[INFO] fetching crate miette-derive 4.7.1...
[INFO] documenting miette-derive-4.7.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate miette-derive 4.7.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate miette-derive 4.7.1 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 miette-derive 4.7.1
[INFO] finished tweaking crates.io crate miette-derive 4.7.1
[INFO] tweaked toml for crates.io crate miette-derive 4.7.1 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] 1f30f74c9ed22019ca2b9ec1fb0ba36503554c9c47b36b1acc789192bea4e52f
[INFO] running `Command { std: "docker" "start" "-a" "1f30f74c9ed22019ca2b9ec1fb0ba36503554c9c47b36b1acc789192bea4e52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f30f74c9ed22019ca2b9ec1fb0ba36503554c9c47b36b1acc789192bea4e52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f30f74c9ed22019ca2b9ec1fb0ba36503554c9c47b36b1acc789192bea4e52f", kill_on_drop: false }`
[INFO] [stdout] 1f30f74c9ed22019ca2b9ec1fb0ba36503554c9c47b36b1acc789192bea4e52f
[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] d8290fe3217a8e4e7ef577bfb78099f561192d0b4ac99df5b81a6ab9f23403e9
[INFO] running `Command { std: "docker" "start" "-a" "d8290fe3217a8e4e7ef577bfb78099f561192d0b4ac99df5b81a6ab9f23403e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking syn v1.0.95
[INFO] [stderr]  Documenting miette-derive v4.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "d8290fe3217a8e4e7ef577bfb78099f561192d0b4ac99df5b81a6ab9f23403e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8290fe3217a8e4e7ef577bfb78099f561192d0b4ac99df5b81a6ab9f23403e9", kill_on_drop: false }`
[INFO] [stdout] d8290fe3217a8e4e7ef577bfb78099f561192d0b4ac99df5b81a6ab9f23403e9
[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] ba25c7dc561085577e4890aa1a22160135e335f8fd1170725628ddf3c9bebeea
[INFO] running `Command { std: "docker" "start" "-a" "ba25c7dc561085577e4890aa1a22160135e335f8fd1170725628ddf3c9bebeea", 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 miette-derive v4.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "ba25c7dc561085577e4890aa1a22160135e335f8fd1170725628ddf3c9bebeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba25c7dc561085577e4890aa1a22160135e335f8fd1170725628ddf3c9bebeea", kill_on_drop: false }`
[INFO] [stdout] ba25c7dc561085577e4890aa1a22160135e335f8fd1170725628ddf3c9bebeea