[INFO] cloning repository https://github.com/skeskinen/blog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skeskinen/blog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskeskinen%2Fblog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskeskinen%2Fblog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b075e5adcf6f5e64de09aeda0a2b0e60c69d69
[INFO] documenting skeskinen/blog against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskeskinen%2Fblog" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skeskinen/blog 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 git repo https://github.com/skeskinen/blog
[INFO] finished tweaking git repo https://github.com/skeskinen/blog
[INFO] tweaked toml for git repo https://github.com/skeskinen/blog written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/skeskinen/blog 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] d7d758216f9499dcbf65e67e9c04da5c63adbc9d6447928dd26009bec479fbe5
[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" "d7d758216f9499dcbf65e67e9c04da5c63adbc9d6447928dd26009bec479fbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d758216f9499dcbf65e67e9c04da5c63adbc9d6447928dd26009bec479fbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d758216f9499dcbf65e67e9c04da5c63adbc9d6447928dd26009bec479fbe5", kill_on_drop: false }`
[INFO] [stdout] d7d758216f9499dcbf65e67e9c04da5c63adbc9d6447928dd26009bec479fbe5
[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] 7af514aa968867b528adaf7cad0ef7a8a65cdda0be478038b3bf9b4041818109
[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" "7af514aa968867b528adaf7cad0ef7a8a65cdda0be478038b3bf9b4041818109", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]     Checking pin-project-lite v0.1.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling v_escape v0.13.1
[INFO] [stderr]    Compiling v_htmlescape v0.10.3
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr] error: could not compile `tokio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.22/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="default"' --cfg 'feature="futures-core"' --cfg 'feature="io-driver"' --cfg 'feature="io-util"' --cfg 'feature="iovec"' --cfg 'feature="lazy_static"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="rt-core"' --cfg 'feature="rt-util"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="slab"' --cfg 'feature="stream"' --cfg 'feature="tcp"' --cfg 'feature="time"' --cfg 'feature="udp"' --cfg 'feature="uds"' --cfg 'feature="winapi"' -C metadata=55655886dd4adf65 -C extra-filename=-55655886dd4adf65 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-060d9d2e342fea55.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-be8a27a0dc58093d.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-73c4301e976cf342.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-72923b2d9aa06af7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-62ec670b068666f1.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bf8a91ed480664b8.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-948897445acda72f.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-4b8b294c617cf7f5.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-93a819a96de436ef.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-5dd10576cd54f328.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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7af514aa968867b528adaf7cad0ef7a8a65cdda0be478038b3bf9b4041818109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af514aa968867b528adaf7cad0ef7a8a65cdda0be478038b3bf9b4041818109", kill_on_drop: false }`
[INFO] [stdout] 7af514aa968867b528adaf7cad0ef7a8a65cdda0be478038b3bf9b4041818109
