[INFO] cloning repository https://github.com/0xeb-bp/subdomain_prepender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xeb-bp/subdomain_prepender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xeb-bp%2Fsubdomain_prepender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xeb-bp%2Fsubdomain_prepender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eccc885f80790e59252358c65f6a657f091a6ae9
[INFO] documenting 0xeb-bp/subdomain_prepender against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xeb-bp%2Fsubdomain_prepender" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xeb-bp/subdomain_prepender on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xeb-bp/subdomain_prepender
[INFO] finished tweaking git repo https://github.com/0xeb-bp/subdomain_prepender
[INFO] tweaked toml for git repo https://github.com/0xeb-bp/subdomain_prepender written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/0xeb-bp/subdomain_prepender already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebcef1b4dd9d6f51d579ffc3486eadfe476140159f8f47604a98c8dceea0f50
[INFO] running `Command { std: "docker" "start" "-a" "4ebcef1b4dd9d6f51d579ffc3486eadfe476140159f8f47604a98c8dceea0f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebcef1b4dd9d6f51d579ffc3486eadfe476140159f8f47604a98c8dceea0f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebcef1b4dd9d6f51d579ffc3486eadfe476140159f8f47604a98c8dceea0f50", kill_on_drop: false }`
[INFO] [stdout] 4ebcef1b4dd9d6f51d579ffc3486eadfe476140159f8f47604a98c8dceea0f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63e7a890ae600a574fa07e7a795138a8ecdf9ff12e43a2d38b8cafe613dac79
[INFO] running `Command { std: "docker" "start" "-a" "f63e7a890ae600a574fa07e7a795138a8ecdf9ff12e43a2d38b8cafe613dac79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting subdomain_prepender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "f63e7a890ae600a574fa07e7a795138a8ecdf9ff12e43a2d38b8cafe613dac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63e7a890ae600a574fa07e7a795138a8ecdf9ff12e43a2d38b8cafe613dac79", kill_on_drop: false }`
[INFO] [stdout] f63e7a890ae600a574fa07e7a795138a8ecdf9ff12e43a2d38b8cafe613dac79