[INFO] fetching crate requirements 0.3.0...
[INFO] documenting requirements-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate requirements 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate requirements 0.3.0 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 requirements 0.3.0
[INFO] finished tweaking crates.io crate requirements 0.3.0
[INFO] tweaked toml for crates.io crate requirements 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate requirements 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4a8cbd955efad8ef88e854d7198c4e3d94c49791c344106918709be8a49764d
[INFO] running `Command { std: "docker" "start" "-a" "a4a8cbd955efad8ef88e854d7198c4e3d94c49791c344106918709be8a49764d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a8cbd955efad8ef88e854d7198c4e3d94c49791c344106918709be8a49764d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a8cbd955efad8ef88e854d7198c4e3d94c49791c344106918709be8a49764d", kill_on_drop: false }`
[INFO] [stdout] a4a8cbd955efad8ef88e854d7198c4e3d94c49791c344106918709be8a49764d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f869c32f1409ec38f20a67e6c631809ea10a331309bb5935cadfcaf25e54a6ca
[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" "f869c32f1409ec38f20a67e6c631809ea10a331309bb5935cadfcaf25e54a6ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking requirements v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting requirements v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.66s
[INFO] running `Command { std: "docker" "inspect" "f869c32f1409ec38f20a67e6c631809ea10a331309bb5935cadfcaf25e54a6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f869c32f1409ec38f20a67e6c631809ea10a331309bb5935cadfcaf25e54a6ca", kill_on_drop: false }`
[INFO] [stdout] f869c32f1409ec38f20a67e6c631809ea10a331309bb5935cadfcaf25e54a6ca