[INFO] cloning repository https://github.com/das-labor/cand-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/das-labor/cand-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas-labor%2Fcand-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2152b479cf0aabab697ffd79301588b70558622
[INFO] documenting das-labor/cand-rs 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%2Fdas-labor%2Fcand-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/das-labor/cand-rs 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/das-labor/cand-rs
[INFO] finished tweaking git repo https://github.com/das-labor/cand-rs
[INFO] tweaked toml for git repo https://github.com/das-labor/cand-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/das-labor/cand-rs 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 tokio-serial v4.3.3
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0751f01e4c23c3918c67bbf966006318645d56449b68fc76436600d5845917db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0751f01e4c23c3918c67bbf966006318645d56449b68fc76436600d5845917db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0751f01e4c23c3918c67bbf966006318645d56449b68fc76436600d5845917db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0751f01e4c23c3918c67bbf966006318645d56449b68fc76436600d5845917db", kill_on_drop: false }`
[INFO] [stdout] 0751f01e4c23c3918c67bbf966006318645d56449b68fc76436600d5845917db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 672a816e57c7a805341c329e020a92d38b1b8dfa4db0ea08deed082a456c9872
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "672a816e57c7a805341c329e020a92d38b1b8dfa4db0ea08deed082a456c9872", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking lab-can-tcp-proto v0.1.0 (/opt/rustwide/workdir/lab-can-tcp-proto)
[INFO] [stderr]  Documenting lab-can-tcp-proto v0.1.0 (/opt/rustwide/workdir/lab-can-tcp-proto)
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]  Documenting cand v0.1.0 (/opt/rustwide/workdir/cand)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.94s
[INFO] running `Command { std: "docker" "inspect" "672a816e57c7a805341c329e020a92d38b1b8dfa4db0ea08deed082a456c9872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672a816e57c7a805341c329e020a92d38b1b8dfa4db0ea08deed082a456c9872", kill_on_drop: false }`
[INFO] [stdout] 672a816e57c7a805341c329e020a92d38b1b8dfa4db0ea08deed082a456c9872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01e26ffa15b54aa3c5f5130575bd8670c91aea278e18f50e34ad5c60431f07e5
[INFO] running `Command { std: "docker" "start" "-a" "01e26ffa15b54aa3c5f5130575bd8670c91aea278e18f50e34ad5c60431f07e5", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "01e26ffa15b54aa3c5f5130575bd8670c91aea278e18f50e34ad5c60431f07e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e26ffa15b54aa3c5f5130575bd8670c91aea278e18f50e34ad5c60431f07e5", kill_on_drop: false }`
[INFO] [stdout] 01e26ffa15b54aa3c5f5130575bd8670c91aea278e18f50e34ad5c60431f07e5