[INFO] fetching crate facade 0.0.0... [INFO] testing facade-0.0.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate facade 0.0.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate facade 0.0.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate facade 0.0.0 [INFO] finished tweaking crates.io crate facade 0.0.0 [INFO] tweaked toml for crates.io crate facade 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded facade-protocol v0.1.0 [INFO] [stderr] Downloaded futures-timer v0.2.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"` [INFO] [stdout] f3fc6199d7964a837e6aaf00dc78c33933701cd7f67f571a0ec48869ae065cc3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f3fc6199d7964a837e6aaf00dc78c33933701cd7f67f571a0ec48869ae065cc3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling urlencoding v1.0.0 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling twoway v0.1.8 [INFO] [stderr] Compiling buf_redux v0.8.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling flate2 v1.0.14 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling input_buffer v0.2.0 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling bigdecimal v0.1.2 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling headers-core v0.1.1 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling tungstenite v0.9.2 [INFO] [stderr] Compiling headers v0.2.3 [INFO] [stderr] Compiling config v0.9.3 [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 facade-protocol v0.1.0 [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] [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 `"docker" "inspect" "f3fc6199d7964a837e6aaf00dc78c33933701cd7f67f571a0ec48869ae065cc3"` [INFO] running `"docker" "rm" "-f" "f3fc6199d7964a837e6aaf00dc78c33933701cd7f67f571a0ec48869ae065cc3"` [INFO] [stdout] f3fc6199d7964a837e6aaf00dc78c33933701cd7f67f571a0ec48869ae065cc3