[INFO] cloning repository https://github.com/acheronfail/r3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acheronfail/r3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fr3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fr3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fae1cf1624cd3e584fa51337432966930f4b69f6
[INFO] documenting acheronfail/r3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fr3" "/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/acheronfail/r3 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 git repo https://github.com/acheronfail/r3
[INFO] finished tweaking git repo https://github.com/acheronfail/r3
[INFO] tweaked toml for git repo https://github.com/acheronfail/r3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/acheronfail/r3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 935ca2003e1a71e698093fc36087c96c9fe50ce564570314e3f595200463d63f
[INFO] running `Command { std: "docker" "start" "-a" "935ca2003e1a71e698093fc36087c96c9fe50ce564570314e3f595200463d63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "935ca2003e1a71e698093fc36087c96c9fe50ce564570314e3f595200463d63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935ca2003e1a71e698093fc36087c96c9fe50ce564570314e3f595200463d63f", kill_on_drop: false }`
[INFO] [stdout] 935ca2003e1a71e698093fc36087c96c9fe50ce564570314e3f595200463d63f
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 468bdbd7683c1e57a10f980dec31768483c8eeccf50b5606afb23694212e25ec
[INFO] running `Command { std: "docker" "start" "-a" "468bdbd7683c1e57a10f980dec31768483c8eeccf50b5606afb23694212e25ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bimap v0.6.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling xcb v1.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking clap v3.1.10
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking r3lib v0.1.0 (/opt/rustwide/workdir/r3lib)
[INFO] [stderr]  Documenting r3lib v0.1.0 (/opt/rustwide/workdir/r3lib)
[INFO] [stderr]  Documenting r3 v0.1.0 (/opt/rustwide/workdir/r3)
[INFO] [stderr]  Documenting r3-msg v0.1.0 (/opt/rustwide/workdir/r3-msg)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "468bdbd7683c1e57a10f980dec31768483c8eeccf50b5606afb23694212e25ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468bdbd7683c1e57a10f980dec31768483c8eeccf50b5606afb23694212e25ec", kill_on_drop: false }`
[INFO] [stdout] 468bdbd7683c1e57a10f980dec31768483c8eeccf50b5606afb23694212e25ec
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 931a5a6f8c6bbedaf6f220602e5ef479226c96c0a0a10dc2cc88caaa7b3c4a81
[INFO] running `Command { std: "docker" "start" "-a" "931a5a6f8c6bbedaf6f220602e5ef479226c96c0a0a10dc2cc88caaa7b3c4a81", 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" "931a5a6f8c6bbedaf6f220602e5ef479226c96c0a0a10dc2cc88caaa7b3c4a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "931a5a6f8c6bbedaf6f220602e5ef479226c96c0a0a10dc2cc88caaa7b3c4a81", kill_on_drop: false }`
[INFO] [stdout] 931a5a6f8c6bbedaf6f220602e5ef479226c96c0a0a10dc2cc88caaa7b3c4a81