[INFO] fetching crate df-plugin 0.3.18...
[INFO] checking df-plugin-0.3.18 against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] extracting crate df-plugin 0.3.18 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate df-plugin 0.3.18
[INFO] finished tweaking crates.io crate df-plugin 0.3.18
[INFO] tweaked toml for crates.io crate df-plugin 0.3.18 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate df-plugin 0.3.18 on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 374 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding termcolor v1.1.3 (available: v1.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df83f5a74e0a6044983145016b6fe0f18a6cb5a11d47de9306504d41fae3bd7
[INFO] running `Command { std: "docker" "start" "-a" "3df83f5a74e0a6044983145016b6fe0f18a6cb5a11d47de9306504d41fae3bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df83f5a74e0a6044983145016b6fe0f18a6cb5a11d47de9306504d41fae3bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df83f5a74e0a6044983145016b6fe0f18a6cb5a11d47de9306504d41fae3bd7", kill_on_drop: false }`
[INFO] [stdout] 3df83f5a74e0a6044983145016b6fe0f18a6cb5a11d47de9306504d41fae3bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df6f66bd98fefcae56bec8732b3aa67f50991e8aca578aac1a44e538eebfb682
[INFO] running `Command { std: "docker" "start" "-a" "df6f66bd98fefcae56bec8732b3aa67f50991e8aca578aac1a44e538eebfb682", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling frunk_core v0.4.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking time-core v0.1.6
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling sqlite3-src v0.5.1
[INFO] [stderr]    Compiling libdeflate-sys v0.11.0
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[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/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/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=e4cb1784da22e5e8 -C extra-filename=-9909e2f0c6d2a6cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de6dd437dfb273ce.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "df6f66bd98fefcae56bec8732b3aa67f50991e8aca578aac1a44e538eebfb682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6f66bd98fefcae56bec8732b3aa67f50991e8aca578aac1a44e538eebfb682", kill_on_drop: false }`
[INFO] [stdout] df6f66bd98fefcae56bec8732b3aa67f50991e8aca578aac1a44e538eebfb682