[INFO] fetching crate dark-std 0.2.16...
[INFO] testing dark-std-0.2.16 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dark-std 0.2.16 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dark-std 0.2.16
[INFO] finished tweaking crates.io crate dark-std 0.2.16
[INFO] tweaked toml for crates.io crate dark-std 0.2.16 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dark-std 0.2.16 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 59 packages to latest compatible versions
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39551eb2b515bddbdea09335e129f76f6384adf8f034afc6b7274631bf97215c
[INFO] running `Command { std: "docker" "start" "-a" "39551eb2b515bddbdea09335e129f76f6384adf8f034afc6b7274631bf97215c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39551eb2b515bddbdea09335e129f76f6384adf8f034afc6b7274631bf97215c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39551eb2b515bddbdea09335e129f76f6384adf8f034afc6b7274631bf97215c", kill_on_drop: false }`
[INFO] [stdout] 39551eb2b515bddbdea09335e129f76f6384adf8f034afc6b7274631bf97215c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0b0549793a531337082d7bd83f1e08e78fb3e28dce825b7b6da3db226f950f
[INFO] running `Command { std: "docker" "start" "-a" "3e0b0549793a531337082d7bd83f1e08e78fb3e28dce825b7b6da3db226f950f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling dark-std v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "3e0b0549793a531337082d7bd83f1e08e78fb3e28dce825b7b6da3db226f950f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0b0549793a531337082d7bd83f1e08e78fb3e28dce825b7b6da3db226f950f", kill_on_drop: false }`
[INFO] [stdout] 3e0b0549793a531337082d7bd83f1e08e78fb3e28dce825b7b6da3db226f950f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12875578d5877375850d75532a318b97007c3b21e87637d31cb260aa7a509daa
[INFO] running `Command { std: "docker" "start" "-a" "12875578d5877375850d75532a318b97007c3b21e87637d31cb260aa7a509daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[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 v2.0.106
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling dark-std v0.2.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> tests/btree.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |     assert_eq!(2, *g.deref());
[INFO] [stdout]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.71s
[INFO] running `Command { std: "docker" "inspect" "12875578d5877375850d75532a318b97007c3b21e87637d31cb260aa7a509daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12875578d5877375850d75532a318b97007c3b21e87637d31cb260aa7a509daa", kill_on_drop: false }`
[INFO] [stdout] 12875578d5877375850d75532a318b97007c3b21e87637d31cb260aa7a509daa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 674d3ffbe934ba60441051dac38fbe3138fa6b622590b23d09876ac22e4a23bc
[INFO] running `Command { std: "docker" "start" "-a" "674d3ffbe934ba60441051dac38fbe3138fa6b622590b23d09876ac22e4a23bc", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]   --> tests/btree.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |     assert_eq!(2, *g.deref());
[INFO] [stderr]    |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dark-std` (test "btree") generated 1 warning (run `cargo fix --test "btree"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dark_std-560688fdabcb76c3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test defer::test::test_defer ... ok
[INFO] [stdout] test errors::test::test_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/btree.rs (/opt/rustwide/target/debug/deps/btree-819ed04c41f19007)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_get_mut_not_eq_key ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/defer.rs (/opt/rustwide/target/debug/deps/defer-d84405a390edd422)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_defer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hash_map.rs (/opt/rustwide/target/debug/deps/hash_map-e42bd57b70cd6bdc)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_get_mut_not_eq_key ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 18.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/index_map.rs (/opt/rustwide/target/debug/deps/index_map-9952c04c4a7fdcb8)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_insert2 ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.21s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_wg.rs (/opt/rustwide/target/debug/deps/test_wg-702b87231d9d0da5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_wg_zero ... ok
[INFO] [stdout] test test_wg ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-6334f42c54654c3d)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_debug ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_iter_mut ... ok
[INFO] [stdout] test test_macro2 ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_macro3 ... ok
[INFO] [stdout] test test_push2 ... ok
[INFO] [stdout] test test_push ... ok
[INFO] [stdout] test test_get_mut ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_remove ... ok
[INFO] [stdout] test test_remove2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.82s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dark_std
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/defer/mod.rs - defer::defer (line 16) ... ok
[INFO] [stdout] test src/sync/map_hash.rs - sync::map_hash::SyncHashMap<K,V>::get (line 147) ... ok
[INFO] [stdout] test src/sync/map_btree.rs - sync::map_btree::SyncBtreeMap<K,V>::get (line 150) ... ok
[INFO] [stdout] test src/sync/map_index.rs - sync::map_index::SyncIndexMap<K,V>::get (line 146) ... ok
[INFO] [stdout] test src/sync/wg.rs - sync::wg::WaitGroup (line 25) ... ok
[INFO] [stdout] test src/sync/wg.rs - sync::wg::WaitGroup (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "674d3ffbe934ba60441051dac38fbe3138fa6b622590b23d09876ac22e4a23bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674d3ffbe934ba60441051dac38fbe3138fa6b622590b23d09876ac22e4a23bc", kill_on_drop: false }`
[INFO] [stdout] 674d3ffbe934ba60441051dac38fbe3138fa6b622590b23d09876ac22e4a23bc