[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] c0f98ec3d6c4cb49455c18f2aeb83c0dcbad1bc4
[INFO] documenting euclio/vim-markdown-composer against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fvim-markdown-composer" "/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/euclio/vim-markdown-composer on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+1.46.0" "fetch" "--locked" "--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] 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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] ccd88f2156baf9aff0d90b31afa1b3c369fbb5f85eee16eb200cff1cf9391a9d
[INFO] running `Command { std: "docker" "start" "-a" "ccd88f2156baf9aff0d90b31afa1b3c369fbb5f85eee16eb200cff1cf9391a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd88f2156baf9aff0d90b31afa1b3c369fbb5f85eee16eb200cff1cf9391a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd88f2156baf9aff0d90b31afa1b3c369fbb5f85eee16eb200cff1cf9391a9d", kill_on_drop: false }`
[INFO] [stdout] ccd88f2156baf9aff0d90b31afa1b3c369fbb5f85eee16eb200cff1cf9391a9d
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e20fcb507b7045989d565bcd6a75699bafa0be81b683d45b954f4c6c289c9d1
[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" "9e20fcb507b7045989d565bcd6a75699bafa0be81b683d45b954f4c6c289c9d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[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 serde v1.0.115
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking handlebars v3.4.0
[INFO] [stderr]     Checking log4rs v0.9.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[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 17s
[INFO] running `Command { std: "docker" "inspect" "9e20fcb507b7045989d565bcd6a75699bafa0be81b683d45b954f4c6c289c9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e20fcb507b7045989d565bcd6a75699bafa0be81b683d45b954f4c6c289c9d1", kill_on_drop: false }`
[INFO] [stdout] 9e20fcb507b7045989d565bcd6a75699bafa0be81b683d45b954f4c6c289c9d1