[INFO] cloning repository https://github.com/mbudde/pnc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbudde/pnc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe76668a8003245dc8fe250a13ef09fe8f43a46c
[INFO] documenting mbudde/pnc against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbudde%2Fpnc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbudde/pnc on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbudde/pnc
[INFO] finished tweaking git repo https://github.com/mbudde/pnc
[INFO] tweaked toml for git repo https://github.com/mbudde/pnc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mbudde/pnc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded clap v2.27.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b933f494ed84922903f24b7374ef32ea1200c84d7c547173a879e5459d62a0f1
[INFO] running `Command { std: "docker" "start" "-a" "b933f494ed84922903f24b7374ef32ea1200c84d7c547173a879e5459d62a0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b933f494ed84922903f24b7374ef32ea1200c84d7c547173a879e5459d62a0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b933f494ed84922903f24b7374ef32ea1200c84d7c547173a879e5459d62a0f1", kill_on_drop: false }`
[INFO] [stdout] b933f494ed84922903f24b7374ef32ea1200c84d7c547173a879e5459d62a0f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56b12083f9f45f4e9cc7b9a2de226cd27acd4626500f13326728c9f9419fa10
[INFO] running `Command { std: "docker" "start" "-a" "b56b12083f9f45f4e9cc7b9a2de226cd27acd4626500f13326728c9f9419fa10", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]  Documenting pnc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/pnc/index.html
[INFO] running `Command { std: "docker" "inspect" "b56b12083f9f45f4e9cc7b9a2de226cd27acd4626500f13326728c9f9419fa10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56b12083f9f45f4e9cc7b9a2de226cd27acd4626500f13326728c9f9419fa10", kill_on_drop: false }`
[INFO] [stdout] b56b12083f9f45f4e9cc7b9a2de226cd27acd4626500f13326728c9f9419fa10