[INFO] fetching crate romy 0.2.0...
[INFO] documenting romy-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate romy 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate romy 0.2.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate romy 0.2.0
[INFO] finished tweaking crates.io crate romy 0.2.0
[INFO] tweaked toml for crates.io crate romy 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate romy 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e58ba9f85ebf270c30a48991d28f4dc4cff24c9cc7803e07607369688f1af1
[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" "63e58ba9f85ebf270c30a48991d28f4dc4cff24c9cc7803e07607369688f1af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e58ba9f85ebf270c30a48991d28f4dc4cff24c9cc7803e07607369688f1af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e58ba9f85ebf270c30a48991d28f4dc4cff24c9cc7803e07607369688f1af1", kill_on_drop: false }`
[INFO] [stdout] 63e58ba9f85ebf270c30a48991d28f4dc4cff24c9cc7803e07607369688f1af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00be885299c3bd5e996d6bb7a4eac172478f6ca8633e4f1b9f230baf713617c0
[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" "00be885299c3bd5e996d6bb7a4eac172478f6ca8633e4f1b9f230baf713617c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling cranelift-entity v0.44.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.44.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.44.0
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking cranelift-bforest v0.44.0
[INFO] [stderr]     Checking mut_static v5.0.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.12.0
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr] error: could not compile `cranelift-codegen-meta`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cranelift_codegen_meta --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cranelift-codegen-meta-0.44.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' -C metadata=89e1d618e09ba13d -C extra-filename=-89e1d618e09ba13d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cranelift_codegen_shared=/opt/rustwide/target/debug/deps/libcranelift_codegen_shared-820b36069dd4b686.rmeta --extern cranelift_entity=/opt/rustwide/target/debug/deps/libcranelift_entity-6f7a3f5e9990bbfe.rmeta --cap-lints allow` (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" "00be885299c3bd5e996d6bb7a4eac172478f6ca8633e4f1b9f230baf713617c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00be885299c3bd5e996d6bb7a4eac172478f6ca8633e4f1b9f230baf713617c0", kill_on_drop: false }`
[INFO] [stdout] 00be885299c3bd5e996d6bb7a4eac172478f6ca8633e4f1b9f230baf713617c0