[INFO] fetching crate serde_dhall 0.6.0...
[INFO] documenting serde_dhall-0.6.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate serde_dhall 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_dhall 0.6.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_dhall 0.6.0
[INFO] finished tweaking crates.io crate serde_dhall 0.6.0
[INFO] tweaked toml for crates.io crate serde_dhall 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 449c247f72ef8632012c66c85b0271de5bb99bf2fb8eba46bb3fb7ca29c37c4e
[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" "449c247f72ef8632012c66c85b0271de5bb99bf2fb8eba46bb3fb7ca29c37c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "449c247f72ef8632012c66c85b0271de5bb99bf2fb8eba46bb3fb7ca29c37c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449c247f72ef8632012c66c85b0271de5bb99bf2fb8eba46bb3fb7ca29c37c4e", kill_on_drop: false }`
[INFO] [stdout] 449c247f72ef8632012c66c85b0271de5bb99bf2fb8eba46bb3fb7ca29c37c4e
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf6d320aed8b84edacbcdcd62b4bdb8cb274b0e6f936ffe5617194b3eaf2d3e
[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" "adf6d320aed8b84edacbcdcd62b4bdb8cb274b0e6f936ffe5617194b3eaf2d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]     Checking annotate-snippets v0.7.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling abnf v0.6.1
[INFO] [stderr]    Compiling abnf_to_pest v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling dhall v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pest_consume_macros v1.0.5
[INFO] [stderr]    Compiling dhall_proc_macros v0.5.0
[INFO] [stderr]     Checking pest_consume v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting serde_dhall v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.65s
[INFO] running `Command { std: "docker" "inspect" "adf6d320aed8b84edacbcdcd62b4bdb8cb274b0e6f936ffe5617194b3eaf2d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf6d320aed8b84edacbcdcd62b4bdb8cb274b0e6f936ffe5617194b3eaf2d3e", kill_on_drop: false }`
[INFO] [stdout] adf6d320aed8b84edacbcdcd62b4bdb8cb274b0e6f936ffe5617194b3eaf2d3e