[INFO] fetching crate matrices 0.1.0...
[INFO] documenting matrices-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate matrices 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate matrices 0.1.0 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 crates.io crate matrices 0.1.0
[INFO] finished tweaking crates.io crate matrices 0.1.0
[INFO] tweaked toml for crates.io crate matrices 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f0b03b0f30b7f1794904f9244142ebc2b04857c1d9e62b068e631de11e767604
[INFO] running `Command { std: "docker" "start" "-a" "f0b03b0f30b7f1794904f9244142ebc2b04857c1d9e62b068e631de11e767604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b03b0f30b7f1794904f9244142ebc2b04857c1d9e62b068e631de11e767604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b03b0f30b7f1794904f9244142ebc2b04857c1d9e62b068e631de11e767604", kill_on_drop: false }`
[INFO] [stdout] f0b03b0f30b7f1794904f9244142ebc2b04857c1d9e62b068e631de11e767604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1b427b986ae8d344a019fedf1b8be5562108732f871ba3c3499ff20b829e7d6f
[INFO] running `Command { std: "docker" "start" "-a" "1b427b986ae8d344a019fedf1b8be5562108732f871ba3c3499ff20b829e7d6f", kill_on_drop: false }`
[INFO] [stderr]  Documenting matrices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "1b427b986ae8d344a019fedf1b8be5562108732f871ba3c3499ff20b829e7d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b427b986ae8d344a019fedf1b8be5562108732f871ba3c3499ff20b829e7d6f", kill_on_drop: false }`
[INFO] [stdout] 1b427b986ae8d344a019fedf1b8be5562108732f871ba3c3499ff20b829e7d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 12b2e4b839d339997a695d36ab7dddb9aaf810cc40da5eb5ea00614bc7aaa48d
[INFO] running `Command { std: "docker" "start" "-a" "12b2e4b839d339997a695d36ab7dddb9aaf810cc40da5eb5ea00614bc7aaa48d", kill_on_drop: false }`
[INFO] [stderr]  Documenting matrices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "12b2e4b839d339997a695d36ab7dddb9aaf810cc40da5eb5ea00614bc7aaa48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b2e4b839d339997a695d36ab7dddb9aaf810cc40da5eb5ea00614bc7aaa48d", kill_on_drop: false }`
[INFO] [stdout] 12b2e4b839d339997a695d36ab7dddb9aaf810cc40da5eb5ea00614bc7aaa48d