[INFO] cloning repository https://github.com/Xirloner/rust-stack-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xirloner/rust-stack-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXirloner%2Frust-stack-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXirloner%2Frust-stack-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3057cd26edc2944ee503e0e1d668b95b31af78
[INFO] checking Xirloner/rust-stack-training against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXirloner%2Frust-stack-training" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Xirloner/rust-stack-training
[INFO] finished tweaking git repo https://github.com/Xirloner/rust-stack-training
[INFO] tweaked toml for git repo https://github.com/Xirloner/rust-stack-training written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xirloner/rust-stack-training 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 git repo https://github.com/Xirloner/rust-stack-training 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] 909b0a1fdbe1d6ec505e81dbc9f05963fed209e51320c03bf4ce5d4b42bdb15b
[INFO] running `Command { std: "docker" "start" "-a" "909b0a1fdbe1d6ec505e81dbc9f05963fed209e51320c03bf4ce5d4b42bdb15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909b0a1fdbe1d6ec505e81dbc9f05963fed209e51320c03bf4ce5d4b42bdb15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909b0a1fdbe1d6ec505e81dbc9f05963fed209e51320c03bf4ce5d4b42bdb15b", kill_on_drop: false }`
[INFO] [stdout] 909b0a1fdbe1d6ec505e81dbc9f05963fed209e51320c03bf4ce5d4b42bdb15b
[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] 6bd504b7cd68751b4e4c8e8737d16b35797de3309379a8087484b59d8cbb1efd
[INFO] running `Command { std: "docker" "start" "-a" "6bd504b7cd68751b4e4c8e8737d16b35797de3309379a8087484b59d8cbb1efd", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling cc v1.2.21
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking hashbrown v0.15.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]    Compiling rust_decimal v1.37.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling inherent v1.0.12
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]    Compiling openssl-sys v0.9.108
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[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="default"' --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=eb5f2e58fa979765 -C extra-filename=-5a828dda437b426e --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-7903d754abf86479.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" "6bd504b7cd68751b4e4c8e8737d16b35797de3309379a8087484b59d8cbb1efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd504b7cd68751b4e4c8e8737d16b35797de3309379a8087484b59d8cbb1efd", kill_on_drop: false }`
[INFO] [stdout] 6bd504b7cd68751b4e4c8e8737d16b35797de3309379a8087484b59d8cbb1efd