[INFO] fetching crate mex-sys 0.1.0...
[INFO] documenting mex-sys-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mex-sys 0.1.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate mex-sys 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-34/source/.cargo/config
[INFO] started tweaking crates.io crate mex-sys 0.1.0
[INFO] finished tweaking crates.io crate mex-sys 0.1.0
[INFO] tweaked toml for crates.io crate mex-sys 0.1.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb86ae50660b87c95c6f99839d24e2b412f17605f7bb44bfab75c471814bc4d2
[INFO] running `Command { std: "docker" "start" "-a" "eb86ae50660b87c95c6f99839d24e2b412f17605f7bb44bfab75c471814bc4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb86ae50660b87c95c6f99839d24e2b412f17605f7bb44bfab75c471814bc4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb86ae50660b87c95c6f99839d24e2b412f17605f7bb44bfab75c471814bc4d2", kill_on_drop: false }`
[INFO] [stdout] eb86ae50660b87c95c6f99839d24e2b412f17605f7bb44bfab75c471814bc4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca3c3d5bd3150f5f21343514c983cb88f51bb0af795eaf5dd4d3f8b7b1ea42c3
[INFO] running `Command { std: "docker" "start" "-a" "ca3c3d5bd3150f5f21343514c983cb88f51bb0af795eaf5dd4d3f8b7b1ea42c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mex-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mex-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "ca3c3d5bd3150f5f21343514c983cb88f51bb0af795eaf5dd4d3f8b7b1ea42c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3c3d5bd3150f5f21343514c983cb88f51bb0af795eaf5dd4d3f8b7b1ea42c3", kill_on_drop: false }`
[INFO] [stdout] ca3c3d5bd3150f5f21343514c983cb88f51bb0af795eaf5dd4d3f8b7b1ea42c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b52142c3824aa3a8b1106dfe60f4bfa9870a40f4e0ecc8d809067864cb76ca42
[INFO] running `Command { std: "docker" "start" "-a" "b52142c3824aa3a8b1106dfe60f4bfa9870a40f4e0ecc8d809067864cb76ca42", kill_on_drop: false }`
[INFO] [stderr]    Compiling mex-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mex-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "b52142c3824aa3a8b1106dfe60f4bfa9870a40f4e0ecc8d809067864cb76ca42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52142c3824aa3a8b1106dfe60f4bfa9870a40f4e0ecc8d809067864cb76ca42", kill_on_drop: false }`
[INFO] [stdout] b52142c3824aa3a8b1106dfe60f4bfa9870a40f4e0ecc8d809067864cb76ca42