[INFO] fetching crate rendy 0.5.1...
[INFO] testing rendy-0.5.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rendy 0.5.1 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate rendy 0.5.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rendy 0.5.1
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate rendy 0.5.1
[INFO] tweaked toml for crates.io crate rendy 0.5.1 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate rendy 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 727ebd299282d1c8c7c2c1fe6c2f211040f2b73bdf5898c9a2bd10ea90608efe
[INFO] running `Command { std: "docker" "start" "-a" "727ebd299282d1c8c7c2c1fe6c2f211040f2b73bdf5898c9a2bd10ea90608efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "727ebd299282d1c8c7c2c1fe6c2f211040f2b73bdf5898c9a2bd10ea90608efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727ebd299282d1c8c7c2c1fe6c2f211040f2b73bdf5898c9a2bd10ea90608efe", kill_on_drop: false }`
[INFO] [stdout] 727ebd299282d1c8c7c2c1fe6c2f211040f2b73bdf5898c9a2bd10ea90608efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68a73a1c5e8345e0eb5c892b1a2ae15c76aa98adbe6745b16c5dae55efbcb299
[INFO] running `Command { std: "docker" "start" "-a" "68a73a1c5e8345e0eb5c892b1a2ae15c76aa98adbe6745b16c5dae55efbcb299", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling hibitset v0.6.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling spirv-reflect v0.2.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling num-derive v0.1.44
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rendy-memory v0.5.2
[INFO] [stderr]    Compiling rendy-descriptor v0.5.1
[INFO] [stderr]    Compiling spirv_headers v1.3.4
[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-1.0.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=beffec49c03c3649 -C extra-filename=-beffec49c03c3649 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-75b011eb709d6709.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a4a804bef2b7a2b7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e5d6ef4cd3d3c00f.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] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68a73a1c5e8345e0eb5c892b1a2ae15c76aa98adbe6745b16c5dae55efbcb299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a73a1c5e8345e0eb5c892b1a2ae15c76aa98adbe6745b16c5dae55efbcb299", kill_on_drop: false }`
[INFO] [stdout] 68a73a1c5e8345e0eb5c892b1a2ae15c76aa98adbe6745b16c5dae55efbcb299
