[INFO] cloning repository https://github.com/inalpha/csvmerge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inalpha/csvmerge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finalpha%2Fcsvmerge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finalpha%2Fcsvmerge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 458bb3d078828fe1cb5ab9a0abeff03e4909f5ca
[INFO] documenting inalpha/csvmerge against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finalpha%2Fcsvmerge" "/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/inalpha/csvmerge on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/inalpha/csvmerge
[INFO] finished tweaking git repo https://github.com/inalpha/csvmerge
[INFO] tweaked toml for git repo https://github.com/inalpha/csvmerge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/inalpha/csvmerge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.9.1
[INFO] [stderr]   Downloaded rust-ini v0.12.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a43278c6bbd0dd93879818361f515c797f529ac63de363fda143a99c52469da
[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" "1a43278c6bbd0dd93879818361f515c797f529ac63de363fda143a99c52469da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a43278c6bbd0dd93879818361f515c797f529ac63de363fda143a99c52469da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a43278c6bbd0dd93879818361f515c797f529ac63de363fda143a99c52469da", kill_on_drop: false }`
[INFO] [stdout] 1a43278c6bbd0dd93879818361f515c797f529ac63de363fda143a99c52469da
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b31fffd7aac2e61e19fc63cc080d3ab27efaf34431e57a145c743cf46efbad9
[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" "0b31fffd7aac2e61e19fc63cc080d3ab27efaf34431e57a145c743cf46efbad9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking toml v0.4.7
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]  Documenting csvmerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.53s
[INFO] running `Command { std: "docker" "inspect" "0b31fffd7aac2e61e19fc63cc080d3ab27efaf34431e57a145c743cf46efbad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b31fffd7aac2e61e19fc63cc080d3ab27efaf34431e57a145c743cf46efbad9", kill_on_drop: false }`
[INFO] [stdout] 0b31fffd7aac2e61e19fc63cc080d3ab27efaf34431e57a145c743cf46efbad9