[INFO] fetching crate topd 1.3.1...
[INFO] documenting topd-1.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate topd 1.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate topd 1.3.1 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 topd 1.3.1
[INFO] finished tweaking crates.io crate topd 1.3.1
[INFO] tweaked toml for crates.io crate topd 1.3.1 written to /workspace/builds/worker-4/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 procinfo v0.4.2
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded ifaces v0.1.0
[INFO] [stderr]   Downloaded sys-info v0.5.10
[INFO] [stderr]   Downloaded mount v0.3.0
[INFO] [stderr]   Downloaded sequence_trie v0.2.1
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 583a014e890519c567b44616b12e51c684b012a86e977eb74e609954e7fbabb1
[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" "583a014e890519c567b44616b12e51c684b012a86e977eb74e609954e7fbabb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "583a014e890519c567b44616b12e51c684b012a86e977eb74e609954e7fbabb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583a014e890519c567b44616b12e51c684b012a86e977eb74e609954e7fbabb1", kill_on_drop: false }`
[INFO] [stdout] 583a014e890519c567b44616b12e51c684b012a86e977eb74e609954e7fbabb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5faddb20aa828f475f21b8a4f89bb4549b2d0fb3dce054410d071e88e78295eb
[INFO] running `Command { std: "docker" "start" "-a" "5faddb20aa828f475f21b8a4f89bb4549b2d0fb3dce054410d071e88e78295eb", kill_on_drop: false }`
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling sys-info v0.5.10
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking ifaces v0.1.0
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking mount v0.3.0
[INFO] [stderr]  Documenting topd v1.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `Command { std: "docker" "inspect" "5faddb20aa828f475f21b8a4f89bb4549b2d0fb3dce054410d071e88e78295eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faddb20aa828f475f21b8a4f89bb4549b2d0fb3dce054410d071e88e78295eb", kill_on_drop: false }`
[INFO] [stdout] 5faddb20aa828f475f21b8a4f89bb4549b2d0fb3dce054410d071e88e78295eb