[INFO] updating cached repository https://github.com/HalfVoxel/drawing-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5807cb99dd0706fd9b6f5fef62b0fcdb524f460
[INFO] testing HalfVoxel/drawing-rs against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHalfVoxel%2Fdrawing-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HalfVoxel/drawing-rs on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-chain from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-command from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-descriptor from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-factory from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-frame from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-graph from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-memory from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-mesh from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-resource from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-shader from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-texture from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-util from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] removed path dependency rendy-wsi from git repo https://github.com/HalfVoxel/drawing-rs
[INFO] finished tweaking git repo https://github.com/HalfVoxel/drawing-rs
[INFO] tweaked toml for git repo https://github.com/HalfVoxel/drawing-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/HalfVoxel/drawing-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 568595bf4173e41c1717b1e03ee248e63eef62851e1d3bdf33ea86e4184a4fbf
[INFO] running `"docker" "start" "-a" "568595bf4173e41c1717b1e03ee248e63eef62851e1d3bdf33ea86e4184a4fbf"`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling spirv-reflect v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling shaderc-sys v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling spirv_headers v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling relevant v0.4.2
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=f742d5afce0fe3ce -C extra-filename=-f742d5afce0fe3ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-83dd46554a579751.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f46bba891338d68a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ff4fcdd9189ddc82.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "568595bf4173e41c1717b1e03ee248e63eef62851e1d3bdf33ea86e4184a4fbf"`
[INFO] running `"docker" "rm" "-f" "568595bf4173e41c1717b1e03ee248e63eef62851e1d3bdf33ea86e4184a4fbf"`
[INFO] [stdout] 568595bf4173e41c1717b1e03ee248e63eef62851e1d3bdf33ea86e4184a4fbf