[INFO] cloning repository https://github.com/hone/helix_docopt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hone/helix_docopt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhelix_docopt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhelix_docopt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68da166b35dd14884bf96f25e00520749e45e98b
[INFO] documenting hone/helix_docopt 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%2Fhone%2Fhelix_docopt" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hone/helix_docopt 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/hone/helix_docopt
[INFO] finished tweaking git repo https://github.com/hone/helix_docopt
[INFO] tweaked toml for git repo https://github.com/hone/helix_docopt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hone/helix_docopt 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] f0474b336e329faa8a6ffe6086b3146ceed1fa98ec3c0240e55c6271a71e8938
[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" "f0474b336e329faa8a6ffe6086b3146ceed1fa98ec3c0240e55c6271a71e8938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0474b336e329faa8a6ffe6086b3146ceed1fa98ec3c0240e55c6271a71e8938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0474b336e329faa8a6ffe6086b3146ceed1fa98ec3c0240e55c6271a71e8938", kill_on_drop: false }`
[INFO] [stdout] f0474b336e329faa8a6ffe6086b3146ceed1fa98ec3c0240e55c6271a71e8938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e45ed435a3aa03cf78b16ec96d46e51020de6c782df6a790f8fdce2ff08516cf
[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" "e45ed435a3aa03cf78b16ec96d46e51020de6c782df6a790f8fdce2ff08516cf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling libcruby-sys v0.7.3
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking helix v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]  Documenting helix_docopt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `Command { std: "docker" "inspect" "e45ed435a3aa03cf78b16ec96d46e51020de6c782df6a790f8fdce2ff08516cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45ed435a3aa03cf78b16ec96d46e51020de6c782df6a790f8fdce2ff08516cf", kill_on_drop: false }`
[INFO] [stdout] e45ed435a3aa03cf78b16ec96d46e51020de6c782df6a790f8fdce2ff08516cf