[INFO] fetching crate k 0.18.0...
[INFO] documenting k-0.18.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate k 0.18.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate k 0.18.0 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 k 0.18.0
[INFO] finished tweaking crates.io crate k 0.18.0
[INFO] tweaked toml for crates.io crate k 0.18.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate k 0.18.0 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-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" "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] 7644f016511f59b4bf28551afdec6a6ffef89080b05c0fbaa52896e7cb6382c2
[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" "7644f016511f59b4bf28551afdec6a6ffef89080b05c0fbaa52896e7cb6382c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7644f016511f59b4bf28551afdec6a6ffef89080b05c0fbaa52896e7cb6382c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7644f016511f59b4bf28551afdec6a6ffef89080b05c0fbaa52896e7cb6382c2", kill_on_drop: false }`
[INFO] [stdout] 7644f016511f59b4bf28551afdec6a6ffef89080b05c0fbaa52896e7cb6382c2
[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" "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] 947b997539cee834c4ced3c1d41e2c847c2aec3f12c2d1b502ad674f4f3d2ef8
[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" "947b997539cee834c4ced3c1d41e2c847c2aec3f12c2d1b502ad674f4f3d2ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking RustyXML v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]     Checking serde-xml-rs v0.1.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking urdf-rs v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling k v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting k v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "947b997539cee834c4ced3c1d41e2c847c2aec3f12c2d1b502ad674f4f3d2ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947b997539cee834c4ced3c1d41e2c847c2aec3f12c2d1b502ad674f4f3d2ef8", kill_on_drop: false }`
[INFO] [stdout] 947b997539cee834c4ced3c1d41e2c847c2aec3f12c2d1b502ad674f4f3d2ef8
