[INFO] fetching crate amper_mac 0.1.0...
[INFO] documenting amper_mac-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate amper_mac 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate amper_mac 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] started tweaking crates.io crate amper_mac 0.1.0
[INFO] finished tweaking crates.io crate amper_mac 0.1.0
[INFO] tweaked toml for crates.io crate amper_mac 0.1.0 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ca856ba2429add72a064c1930e1e0c2b25dceb43107a5075800dd86a6640e669
[INFO] running `Command { std: "docker" "start" "-a" "ca856ba2429add72a064c1930e1e0c2b25dceb43107a5075800dd86a6640e669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca856ba2429add72a064c1930e1e0c2b25dceb43107a5075800dd86a6640e669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca856ba2429add72a064c1930e1e0c2b25dceb43107a5075800dd86a6640e669", kill_on_drop: false }`
[INFO] [stdout] ca856ba2429add72a064c1930e1e0c2b25dceb43107a5075800dd86a6640e669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e8a7f84f49d3829568ff3bf73cdec39024e13f8840c4297e3ad9b4eef46e7341
[INFO] running `Command { std: "docker" "start" "-a" "e8a7f84f49d3829568ff3bf73cdec39024e13f8840c4297e3ad9b4eef46e7341", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting amper_mac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "e8a7f84f49d3829568ff3bf73cdec39024e13f8840c4297e3ad9b4eef46e7341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a7f84f49d3829568ff3bf73cdec39024e13f8840c4297e3ad9b4eef46e7341", kill_on_drop: false }`
[INFO] [stdout] e8a7f84f49d3829568ff3bf73cdec39024e13f8840c4297e3ad9b4eef46e7341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] fd1171f890a6af2bf763d2962daa4f36fbdfdbe3018bc2d35ae842e167186154
[INFO] running `Command { std: "docker" "start" "-a" "fd1171f890a6af2bf763d2962daa4f36fbdfdbe3018bc2d35ae842e167186154", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting amper_mac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "fd1171f890a6af2bf763d2962daa4f36fbdfdbe3018bc2d35ae842e167186154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1171f890a6af2bf763d2962daa4f36fbdfdbe3018bc2d35ae842e167186154", kill_on_drop: false }`
[INFO] [stdout] fd1171f890a6af2bf763d2962daa4f36fbdfdbe3018bc2d35ae842e167186154