[INFO] fetching crate twenty-first 0.50.0...
[INFO] testing twenty-first-0.50.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate twenty-first 0.50.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate twenty-first 0.50.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate twenty-first 0.50.0
[INFO] tweaked toml for crates.io crate twenty-first 0.50.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twenty-first 0.50.0 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] crate crates.io crate twenty-first 0.50.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b42962891777e1cd0bf2b7aaf464dccd31ff4ed6a72d061b4a41572ac9309b4e
[INFO] running `Command { std: "docker" "start" "-a" "b42962891777e1cd0bf2b7aaf464dccd31ff4ed6a72d061b4a41572ac9309b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42962891777e1cd0bf2b7aaf464dccd31ff4ed6a72d061b4a41572ac9309b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42962891777e1cd0bf2b7aaf464dccd31ff4ed6a72d061b4a41572ac9309b4e", kill_on_drop: false }`
[INFO] [stdout] b42962891777e1cd0bf2b7aaf464dccd31ff4ed6a72d061b4a41572ac9309b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2be0d76faa3b3539b085a6dc2fcb49ca4c6a66e7e100a393f9e7493e99bfdebe
[INFO] running `Command { std: "docker" "start" "-a" "2be0d76faa3b3539b085a6dc2fcb49ca4c6a66e7e100a393f9e7493e99bfdebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling phf_generator v0.12.1
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]    Compiling quote-use-macros v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling derive-where v1.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling derive_arbitrary v1.4.1
[INFO] [stderr]    Compiling phf_macros v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling bfieldcodec_derive v0.7.0
[INFO] [stderr]    Compiling quote-use v0.8.4
[INFO] [stderr]    Compiling attribute-derive-macro v0.10.3
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling phf v0.12.1
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling attribute-derive v0.10.3
[INFO] [stderr]    Compiling get-size-derive2 v0.5.1
[INFO] [stderr]    Compiling get-size2 v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling twenty-first v0.50.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "2be0d76faa3b3539b085a6dc2fcb49ca4c6a66e7e100a393f9e7493e99bfdebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be0d76faa3b3539b085a6dc2fcb49ca4c6a66e7e100a393f9e7493e99bfdebe", kill_on_drop: false }`
[INFO] [stdout] 2be0d76faa3b3539b085a6dc2fcb49ca4c6a66e7e100a393f9e7493e99bfdebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 379fa23cf480e8c67a6c3690583bc618e778e9fa7c6ea21d1054e79e27be2a5f
[INFO] running `Command { std: "docker" "start" "-a" "379fa23cf480e8c67a6c3690583bc618e778e9fa7c6ea21d1054e79e27be2a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling structmeta-derive v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling structmeta v0.3.0
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling test-strategy v0.4.1
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling twenty-first v0.50.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proptest-arbitrary-interop v0.1.0
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling trybuild v1.0.105
[INFO] [stderr] error: could not compile `twenty-first` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name twenty_first --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(coverage_nightly)' --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=8df992297af70d3a -C extra-filename=-adc84f2afd03d24b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arbitrary=/opt/rustwide/target/debug/deps/libarbitrary-48c359bcb1bfdbf7.rlib --extern bfieldcodec_derive=/opt/rustwide/target/debug/deps/libbfieldcodec_derive-ff8b6147d956634f.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-e59b40fb18194993.rlib --extern blake3=/opt/rustwide/target/debug/deps/libblake3-d9f30ac476a452be.rlib --extern cargo_husky=/opt/rustwide/target/debug/deps/libcargo_husky-a05f32c8feb838bf.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-57889ed59b3dd3a0.rlib --extern get_size2=/opt/rustwide/target/debug/deps/libget_size2-9a8b217785f65b1e.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-13e08b3b00984ab7.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0dfe3b49e26bab2a.rlib --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-a615a2239e11d41b.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c445de6622136476.rlib --extern phf=/opt/rustwide/target/debug/deps/libphf-f42c3892452c779e.rlib --extern proptest=/opt/rustwide/target/debug/deps/libproptest-7a4ca8e073b52f0f.rlib --extern proptest_arbitrary_interop=/opt/rustwide/target/debug/deps/libproptest_arbitrary_interop-d543a57dbe309a40.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-e3fda67af1d4addf.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-874a60ad382c3868.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a24fdf738e110f04.rlib --extern serde_big_array=/opt/rustwide/target/debug/deps/libserde_big_array-b19fc72db24ddaac.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f615f2c4415985be.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-61e97089d35a3d89.rlib --extern sha3=/opt/rustwide/target/debug/deps/libsha3-ff04657344664a10.rlib --extern test_strategy=/opt/rustwide/target/debug/deps/libtest_strategy-b4b057eb8ec81225.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e0d1dd0546ef25ae.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-6fe490fda45ac310.rlib --extern zeroize=/opt/rustwide/target/debug/deps/libzeroize-666207d5da4b221a.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/blake3-8c8f41bba03f998b/out -L native=/opt/rustwide/target/debug/build/blake3-8c8f41bba03f998b/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "379fa23cf480e8c67a6c3690583bc618e778e9fa7c6ea21d1054e79e27be2a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379fa23cf480e8c67a6c3690583bc618e778e9fa7c6ea21d1054e79e27be2a5f", kill_on_drop: false }`
[INFO] [stdout] 379fa23cf480e8c67a6c3690583bc618e778e9fa7c6ea21d1054e79e27be2a5f