[INFO] fetching crate wimp 0.1.0...
[INFO] documenting wimp-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate wimp 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wimp 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wimp 0.1.0
[INFO] finished tweaking crates.io crate wimp 0.1.0
[INFO] tweaked toml for crates.io crate wimp 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate wimp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0019cf04504014e43cbeb253e1155d78e9d725d57b820a59c2a3d0245408fb
[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" "3b0019cf04504014e43cbeb253e1155d78e9d725d57b820a59c2a3d0245408fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0019cf04504014e43cbeb253e1155d78e9d725d57b820a59c2a3d0245408fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0019cf04504014e43cbeb253e1155d78e9d725d57b820a59c2a3d0245408fb", kill_on_drop: false }`
[INFO] [stdout] 3b0019cf04504014e43cbeb253e1155d78e9d725d57b820a59c2a3d0245408fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d65f632d1e63f4c0a84cc56ddd607cbd458f8282bce8b14a2baa96a31a6126
[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" "b5d65f632d1e63f4c0a84cc56ddd607cbd458f8282bce8b14a2baa96a31a6126", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking futures-lite v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking nb-connect v1.0.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking async-io v1.1.8
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking x11rb v0.6.0
[INFO] [stderr] error: could not compile `futures-util`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=6e533819469dc3fe -C extra-filename=-6e533819469dc3fe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-1b283f1c0f489984.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-be8a27a0dc58093d.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-474cb8849ab1b679.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-fb5cc5e0e918d858.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-263b250865756cdf.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-01dc0ad661a0b90a.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bf8a91ed480664b8.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-42dac9a4d9bec296.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-aa8e27757ec3cf33.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-31e6583f82098a11.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-405d975683d1d3c9.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-560a8b8f37310699.rmeta --cap-lints allow` (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: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b5d65f632d1e63f4c0a84cc56ddd607cbd458f8282bce8b14a2baa96a31a6126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d65f632d1e63f4c0a84cc56ddd607cbd458f8282bce8b14a2baa96a31a6126", kill_on_drop: false }`
[INFO] [stdout] b5d65f632d1e63f4c0a84cc56ddd607cbd458f8282bce8b14a2baa96a31a6126
