[INFO] cloning repository https://github.com/fastly/Viceroy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fastly/Viceroy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3792888fa7453df5b1a9b7190f89476427071401
[INFO] testing fastly/Viceroy against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffastly%2FViceroy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fastly/Viceroy on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fastly/Viceroy
[INFO] finished tweaking git repo https://github.com/fastly/Viceroy
[INFO] tweaked toml for git repo https://github.com/fastly/Viceroy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fastly/Viceroy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-lexicon v0.12.2
[INFO] [stderr]   Downloaded wiggle-macro v0.29.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.29.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.29.0
[INFO] [stderr]   Downloaded wasmtime-cache v0.29.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.29.0
[INFO] [stderr]   Downloaded cstr v0.2.8
[INFO] [stderr]   Downloaded posish v0.16.0
[INFO] [stderr]   Downloaded zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]   Downloaded zstd v0.9.0+zstd.1.5.0
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] [stderr]   Downloaded io-lifetimes v0.2.4
[INFO] [stderr]   Downloaded cap-std v0.16.3
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded winx v0.27.0
[INFO] [stderr]   Downloaded cap-primitives v0.16.3
[INFO] [stderr]   Downloaded wasi-cap-std-sync v0.29.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.20
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded cap-time-ext v0.16.3
[INFO] [stderr]   Downloaded cranelift-entity v0.65.0
[INFO] [stderr]   Downloaded system-interface v0.8.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.29.0
[INFO] [stderr]   Downloaded fastly-shared v0.3.2
[INFO] [stderr]   Downloaded ambient-authority v0.0.1
[INFO] [stderr]   Downloaded wasmtime v0.29.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.76.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.12
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded cap-rand v0.16.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.76.0
[INFO] [stderr]   Downloaded wasmtime-wasi v0.29.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.29.0
[INFO] [stderr]   Downloaded wat v1.0.40
[INFO] [stderr]   Downloaded cranelift-codegen v0.76.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.76.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.76.0
[INFO] [stderr]   Downloaded witx v0.9.1
[INFO] [stderr]   Downloaded wasmparser v0.79.0
[INFO] [stderr]   Downloaded cap-fs-ext v0.16.3
[INFO] [stderr]   Downloaded fs-set-times v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded unsafe-io v0.7.1
[INFO] [stderr]   Downloaded wasi-common v0.29.0
[INFO] [stderr]   Downloaded wasi-tokio v0.29.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.3
[INFO] [stderr]   Downloaded psm v0.1.15
[INFO] [stderr]   Downloaded wasmtime-debug v0.29.0
[INFO] [stderr]   Downloaded cranelift-native v0.76.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.29.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.29.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.76.0
[INFO] [stderr]   Downloaded cranelift-entity v0.76.0
[INFO] [stderr]   Downloaded wiggle-generate v0.29.0
[INFO] [stderr]   Downloaded wiggle v0.29.0
[INFO] [stderr]   Downloaded wast v38.0.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3067c5749a9f922bb4144301dd6cbef7c34025844a185a49fa9301e19266fd20
[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" "3067c5749a9f922bb4144301dd6cbef7c34025844a185a49fa9301e19266fd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3067c5749a9f922bb4144301dd6cbef7c34025844a185a49fa9301e19266fd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3067c5749a9f922bb4144301dd6cbef7c34025844a185a49fa9301e19266fd20", kill_on_drop: false }`
[INFO] [stdout] 3067c5749a9f922bb4144301dd6cbef7c34025844a185a49fa9301e19266fd20
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 9fe02adc2efc610206db6ec94052b34fc82016edb750acd91bfdd157dd305075
[INFO] running `Command { std: "docker" "start" "-a" "9fe02adc2efc610206db6ec94052b34fc82016edb750acd91bfdd157dd305075", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling wasmparser v0.79.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.12
[INFO] [stderr]    Compiling ambient-authority v0.0.1
[INFO] [stderr]    Compiling zstd-safe v4.1.1+zstd.1.5.0
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling wasmtime-cache v0.29.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling wasi-common v0.29.0
[INFO] [stderr]    Compiling wasmtime-wasi v0.29.0
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling cranelift-entity v0.65.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling wast v38.0.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cstr v0.2.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling io-lifetimes v0.2.4
[INFO] [stderr]    Compiling unsafe-io v0.7.1
[INFO] [stderr]    Compiling cap-primitives v0.16.3
[INFO] [stderr]    Compiling cap-std v0.16.3
[INFO] [stderr]    Compiling system-interface v0.8.0
[INFO] [stderr]    Compiling cap-fs-ext v0.16.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling fastly-shared v0.3.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling file-per-thread-logger v0.1.4
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wasmtime-fiber v0.29.0
[INFO] [stderr]    Compiling zstd-sys v1.6.1+zstd.1.5.0
[INFO] [stderr]    Compiling posish v0.16.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling wasmtime-runtime v0.29.0
[INFO] [stderr]    Compiling psm v0.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling wat v1.0.40
[INFO] [stderr]    Compiling cap-rand v0.16.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling fs-set-times v0.6.0
[INFO] [stderr]    Compiling cap-time-ext v0.16.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling witx v0.9.1
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling wiggle-generate v0.29.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling wiggle-macro v0.29.0
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling object v0.26.1
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]    Compiling cranelift-bforest v0.76.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling addr2line v0.16.0
[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-0.0.31/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"' --cfg 'feature="enable-serde"' --cfg 'feature="serde"' -C metadata=41caa529ba38e6df -C extra-filename=-41caa529ba38e6df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-e79d96be0b9672b0.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-90b377b8548f0070.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-87fad2036838e86a.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-0e12401d3f654579.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: cc: fatal error: Killed signal terminated program cc1
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9fe02adc2efc610206db6ec94052b34fc82016edb750acd91bfdd157dd305075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe02adc2efc610206db6ec94052b34fc82016edb750acd91bfdd157dd305075", kill_on_drop: false }`
[INFO] [stdout] 9fe02adc2efc610206db6ec94052b34fc82016edb750acd91bfdd157dd305075