[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-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodrAus%2Ftantivy-log" "/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/KodrAus/tantivy-log 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/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-10/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-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/KodrAus/log.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded census v0.1.1 [INFO] [stderr] Downloaded crunchy v0.1.6 [INFO] [stderr] Downloaded bitpacking v0.5.1 [INFO] [stderr] Downloaded combine v3.5.2 [INFO] [stderr] Downloaded owned-read v0.4.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.0 [INFO] [stderr] Downloaded downcast v0.9.2 [INFO] [stderr] Downloaded fst-regex v0.2.1 [INFO] [stderr] Downloaded htmlescape v0.3.1 [INFO] [stderr] Downloaded syn v0.15.6 [INFO] [stderr] Downloaded fst v0.3.2 [INFO] [stderr] Downloaded levenshtein_automata v0.1.1 [INFO] [stderr] Downloaded atomicwrites v0.2.2 [INFO] [stderr] Downloaded futures v0.1.24 [INFO] [stderr] Downloaded fail v0.2.0 [INFO] [stderr] Downloaded rust-stemmers v1.0.2 [INFO] [stderr] Downloaded rental-impl v0.5.2 [INFO] [stderr] Downloaded rental v0.5.2 [INFO] [stderr] Downloaded tantivy v0.7.0 [INFO] [stderr] Downloaded snap v0.2.5 [INFO] [stderr] Downloaded serde_json v1.0.31 [INFO] [stderr] Downloaded erased-serde v0.3.6 [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] 81ed634e944841a9589deada4446b45582516d3666437954061dc8446ec73d83 [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" "81ed634e944841a9589deada4446b45582516d3666437954061dc8446ec73d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81ed634e944841a9589deada4446b45582516d3666437954061dc8446ec73d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ed634e944841a9589deada4446b45582516d3666437954061dc8446ec73d83", kill_on_drop: false }` [INFO] [stdout] 81ed634e944841a9589deada4446b45582516d3666437954061dc8446ec73d83 [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] 9d4d89e2207be19da085c2a034c7138b371f78931c675767a1cfc9098e36fee8 [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" "9d4d89e2207be19da085c2a034c7138b371f78931c675767a1cfc9098e36fee8", kill_on_drop: false }` [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking bit-set v0.5.0 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking fst v0.3.2 [INFO] [stderr] Checking erased-serde v0.3.6 [INFO] [stderr] Checking memchr v2.1.0 [INFO] [stderr] Checking fail v0.2.0 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking atomicwrites v0.2.2 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Compiling syn v0.15.6 [INFO] [stderr] Checking crossbeam-deque v0.5.2 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Compiling synstructure v0.9.0 [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::() } [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::() } [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::() } [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::() } [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" "9d4d89e2207be19da085c2a034c7138b371f78931c675767a1cfc9098e36fee8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d4d89e2207be19da085c2a034c7138b371f78931c675767a1cfc9098e36fee8", kill_on_drop: false }` [INFO] [stdout] 9d4d89e2207be19da085c2a034c7138b371f78931c675767a1cfc9098e36fee8