[INFO] cloning repository https://github.com/jpiche/rust-intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpiche/rust-intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpiche%2Frust-intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpiche%2Frust-intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54525fa3c7e80b594a48b125157d30a212e333fd
[INFO] documenting jpiche/rust-intro 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%2Fjpiche%2Frust-intro" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpiche/rust-intro 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/jpiche/rust-intro
[INFO] finished tweaking git repo https://github.com/jpiche/rust-intro
[INFO] tweaked toml for git repo https://github.com/jpiche/rust-intro written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jpiche/rust-intro 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3f3eecee4c7ba8532b90aa32b74bb7e92042e6e01d1270b80e78aaabc7dfd863
[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" "3f3eecee4c7ba8532b90aa32b74bb7e92042e6e01d1270b80e78aaabc7dfd863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3eecee4c7ba8532b90aa32b74bb7e92042e6e01d1270b80e78aaabc7dfd863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3eecee4c7ba8532b90aa32b74bb7e92042e6e01d1270b80e78aaabc7dfd863", kill_on_drop: false }`
[INFO] [stdout] 3f3eecee4c7ba8532b90aa32b74bb7e92042e6e01d1270b80e78aaabc7dfd863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f66377a6f3d9e3edf09ba213b206e5606e0f5cd0d766874ff988f7fcb67e36fd
[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" "f66377a6f3d9e3edf09ba213b206e5606e0f5cd0d766874ff988f7fcb67e36fd", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "f66377a6f3d9e3edf09ba213b206e5606e0f5cd0d766874ff988f7fcb67e36fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66377a6f3d9e3edf09ba213b206e5606e0f5cd0d766874ff988f7fcb67e36fd", kill_on_drop: false }`
[INFO] [stdout] f66377a6f3d9e3edf09ba213b206e5606e0f5cd0d766874ff988f7fcb67e36fd