[INFO] cloning repository https://github.com/buffosens/rust-getting-started
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buffosens/rust-getting-started" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuffosens%2Frust-getting-started", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuffosens%2Frust-getting-started'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d3212c1195a735221805c01d8bdf9165e69b3ec
[INFO] documenting buffosens/rust-getting-started 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%2Fbuffosens%2Frust-getting-started" "/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/buffosens/rust-getting-started 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/buffosens/rust-getting-started
[INFO] finished tweaking git repo https://github.com/buffosens/rust-getting-started
[INFO] tweaked toml for git repo https://github.com/buffosens/rust-getting-started written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/buffosens/rust-getting-started 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 hermit-abi v0.1.8
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded backtrace-sys v0.1.33
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded ferris-says v0.1.1
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc7a76f312872342553e1a483018aecb48386101c41f0c2d70c570dad985606
[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" "8bc7a76f312872342553e1a483018aecb48386101c41f0c2d70c570dad985606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc7a76f312872342553e1a483018aecb48386101c41f0c2d70c570dad985606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc7a76f312872342553e1a483018aecb48386101c41f0c2d70c570dad985606", kill_on_drop: false }`
[INFO] [stdout] 8bc7a76f312872342553e1a483018aecb48386101c41f0c2d70c570dad985606
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f34a7f327161a76bb37dbb049a7a016a10a3a459be94b271a789bbe36c0da0
[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" "05f34a7f327161a76bb37dbb049a7a016a10a3a459be94b271a789bbe36c0da0", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking lexical-core v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.1
[INFO] [stderr]     Checking nom v5.1.1
[INFO] [stderr]  Documenting rust-getting-started v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "05f34a7f327161a76bb37dbb049a7a016a10a3a459be94b271a789bbe36c0da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f34a7f327161a76bb37dbb049a7a016a10a3a459be94b271a789bbe36c0da0", kill_on_drop: false }`
[INFO] [stdout] 05f34a7f327161a76bb37dbb049a7a016a10a3a459be94b271a789bbe36c0da0