[INFO] cloning repository https://github.com/Malax/libcnb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Malax/libcnb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalax%2Flibcnb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6452900d4d5d3e198c8acc6fddb9d2b1e8f4cf4f
[INFO] documenting Malax/libcnb 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%2FMalax%2Flibcnb" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Malax/libcnb 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/Malax/libcnb
[INFO] finished tweaking git repo https://github.com/Malax/libcnb
[INFO] tweaked toml for git repo https://github.com/Malax/libcnb written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fancy-regex v0.10.0
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded bollard-stubs v1.42.0-rc.0
[INFO] [stderr]   Downloaded stderrlog v0.5.1
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded bollard v0.12.0
[INFO] [stderr]   Downloaded size_format v1.0.2
[INFO] [stderr]   Downloaded camino v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c2203968997b73b65131604c914a20e57b5260156c4c722185a29294a46e899
[INFO] running `Command { std: "docker" "start" "-a" "1c2203968997b73b65131604c914a20e57b5260156c4c722185a29294a46e899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2203968997b73b65131604c914a20e57b5260156c4c722185a29294a46e899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2203968997b73b65131604c914a20e57b5260156c4c722185a29294a46e899", kill_on_drop: false }`
[INFO] [stdout] 1c2203968997b73b65131604c914a20e57b5260156c4c722185a29294a46e899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c59cb4b88a0dc69dc292ae79a4941db8cefe7674a32d5a0c4511df3afe3e1602
[INFO] running `Command { std: "docker" "start" "-a" "c59cb4b88a0dc69dc292ae79a4941db8cefe7674a32d5a0c4511df3afe3e1602", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking proc-macro2 v1.0.39
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking fancy-regex v0.10.0
[INFO] [stderr]     Checking webpki-roots v0.22.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking size_format v1.0.2
[INFO] [stderr]     Checking ureq v2.4.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking cargo_metadata v0.14.2
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking bollard-stubs v1.42.0-rc.0
[INFO] [stderr]  Documenting libcnb-proc-macros v0.2.1 (/opt/rustwide/workdir/libcnb-proc-macros)
[INFO] [stderr]    Compiling libcnb-proc-macros v0.2.1 (/opt/rustwide/workdir/libcnb-proc-macros)
[INFO] [stderr]     Checking libcnb-data v0.6.0 (/opt/rustwide/workdir/libcnb-data)
[INFO] [stderr]  Documenting libcnb-data v0.6.0 (/opt/rustwide/workdir/libcnb-data)
[INFO] [stderr]     Checking libcnb v0.7.0 (/opt/rustwide/workdir/libcnb)
[INFO] [stderr]     Checking libcnb-package v0.1.1 (/opt/rustwide/workdir/libcnb-package)
[INFO] [stderr]  Documenting libcnb-package v0.1.1 (/opt/rustwide/workdir/libcnb-package)
[INFO] [stderr]  Documenting libcnb v0.7.0 (/opt/rustwide/workdir/libcnb)
[INFO] [stderr]  Documenting libcnb-cargo v0.4.0 (/opt/rustwide/workdir/libcnb-cargo)
[INFO] [stderr]  Documenting examples-execd v0.0.0 (/opt/rustwide/workdir/examples/execd)
[INFO] [stderr]  Documenting examples-ruby-sample v0.0.0 (/opt/rustwide/workdir/examples/ruby-sample)
[INFO] [stderr]  Documenting examples-basics v0.0.0 (/opt/rustwide/workdir/examples/basics)
[INFO] [stderr]     Checking bollard v0.12.0
[INFO] [stderr]  Documenting libcnb-test v0.3.1 (/opt/rustwide/workdir/libcnb-test)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "c59cb4b88a0dc69dc292ae79a4941db8cefe7674a32d5a0c4511df3afe3e1602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59cb4b88a0dc69dc292ae79a4941db8cefe7674a32d5a0c4511df3afe3e1602", kill_on_drop: false }`
[INFO] [stdout] c59cb4b88a0dc69dc292ae79a4941db8cefe7674a32d5a0c4511df3afe3e1602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] ec61263820f896582c2693730d2358eed73b8f9ab375696a44c10b07b44779aa
[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" "ec61263820f896582c2693730d2358eed73b8f9ab375696a44c10b07b44779aa", 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" "ec61263820f896582c2693730d2358eed73b8f9ab375696a44c10b07b44779aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec61263820f896582c2693730d2358eed73b8f9ab375696a44c10b07b44779aa", kill_on_drop: false }`
[INFO] [stdout] ec61263820f896582c2693730d2358eed73b8f9ab375696a44c10b07b44779aa