[INFO] fetching crate covert-kv 0.1.3...
[INFO] testing covert-kv-0.1.3 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate covert-kv 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate covert-kv 0.1.3
[INFO] finished tweaking crates.io crate covert-kv 0.1.3
[INFO] tweaked toml for crates.io crate covert-kv 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate covert-kv 0.1.3 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 337 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rust-embed v6.8.1 (available: v8.11.0)
[INFO] [stderr]       Adding sqlx v0.6.3 (available: v0.8.6)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding tracing-error v0.1.2 (available: v0.2.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.22.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3443422147fbef32a2e95a9aab0da1e66afef4ec1614bb84a77369eb7894a3ab
[INFO] running `Command { std: "docker" "start" "-a" "3443422147fbef32a2e95a9aab0da1e66afef4ec1614bb84a77369eb7894a3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3443422147fbef32a2e95a9aab0da1e66afef4ec1614bb84a77369eb7894a3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3443422147fbef32a2e95a9aab0da1e66afef4ec1614bb84a77369eb7894a3ab", kill_on_drop: false }`
[INFO] [stdout] 3443422147fbef32a2e95a9aab0da1e66afef4ec1614bb84a77369eb7894a3ab
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 191ce7cf6d733b8c85cf65cc8b756c37c9240ed07ff4f1bd7b5718928cfca5ed
[INFO] running `Command { std: "docker" "start" "-a" "191ce7cf6d733b8c85cf65cc8b756c37c9240ed07ff4f1bd7b5718928cfca5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling unicode-properties v0.1.4
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling whoami v1.6.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling sqlparser v0.28.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling matchit v0.6.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling sqlformat v0.2.6
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rust-embed-impl v6.8.1
[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/beta-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=84590e27918d131a -C extra-filename=-3529f873faedaa57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-154be7f81f34ed1b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a87dd5cb7e80719c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-86faa6b6bcc5b157.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "191ce7cf6d733b8c85cf65cc8b756c37c9240ed07ff4f1bd7b5718928cfca5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "191ce7cf6d733b8c85cf65cc8b756c37c9240ed07ff4f1bd7b5718928cfca5ed", kill_on_drop: false }`
[INFO] [stdout] 191ce7cf6d733b8c85cf65cc8b756c37c9240ed07ff4f1bd7b5718928cfca5ed
