[INFO] fetching crate copo 0.1.2...
[INFO] documenting copo-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate copo 0.1.2 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate copo 0.1.2 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 copo 0.1.2
[INFO] finished tweaking crates.io crate copo 0.1.2
[INFO] tweaked toml for crates.io crate copo 0.1.2 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate copo 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded winrt-notification v0.2.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded console v0.14.0
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded notify-rust v4.2.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded dbus v0.9.1
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded winrt v0.4.0
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 4f5d2f1147b1751ffbc87c9004527d3a90356e27a1422302f30de3528ed87fab
[INFO] running `Command { std: "docker" "start" "-a" "4f5d2f1147b1751ffbc87c9004527d3a90356e27a1422302f30de3528ed87fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5d2f1147b1751ffbc87c9004527d3a90356e27a1422302f30de3528ed87fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5d2f1147b1751ffbc87c9004527d3a90356e27a1422302f30de3528ed87fab", kill_on_drop: false }`
[INFO] [stdout] 4f5d2f1147b1751ffbc87c9004527d3a90356e27a1422302f30de3528ed87fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] bdd6d45b89706f630fd2553bbf0ea4d42454cb6c8e0f4fa7d4879aef9772145d
[INFO] running `Command { std: "docker" "start" "-a" "bdd6d45b89706f630fd2553bbf0ea4d42454cb6c8e0f4fa7d4879aef9772145d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking dbus v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking notify-rust v4.2.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]  Documenting copo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "bdd6d45b89706f630fd2553bbf0ea4d42454cb6c8e0f4fa7d4879aef9772145d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd6d45b89706f630fd2553bbf0ea4d42454cb6c8e0f4fa7d4879aef9772145d", kill_on_drop: false }`
[INFO] [stdout] bdd6d45b89706f630fd2553bbf0ea4d42454cb6c8e0f4fa7d4879aef9772145d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] f9bd96382a8b81caa7083cee2b7fa580a64acd038155db008d5d082e8ee0f5b7
[INFO] running `Command { std: "docker" "start" "-a" "f9bd96382a8b81caa7083cee2b7fa580a64acd038155db008d5d082e8ee0f5b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking dbus v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking notify-rust v4.2.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]  Documenting copo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "f9bd96382a8b81caa7083cee2b7fa580a64acd038155db008d5d082e8ee0f5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bd96382a8b81caa7083cee2b7fa580a64acd038155db008d5d082e8ee0f5b7", kill_on_drop: false }`
[INFO] [stdout] f9bd96382a8b81caa7083cee2b7fa580a64acd038155db008d5d082e8ee0f5b7