false }`
[INFO] [stdout] 5be57984a16a27b7a620c6544b417b7c2597f75724e167438f634d7b62b40b77