[INFO] cloning repository https://github.com/wildarch/roboarm-sim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wildarch/roboarm-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Froboarm-sim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Froboarm-sim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fd88f9760ddb9124800779c8697d302c667408a6 [INFO] checking wildarch/roboarm-sim against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildarch%2Froboarm-sim" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wildarch/roboarm-sim on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wildarch/roboarm-sim [INFO] finished tweaking git repo https://github.com/wildarch/roboarm-sim [INFO] tweaked toml for git repo https://github.com/wildarch/roboarm-sim written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/wildarch/roboarm-sim already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00832ba38eba494ad40c56b3e460077d6425895fc30aa0c6329db576d15b2597 [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" "00832ba38eba494ad40c56b3e460077d6425895fc30aa0c6329db576d15b2597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00832ba38eba494ad40c56b3e460077d6425895fc30aa0c6329db576d15b2597", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00832ba38eba494ad40c56b3e460077d6425895fc30aa0c6329db576d15b2597", kill_on_drop: false }` [INFO] [stdout] 00832ba38eba494ad40c56b3e460077d6425895fc30aa0c6329db576d15b2597 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 5f80e290a67c457d7cac3f1a974977342ac7ae2d0acadec6d1cbd2d481506703 [INFO] running `Command { std: "docker" "start" "-a" "5f80e290a67c457d7cac3f1a974977342ac7ae2d0acadec6d1cbd2d481506703", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Checking downcast-rs v1.0.3 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking stb_truetype v0.2.4 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling log v0.4.6 [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" "5f80e290a67c457d7cac3f1a974977342ac7ae2d0acadec6d1cbd2d481506703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f80e290a67c457d7cac3f1a974977342ac7ae2d0acadec6d1cbd2d481506703", kill_on_drop: false }` [INFO] [stdout] 5f80e290a67c457d7cac3f1a974977342ac7ae2d0acadec6d1cbd2d481506703