[INFO] updating cached repository https://github.com/andysalerno/rust_async_example [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] 8ccf54bf7b42f342156c58c0746eba86d8ce15fc [INFO] checking andysalerno/rust_async_example against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Frust_async_example" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andysalerno/rust_async_example on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/andysalerno/rust_async_example [INFO] finished tweaking git repo https://github.com/andysalerno/rust_async_example [INFO] tweaked toml for git repo https://github.com/andysalerno/rust_async_example written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/andysalerno/rust_async_example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] d8b9001af902b7f39c01e7a8ce515d9ccb87ae733cea7ea10055f87af2d91ab7 [INFO] running `"docker" "start" "-a" "d8b9001af902b7f39c01e7a8ce515d9ccb87ae733cea7ea10055f87af2d91ab7"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Checking async-ready v3.0.0 [INFO] [stderr] Checking async-datagram v3.0.0 [INFO] [stderr] Checking async-datagram v2.2.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.17 [INFO] [stderr] Checking futures-timer v0.2.1 [INFO] [stderr] Checking runtime-raw v0.3.0-alpha.4 [INFO] [stderr] Checking romio v0.3.0-alpha.9 [INFO] [stderr] Checking juliex v0.3.0-alpha.7 [INFO] [stderr] Checking runtime-native v0.3.0-alpha.5 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.5 [INFO] [stderr] Checking runtime v0.3.0-alpha.6 [INFO] [stderr] Checking async_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.36s [INFO] running `"docker" "inspect" "d8b9001af902b7f39c01e7a8ce515d9ccb87ae733cea7ea10055f87af2d91ab7"` [INFO] running `"docker" "rm" "-f" "d8b9001af902b7f39c01e7a8ce515d9ccb87ae733cea7ea10055f87af2d91ab7"` [INFO] [stdout] d8b9001af902b7f39c01e7a8ce515d9ccb87ae733cea7ea10055f87af2d91ab7