[INFO] cloning repository https://github.com/Scetch/uWindsorCourseSearchBot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Scetch/uWindsorCourseSearchBot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d2a34fa592fc9d6963eaec35d649fd9df9acfae [INFO] checking Scetch/uWindsorCourseSearchBot against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScetch%2FuWindsorCourseSearchBot" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Scetch/uWindsorCourseSearchBot 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/Scetch/uWindsorCourseSearchBot [INFO] finished tweaking git repo https://github.com/Scetch/uWindsorCourseSearchBot [INFO] tweaked toml for git repo https://github.com/Scetch/uWindsorCourseSearchBot written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/Scetch/uWindsorCourseSearchBot 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] eaa410eb178c9c513206d8a45a1384d39139f1f4758ab38e5020adaf2fa2ae6b [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" "eaa410eb178c9c513206d8a45a1384d39139f1f4758ab38e5020adaf2fa2ae6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eaa410eb178c9c513206d8a45a1384d39139f1f4758ab38e5020adaf2fa2ae6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaa410eb178c9c513206d8a45a1384d39139f1f4758ab38e5020adaf2fa2ae6b", kill_on_drop: false }` [INFO] [stdout] eaa410eb178c9c513206d8a45a1384d39139f1f4758ab38e5020adaf2fa2ae6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] ca10eeba02fd8d1664411a9d30d051e299a058b94980acf8d79d46e2d66f59ec [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" "ca10eeba02fd8d1664411a9d30d051e299a058b94980acf8d79d46e2d66f59ec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Checking futures v0.1.22 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking maplit v0.1.6 [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Checking rust-stemmers v0.1.0 [INFO] [stderr] Checking census v0.1.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [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" "ca10eeba02fd8d1664411a9d30d051e299a058b94980acf8d79d46e2d66f59ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca10eeba02fd8d1664411a9d30d051e299a058b94980acf8d79d46e2d66f59ec", kill_on_drop: false }` [INFO] [stdout] ca10eeba02fd8d1664411a9d30d051e299a058b94980acf8d79d46e2d66f59ec