[INFO] cloning repository https://github.com/yoshinari-nomura/db_sample-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshinari-nomura/db_sample-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshinari-nomura%2Fdb_sample-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshinari-nomura%2Fdb_sample-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 544e2fd16dce00eb805a9d0b394c9bca5de890a7
[INFO] documenting yoshinari-nomura/db_sample-rs 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%2Fyoshinari-nomura%2Fdb_sample-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshinari-nomura/db_sample-rs 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/yoshinari-nomura/db_sample-rs
[INFO] finished tweaking git repo https://github.com/yoshinari-nomura/db_sample-rs
[INFO] tweaked toml for git repo https://github.com/yoshinari-nomura/db_sample-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshinari-nomura/db_sample-rs 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8dd6fab8121593ff1e5cd28e99b8012b9b0e7fb8ba80dc781d516c7fd3b46d6c
[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" "8dd6fab8121593ff1e5cd28e99b8012b9b0e7fb8ba80dc781d516c7fd3b46d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd6fab8121593ff1e5cd28e99b8012b9b0e7fb8ba80dc781d516c7fd3b46d6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd6fab8121593ff1e5cd28e99b8012b9b0e7fb8ba80dc781d516c7fd3b46d6c", kill_on_drop: false }`
[INFO] [stdout] 8dd6fab8121593ff1e5cd28e99b8012b9b0e7fb8ba80dc781d516c7fd3b46d6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5b59a5ea047467d7bfe968bfa8b3dc136b8fdd5e4a1b672b4c591478083b5760
[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" "5b59a5ea047467d7bfe968bfa8b3dc136b8fdd5e4a1b672b4c591478083b5760", kill_on_drop: false }`
[INFO] [stderr]  Documenting db_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "5b59a5ea047467d7bfe968bfa8b3dc136b8fdd5e4a1b672b4c591478083b5760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b59a5ea047467d7bfe968bfa8b3dc136b8fdd5e4a1b672b4c591478083b5760", kill_on_drop: false }`
[INFO] [stdout] 5b59a5ea047467d7bfe968bfa8b3dc136b8fdd5e4a1b672b4c591478083b5760