[INFO] cloning repository https://github.com/euclio/vim-markdown-composer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euclio/vim-markdown-composer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fvim-markdown-composer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fvim-markdown-composer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b79f425ebd28216d9aa472be3ba07cda41d9b24
[INFO] documenting euclio/vim-markdown-composer 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%2Feuclio%2Fvim-markdown-composer" "/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/euclio/vim-markdown-composer 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/euclio/vim-markdown-composer
[INFO] finished tweaking git repo https://github.com/euclio/vim-markdown-composer
[INFO] tweaked toml for git repo https://github.com/euclio/vim-markdown-composer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/euclio/vim-markdown-composer 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 handlebars v3.4.0
[INFO] [stderr]   Downloaded log4rs v0.9.0
[INFO] [stderr]   Downloaded aurelius v0.7.3
[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] 0a0e5cbd7ef02e10b2417c95dad2c7ece6f408e957be77b7b6efc833c11048ce
[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" "0a0e5cbd7ef02e10b2417c95dad2c7ece6f408e957be77b7b6efc833c11048ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a0e5cbd7ef02e10b2417c95dad2c7ece6f408e957be77b7b6efc833c11048ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0e5cbd7ef02e10b2417c95dad2c7ece6f408e957be77b7b6efc833c11048ce", kill_on_drop: false }`
[INFO] [stdout] 0a0e5cbd7ef02e10b2417c95dad2c7ece6f408e957be77b7b6efc833c11048ce
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b33c356958348d49a3f4854b1fd4108100233abb974fad2b096c69c095794931
[INFO] running `Command { std: "docker" "start" "-a" "b33c356958348d49a3f4854b1fd4108100233abb974fad2b096c69c095794931", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling include_dir_impl v0.5.0
[INFO] [stderr]     Checking include_dir v0.5.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking handlebars v3.4.0
[INFO] [stderr]     Checking log4rs v0.9.0
[INFO] [stderr]     Checking aurelius v0.7.3
[INFO] [stderr]  Documenting markdown-composer v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "b33c356958348d49a3f4854b1fd4108100233abb974fad2b096c69c095794931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33c356958348d49a3f4854b1fd4108100233abb974fad2b096c69c095794931", kill_on_drop: false }`
[INFO] [stdout] b33c356958348d49a3f4854b1fd4108100233abb974fad2b096c69c095794931