[INFO] crate heim-net 0.0.7 is already in cache
[INFO] testing heim-net-0.0.7 against 1.38.0 for beta-1.39-1
[INFO] extracting crate heim-net 0.0.7 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate heim-net 0.0.7 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate heim-net 0.0.7
[INFO] finished tweaking crates.io crate heim-net 0.0.7
[INFO] tweaked toml for crates.io crate heim-net 0.0.7 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate heim-net 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ef658ded38cbec3ffb981ff750b10abd00f24987757f7c301f72b495958910d2
[INFO] running `"docker" "start" "-a" "ef658ded38cbec3ffb981ff750b10abd00f24987757f7c301f72b495958910d2"`
[INFO] [stderr]    Compiling macaddr v0.1.1
[INFO] [stderr]    Compiling heim-net v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "ef658ded38cbec3ffb981ff750b10abd00f24987757f7c301f72b495958910d2"`
[INFO] running `"docker" "rm" "-f" "ef658ded38cbec3ffb981ff750b10abd00f24987757f7c301f72b495958910d2"`
[INFO] [stdout] ef658ded38cbec3ffb981ff750b10abd00f24987757f7c301f72b495958910d2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65afe0093aa82cfac56fe7772d690463bd4577baf5a376105561d6dcce365a1d
[INFO] running `"docker" "start" "-a" "65afe0093aa82cfac56fe7772d690463bd4577baf5a376105561d6dcce365a1d"`
[INFO] [stderr]    Compiling heim-net v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: async blocks are unstable
[INFO] [stderr]   --> tests/smoke.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[heim_derive::test]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]   --> tests/smoke.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 |     while let Some(counter) = counters.next().await {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async blocks are unstable
[INFO] [stderr]   --> tests/smoke.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | #[heim_derive::test]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]   --> tests/smoke.rs:33:29
[INFO] [stderr]    |
[INFO] [stderr] 33 |     while let Some(iface) = nic.next().await {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async fn is unstable
[INFO] [stderr]  --> examples/counters.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]  --> examples/counters.rs:7:31
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while let Some(counter) = counters.next().await {
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async blocks are unstable
[INFO] [stderr]  --> examples/counters.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async fn is unstable
[INFO] [stderr]  --> examples/nic.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]  --> examples/nic.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while let Some(iface) = nic.next().await {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async blocks are unstable
[INFO] [stderr]  --> examples/nic.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]  --> examples/nic.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async/await is unstable
[INFO] [stderr]  --> examples/counters.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[heim_derive::main]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50547
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: Could not compile `heim-net`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `heim-net`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `heim-net`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "65afe0093aa82cfac56fe7772d690463bd4577baf5a376105561d6dcce365a1d"`
[INFO] running `"docker" "rm" "-f" "65afe0093aa82cfac56fe7772d690463bd4577baf5a376105561d6dcce365a1d"`
[INFO] [stdout] 65afe0093aa82cfac56fe7772d690463bd4577baf5a376105561d6dcce365a1d