[INFO] cloning repository https://github.com/ttymck/stoichkit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttymck/stoichkit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttymck%2Fstoichkit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttymck%2Fstoichkit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 964026ed4eec5d23c53a771c4be14f8db964c59a
[INFO] documenting ttymck/stoichkit 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%2Fttymck%2Fstoichkit" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttymck/stoichkit 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/ttymck/stoichkit
[INFO] finished tweaking git repo https://github.com/ttymck/stoichkit
[INFO] tweaked toml for git repo https://github.com/ttymck/stoichkit written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ttymck/stoichkit 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 505cb08e31cd8651ccc921fc81b4ac45eeabfb551b4fc6e67ef20210ab83a532
[INFO] running `Command { std: "docker" "start" "-a" "505cb08e31cd8651ccc921fc81b4ac45eeabfb551b4fc6e67ef20210ab83a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505cb08e31cd8651ccc921fc81b4ac45eeabfb551b4fc6e67ef20210ab83a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505cb08e31cd8651ccc921fc81b4ac45eeabfb551b4fc6e67ef20210ab83a532", kill_on_drop: false }`
[INFO] [stdout] 505cb08e31cd8651ccc921fc81b4ac45eeabfb551b4fc6e67ef20210ab83a532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1447664020a4419d2b28ad290610b0afe356f678ae44447b20a197bd6ad9ba18
[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" "1447664020a4419d2b28ad290610b0afe356f678ae44447b20a197bd6ad9ba18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.3.1
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling rug v1.10.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling ptable v0.3.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.57
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1447664020a4419d2b28ad290610b0afe356f678ae44447b20a197bd6ad9ba18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1447664020a4419d2b28ad290610b0afe356f678ae44447b20a197bd6ad9ba18", kill_on_drop: false }`
[INFO] [stdout] 1447664020a4419d2b28ad290610b0afe356f678ae44447b20a197bd6ad9ba18