[INFO] cloning repository https://github.com/c2hub/pebble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c2hub/pebble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0200072dbc79f1b2a01c912a72732af19c8c8be6
[INFO] documenting c2hub/pebble against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c2hub/pebble on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/c2hub/pebble
[INFO] finished tweaking git repo https://github.com/c2hub/pebble
[INFO] tweaked toml for git repo https://github.com/c2hub/pebble written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/c2hub/pebble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3213bc66e702f75609b5addadcab30c4d1fcce7699803c1dfb64026d41f4f898
[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" "3213bc66e702f75609b5addadcab30c4d1fcce7699803c1dfb64026d41f4f898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3213bc66e702f75609b5addadcab30c4d1fcce7699803c1dfb64026d41f4f898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3213bc66e702f75609b5addadcab30c4d1fcce7699803c1dfb64026d41f4f898", kill_on_drop: false }`
[INFO] [stdout] 3213bc66e702f75609b5addadcab30c4d1fcce7699803c1dfb64026d41f4f898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "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] 1a39a1ac76b3022e427214f2736c27aa7383c76337c2bf7aa688674e6b8c755d
[INFO] running `Command { std: "docker" "start" "-a" "1a39a1ac76b3022e427214f2736c27aa7383c76337c2bf7aa688674e6b8c755d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]     Checking serde v1.0.4
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking lzf v0.3.1
[INFO] [stderr]     Checking recipe-reader v0.9.11
[INFO] [stderr]     Checking version-compare v0.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.3
[INFO] [stderr]     Checking num_cpus v1.5.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]    Compiling hyper v0.10.11
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stdout] error[E0621]: explicit lifetime required in the type of `other`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version-compare-0.0.4/src/version.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn compare(&self, other: &Version) -> CompOp {
[INFO] [stdout]     |                                  -------- help: add explicit lifetime `'a` to the type of `other`: `&version::Version<'a>`
[INFO] [stdout] ...
[INFO] [stdout] 308 |             other.parts.iter().peekable()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime `'a` required
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0621`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `version-compare`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1a39a1ac76b3022e427214f2736c27aa7383c76337c2bf7aa688674e6b8c755d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a39a1ac76b3022e427214f2736c27aa7383c76337c2bf7aa688674e6b8c755d", kill_on_drop: false }`
[INFO] [stdout] 1a39a1ac76b3022e427214f2736c27aa7383c76337c2bf7aa688674e6b8c755d