[INFO] crate pipitor 0.3.0-alpha.1 is already in cache [INFO] testing pipitor-0.3.0-alpha.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate pipitor 0.3.0-alpha.1 into work/builds/worker-10/source [INFO] validating manifest of crates.io crate pipitor 0.3.0-alpha.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate pipitor 0.3.0-alpha.1 [INFO] finished tweaking crates.io crate pipitor 0.3.0-alpha.1 [INFO] tweaked toml for crates.io crate pipitor 0.3.0-alpha.1 written to work/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate pipitor 0.3.0-alpha.1 already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 8d8b185670c5732377c973861f077e5cd0a527e1c50b329c7ae385f3a366f1ad [INFO] running `"docker" "start" "-a" "8d8b185670c5732377c973861f077e5cd0a527e1c50b329c7ae385f3a366f1ad"` [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.42 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling openssl v0.10.24 [INFO] [stderr] Compiling indexmap v1.1.0 [INFO] [stderr] Compiling tower-service v0.3.0-alpha.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling pin-project-internal v0.4.0-alpha.7 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling tracing-core v0.1.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling atoi v0.3.1 [INFO] [stderr] Compiling http v0.1.18 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.4 [INFO] [stderr] Compiling sha-1 v0.8.1 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.4 [INFO] [stderr] Compiling tower-make v0.1.0-alpha.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling libsqlite3-sys v0.12.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling openssl-sys v0.9.49 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling flate2 v1.0.11 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling http-body v0.2.0-alpha.1 [INFO] [stderr] Compiling tokio-tls v0.3.0-alpha.4 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling diesel_derives v1.4.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling tracing-attributes v0.1.2 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.4 [INFO] [stderr] Compiling pin-project v0.3.5 [INFO] [stderr] Compiling structopt-derive v0.3.0 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling dotenv v0.14.1 [INFO] [stderr] Compiling tracing v0.1.8 [INFO] [stderr] Compiling pin-project v0.4.0-alpha.7 [INFO] [stderr] Compiling structopt v0.3.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38 [INFO] [stderr] | [INFO] [stderr] 4 | #![cfg_attr(feature = "async-await", feature(async_await))] [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 `futures-util-preview`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "8d8b185670c5732377c973861f077e5cd0a527e1c50b329c7ae385f3a366f1ad"` [INFO] running `"docker" "rm" "-f" "8d8b185670c5732377c973861f077e5cd0a527e1c50b329c7ae385f3a366f1ad"` [INFO] [stdout] 8d8b185670c5732377c973861f077e5cd0a527e1c50b329c7ae385f3a366f1ad