[INFO] cloning repository https://github.com/tekjar/mqtt311
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tekjar/mqtt311" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7566ce9df5ac31faab1989c66486d784016199a3
[INFO] documenting tekjar/mqtt311 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tekjar/mqtt311 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 git repo https://github.com/tekjar/mqtt311
[INFO] finished tweaking git repo https://github.com/tekjar/mqtt311
[INFO] tweaked toml for git repo https://github.com/tekjar/mqtt311 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/tekjar/mqtt311 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]     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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 34ab232ddcfc0d87c942b4c2af68fe2e986870a3dac78922ca069eb33da04eb0
[INFO] running `Command { std: "docker" "start" "-a" "34ab232ddcfc0d87c942b4c2af68fe2e986870a3dac78922ca069eb33da04eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ab232ddcfc0d87c942b4c2af68fe2e986870a3dac78922ca069eb33da04eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ab232ddcfc0d87c942b4c2af68fe2e986870a3dac78922ca069eb33da04eb0", kill_on_drop: false }`
[INFO] [stdout] 34ab232ddcfc0d87c942b4c2af68fe2e986870a3dac78922ca069eb33da04eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 0de29af46c890ecafb48a9e33aa2df5de2ae63ef19c28892516be624fcdbb95a
[INFO] running `Command { std: "docker" "start" "-a" "0de29af46c890ecafb48a9e33aa2df5de2ae63ef19c28892516be624fcdbb95a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "0de29af46c890ecafb48a9e33aa2df5de2ae63ef19c28892516be624fcdbb95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de29af46c890ecafb48a9e33aa2df5de2ae63ef19c28892516be624fcdbb95a", kill_on_drop: false }`
[INFO] [stdout] 0de29af46c890ecafb48a9e33aa2df5de2ae63ef19c28892516be624fcdbb95a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 7a92b0661bfb0fbbe963727a48e876bdef19dee3fe898dd2799b4d609bf97990
[INFO] running `Command { std: "docker" "start" "-a" "7a92b0661bfb0fbbe963727a48e876bdef19dee3fe898dd2799b4d609bf97990", 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] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "7a92b0661bfb0fbbe963727a48e876bdef19dee3fe898dd2799b4d609bf97990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a92b0661bfb0fbbe963727a48e876bdef19dee3fe898dd2799b4d609bf97990", kill_on_drop: false }`
[INFO] [stdout] 7a92b0661bfb0fbbe963727a48e876bdef19dee3fe898dd2799b4d609bf97990