[INFO] fetching crate teip 1.2.1...
[INFO] documenting teip-1.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate teip 1.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate teip 1.2.1 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 teip 1.2.1
[INFO] finished tweaking crates.io crate teip 1.2.1
[INFO] tweaked toml for crates.io crate teip 1.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate teip 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] aa8f631bf7ceeeb6c412e85ebf86faa04e77ae9442c85f52d9f8d429589bfaf8
[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" "aa8f631bf7ceeeb6c412e85ebf86faa04e77ae9442c85f52d9f8d429589bfaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8f631bf7ceeeb6c412e85ebf86faa04e77ae9442c85f52d9f8d429589bfaf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8f631bf7ceeeb6c412e85ebf86faa04e77ae9442c85f52d9f8d429589bfaf8", kill_on_drop: false }`
[INFO] [stdout] aa8f631bf7ceeeb6c412e85ebf86faa04e77ae9442c85f52d9f8d429589bfaf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1f9c075dff7db4920ae3c0ba653cff605cc0d8b6c3e96a4c6465e49b28a1fa0b
[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" "1f9c075dff7db4920ae3c0ba653cff605cc0d8b6c3e96a4c6465e49b28a1fa0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting teip v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.92s
[INFO] running `Command { std: "docker" "inspect" "1f9c075dff7db4920ae3c0ba653cff605cc0d8b6c3e96a4c6465e49b28a1fa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9c075dff7db4920ae3c0ba653cff605cc0d8b6c3e96a4c6465e49b28a1fa0b", kill_on_drop: false }`
[INFO] [stdout] 1f9c075dff7db4920ae3c0ba653cff605cc0d8b6c3e96a4c6465e49b28a1fa0b