[INFO] cloning repository https://github.com/0jdxt/rema
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0jdxt/rema" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0jdxt%2Frema", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0jdxt%2Frema'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 198525a7ea12f2e98cfbe3bedd71eb80fed4a8a2
[INFO] documenting 0jdxt/rema against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0jdxt%2Frema" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0jdxt/rema on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0jdxt/rema
[INFO] finished tweaking git repo https://github.com/0jdxt/rema
[INFO] tweaked toml for git repo https://github.com/0jdxt/rema written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/0jdxt/rema already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded serde_yaml v0.8.12
[INFO] [stderr]   Downloaded git2 v0.13.6
[INFO] [stderr]   Downloaded object v0.19.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.17
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]   Downloaded ron v0.6.0
[INFO] [stderr]   Downloaded backtrace v0.3.48
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "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] 1dd26ee00d41c1ebe8b7f2087c475ad12915cb30f1745ed3b7ac0b7f07041b05
[INFO] running `Command { std: "docker" "start" "-a" "1dd26ee00d41c1ebe8b7f2087c475ad12915cb30f1745ed3b7ac0b7f07041b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd26ee00d41c1ebe8b7f2087c475ad12915cb30f1745ed3b7ac0b7f07041b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd26ee00d41c1ebe8b7f2087c475ad12915cb30f1745ed3b7ac0b7f07041b05", kill_on_drop: false }`
[INFO] [stdout] 1dd26ee00d41c1ebe8b7f2087c475ad12915cb30f1745ed3b7ac0b7f07041b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 26aed5d32f09773f02baa7449809488294e667da58f6a28c75dabe6ee78e34ec
[INFO] running `Command { std: "docker" "start" "-a" "26aed5d32f09773f02baa7449809488294e667da58f6a28c75dabe6ee78e34ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.6+1.0.0
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]  Documenting rema v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.15s
[INFO] running `Command { std: "docker" "inspect" "26aed5d32f09773f02baa7449809488294e667da58f6a28c75dabe6ee78e34ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26aed5d32f09773f02baa7449809488294e667da58f6a28c75dabe6ee78e34ec", kill_on_drop: false }`
[INFO] [stdout] 26aed5d32f09773f02baa7449809488294e667da58f6a28c75dabe6ee78e34ec