[INFO] fetching crate wgrepp 0.1.0...
[INFO] testing wgrepp-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate wgrepp 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wgrepp 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wgrepp 0.1.0
[INFO] finished tweaking crates.io crate wgrepp 0.1.0
[INFO] tweaked toml for crates.io crate wgrepp 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.1
[INFO] [stderr]   Downloaded petgraph v0.6.0
[INFO] [stderr]   Downloaded wgpu-hal v0.10.7
[INFO] [stderr]   Downloaded wgpu v0.10.2
[INFO] [stderr]   Downloaded ash v0.33.3+1.2.191
[INFO] [stderr]   Downloaded shaderc v0.7.4
[INFO] [stderr]   Downloaded wgpu-core v0.10.4
[INFO] [stderr]   Downloaded naga v0.6.3
[INFO] [stderr]   Downloaded shaderc-sys v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5931c0ce118bbf19f362220595491a8bd4eb4a83d5141b9e2847dbdfb17eec4
[INFO] running `Command { std: "docker" "start" "-a" "a5931c0ce118bbf19f362220595491a8bd4eb4a83d5141b9e2847dbdfb17eec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5931c0ce118bbf19f362220595491a8bd4eb4a83d5141b9e2847dbdfb17eec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5931c0ce118bbf19f362220595491a8bd4eb4a83d5141b9e2847dbdfb17eec4", kill_on_drop: false }`
[INFO] [stdout] a5931c0ce118bbf19f362220595491a8bd4eb4a83d5141b9e2847dbdfb17eec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4215705fbd1923b78dd24b0f5def1c684815f2c10ca6102aa1bbf54545f58b3c
[INFO] running `Command { std: "docker" "start" "-a" "4215705fbd1923b78dd24b0f5def1c684815f2c10ca6102aa1bbf54545f58b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling shaderc-sys v0.7.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr] error: could not compile `num-bigint`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_bigint --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.3/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="std"' -C metadata=ce03064ac115d236 -C extra-filename=-ce03064ac115d236 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-d54e518cdf45864d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-affa5622bfdde380.rmeta --cap-lints allow --cap-lints=warn --cfg u64_digit --cfg has_try_from --cfg use_addcarry` (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" "4215705fbd1923b78dd24b0f5def1c684815f2c10ca6102aa1bbf54545f58b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4215705fbd1923b78dd24b0f5def1c684815f2c10ca6102aa1bbf54545f58b3c", kill_on_drop: false }`
[INFO] [stdout] 4215705fbd1923b78dd24b0f5def1c684815f2c10ca6102aa1bbf54545f58b3c