[INFO] updating cached repository pbzweihander/rust-web-boilerplate [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pbzweihander/rust-web-boilerplate [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pbzweihander/rust-web-boilerplate" "work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/rust-web-boilerplate"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/rust-web-boilerplate'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pbzweihander/rust-web-boilerplate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/rust-web-boilerplate"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/rust-web-boilerplate'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f72b6c84212fd239d20f477b8ea6cc27c1823e80 [INFO] sha for GitHub repo pbzweihander/rust-web-boilerplate: f72b6c84212fd239d20f477b8ea6cc27c1823e80 [INFO] validating manifest of pbzweihander/rust-web-boilerplate on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pbzweihander/rust-web-boilerplate on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pbzweihander/rust-web-boilerplate [INFO] finished frobbing pbzweihander/rust-web-boilerplate [INFO] frobbed toml for pbzweihander/rust-web-boilerplate written to work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/rust-web-boilerplate/Cargo.toml [INFO] started frobbing pbzweihander/rust-web-boilerplate [INFO] finished frobbing pbzweihander/rust-web-boilerplate [INFO] frobbed toml for pbzweihander/rust-web-boilerplate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pbzweihander/rust-web-boilerplate/Cargo.toml [INFO] crate pbzweihander/rust-web-boilerplate already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing pbzweihander/rust-web-boilerplate against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pbzweihander/rust-web-boilerplate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] db1a4ff18fd436324c58fc6003ddcba392118c16417719e95281e50d68e2f334 [INFO] running `"docker" "start" "-a" "db1a4ff18fd436324c58fc6003ddcba392118c16417719e95281e50d68e2f334"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling slog v2.4.1 [INFO] [stderr] Compiling num-traits v0.2.7 [INFO] [stderr] Compiling num-integer v0.1.40 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling isatty v0.1.9 [INFO] [stderr] Compiling buf_redux v0.8.1 [INFO] [stderr] Compiling twoway v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling mio v0.6.17 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie v0.11.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling h2 v0.1.20 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.14 [INFO] [stderr] Compiling slog-async v2.3.0 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio v0.1.20 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling slog-term v2.4.0 [INFO] [stderr] Compiling hyper v0.12.29 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.16 [INFO] [stderr] Compiling multipart v0.15.4 [INFO] [stderr] Compiling http-service v0.2.0 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-service-0.2.0/src/lib.rs:60:1 [INFO] [stderr] | [INFO] [stderr] 60 | #![feature(async_await, await_macro, arbitrary_self_types)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `http-service`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "db1a4ff18fd436324c58fc6003ddcba392118c16417719e95281e50d68e2f334"` [INFO] running `"docker" "rm" "-f" "db1a4ff18fd436324c58fc6003ddcba392118c16417719e95281e50d68e2f334"` [INFO] [stdout] db1a4ff18fd436324c58fc6003ddcba392118c16417719e95281e50d68e2f334