[INFO] cloning repository https://github.com/drnhsproject/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drnhsproject/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrnhsproject%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrnhsproject%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f08364d8bfa1aa7b264146e6d001e28ae50e5ee
[INFO] checking drnhsproject/rust-learn 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%2Fdrnhsproject%2Frust-learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/drnhsproject/rust-learn
[INFO] finished tweaking git repo https://github.com/drnhsproject/rust-learn
[INFO] tweaked toml for git repo https://github.com/drnhsproject/rust-learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/drnhsproject/rust-learn 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/drnhsproject/rust-learn 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1cbe4c0a6f865894c7082eec60800d644dead8eeb6ed6522c807f0f48bfd8401
[INFO] running `Command { std: "docker" "start" "-a" "1cbe4c0a6f865894c7082eec60800d644dead8eeb6ed6522c807f0f48bfd8401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cbe4c0a6f865894c7082eec60800d644dead8eeb6ed6522c807f0f48bfd8401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbe4c0a6f865894c7082eec60800d644dead8eeb6ed6522c807f0f48bfd8401", kill_on_drop: false }`
[INFO] [stdout] 1cbe4c0a6f865894c7082eec60800d644dead8eeb6ed6522c807f0f48bfd8401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 427b5d5e3dbb04f5c76192e09040ff8f0adc66241ac59f9b029aa7a411554489
[INFO] running `Command { std: "docker" "start" "-a" "427b5d5e3dbb04f5c76192e09040ff8f0adc66241ac59f9b029aa7a411554489", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling base64ct v1.8.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling pkcs1 v0.7.5
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]    Compiling pest_generator v2.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking rsa v0.9.9
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]    Compiling pest_derive v2.8.4
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.0
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking shell-words v1.1.1
[INFO] [stderr]     Checking num-modular v0.6.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking ron v0.12.0
[INFO] [stderr]     Checking dialoguer v0.11.0
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking num-order v1.2.0
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking cargo_metadata v0.18.1
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking yaml-rust2 v0.10.4
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]    Compiling validator_derive v0.20.0
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking clap_complete v4.5.61
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking thread-id v5.0.0
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking jiff v0.2.16
[INFO] [stderr]     Checking arcstr v1.2.0
[INFO] [stderr]     Checking mock_instant v0.6.0
[INFO] [stderr]     Checking derive_more v2.1.0
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking handlebars v6.3.2
[INFO] [stderr]     Checking config v0.15.19
[INFO] [stderr]     Checking goodbye v0.1.0 (/opt/rustwide/workdir/goodbye)
[INFO] [stderr]     Checking validator v0.20.0
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.48.0/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=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="fs"' --cfg 'feature="full"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="parking_lot"' --cfg 'feature="process"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=fb2736f3a6a10fa4 -C extra-filename=-255a4bb2ef0cf33e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1733fcdb13354ed1.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-61c8ff19ef2481c9.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-51d39cb82c91a204.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-9554bd2ccc909bb5.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-dccf8aabedbf6d41.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-83188e9cdf3717c5.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-0287a62d3f4f7201.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-4fad3ed05539e586.so --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" "427b5d5e3dbb04f5c76192e09040ff8f0adc66241ac59f9b029aa7a411554489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427b5d5e3dbb04f5c76192e09040ff8f0adc66241ac59f9b029aa7a411554489", kill_on_drop: false }`
[INFO] [stdout] 427b5d5e3dbb04f5c76192e09040ff8f0adc66241ac59f9b029aa7a411554489