[INFO] cloning repository https://github.com/watkinsm/IBM-Model-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/watkinsm/IBM-Model-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatkinsm%2FIBM-Model-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatkinsm%2FIBM-Model-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d25d126b026d8b853f4eafde2e5d033234d6c09
[INFO] documenting watkinsm/IBM-Model-1 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%2Fwatkinsm%2FIBM-Model-1" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watkinsm/IBM-Model-1 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] started tweaking git repo https://github.com/watkinsm/IBM-Model-1
[INFO] finished tweaking git repo https://github.com/watkinsm/IBM-Model-1
[INFO] tweaked toml for git repo https://github.com/watkinsm/IBM-Model-1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/watkinsm/IBM-Model-1 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 nlp-tokenize v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1f8ef1de0190946aeb907a1a9cc0c255ed8b0f80476e8b6607bdfa50f3152212
[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" "1f8ef1de0190946aeb907a1a9cc0c255ed8b0f80476e8b6607bdfa50f3152212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8ef1de0190946aeb907a1a9cc0c255ed8b0f80476e8b6607bdfa50f3152212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8ef1de0190946aeb907a1a9cc0c255ed8b0f80476e8b6607bdfa50f3152212", kill_on_drop: false }`
[INFO] [stdout] 1f8ef1de0190946aeb907a1a9cc0c255ed8b0f80476e8b6607bdfa50f3152212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b8b594905de1c211344435c563ef1a3b18db2019838a5c90d8ca53fc3cfe2d3d
[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" "b8b594905de1c211344435c563ef1a3b18db2019838a5c90d8ca53fc3cfe2d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking stdinout v0.4.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking counter v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking nlp-tokenize v0.1.0
[INFO] [stderr]  Documenting alignment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "b8b594905de1c211344435c563ef1a3b18db2019838a5c90d8ca53fc3cfe2d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b594905de1c211344435c563ef1a3b18db2019838a5c90d8ca53fc3cfe2d3d", kill_on_drop: false }`
[INFO] [stdout] b8b594905de1c211344435c563ef1a3b18db2019838a5c90d8ca53fc3cfe2d3d