[INFO] fetching crate rfw 0.1.0...
[INFO] testing rfw-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rfw 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rfw 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rfw 0.1.0
[INFO] finished tweaking crates.io crate rfw 0.1.0
[INFO] tweaked toml for crates.io crate rfw 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1facd45c9a5615cea0f47b2990faca085f474408a3969dd8889391c8429d5c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1facd45c9a5615cea0f47b2990faca085f474408a3969dd8889391c8429d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1facd45c9a5615cea0f47b2990faca085f474408a3969dd8889391c8429d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1facd45c9a5615cea0f47b2990faca085f474408a3969dd8889391c8429d5c9", kill_on_drop: false }`
[INFO] [stdout] a1facd45c9a5615cea0f47b2990faca085f474408a3969dd8889391c8429d5c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a86c2213a2a14c5c0f8d781c56e315e582ae83058d44416c98c9bd81776d4d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a86c2213a2a14c5c0f8d781c56e315e582ae83058d44416c98c9bd81776d4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling tobj v1.0.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling glam v0.11.3
[INFO] [stderr]    Compiling shaderc-sys v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr] error: could not compile `bitvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitvec-0.19.4/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="alloc"' --cfg 'feature="atomic"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=220ac379906ff978 -C extra-filename=-220ac379906ff978 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern funty=/opt/rustwide/target/debug/deps/libfunty-26fd5f50063ace73.rmeta --extern radium=/opt/rustwide/target/debug/deps/libradium-b32bd4bc78615457.rmeta --extern tap=/opt/rustwide/target/debug/deps/libtap-02b3e74ed09d5b6b.rmeta --extern wyz=/opt/rustwide/target/debug/deps/libwyz-e96f6cac1a841180.rmeta --cap-lints allow --cap-lints=warn` (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: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6a86c2213a2a14c5c0f8d781c56e315e582ae83058d44416c98c9bd81776d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a86c2213a2a14c5c0f8d781c56e315e582ae83058d44416c98c9bd81776d4d5", kill_on_drop: false }`
[INFO] [stdout] 6a86c2213a2a14c5c0f8d781c56e315e582ae83058d44416c98c9bd81776d4d5