[INFO] cloning repository https://github.com/KodrAus/tantivy-log
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KodrAus/tantivy-log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Ftantivy-log", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Ftantivy-log'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27cc7f2c523028921b3bab7facd286bbc122666c
[INFO] documenting KodrAus/tantivy-log against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Ftantivy-log" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KodrAus/tantivy-log on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KodrAus/tantivy-log
[INFO] finished tweaking git repo https://github.com/KodrAus/tantivy-log
[INFO] tweaked toml for git repo https://github.com/KodrAus/tantivy-log written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/KodrAus/tantivy-log already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/KodrAus/log.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded levenshtein_automata v0.1.1
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded downcast v0.9.2
[INFO] [stderr]   Downloaded fail v0.2.0
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded bitpacking v0.5.1
[INFO] [stderr]   Downloaded census v0.1.1
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded combine v3.5.2
[INFO] [stderr]   Downloaded fst-regex v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.31
[INFO] [stderr]   Downloaded syn v0.15.6
[INFO] [stderr]   Downloaded tantivy v0.7.0
[INFO] [stderr]   Downloaded fst v0.3.2
[INFO] [stderr]   Downloaded rental v0.5.2
[INFO] [stderr]   Downloaded rust-stemmers v1.0.2
[INFO] [stderr]   Downloaded owned-read v0.4.0
[INFO] [stderr]   Downloaded erased-serde v0.3.6
[INFO] [stderr]   Downloaded atomicwrites v0.2.2
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded rental-impl v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] db5ac2413811e95a70e228d585d46c0e2aebe80754ccb671ec725ad2e9e6fa16
[INFO] running `Command { std: "docker" "start" "-a" "db5ac2413811e95a70e228d585d46c0e2aebe80754ccb671ec725ad2e9e6fa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db5ac2413811e95a70e228d585d46c0e2aebe80754ccb671ec725ad2e9e6fa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5ac2413811e95a70e228d585d46c0e2aebe80754ccb671ec725ad2e9e6fa16", kill_on_drop: false }`
[INFO] [stdout] db5ac2413811e95a70e228d585d46c0e2aebe80754ccb671ec725ad2e9e6fa16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba893f4164003246e53d0136e683fefb4e27972edd75372f812bfcd4718a22c4
[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" "ba893f4164003246e53d0136e683fefb4e27972edd75372f812bfcd4718a22c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking census v0.1.1
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking bitpacking v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast`
[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" "ba893f4164003246e53d0136e683fefb4e27972edd75372f812bfcd4718a22c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba893f4164003246e53d0136e683fefb4e27972edd75372f812bfcd4718a22c4", kill_on_drop: false }`
[INFO] [stdout] ba893f4164003246e53d0136e683fefb4e27972edd75372f812bfcd4718a22c4
