[INFO] cloning repository https://github.com/aquahubtest37/ruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aquahubtest37/ruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquahubtest37%2Fruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquahubtest37%2Fruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f9e6eadf0fa89a4086838cf201e96a616424bd1
[INFO] documenting aquahubtest37/ruby against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faquahubtest37%2Fruby" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  89% (10076/11203)
Updating files:  90% (10083/11203)
Updating files:  91% (10195/11203)
Updating files:  92% (10307/11203)
Updating files:  93% (10419/11203)
Updating files:  94% (10531/11203)
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Updating files:  96% (10755/11203)
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Updating files:  98% (10979/11203)
Updating files:  99% (11091/11203)
Updating files: 100% (11203/11203)
Updating files: 100% (11203/11203), done.
[INFO] started tweaking git repo https://github.com/aquahubtest37/ruby
[INFO] finished tweaking git repo https://github.com/aquahubtest37/ruby
[INFO] tweaked toml for git repo https://github.com/aquahubtest37/ruby written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aquahubtest37/ruby on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aquahubtest37/ruby 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded similar v2.4.0
[INFO] [stderr]   Downloaded insta v1.43.1
[INFO] [stderr]   Downloaded capstone v0.13.0
[INFO] [stderr]   Downloaded cc v1.2.18
[INFO] [stderr]   Downloaded libc v0.2.171
[INFO] [stderr]   Downloaded capstone-sys v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e
[INFO] running `Command { std: "docker" "start" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting ruby v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ruby/index.html
[INFO] running `Command { std: "docker" "inspect" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting ruby v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ruby/index.html
[INFO] running `Command { std: "docker" "inspect" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e", kill_on_drop: false }`
[INFO] [stdout] 5b7901d8ce6df1797b9e64b6e14e51764e4fda63a34de75de25bbcf3f4b8c83e