[INFO] cloning repository martskins/tide-workshop [INFO] running `"git" "clone" "--bare" "git://github.com/martskins/tide-workshop.git" "work/cache/sources/gh/martskins/tide-workshop"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/martskins/tide-workshop'... [INFO] running `"git" "clone" "work/cache/sources/gh/martskins/tide-workshop" "work/ex/beta-1.37-6/sources/1.36.0/gh/martskins/tide-workshop"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/martskins/tide-workshop'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/martskins/tide-workshop" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/martskins/tide-workshop"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/martskins/tide-workshop'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 52f557c169d20c9c81502a7303548dfbfd5facbf [INFO] sha for GitHub repo martskins/tide-workshop: 52f557c169d20c9c81502a7303548dfbfd5facbf [INFO] validating manifest of martskins/tide-workshop on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of martskins/tide-workshop on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing martskins/tide-workshop [INFO] finished frobbing martskins/tide-workshop [INFO] frobbed toml for martskins/tide-workshop written to work/ex/beta-1.37-6/sources/1.36.0/gh/martskins/tide-workshop/Cargo.toml [INFO] started frobbing martskins/tide-workshop [INFO] finished frobbing martskins/tide-workshop [INFO] frobbed toml for martskins/tide-workshop written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/martskins/tide-workshop/Cargo.toml [INFO] crate martskins/tide-workshop already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/rustasync/http-service` [INFO] [stderr] Updating git repository `https://github.com/rustasync/tide` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing martskins/tide-workshop against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/martskins/tide-workshop:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 9a0960d7c552cf72f9cb402f7ba8da460ef9cd2f4ea3809fbd5bde72e533a14f [INFO] running `"docker" "start" "-a" "9a0960d7c552cf72f9cb402f7ba8da460ef9cd2f4ea3809fbd5bde72e533a14f"` [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling buf_redux v0.8.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling r2d2 v0.8.5 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.25 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling http-service v0.2.0 (https://github.com/rustasync/http-service#736be519) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/git/checkouts/http-service-1c19c79b6bb4664f/736be51/src/lib.rs:58:1 [INFO] [stderr] | [INFO] [stderr] 58 | #![feature(async_await, 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" "9a0960d7c552cf72f9cb402f7ba8da460ef9cd2f4ea3809fbd5bde72e533a14f"` [INFO] running `"docker" "rm" "-f" "9a0960d7c552cf72f9cb402f7ba8da460ef9cd2f4ea3809fbd5bde72e533a14f"` [INFO] [stdout] 9a0960d7c552cf72f9cb402f7ba8da460ef9cd2f4ea3809fbd5bde72e533a14f