[INFO] fetching crate prettydiff 0.3.1...
[INFO] documenting prettydiff-0.3.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate prettydiff 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prettydiff 0.3.1 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 prettydiff 0.3.1
[INFO] finished tweaking crates.io crate prettydiff 0.3.1
[INFO] tweaked toml for crates.io crate prettydiff 0.3.1 written to /workspace/builds/worker-6/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 prettytable-rs v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5dc29958cb67cd3d3994536a65d90544dc159818c314b4a508f1b770c99a26fa
[INFO] running `Command { std: "docker" "start" "-a" "5dc29958cb67cd3d3994536a65d90544dc159818c314b4a508f1b770c99a26fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc29958cb67cd3d3994536a65d90544dc159818c314b4a508f1b770c99a26fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc29958cb67cd3d3994536a65d90544dc159818c314b4a508f1b770c99a26fa", kill_on_drop: false }`
[INFO] [stdout] 5dc29958cb67cd3d3994536a65d90544dc159818c314b4a508f1b770c99a26fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 78674442c5228dace40d0ff62cddbb992d0a504480aa7b0a46bbddfd2da77263
[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" "78674442c5228dace40d0ff62cddbb992d0a504480aa7b0a46bbddfd2da77263", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting prettydiff v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "78674442c5228dace40d0ff62cddbb992d0a504480aa7b0a46bbddfd2da77263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78674442c5228dace40d0ff62cddbb992d0a504480aa7b0a46bbddfd2da77263", kill_on_drop: false }`
[INFO] [stdout] 78674442c5228dace40d0ff62cddbb992d0a504480aa7b0a46bbddfd2da77263