[INFO] fetching crate cargo-pio 0.20.5...
[INFO] documenting cargo-pio-0.20.5 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-pio 0.20.5 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate cargo-pio 0.20.5 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-pio 0.20.5
[INFO] finished tweaking crates.io crate cargo-pio 0.20.5
[INFO] tweaked toml for crates.io crate cargo-pio 0.20.5 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate cargo-pio 0.20.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded bindgen v0.57.0
[INFO] [stderr]   Downloaded xmas-elf v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f407bdd604ba77df19783e58d70cb5dd7b7ceb7164e22ac8bf5857c9f4db66b
[INFO] running `Command { std: "docker" "start" "-a" "2f407bdd604ba77df19783e58d70cb5dd7b7ceb7164e22ac8bf5857c9f4db66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f407bdd604ba77df19783e58d70cb5dd7b7ceb7164e22ac8bf5857c9f4db66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f407bdd604ba77df19783e58d70cb5dd7b7ceb7164e22ac8bf5857c9f4db66b", kill_on_drop: false }`
[INFO] [stdout] 2f407bdd604ba77df19783e58d70cb5dd7b7ceb7164e22ac8bf5857c9f4db66b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a945d487c805fd6ee2dc8adf84678b730b9da1f4c7723a2ab5f53fc4465abee3
[INFO] running `Command { std: "docker" "start" "-a" "a945d487c805fd6ee2dc8adf84678b730b9da1f4c7723a2ab5f53fc4465abee3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking proc-macro2 v1.0.27
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking xmas-elf v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking cargo_toml v0.9.2
[INFO] [stderr]     Checking cargo-pio v0.20.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cargo-pio v0.20.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.92s
[INFO] running `Command { std: "docker" "inspect" "a945d487c805fd6ee2dc8adf84678b730b9da1f4c7723a2ab5f53fc4465abee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a945d487c805fd6ee2dc8adf84678b730b9da1f4c7723a2ab5f53fc4465abee3", kill_on_drop: false }`
[INFO] [stdout] a945d487c805fd6ee2dc8adf84678b730b9da1f4c7723a2ab5f53fc4465abee3
