[INFO] fetching crate maelstrom-admin 0.14.0...
[INFO] checking maelstrom-admin-0.14.0 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate maelstrom-admin 0.14.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate maelstrom-admin 0.14.0
[INFO] finished tweaking crates.io crate maelstrom-admin 0.14.0
[INFO] tweaked toml for crates.io crate maelstrom-admin 0.14.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maelstrom-admin 0.14.0 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate maelstrom-admin 0.14.0 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 860e12dad640fc5aee9636041b7f4e6b45ef7fa1434ab02979dc695938a60df8
[INFO] running `Command { std: "docker" "start" "-a" "860e12dad640fc5aee9636041b7f4e6b45ef7fa1434ab02979dc695938a60df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860e12dad640fc5aee9636041b7f4e6b45ef7fa1434ab02979dc695938a60df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860e12dad640fc5aee9636041b7f4e6b45ef7fa1434ab02979dc695938a60df8", kill_on_drop: false }`
[INFO] [stdout] 860e12dad640fc5aee9636041b7f4e6b45ef7fa1434ab02979dc695938a60df8
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a89f3dbef607dbe8a44784d2d1034a2bd24a14a76f3b4f821b2de8ace71d1b94
[INFO] running `Command { std: "docker" "start" "-a" "a89f3dbef607dbe8a44784d2d1034a2bd24a14a76f3b4f821b2de8ace71d1b94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-core v0.1.3
[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling time-macros v0.2.20
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling azure_core v0.21.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling rustix v1.0.2
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking getrandom v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling fs-err v3.1.0
[INFO] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling quote-use-macros v0.7.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=0d61b12e48ac68f2 -C extra-filename=-12a5966f6c7c75fe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-3b07ee62b6910a08.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-756e876442dee363.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-8d88089869a627e9.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-aaef792239e5d7da.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-e7bd2ffb932e7c3a.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-011073701ea3a715.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-a8313380c25031b5.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-db1de871cd8706a6.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-336ee4618dc8a867.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a89f3dbef607dbe8a44784d2d1034a2bd24a14a76f3b4f821b2de8ace71d1b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89f3dbef607dbe8a44784d2d1034a2bd24a14a76f3b4f821b2de8ace71d1b94", kill_on_drop: false }`
[INFO] [stdout] a89f3dbef607dbe8a44784d2d1034a2bd24a14a76f3b4f821b2de8ace71d1b94