[INFO] updating cached repository https://github.com/sindreij/network-test-harness
[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] 9319a804a10da74c56d886d4b02e9e18950d544b
[INFO] checking sindreij/network-test-harness against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsindreij%2Fnetwork-test-harness" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sindreij/network-test-harness on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sindreij/network-test-harness
[INFO] finished tweaking git repo https://github.com/sindreij/network-test-harness
[INFO] tweaked toml for git repo https://github.com/sindreij/network-test-harness written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sindreij/network-test-harness already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 6019ee044131c8ff545895fcdb5ea08474284f6dc9a3f9fb78148e53f72532ce
[INFO] running `"docker" "start" "-a" "6019ee044131c8ff545895fcdb5ea08474284f6dc9a3f9fb78148e53f72532ce"`
[INFO] [stderr]    Compiling libc v0.2.55
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[INFO] [stderr]     Checking futures v0.1.27
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[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.16
[INFO] [stderr]    Compiling cc v1.0.37
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[INFO] [stderr]     Checking env_logger v0.6.1
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[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
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[INFO] [stderr]     Checking crucio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/never_body.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         async move |()| -> Option<(Result<Vec<u8>, Error>, ())> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/random.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         async move |mut rng| -> Option<(Result<Vec<u8>, Error>, StdRng)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/random_text.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         async move |mut rng| -> Option<(Result<String, Error>, StdRng)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/slow_body.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         async move |mut data| -> Option<(Result<Vec<u8>, Error>, VecDeque<u8>)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/never_body.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         async move |()| -> Option<(Result<Vec<u8>, Error>, ())> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/random.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         async move |mut rng| -> Option<(Result<Vec<u8>, Error>, StdRng)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/random_text.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         async move |mut rng| -> Option<(Result<String, Error>, StdRng)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]   --> src/modes/slow_body.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         async move |mut data| -> Option<(Result<Vec<u8>, Error>, VecDeque<u8>)> {
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
[INFO] [stderr]    = help: add `#![feature(async_closure)]` to the crate attributes to enable
[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: could not compile `crucio`.
[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: 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 `crucio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6019ee044131c8ff545895fcdb5ea08474284f6dc9a3f9fb78148e53f72532ce"`
[INFO] running `"docker" "rm" "-f" "6019ee044131c8ff545895fcdb5ea08474284f6dc9a3f9fb78148e53f72532ce"`
[INFO] [stdout] 6019ee044131c8ff545895fcdb5ea08474284f6dc9a3f9fb78148e53f72532ce
