[INFO] cloning repository https://github.com/CRHarding/simple-rust-first-word
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CRHarding/simple-rust-first-word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRHarding%2Fsimple-rust-first-word", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCRHarding%2Fsimple-rust-first-word'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf2d118859ebe93ec996ea011f4146d5fcb62868
[INFO] documenting CRHarding/simple-rust-first-word 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%2FCRHarding%2Fsimple-rust-first-word" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CRHarding/simple-rust-first-word 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/CRHarding/simple-rust-first-word
[INFO] finished tweaking git repo https://github.com/CRHarding/simple-rust-first-word
[INFO] tweaked toml for git repo https://github.com/CRHarding/simple-rust-first-word written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/CRHarding/simple-rust-first-word 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b57310f5bccf0786c4bc00d51758622960a64200aba067c0d6d1edd9286426df
[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" "b57310f5bccf0786c4bc00d51758622960a64200aba067c0d6d1edd9286426df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57310f5bccf0786c4bc00d51758622960a64200aba067c0d6d1edd9286426df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57310f5bccf0786c4bc00d51758622960a64200aba067c0d6d1edd9286426df", kill_on_drop: false }`
[INFO] [stdout] b57310f5bccf0786c4bc00d51758622960a64200aba067c0d6d1edd9286426df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 86b0586673e1810ba521d5068fa4837e7cfb945cde4cc557a553c5d7528b42b3
[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" "86b0586673e1810ba521d5068fa4837e7cfb945cde4cc557a553c5d7528b42b3", kill_on_drop: false }`
[INFO] [stderr]  Documenting first_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "86b0586673e1810ba521d5068fa4837e7cfb945cde4cc557a553c5d7528b42b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b0586673e1810ba521d5068fa4837e7cfb945cde4cc557a553c5d7528b42b3", kill_on_drop: false }`
[INFO] [stdout] 86b0586673e1810ba521d5068fa4837e7cfb945cde4cc557a553c5d7528b42b3