[INFO] fetching crate fc-db 1.0.0...
[INFO] checking fc-db-1.0.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fc-db 1.0.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate fc-db 1.0.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fc-db 1.0.0
[INFO] finished tweaking crates.io crate fc-db 1.0.0
[INFO] tweaked toml for crates.io crate fc-db 1.0.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dff9de2f060c114480f578196ae34133d09a9445cdd1852accb338770380290d
[INFO] running `Command { std: "docker" "start" "-a" "dff9de2f060c114480f578196ae34133d09a9445cdd1852accb338770380290d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dff9de2f060c114480f578196ae34133d09a9445cdd1852accb338770380290d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff9de2f060c114480f578196ae34133d09a9445cdd1852accb338770380290d", kill_on_drop: false }`
[INFO] [stdout] dff9de2f060c114480f578196ae34133d09a9445cdd1852accb338770380290d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17cfc1f5926fceb8b60e023e0f627ceff68fce11b47c22ec73a619694c4def38
[INFO] running `Command { std: "docker" "start" "-a" "17cfc1f5926fceb8b60e023e0f627ceff68fce11b47c22ec73a619694c4def38", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking byte-slice-cast v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libloading v0.7.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking fs-swap v0.2.6
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking uint v0.9.1
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.80/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=529ca013bccfcc6a -C extra-filename=-529ca013bccfcc6a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2541c4d7ea53f348.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4db7358a1768f271.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17cfc1f5926fceb8b60e023e0f627ceff68fce11b47c22ec73a619694c4def38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17cfc1f5926fceb8b60e023e0f627ceff68fce11b47c22ec73a619694c4def38", kill_on_drop: false }`
[INFO] [stdout] 17cfc1f5926fceb8b60e023e0f627ceff68fce11b47c22ec73a619694c4def38
