[INFO] fetching crate brainfuck 0.2.1...
[INFO] documenting brainfuck-0.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate brainfuck 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate brainfuck 0.2.1 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 brainfuck 0.2.1
[INFO] finished tweaking crates.io crate brainfuck 0.2.1
[INFO] tweaked toml for crates.io crate brainfuck 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate brainfuck 0.2.1 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 36e63530b8b6ecba57301f1178009674ef2fcf26eb4048e41b460f6e845c9f0d
[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" "36e63530b8b6ecba57301f1178009674ef2fcf26eb4048e41b460f6e845c9f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36e63530b8b6ecba57301f1178009674ef2fcf26eb4048e41b460f6e845c9f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e63530b8b6ecba57301f1178009674ef2fcf26eb4048e41b460f6e845c9f0d", kill_on_drop: false }`
[INFO] [stdout] 36e63530b8b6ecba57301f1178009674ef2fcf26eb4048e41b460f6e845c9f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b8b4600d59dfc91d1c0aeb1dd5dfb1e28a9a5825ce1610e96a33726ac486a2b6
[INFO] running `Command { std: "docker" "start" "-a" "b8b4600d59dfc91d1c0aeb1dd5dfb1e28a9a5825ce1610e96a33726ac486a2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]  Documenting brainfuck v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "b8b4600d59dfc91d1c0aeb1dd5dfb1e28a9a5825ce1610e96a33726ac486a2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b4600d59dfc91d1c0aeb1dd5dfb1e28a9a5825ce1610e96a33726ac486a2b6", kill_on_drop: false }`
[INFO] [stdout] b8b4600d59dfc91d1c0aeb1dd5dfb1e28a9a5825ce1610e96a33726ac486a2b6