[INFO] fetching crate mpg123 0.1.2...
[INFO] documenting mpg123-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mpg123 0.1.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate mpg123 0.1.2 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 mpg123 0.1.2
[INFO] finished tweaking crates.io crate mpg123 0.1.2
[INFO] tweaked toml for crates.io crate mpg123 0.1.2 written to /workspace/builds/worker-22/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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] ced10bf4684d1308c83a44dd5a33982b8ef951866116c6ccb37eb598463fefc9
[INFO] running `Command { std: "docker" "start" "-a" "ced10bf4684d1308c83a44dd5a33982b8ef951866116c6ccb37eb598463fefc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced10bf4684d1308c83a44dd5a33982b8ef951866116c6ccb37eb598463fefc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced10bf4684d1308c83a44dd5a33982b8ef951866116c6ccb37eb598463fefc9", kill_on_drop: false }`
[INFO] [stdout] ced10bf4684d1308c83a44dd5a33982b8ef951866116c6ccb37eb598463fefc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 5d20adad7650cb676798796f3e9a497af5760fede4489b7f0b592fd4bdef39cc
[INFO] running `Command { std: "docker" "start" "-a" "5d20adad7650cb676798796f3e9a497af5760fede4489b7f0b592fd4bdef39cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling mpg123-sys v0.6.0
[INFO] [stderr]  Documenting mpg123 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.31s
[INFO] running `Command { std: "docker" "inspect" "5d20adad7650cb676798796f3e9a497af5760fede4489b7f0b592fd4bdef39cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d20adad7650cb676798796f3e9a497af5760fede4489b7f0b592fd4bdef39cc", kill_on_drop: false }`
[INFO] [stdout] 5d20adad7650cb676798796f3e9a497af5760fede4489b7f0b592fd4bdef39cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 7b2120f84d7e993a9c4ec114e8e89c43056388629aa9df9ae15209154509aa91
[INFO] running `Command { std: "docker" "start" "-a" "7b2120f84d7e993a9c4ec114e8e89c43056388629aa9df9ae15209154509aa91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling mpg123-sys v0.6.0
[INFO] [stderr]  Documenting mpg123 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.13s
[INFO] running `Command { std: "docker" "inspect" "7b2120f84d7e993a9c4ec114e8e89c43056388629aa9df9ae15209154509aa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2120f84d7e993a9c4ec114e8e89c43056388629aa9df9ae15209154509aa91", kill_on_drop: false }`
[INFO] [stdout] 7b2120f84d7e993a9c4ec114e8e89c43056388629aa9df9ae15209154509aa91