[INFO] fetching crate sludge 0.2.2...
[INFO] testing sludge-0.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sludge 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sludge 0.2.2
[INFO] finished tweaking crates.io crate sludge 0.2.2
[INFO] tweaked toml for crates.io crate sludge 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sludge 0.2.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sludge 0.2.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95fef19f4c46965337410929324f19620b525c1c9752d1b5b95008ca75a56bbb
[INFO] running `Command { std: "docker" "start" "-a" "95fef19f4c46965337410929324f19620b525c1c9752d1b5b95008ca75a56bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95fef19f4c46965337410929324f19620b525c1c9752d1b5b95008ca75a56bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fef19f4c46965337410929324f19620b525c1c9752d1b5b95008ca75a56bbb", kill_on_drop: false }`
[INFO] [stdout] 95fef19f4c46965337410929324f19620b525c1c9752d1b5b95008ca75a56bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5cfde49f5863300e904281a83bd680a4377fc1cd52ae3dde5ab237d64b5b62f
[INFO] running `Command { std: "docker" "start" "-a" "f5cfde49f5863300e904281a83bd680a4377fc1cd52ae3dde5ab237d64b5b62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling indexmap v2.13.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling aws-lc-rs v1.16.2
[INFO] [stderr]    Compiling cfg-expr v0.20.7
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling i_float v1.15.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling i_shape v1.14.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling i_key_sort v0.6.0
[INFO] [stderr]    Compiling robust v1.2.0
[INFO] [stderr]    Compiling i_tree v0.16.0
[INFO] [stderr]    Compiling toml_parser v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling uuid v1.23.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling spade v2.15.1
[INFO] [stderr]    Compiling i_overlay v4.0.7
[INFO] [stderr]    Compiling geographiclib-rs v0.2.7
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling toml v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling system-deps v7.0.8
[INFO] [stderr]    Compiling float_next_after v1.0.0
[INFO] [stderr]    Compiling earcutr v0.4.3
[INFO] [stderr]    Compiling rust_decimal v1.41.0
[INFO] [stderr]    Compiling aws-lc-sys v0.39.1
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling webpki-roots v1.0.6
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling endi v1.1.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling glib-sys v0.22.3
[INFO] [stderr]    Compiling gobject-sys v0.22.0
[INFO] [stderr]    Compiling gio-sys v0.22.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.22.0
[INFO] [stderr]    Compiling pango-sys v0.22.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.22.0
[INFO] [stderr]    Compiling graphene-sys v0.22.0
[INFO] [stderr]    Compiling gdk4-sys v0.11.2
[INFO] [stderr]    Compiling gsk4-sys v0.11.1
[INFO] [stderr]    Compiling gtk4-sys v0.11.2
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling sif-itree v0.4.1
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling rmp v0.8.15
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling seize v0.5.1
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling twox-hash v2.1.2
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling fastnum v0.7.4
[INFO] [stderr]    Compiling lz4_flex v0.12.1
[INFO] [stderr]    Compiling papaya v0.2.4
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling ndarray v0.17.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libadwaita-sys v0.9.1
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling blowfish v0.9.1
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling noisy_float v0.2.1
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.2.0
[INFO] [stderr]    Compiling bnum v0.12.1
[INFO] [stderr]    Compiling deunicode v1.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling surrealdb-core v3.0.5
[INFO] [stderr]    Compiling trice v0.4.0
[INFO] [stderr]    Compiling integer-encoding v4.1.0
[INFO] [stderr]    Compiling dmp v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lexicmp v0.2.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling bcrypt v0.18.0
[INFO] [stderr]    Compiling scrypt v0.11.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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 -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=6b99b17816b1d5ff -C extra-filename=-0afe7e5ef3324776 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90c979ef395d2fde.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e7da784e1a6aaae7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-499e208ff65c691c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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=a88a943bfb17546c -C extra-filename=-a422430744b16e54 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90c979ef395d2fde.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e7da784e1a6aaae7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-499e208ff65c691c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f5cfde49f5863300e904281a83bd680a4377fc1cd52ae3dde5ab237d64b5b62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cfde49f5863300e904281a83bd680a4377fc1cd52ae3dde5ab237d64b5b62f", kill_on_drop: false }`
[INFO] [stdout] f5cfde49f5863300e904281a83bd680a4377fc1cd52ae3dde5ab237d64b5b62f
