[INFO] updating cached repository sindreij/network-test-harness
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sindreij/network-test-harness
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/network-test-harness" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sindreij/network-test-harness"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sindreij/network-test-harness'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/network-test-harness" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sindreij/network-test-harness"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sindreij/network-test-harness'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9319a804a10da74c56d886d4b02e9e18950d544b
[INFO] sha for GitHub repo sindreij/network-test-harness: 9319a804a10da74c56d886d4b02e9e18950d544b
[INFO] validating manifest of sindreij/network-test-harness on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sindreij/network-test-harness on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sindreij/network-test-harness
[INFO] finished frobbing sindreij/network-test-harness
[INFO] frobbed toml for sindreij/network-test-harness written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/sindreij/network-test-harness/Cargo.toml
[INFO] started frobbing sindreij/network-test-harness
[INFO] finished frobbing sindreij/network-test-harness
[INFO] frobbed toml for sindreij/network-test-harness written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sindreij/network-test-harness/Cargo.toml
[INFO] crate sindreij/network-test-harness already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking sindreij/network-test-harness against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/sindreij/network-test-harness:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fd046a1fca2b1bff3b8092e366307f97778c82c0cc49284e7c8247342536680f
[INFO] running `"docker" "start" "-a" "fd046a1fca2b1bff3b8092e366307f97778c82c0cc49284e7c8247342536680f"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking pretty_env_logger v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking snafu v0.4.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking crucio v0.1.0 (/opt/crater/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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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: for more information, see https://github.com/rust-lang/rust/issues/62290
[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] 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" "fd046a1fca2b1bff3b8092e366307f97778c82c0cc49284e7c8247342536680f"`
[INFO] running `"docker" "rm" "-f" "fd046a1fca2b1bff3b8092e366307f97778c82c0cc49284e7c8247342536680f"`
[INFO] [stdout] fd046a1fca2b1bff3b8092e366307f97778c82c0cc49284e7c8247342536680f