[INFO] cloning repository https://github.com/rajasekarv/native_spark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajasekarv/native_spark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 54d2b608cfcb0d457ed8741e6e6c235389b587bf [INFO] testing rajasekarv/native_spark against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark" "/workspace/builds/worker-94/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rajasekarv/native_spark on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-94/source/rust-toolchain [INFO] started tweaking git repo https://github.com/rajasekarv/native_spark [INFO] finished tweaking git repo https://github.com/rajasekarv/native_spark [INFO] tweaked toml for git repo https://github.com/rajasekarv/native_spark written to /workspace/builds/worker-94/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61b9a1133ff455d7286116d10c399909b3baa61a9e36eabc40da0232937d0275 [INFO] running `Command { std: "docker" "start" "-a" "61b9a1133ff455d7286116d10c399909b3baa61a9e36eabc40da0232937d0275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61b9a1133ff455d7286116d10c399909b3baa61a9e36eabc40da0232937d0275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61b9a1133ff455d7286116d10c399909b3baa61a9e36eabc40da0232937d0275", kill_on_drop: false }` [INFO] [stdout] 61b9a1133ff455d7286116d10c399909b3baa61a9e36eabc40da0232937d0275 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e51d4c3f07daeb61d87b77b7f31bff62d2b8c30fb8b5c89f65a79d61b41ab756 [INFO] running `Command { std: "docker" "start" "-a" "e51d4c3f07daeb61d87b77b7f31bff62d2b8c30fb8b5c89f65a79d61b41ab756", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling build_id v0.2.1 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling capnp v0.12.4 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling relative v0.2.2 [INFO] [stderr] Compiling erased-serde v0.3.16 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling metatype v0.2.1 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling seahash v3.0.7 [INFO] [stderr] Compiling dyn-clone v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling tracing-core v0.1.19 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling uriparse v0.6.3 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling twox-hash v1.6.1 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/metatype-0.2.1/src/lib.rs:34:1 [INFO] [stdout] | [INFO] [stdout] 34 | #![feature(arbitrary_self_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/metatype-0.2.1/src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | #![feature(ptr_metadata)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/metatype-0.2.1/src/lib.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `metatype` due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e51d4c3f07daeb61d87b77b7f31bff62d2b8c30fb8b5c89f65a79d61b41ab756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e51d4c3f07daeb61d87b77b7f31bff62d2b8c30fb8b5c89f65a79d61b41ab756", kill_on_drop: false }` [INFO] [stdout] e51d4c3f07daeb61d87b77b7f31bff62d2b8c30fb8b5c89f65a79d61b41ab756