[INFO] fetching crate mewt 1.0.0...
[INFO] checking mewt-1.0.0 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate mewt 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mewt 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mewt 1.0.0
[INFO] tweaked toml for crates.io crate mewt 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mewt 1.0.0 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 mewt 1.0.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 68b2b0558931eaf8fadba61ef2c117459f645dd41a398cdc816d9e04440b2650
[INFO] running `Command { std: "docker" "start" "-a" "68b2b0558931eaf8fadba61ef2c117459f645dd41a398cdc816d9e04440b2650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b2b0558931eaf8fadba61ef2c117459f645dd41a398cdc816d9e04440b2650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b2b0558931eaf8fadba61ef2c117459f645dd41a398cdc816d9e04440b2650", kill_on_drop: false }`
[INFO] [stdout] 68b2b0558931eaf8fadba61ef2c117459f645dd41a398cdc816d9e04440b2650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cf38140597741301960dbd41df8cd5b9217a3648fcd4c001f4a2483ee53c6815
[INFO] running `Command { std: "docker" "start" "-a" "cf38140597741301960dbd41df8cd5b9217a3648fcd4c001f4a2483ee53c6815", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.0
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking console v0.16.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling mewt v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking tree-sitter-language v0.1.5
[INFO] [stderr]     Checking unit-prefix v0.5.1
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking fern v0.7.1
[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-2.0.101/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=47ff3a8755f1a8b0 -C extra-filename=-9193fad60b9a6598 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "cf38140597741301960dbd41df8cd5b9217a3648fcd4c001f4a2483ee53c6815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf38140597741301960dbd41df8cd5b9217a3648fcd4c001f4a2483ee53c6815", kill_on_drop: false }`
[INFO] [stdout] cf38140597741301960dbd41df8cd5b9217a3648fcd4c001f4a2483ee53c6815