[INFO] fetching crate kalk 0.2.0...
[INFO] documenting kalk-0.2.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate kalk 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kalk 0.2.0 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 kalk 0.2.0
[INFO] finished tweaking crates.io crate kalk 0.2.0
[INFO] tweaked toml for crates.io crate kalk 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b15fe788f23fed1034f7359f3f8f4ffc58a08b5def69a2f9da682e9cda7d9718
[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" "b15fe788f23fed1034f7359f3f8f4ffc58a08b5def69a2f9da682e9cda7d9718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15fe788f23fed1034f7359f3f8f4ffc58a08b5def69a2f9da682e9cda7d9718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15fe788f23fed1034f7359f3f8f4ffc58a08b5def69a2f9da682e9cda7d9718", kill_on_drop: false }`
[INFO] [stdout] b15fe788f23fed1034f7359f3f8f4ffc58a08b5def69a2f9da682e9cda7d9718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 068172ffe204a70935533776c4fa8c4d7143f6ac0ec6895bf03baea7a3fed3df
[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" "068172ffe204a70935533776c4fa8c4d7143f6ac0ec6895bf03baea7a3fed3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "068172ffe204a70935533776c4fa8c4d7143f6ac0ec6895bf03baea7a3fed3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068172ffe204a70935533776c4fa8c4d7143f6ac0ec6895bf03baea7a3fed3df", kill_on_drop: false }`
[INFO] [stdout] 068172ffe204a70935533776c4fa8c4d7143f6ac0ec6895bf03baea7a3fed3df
