[INFO] fetching crate ntest 0.7.1...
[INFO] documenting ntest-0.7.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ntest 0.7.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ntest 0.7.1 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 ntest 0.7.1
[INFO] finished tweaking crates.io crate ntest 0.7.1
[INFO] tweaked toml for crates.io crate ntest 0.7.1 written to /workspace/builds/worker-8/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 ntest_timeout v0.7.1
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] fe64368038069792be5429f2989fe5d4307732943204fd003fb2f5b5d3802a97
[INFO] running `Command { std: "docker" "start" "-a" "fe64368038069792be5429f2989fe5d4307732943204fd003fb2f5b5d3802a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe64368038069792be5429f2989fe5d4307732943204fd003fb2f5b5d3802a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe64368038069792be5429f2989fe5d4307732943204fd003fb2f5b5d3802a97", kill_on_drop: false }`
[INFO] [stdout] fe64368038069792be5429f2989fe5d4307732943204fd003fb2f5b5d3802a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a6931d3d6963a4d9fa4c0e133ce64543aa62f6d27f985be8d3a295abb7e483dc
[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" "a6931d3d6963a4d9fa4c0e133ce64543aa62f6d27f985be8d3a295abb7e483dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling ntest_test_cases v0.7.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.1
[INFO] [stderr]  Documenting ntest v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.84s
[INFO] running `Command { std: "docker" "inspect" "a6931d3d6963a4d9fa4c0e133ce64543aa62f6d27f985be8d3a295abb7e483dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6931d3d6963a4d9fa4c0e133ce64543aa62f6d27f985be8d3a295abb7e483dc", kill_on_drop: false }`
[INFO] [stdout] a6931d3d6963a4d9fa4c0e133ce64543aa62f6d27f985be8d3a295abb7e483dc