[INFO] fetching crate gfaas 0.3.0...
[INFO] testing gfaas-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate gfaas 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gfaas 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfaas 0.3.0
[INFO] finished tweaking crates.io crate gfaas 0.3.0
[INFO] tweaked toml for crates.io crate gfaas 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.10.4
[INFO] [stderr]   Downloaded cpu-time v1.0.0
[INFO] [stderr]   Downloaded cvt v0.1.1
[INFO] [stderr]   Downloaded wast v22.0.0
[INFO] [stderr]   Downloaded wasi-common v0.18.0
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded wiggle v0.18.0
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded wat v1.0.31
[INFO] [stderr]   Downloaded gfaas-macro v0.3.0
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.4
[INFO] [stderr]   Downloaded winx v0.18.0
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded regalloc v0.0.26
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded wig v0.18.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded target-lexicon v0.10.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.65.0
[INFO] [stderr]   Downloaded wasmtime v0.18.0
[INFO] [stderr]   Downloaded wast v30.0.0
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded object v0.18.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.65.0
[INFO] [stderr]   Downloaded ya-agreement-utils v0.1.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.18.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.65.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.18.0
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded serde_yaml v0.8.14
[INFO] [stderr]   Downloaded awc v1.0.1
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded ya-client v0.3.1
[INFO] [stderr]   Downloaded wasmtime-debug v0.18.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.65.0
[INFO] [stderr]   Downloaded witx v0.8.7
[INFO] [stderr]   Downloaded gftp v0.1.2
[INFO] [stderr]   Downloaded wasmtime-jit v0.18.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.65.0
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded wiggle-generate v0.18.0
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded envy v0.4.2
[INFO] [stderr]   Downloaded cranelift-wasm v0.65.0
[INFO] [stderr]   Downloaded more-asserts v0.2.1
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded wiggle-macro v0.18.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.18.0
[INFO] [stderr]   Downloaded ya-runtime-wasi v0.2.1
[INFO] [stderr]   Downloaded wasmtime-wasi v0.18.0
[INFO] [stderr]   Downloaded actix-macros v0.1.3
[INFO] [stderr]   Downloaded cranelift-native v0.65.0
[INFO] [stderr]   Downloaded yanix v0.18.0
[INFO] [stderr]   Downloaded yarapi v0.2.1
[INFO] [stderr]   Downloaded cranelift-entity v0.65.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06208116f9fe0288a9f3eaa1ec73939fd4ba9a028e9b59ff07015e90f415e97b
[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" "06208116f9fe0288a9f3eaa1ec73939fd4ba9a028e9b59ff07015e90f415e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06208116f9fe0288a9f3eaa1ec73939fd4ba9a028e9b59ff07015e90f415e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06208116f9fe0288a9f3eaa1ec73939fd4ba9a028e9b59ff07015e90f415e97b", kill_on_drop: false }`
[INFO] [stdout] 06208116f9fe0288a9f3eaa1ec73939fd4ba9a028e9b59ff07015e90f415e97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88b18185f0aded234d332afd189de89e1f888fe41fed87223f54652d9e04338c
[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" "88b18185f0aded234d332afd189de89e1f888fe41fed87223f54652d9e04338c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.65.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling wasmtime-environ v0.18.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling wasi-common v0.18.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling wasmtime-wasi v0.18.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling http v0.2.2
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling wast v22.0.0
[INFO] [stderr]    Compiling wast v30.0.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling regalloc v0.0.26
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling object v0.18.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling yanix v0.18.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr] error: could not compile `regalloc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regalloc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regalloc-0.0.26/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="default"' -C metadata=e13200d3e2edce10 -C extra-filename=-e13200d3e2edce10 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-928c3e4ebf889784.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-5ae1e2fa6e7c2ceb.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "88b18185f0aded234d332afd189de89e1f888fe41fed87223f54652d9e04338c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b18185f0aded234d332afd189de89e1f888fe41fed87223f54652d9e04338c", kill_on_drop: false }`
[INFO] [stdout] 88b18185f0aded234d332afd189de89e1f888fe41fed87223f54652d9e04338c