[INFO] cloning repository https://github.com/foxfriends/git-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foxfriends/git-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxfriends%2Fgit-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoxfriends%2Fgit-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c0c59a6ea2ad123b5aea60bbafb607e9e3f43a4
[INFO] documenting foxfriends/git-project 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%2Ffoxfriends%2Fgit-project" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foxfriends/git-project 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/foxfriends/git-project
[INFO] finished tweaking git repo https://github.com/foxfriends/git-project
[INFO] tweaked toml for git repo https://github.com/foxfriends/git-project written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/foxfriends/git-project 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 enum-map v0.6.1
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded enumset_derive v0.4.3
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded array-macro v1.0.4
[INFO] [stderr]   Downloaded cursive v0.13.0
[INFO] [stderr]   Downloaded libgit2-sys v0.9.1
[INFO] [stderr]   Downloaded enumset v0.4.4
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded git2 v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 48e5bef2b49c3c0ed38bfea9ef1e667a2631d7c2151d3a1f5a7a20d096b9cba9
[INFO] running `Command { std: "docker" "start" "-a" "48e5bef2b49c3c0ed38bfea9ef1e667a2631d7c2151d3a1f5a7a20d096b9cba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e5bef2b49c3c0ed38bfea9ef1e667a2631d7c2151d3a1f5a7a20d096b9cba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e5bef2b49c3c0ed38bfea9ef1e667a2631d7c2151d3a1f5a7a20d096b9cba9", kill_on_drop: false }`
[INFO] [stdout] 48e5bef2b49c3c0ed38bfea9ef1e667a2631d7c2151d3a1f5a7a20d096b9cba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 013c18208a024cf83acc394ecb35a7638aa8a80ef463f8d75dfde1631aa1350c
[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" "013c18208a024cf83acc394ecb35a7638aa8a80ef463f8d75dfde1631aa1350c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]  Documenting git-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `Command { std: "docker" "inspect" "013c18208a024cf83acc394ecb35a7638aa8a80ef463f8d75dfde1631aa1350c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013c18208a024cf83acc394ecb35a7638aa8a80ef463f8d75dfde1631aa1350c", kill_on_drop: false }`
[INFO] [stdout] 013c18208a024cf83acc394ecb35a7638aa8a80ef463f8d75dfde1631aa1350c