[INFO] fetching crate cetk 0.1.0...
[INFO] checking cetk-0.1.0 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate cetk 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cetk 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cetk 0.1.0
[INFO] tweaked toml for crates.io crate cetk 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cetk 0.1.0 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 cetk 0.1.0 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-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] 91969550ceece2d24d30627b3b5de944f90c775fa08e6ff0810ed8e4e1e9a4fc
[INFO] running `Command { std: "docker" "start" "-a" "91969550ceece2d24d30627b3b5de944f90c775fa08e6ff0810ed8e4e1e9a4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91969550ceece2d24d30627b3b5de944f90c775fa08e6ff0810ed8e4e1e9a4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91969550ceece2d24d30627b3b5de944f90c775fa08e6ff0810ed8e4e1e9a4fc", kill_on_drop: false }`
[INFO] [stdout] 91969550ceece2d24d30627b3b5de944f90c775fa08e6ff0810ed8e4e1e9a4fc
[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] 42edf9168c2c96cf27cdbc2f0a377505dd8d14ba57833e8fc2e5d31e67af2b8e
[INFO] running `Command { std: "docker" "start" "-a" "42edf9168c2c96cf27cdbc2f0a377505dd8d14ba57833e8fc2e5d31e67af2b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling buffertk v0.13.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling derive_util v0.5.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling rustls v0.23.33
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]     Checking sig_fig_histogram v0.6.0
[INFO] [stderr]     Checking biometrics v0.12.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling prototk_derive v0.13.0
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]     Checking zerror v0.8.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.12.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling clap_builder v4.5.50
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking webpki-roots v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking prototk v0.13.0
[INFO] [stderr]    Compiling itertools v0.13.0
[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-2.0.107/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=2d8fa4060db50da5 -C extra-filename=-b494dcadb8beb73d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-94d51c4c1ecfff08.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8e125f5f4c48c5a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-21aeb60f8cf32518.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" "42edf9168c2c96cf27cdbc2f0a377505dd8d14ba57833e8fc2e5d31e67af2b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42edf9168c2c96cf27cdbc2f0a377505dd8d14ba57833e8fc2e5d31e67af2b8e", kill_on_drop: false }`
[INFO] [stdout] 42edf9168c2c96cf27cdbc2f0a377505dd8d14ba57833e8fc2e5d31e67af2b8e