[INFO] updating cached repository https://github.com/mardiros/wasm-pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4833bf6cc790cb107e0c92fe945d1c86e05db5f7 [INFO] testing mardiros/wasm-pool against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmardiros%2Fwasm-pool" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mardiros/wasm-pool on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mardiros/wasm-pool [INFO] finished tweaking git repo https://github.com/mardiros/wasm-pool [INFO] tweaked toml for git repo https://github.com/mardiros/wasm-pool written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/mardiros/wasm-pool already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcd7a1fdab3e70986fc0738ff796bb74e1c71dc4345cc12a47338a9dcd33e4db [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" "dcd7a1fdab3e70986fc0738ff796bb74e1c71dc4345cc12a47338a9dcd33e4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcd7a1fdab3e70986fc0738ff796bb74e1c71dc4345cc12a47338a9dcd33e4db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcd7a1fdab3e70986fc0738ff796bb74e1c71dc4345cc12a47338a9dcd33e4db", kill_on_drop: false }` [INFO] [stdout] dcd7a1fdab3e70986fc0738ff796bb74e1c71dc4345cc12a47338a9dcd33e4db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a463d6c385db8c2ed92d0c4ac73bce36a538e96351a870171de8fd12c18a3ec [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" "2a463d6c385db8c2ed92d0c4ac73bce36a538e96351a870171de8fd12c18a3ec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling nix v0.12.0 [INFO] [stderr] Compiling khronos_api v3.0.0 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling downcast-rs v1.0.3 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling libm v0.1.2 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.3 [INFO] [stderr] Compiling base-x v0.2.3 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling claxon v0.3.2 [INFO] [stderr] Compiling immi v1.0.4 [INFO] [stderr] Compiling downcast v0.9.2 [INFO] [stderr] Compiling wayland-scanner v0.21.10 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [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" "2a463d6c385db8c2ed92d0c4ac73bce36a538e96351a870171de8fd12c18a3ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a463d6c385db8c2ed92d0c4ac73bce36a538e96351a870171de8fd12c18a3ec", kill_on_drop: false }` [INFO] [stdout] 2a463d6c385db8c2ed92d0c4ac73bce36a538e96351a870171de8fd12c18a3ec