[INFO] cloning repository https://github.com/poga/cranelift-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poga/cranelift-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee691823b33d77ba47cd877d69196fc494c66d81
[INFO] documenting poga/cranelift-example against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poga/cranelift-example on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poga/cranelift-example
[INFO] finished tweaking git repo https://github.com/poga/cranelift-example
[INFO] tweaked toml for git repo https://github.com/poga/cranelift-example written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/poga/cranelift-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 217d41d8625b3a127399be3e3ef6b7a64ff73bb0a6528aba889a838200dc98a1
[INFO] running `Command { std: "docker" "start" "-a" "217d41d8625b3a127399be3e3ef6b7a64ff73bb0a6528aba889a838200dc98a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "217d41d8625b3a127399be3e3ef6b7a64ff73bb0a6528aba889a838200dc98a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217d41d8625b3a127399be3e3ef6b7a64ff73bb0a6528aba889a838200dc98a1", kill_on_drop: false }`
[INFO] [stdout] 217d41d8625b3a127399be3e3ef6b7a64ff73bb0a6528aba889a838200dc98a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a327f985d7e4f70c5a6667d100702a8e773e21a434c859ddd470f53d9ae9d73
[INFO] running `Command { std: "docker" "start" "-a" "6a327f985d7e4f70c5a6667d100702a8e773e21a434c859ddd470f53d9ae9d73", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling cranelift-entity v0.33.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.33.0
[INFO] [stderr]     Checking cranelift-bforest v0.33.0
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling cranelift-codegen v0.33.0
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cranelift-frontend v0.33.0
[INFO] [stderr]     Checking cranelift-native v0.33.0
[INFO] [stderr]     Checking cranelift-module v0.33.0
[INFO] [stderr]     Checking cranelift-simplejit v0.33.0
[INFO] [stderr]     Checking cranelift v0.33.0
[INFO] [stderr]  Documenting cranelift-try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.81s
[INFO] running `Command { std: "docker" "inspect" "6a327f985d7e4f70c5a6667d100702a8e773e21a434c859ddd470f53d9ae9d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a327f985d7e4f70c5a6667d100702a8e773e21a434c859ddd470f53d9ae9d73", kill_on_drop: false }`
[INFO] [stdout] 6a327f985d7e4f70c5a6667d100702a8e773e21a434c859ddd470f53d9ae9d73