[INFO] cloning repository https://github.com/FauxFaux/badchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/badchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fbadchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fbadchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef20a2db0e103747dfc86f137aa926535159edfa
[INFO] documenting FauxFaux/badchat against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fbadchat" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/badchat on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/badchat
[INFO] finished tweaking git repo https://github.com/FauxFaux/badchat
[INFO] tweaked toml for git repo https://github.com/FauxFaux/badchat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/badchat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4599bfa2f489a3b0046aaff239d4ae7d52dd19730a35e0575bc76e4e7d618afb
[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" "4599bfa2f489a3b0046aaff239d4ae7d52dd19730a35e0575bc76e4e7d618afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4599bfa2f489a3b0046aaff239d4ae7d52dd19730a35e0575bc76e4e7d618afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4599bfa2f489a3b0046aaff239d4ae7d52dd19730a35e0575bc76e4e7d618afb", kill_on_drop: false }`
[INFO] [stdout] 4599bfa2f489a3b0046aaff239d4ae7d52dd19730a35e0575bc76e4e7d618afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21c25935d2df268feb25e1b8ad831ae3181559be067e097539f9094d365ba96f
[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" "21c25935d2df268feb25e1b8ad831ae3181559be067e097539f9094d365ba96f", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking vecio v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking dns-lookup v1.0.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking rusqlite v0.15.0
[INFO] [stderr]  Documenting badchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.04s
[INFO] running `Command { std: "docker" "inspect" "21c25935d2df268feb25e1b8ad831ae3181559be067e097539f9094d365ba96f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c25935d2df268feb25e1b8ad831ae3181559be067e097539f9094d365ba96f", kill_on_drop: false }`
[INFO] [stdout] 21c25935d2df268feb25e1b8ad831ae3181559be067e097539f9094d365ba96f