[INFO] cloning repository https://github.com/remexre/datalog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/datalog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fdatalog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fdatalog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58da741a50543d581c6f29a5a56dac7b90dec907
[INFO] documenting remexre/datalog 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%2Fremexre%2Fdatalog" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/datalog 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/remexre/datalog
[INFO] finished tweaking git repo https://github.com/remexre/datalog
[INFO] tweaked toml for git repo https://github.com/remexre/datalog written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/datalog 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 pest_derive v1.0.2
[INFO] [stderr]   Downloaded try_opt v0.1.1
[INFO] [stderr]   Downloaded liner v0.4.4
[INFO] [stderr]   Downloaded pest v1.0.2
[INFO] [stderr]   Downloaded proptest v0.4.2
[INFO] [stderr]   Downloaded sparkly v0.1.4
[INFO] [stderr]   Downloaded bytecount v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ce85bdeea0ab09e4f085f299ab29c2a7e2cb5cab86c8809ada9e2a3735a2b940
[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" "ce85bdeea0ab09e4f085f299ab29c2a7e2cb5cab86c8809ada9e2a3735a2b940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce85bdeea0ab09e4f085f299ab29c2a7e2cb5cab86c8809ada9e2a3735a2b940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce85bdeea0ab09e4f085f299ab29c2a7e2cb5cab86c8809ada9e2a3735a2b940", kill_on_drop: false }`
[INFO] [stdout] ce85bdeea0ab09e4f085f299ab29c2a7e2cb5cab86c8809ada9e2a3735a2b940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6301da9bdbcf1bb626a1978ee20d70a6bdaedf194e314c3e178ddbc27faca1f5
[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" "6301da9bdbcf1bb626a1978ee20d70a6bdaedf194e314c3e178ddbc27faca1f5", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling pest v1.0.2
[INFO] [stderr]     Checking bytecount v0.1.7
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking symbol v0.1.1
[INFO] [stderr]     Checking itertools v0.7.6
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]    Compiling pest_derive v1.0.2
[INFO] [stderr]     Checking liner v0.4.4
[INFO] [stdout] error[E0503]: cannot use `self.key_bindings` because it was mutably borrowed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |             let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer));
[INFO] [stdout]    |                                                                        ---- borrow of `*self` occurs here
[INFO] [stdout] 97 |             match self.key_bindings {
[INFO] [stdout] 98 |                 KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ use of borrowed `*self`
[INFO] [stdout] 99 |                 KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler),
[INFO] [stdout]    |                                                                      -- borrow later used here
[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 E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `liner`.
[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" "6301da9bdbcf1bb626a1978ee20d70a6bdaedf194e314c3e178ddbc27faca1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6301da9bdbcf1bb626a1978ee20d70a6bdaedf194e314c3e178ddbc27faca1f5", kill_on_drop: false }`
[INFO] [stdout] 6301da9bdbcf1bb626a1978ee20d70a6bdaedf194e314c3e178ddbc27faca1f5