[INFO] cloning repository https://github.com/sunjay/robo-quest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunjay/robo-quest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Frobo-quest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunjay%2Frobo-quest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a1ddebc9deb3295d51479a4abecaa3deed08d14 [INFO] documenting sunjay/robo-quest 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%2Fsunjay%2Frobo-quest" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sunjay/robo-quest 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/sunjay/robo-quest [INFO] finished tweaking git repo https://github.com/sunjay/robo-quest [INFO] tweaked toml for git repo https://github.com/sunjay/robo-quest written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sunjay/robo-quest 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 nalgebra v0.16.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 01ba9f0e8b5a7c341906059d7b244f1d40b7413b6ff428525d34fbd95a558d04 [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" "01ba9f0e8b5a7c341906059d7b244f1d40b7413b6ff428525d34fbd95a558d04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01ba9f0e8b5a7c341906059d7b244f1d40b7413b6ff428525d34fbd95a558d04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01ba9f0e8b5a7c341906059d7b244f1d40b7413b6ff428525d34fbd95a558d04", kill_on_drop: false }` [INFO] [stdout] 01ba9f0e8b5a7c341906059d7b244f1d40b7413b6ff428525d34fbd95a558d04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4fdc422f3e1cd900b967b4b70874738c7cc07121162173b8a8d6f4de392339f7 [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" "4fdc422f3e1cd900b967b4b70874738c7cc07121162173b8a8d6f4de392339f7", kill_on_drop: false }` [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Checking libm v0.1.2 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking generic-array v0.11.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling specs-derive v0.2.0 [INFO] [stderr] Checking approx v0.3.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Checking shrev v1.0.1 [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" "4fdc422f3e1cd900b967b4b70874738c7cc07121162173b8a8d6f4de392339f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fdc422f3e1cd900b967b4b70874738c7cc07121162173b8a8d6f4de392339f7", kill_on_drop: false }` [INFO] [stdout] 4fdc422f3e1cd900b967b4b70874738c7cc07121162173b8a8d6f4de392339f7