[INFO] cloning repository https://github.com/unterflow/unterflow-dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unterflow/unterflow-dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 026f6d74cfd88809a6af4d6c312a90c7d28d24e4
[INFO] documenting unterflow/unterflow-dump against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funterflow%2Funterflow-dump" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unterflow/unterflow-dump 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 git repo https://github.com/unterflow/unterflow-dump
[INFO] finished tweaking git repo https://github.com/unterflow/unterflow-dump
[INFO] tweaked toml for git repo https://github.com/unterflow/unterflow-dump written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/unterflow/unterflow-dump 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] [stderr]     Updating git repository `https://github.com/unterflow/unterflow-protocol`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loggerv v0.3.0
[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] [stdout] 68fa343e0058b67902e63d4bb6c0c3a313f693ee88c52f705021b88caa2d4d95
[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" "68fa343e0058b67902e63d4bb6c0c3a313f693ee88c52f705021b88caa2d4d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68fa343e0058b67902e63d4bb6c0c3a313f693ee88c52f705021b88caa2d4d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fa343e0058b67902e63d4bb6c0c3a313f693ee88c52f705021b88caa2d4d95", kill_on_drop: false }`
[INFO] [stdout] 68fa343e0058b67902e63d4bb6c0c3a313f693ee88c52f705021b88caa2d4d95
[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] 04cf56ba648ddb64f191f0d2bc5f4e593c6343d471bf22ab09868a863bc57003
[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" "04cf56ba648ddb64f191f0d2bc5f4e593c6343d471bf22ab09868a863bc57003", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking ipnetwork v0.12.6
[INFO] [stderr]     Checking pnet_macros_support v0.2.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking syntex_pos v0.42.0
[INFO] [stderr]     Checking rmp v0.8.6
[INFO] [stderr]     Checking loggerv v0.3.0
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling unterflow-protocol-derive v0.1.0 (https://github.com/unterflow/unterflow-protocol#f3d5e813)
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking rmpv v0.4.0
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking serde_bytes v0.10.1
[INFO] [stderr]     Checking rmp-serde v0.13.6
[INFO] [stderr]     Checking unterflow-protocol v0.1.0 (https://github.com/unterflow/unterflow-protocol#f3d5e813)
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.15.0
[INFO] [stderr]    Compiling pnet v0.19.0
[INFO] [stderr]  Documenting unterflow-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "04cf56ba648ddb64f191f0d2bc5f4e593c6343d471bf22ab09868a863bc57003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cf56ba648ddb64f191f0d2bc5f4e593c6343d471bf22ab09868a863bc57003", kill_on_drop: false }`
[INFO] [stdout] 04cf56ba648ddb64f191f0d2bc5f4e593c6343d471bf22ab09868a863bc57003