[INFO] fetching crate rusty-wam 0.8.1... [INFO] checking rusty-wam-0.8.1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] extracting crate rusty-wam 0.8.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate rusty-wam 0.8.1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rusty-wam 0.8.1 [INFO] finished tweaking crates.io crate rusty-wam 0.8.1 [INFO] tweaked toml for crates.io crate rusty-wam 0.8.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unreachable v1.0.0 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded termion v1.5.5 [INFO] [stderr] Downloaded ordered-float v0.5.2 [INFO] [stderr] Downloaded unicode_reader v1.0.1 [INFO] [stderr] Downloaded redox_termios v0.1.2 [INFO] [stderr] Downloaded static_assertions v0.3.4 [INFO] [stderr] Downloaded lexical-core v0.4.6 [INFO] [stderr] Downloaded lexical v2.2.2 [INFO] [stderr] Downloaded prolog_parser v0.8.68 [INFO] [stderr] Downloaded downcast v0.9.2 [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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e36f5fcabe1fc40f48d44bcd532c70d2e2e8251dbb3487590966acdd5241f2c [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" "0e36f5fcabe1fc40f48d44bcd532c70d2e2e8251dbb3487590966acdd5241f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e36f5fcabe1fc40f48d44bcd532c70d2e2e8251dbb3487590966acdd5241f2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e36f5fcabe1fc40f48d44bcd532c70d2e2e8251dbb3487590966acdd5241f2c", kill_on_drop: false }` [INFO] [stdout] 0e36f5fcabe1fc40f48d44bcd532c70d2e2e8251dbb3487590966acdd5241f2c [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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d357b4172b25f65fb6e92dc292488141498dd55ee73ec2c873e2109a75355eb [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" "3d357b4172b25f65fb6e92dc292488141498dd55ee73ec2c873e2109a75355eb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling rug v1.11.0 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking downcast v0.9.2 [INFO] [stderr] Checking unicode_reader 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" "3d357b4172b25f65fb6e92dc292488141498dd55ee73ec2c873e2109a75355eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d357b4172b25f65fb6e92dc292488141498dd55ee73ec2c873e2109a75355eb", kill_on_drop: false }` [INFO] [stdout] 3d357b4172b25f65fb6e92dc292488141498dd55ee73ec2c873e2109a75355eb