[INFO] fetching crate atom_syndication 0.9.0...
[INFO] documenting atom_syndication-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate atom_syndication 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate atom_syndication 0.9.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atom_syndication 0.9.0
[INFO] finished tweaking crates.io crate atom_syndication 0.9.0
[INFO] tweaked toml for crates.io crate atom_syndication 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diligent-date-parser v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57f7c90c7a6d34aeb5f15e606aeb53237d9f81e77dddadfeefd964d48c78b7f4
[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" "57f7c90c7a6d34aeb5f15e606aeb53237d9f81e77dddadfeefd964d48c78b7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57f7c90c7a6d34aeb5f15e606aeb53237d9f81e77dddadfeefd964d48c78b7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f7c90c7a6d34aeb5f15e606aeb53237d9f81e77dddadfeefd964d48c78b7f4", kill_on_drop: false }`
[INFO] [stdout] 57f7c90c7a6d34aeb5f15e606aeb53237d9f81e77dddadfeefd964d48c78b7f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6130c26bd5d06df62df3819fa3bfe5daca538f7627ddaf38a00507d3c630fdee
[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" "6130c26bd5d06df62df3819fa3bfe5daca538f7627ddaf38a00507d3c630fdee", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking diligent-date-parser v0.1.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]  Documenting atom_syndication v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.36s
[INFO] running `Command { std: "docker" "inspect" "6130c26bd5d06df62df3819fa3bfe5daca538f7627ddaf38a00507d3c630fdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6130c26bd5d06df62df3819fa3bfe5daca538f7627ddaf38a00507d3c630fdee", kill_on_drop: false }`
[INFO] [stdout] 6130c26bd5d06df62df3819fa3bfe5daca538f7627ddaf38a00507d3c630fdee