[INFO] updating cached repository https://github.com/manifest/mqtt-service-example-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8eecea2efe7e6a94cd7f3fbfd861ad63d9a6599e [INFO] checking manifest/mqtt-service-example-rs against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanifest%2Fmqtt-service-example-rs" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manifest/mqtt-service-example-rs on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/manifest/mqtt-service-example-rs [INFO] finished tweaking git repo https://github.com/manifest/mqtt-service-example-rs [INFO] tweaked toml for git repo https://github.com/manifest/mqtt-service-example-rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/manifest/mqtt-service-example-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] da96a1eb91a7886899f7f054d59551c4580568eb7c7c12d3d82ab62b8cd8fb82 [INFO] running `"docker" "start" "-a" "da96a1eb91a7886899f7f054d59551c4580568eb7c7c12d3d82ab62b8cd8fb82"` [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.14 [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Checking ring v0.13.5 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking backtrace v0.3.15 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.14 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.14 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Checking webpki v0.18.1 [INFO] [stderr] Checking sct v0.4.0 [INFO] [stderr] Checking config v0.9.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.14 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking rustls v0.14.0 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-rustls v0.8.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio v0.1.19 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.5 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.14 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking mqtt311 v0.2.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.14 [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.14/src/lib.rs:6:51 [INFO] [stderr] | [INFO] [stderr] 6 | #![cfg_attr(feature = "std", feature(async_await, await_macro))] [INFO] [stderr] | ^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: subsumed by `.await` syntax [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [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" "da96a1eb91a7886899f7f054d59551c4580568eb7c7c12d3d82ab62b8cd8fb82"` [INFO] running `"docker" "rm" "-f" "da96a1eb91a7886899f7f054d59551c4580568eb7c7c12d3d82ab62b8cd8fb82"` [INFO] [stdout] da96a1eb91a7886899f7f054d59551c4580568eb7c7c12d3d82ab62b8cd8fb82