[INFO] fetching crate oxygengine-pws 0.20.0...
[INFO] testing oxygengine-pws-0.20.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate oxygengine-pws 0.20.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate oxygengine-pws 0.20.0 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 oxygengine-pws 0.20.0
[INFO] finished tweaking crates.io crate oxygengine-pws 0.20.0
[INFO] tweaked toml for crates.io crate oxygengine-pws 0.20.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate oxygengine-pws 0.20.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 0b38dfaffe7b9ad45c17ddf2dbd9a404c655970da64be676ed672522f0cc591b
[INFO] running `Command { std: "docker" "start" "-a" "0b38dfaffe7b9ad45c17ddf2dbd9a404c655970da64be676ed672522f0cc591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b38dfaffe7b9ad45c17ddf2dbd9a404c655970da64be676ed672522f0cc591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b38dfaffe7b9ad45c17ddf2dbd9a404c655970da64be676ed672522f0cc591b", kill_on_drop: false }`
[INFO] [stdout] 0b38dfaffe7b9ad45c17ddf2dbd9a404c655970da64be676ed672522f0cc591b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 3923907364c922f53792525648aebf2266ce2edae29da05e2504dbfa5b439844
[INFO] running `Command { std: "docker" "start" "-a" "3923907364c922f53792525648aebf2266ce2edae29da05e2504dbfa5b439844", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling minifb v0.19.3
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling noise v0.7.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[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-1.0.73/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=c7f173cc70fcc4ec -C extra-filename=-c7f173cc70fcc4ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-636568e891c13334.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c7449b38a6935064.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" "3923907364c922f53792525648aebf2266ce2edae29da05e2504dbfa5b439844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3923907364c922f53792525648aebf2266ce2edae29da05e2504dbfa5b439844", kill_on_drop: false }`
[INFO] [stdout] 3923907364c922f53792525648aebf2266ce2edae29da05e2504dbfa5b439844