[INFO] cloning repository https://github.com/nilq/helix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilq/helix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e40d3292f5d8292e115f56ef0fe86f5a3d2d77
[INFO] documenting nilq/helix against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilq%2Fhelix" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilq/helix 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/nilq/helix
[INFO] finished tweaking git repo https://github.com/nilq/helix
[INFO] tweaked toml for git repo https://github.com/nilq/helix written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilq/helix 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 rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8971bd42a9139f87e55bc87fc75a357e262bb6f000d18b9b6e27a7ed67a83e63
[INFO] running `Command { std: "docker" "start" "-a" "8971bd42a9139f87e55bc87fc75a357e262bb6f000d18b9b6e27a7ed67a83e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8971bd42a9139f87e55bc87fc75a357e262bb6f000d18b9b6e27a7ed67a83e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8971bd42a9139f87e55bc87fc75a357e262bb6f000d18b9b6e27a7ed67a83e63", kill_on_drop: false }`
[INFO] [stdout] 8971bd42a9139f87e55bc87fc75a357e262bb6f000d18b9b6e27a7ed67a83e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fd228c5415296258061518ba34e5e85b80a402f398f1875b67ce033016186811
[INFO] running `Command { std: "docker" "start" "-a" "fd228c5415296258061518ba34e5e85b80a402f398f1875b67ce033016186811", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]  Documenting helix-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/helix_lang/index.html
[INFO] running `Command { std: "docker" "inspect" "fd228c5415296258061518ba34e5e85b80a402f398f1875b67ce033016186811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd228c5415296258061518ba34e5e85b80a402f398f1875b67ce033016186811", kill_on_drop: false }`
[INFO] [stdout] fd228c5415296258061518ba34e5e85b80a402f398f1875b67ce033016186811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5ba3a77cf3df5eb256bf67498f628b707a01bcd58adbd2a5e8b1e7e864e1ee
[INFO] running `Command { std: "docker" "start" "-a" "ab5ba3a77cf3df5eb256bf67498f628b707a01bcd58adbd2a5e8b1e7e864e1ee", kill_on_drop: false }`
[INFO] [stderr]  Documenting helix-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.23
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/helix_lang/index.html
[INFO] running `Command { std: "docker" "inspect" "ab5ba3a77cf3df5eb256bf67498f628b707a01bcd58adbd2a5e8b1e7e864e1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5ba3a77cf3df5eb256bf67498f628b707a01bcd58adbd2a5e8b1e7e864e1ee", kill_on_drop: false }`
[INFO] [stdout] ab5ba3a77cf3df5eb256bf67498f628b707a01bcd58adbd2a5e8b1e7e864e1ee