[INFO] cloning repository https://github.com/youngday/easy_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youngday/easy_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoungday%2Feasy_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoungday%2Feasy_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a90b81e8df86e42bea2b46995041f9fbfba8dae0
[INFO] checking youngday/easy_example 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%2Fyoungday%2Feasy_example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/youngday/easy_example
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/youngday/easy_example
[INFO] tweaked toml for git repo https://github.com/youngday/easy_example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/youngday/easy_example 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/youngday/easy_example 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 734759c067bf4c2ac7d36a80d50db74bf6583972036a370892f93152b8d1d82c
[INFO] running `Command { std: "docker" "start" "-a" "734759c067bf4c2ac7d36a80d50db74bf6583972036a370892f93152b8d1d82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "734759c067bf4c2ac7d36a80d50db74bf6583972036a370892f93152b8d1d82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734759c067bf4c2ac7d36a80d50db74bf6583972036a370892f93152b8d1d82c", kill_on_drop: false }`
[INFO] [stdout] 734759c067bf4c2ac7d36a80d50db74bf6583972036a370892f93152b8d1d82c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6db4b5f313a646ab4f6fa299c42f1f1a8376bd4158f1fc65c51eb8c4c127acb3
[INFO] running `Command { std: "docker" "start" "-a" "6db4b5f313a646ab4f6fa299c42f1f1a8376bd4158f1fc65c51eb8c4c127acb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]     Checking rustls-pki-types v1.13.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking iceoryx2-pal-concurrency-sync v0.8.0
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking zmij v1.0.0
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rustls v0.23.35
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking iceoryx2-bb-elementary-traits v0.8.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling iceoryx2-pal-configuration v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking iceoryx2-log-types v0.8.0
[INFO] [stderr]     Checking iceoryx2-bb-concurrency v0.8.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling iceoryx2-bb-elementary v0.8.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.35.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking iceoryx2-log v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=a8d37ba625ae7c8b -C extra-filename=-1a032fadb85bd36a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0857234c7afb9dee.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ce6644e18674a5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "6db4b5f313a646ab4f6fa299c42f1f1a8376bd4158f1fc65c51eb8c4c127acb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db4b5f313a646ab4f6fa299c42f1f1a8376bd4158f1fc65c51eb8c4c127acb3", kill_on_drop: false }`
[INFO] [stdout] 6db4b5f313a646ab4f6fa299c42f1f1a8376bd4158f1fc65c51eb8c4c127acb3