[INFO] cloning repository https://github.com/flarocca/distributed_system_challlenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flarocca/distributed_system_challlenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflarocca%2Fdistributed_system_challlenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflarocca%2Fdistributed_system_challlenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ba746ebb5279681ac6eb168da0471e3265ddddf
[INFO] checking flarocca/distributed_system_challlenges 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%2Fflarocca%2Fdistributed_system_challlenges" "/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/flarocca/distributed_system_challlenges
[INFO] finished tweaking git repo https://github.com/flarocca/distributed_system_challlenges
[INFO] tweaked toml for git repo https://github.com/flarocca/distributed_system_challlenges written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flarocca/distributed_system_challlenges 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/flarocca/distributed_system_challlenges 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-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] c7c13f36c4eee16417834ce0f0b25e9dce47f63c25668916427b4abc1e55007e
[INFO] running `Command { std: "docker" "start" "-a" "c7c13f36c4eee16417834ce0f0b25e9dce47f63c25668916427b4abc1e55007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c13f36c4eee16417834ce0f0b25e9dce47f63c25668916427b4abc1e55007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c13f36c4eee16417834ce0f0b25e9dce47f63c25668916427b4abc1e55007e", kill_on_drop: false }`
[INFO] [stdout] c7c13f36c4eee16417834ce0f0b25e9dce47f63c25668916427b4abc1e55007e
[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] 512516f7cb8cf393d6b61a2bc60d9e6f33f50c86230b0a57e3d139cfc0db186a
[INFO] running `Command { std: "docker" "start" "-a" "512516f7cb8cf393d6b61a2bc60d9e6f33f50c86230b0a57e3d139cfc0db186a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking redis v0.29.5
[INFO] [stderr] error: could not compile `redis` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name redis --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/redis-0.29.5/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 --cfg 'feature="acl"' --cfg 'feature="default"' --cfg 'feature="geospatial"' --cfg 'feature="keep-alive"' --cfg 'feature="script"' --cfg 'feature="streams"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acl", "ahash", "aio", "async-std-comp", "async-std-native-tls-comp", "async-std-rustls-comp", "async-std-tls-comp", "bb8", "bigdecimal", "bytes", "cache-aio", "cluster", "cluster-async", "connection-manager", "default", "disable-client-setinfo", "geospatial", "hashbrown", "json", "keep-alive", "num-bigint", "r2d2", "rust_decimal", "script", "sentinel", "streams", "tcp_nodelay", "tls", "tls-native-tls", "tls-rustls", "tls-rustls-insecure", "tls-rustls-webpki-roots", "tokio-comp", "tokio-native-tls-comp", "tokio-rustls-comp", "uuid"))' -C metadata=d3e80850e572d9db -C extra-filename=-a5f28e596ee4d86a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-f45eb29086487d7e.rmeta --extern combine=/opt/rustwide/target/debug/deps/libcombine-73d3cb71c4d75d38.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-aa1c64fbdc4f12a7.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-ab86f5d1cecaccd7.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-70e4695576ffb191.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-e5cf39b0424d7e5c.rmeta --extern sha1_smol=/opt/rustwide/target/debug/deps/libsha1_smol-4e2b7f6914ec1690.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-b5191dae6af14ba4.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-e391a90b36dc5291.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "512516f7cb8cf393d6b61a2bc60d9e6f33f50c86230b0a57e3d139cfc0db186a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512516f7cb8cf393d6b61a2bc60d9e6f33f50c86230b0a57e3d139cfc0db186a", kill_on_drop: false }`
[INFO] [stdout] 512516f7cb8cf393d6b61a2bc60d9e6f33f50c86230b0a57e3d139cfc0db186a