[INFO] fetching crate licensebat-dart 0.0.8...
[INFO] testing licensebat-dart-0.0.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate licensebat-dart 0.0.8 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate licensebat-dart 0.0.8 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate licensebat-dart 0.0.8
[INFO] finished tweaking crates.io crate licensebat-dart 0.0.8
[INFO] tweaked toml for crates.io crate licensebat-dart 0.0.8 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6c14cb46e06b8f49e0ffb4dc3ecf85ff7deb58f2b5cb2244286b5822735956d
[INFO] running `Command { std: "docker" "start" "-a" "e6c14cb46e06b8f49e0ffb4dc3ecf85ff7deb58f2b5cb2244286b5822735956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6c14cb46e06b8f49e0ffb4dc3ecf85ff7deb58f2b5cb2244286b5822735956d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c14cb46e06b8f49e0ffb4dc3ecf85ff7deb58f2b5cb2244286b5822735956d", kill_on_drop: false }`
[INFO] [stdout] e6c14cb46e06b8f49e0ffb4dc3ecf85ff7deb58f2b5cb2244286b5822735956d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff40109ea827981f8690ddf7a274c07eedd7d41f701e74070d541052bbfef750
[INFO] running `Command { std: "docker" "start" "-a" "ff40109ea827981f8690ddf7a274c07eedd7d41f701e74070d541052bbfef750", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling zstd-safe v5.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[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-1.0.91/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="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=2e4b2517558d45fb -C extra-filename=-2e4b2517558d45fb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb2897dcb479b629.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6e47dd3f693995db.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] running `Command { std: "docker" "inspect" "ff40109ea827981f8690ddf7a274c07eedd7d41f701e74070d541052bbfef750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff40109ea827981f8690ddf7a274c07eedd7d41f701e74070d541052bbfef750", kill_on_drop: false }`
[INFO] [stdout] ff40109ea827981f8690ddf7a274c07eedd7d41f701e74070d541052bbfef750