[INFO] fetching crate mp4ra-rust 0.1.0...
[INFO] documenting mp4ra-rust-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mp4ra-rust 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate mp4ra-rust 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 mp4ra-rust 0.1.0
[INFO] finished tweaking crates.io crate mp4ra-rust 0.1.0
[INFO] tweaked toml for crates.io crate mp4ra-rust 0.1.0 written to /workspace/builds/worker-26/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] [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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 7fca411343fd9e21d87ca75e23a97a5f7f8c54ce5c964b49df22f38dd3de0133
[INFO] running `Command { std: "docker" "start" "-a" "7fca411343fd9e21d87ca75e23a97a5f7f8c54ce5c964b49df22f38dd3de0133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fca411343fd9e21d87ca75e23a97a5f7f8c54ce5c964b49df22f38dd3de0133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fca411343fd9e21d87ca75e23a97a5f7f8c54ce5c964b49df22f38dd3de0133", kill_on_drop: false }`
[INFO] [stdout] 7fca411343fd9e21d87ca75e23a97a5f7f8c54ce5c964b49df22f38dd3de0133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] eef95ee367d8646a0708dc2098178751c6248c4dce55572d8f978ce35836007d
[INFO] running `Command { std: "docker" "start" "-a" "eef95ee367d8646a0708dc2098178751c6248c4dce55572d8f978ce35836007d", kill_on_drop: false }`
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]  Documenting mp4ra-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "eef95ee367d8646a0708dc2098178751c6248c4dce55572d8f978ce35836007d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef95ee367d8646a0708dc2098178751c6248c4dce55572d8f978ce35836007d", kill_on_drop: false }`
[INFO] [stdout] eef95ee367d8646a0708dc2098178751c6248c4dce55572d8f978ce35836007d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 017d6b375604d17f12208f3f387174f3ddea29c09a90201b5e72e1c52c97bd96
[INFO] running `Command { std: "docker" "start" "-a" "017d6b375604d17f12208f3f387174f3ddea29c09a90201b5e72e1c52c97bd96", kill_on_drop: false }`
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]  Documenting mp4ra-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "017d6b375604d17f12208f3f387174f3ddea29c09a90201b5e72e1c52c97bd96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017d6b375604d17f12208f3f387174f3ddea29c09a90201b5e72e1c52c97bd96", kill_on_drop: false }`
[INFO] [stdout] 017d6b375604d17f12208f3f387174f3ddea29c09a90201b5e72e1c52c97bd96