[INFO] updating cached repository https://github.com/dvc94ch/rust-ipfs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 6ed1200dddb6eaf2de74862787ff9ccfb104d64e
[INFO] testing dvc94ch/rust-ipfs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Frust-ipfs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/rust-ipfs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dvc94ch/rust-ipfs
[INFO] finished tweaking git repo https://github.com/dvc94ch/rust-ipfs
[INFO] tweaked toml for git repo https://github.com/dvc94ch/rust-ipfs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/rust-ipfs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/dvc94ch/rust-cbor`
[INFO] [stderr]     Updating git repository `https://github.com/multiformats/rust-cid`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/futures-rs`
[INFO] [stderr]     Updating git repository `https://github.com/libp2p/rust-libp2p`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a8b1e72e90687be0ef2d81f0efdd32638f62eedb35d1784aac98dd48545b1a57
[INFO] running `"docker" "start" "-a" "a8b1e72e90687be0ef2d81f0efdd32638f62eedb35d1784aac98dd48545b1a57"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19 (https://github.com/rust-lang-nursery/futures-rs#1f9c200f)
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19 (https://github.com/rust-lang-nursery/futures-rs#1f9c200f)
[INFO] [stderr]    Compiling static_slice v0.0.3
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19 (https://github.com/rust-lang-nursery/futures-rs#1f9c200f)
[INFO] [stderr]    Compiling nohash-hasher v0.1.2
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling integer-encoding v1.0.7
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling multibase v0.6.0
[INFO] [stderr]    Compiling cbor v0.4.1 (https://github.com/dvc94ch/rust-cbor?branch=read-data-item#c82f410c)
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19 (https://github.com/rust-lang-nursery/futures-rs#1f9c200f)
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling stream-cipher v0.3.2
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.3.2 (https://github.com/libp2p/rust-libp2p?rev=5655624#56556243)
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling multihash v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling cid v0.3.1 (https://github.com/multiformats/rust-cid#21eafaee)
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling twofish v0.2.0
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling asn1_der v0.6.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19 (https://github.com/rust-lang-nursery/futures-rs#1f9c200f)
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling rw-stream-sink v0.1.0 (https://github.com/libp2p/rust-libp2p?rev=5655624#56556243)
[INFO] [stderr]    Compiling tokio-async-await v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stderr]   |                                            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: subsumed by `.await` syntax
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stderr]   |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::await`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub use std::await as std_await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no `await` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `tokio-async-await`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a8b1e72e90687be0ef2d81f0efdd32638f62eedb35d1784aac98dd48545b1a57"`
[INFO] running `"docker" "rm" "-f" "a8b1e72e90687be0ef2d81f0efdd32638f62eedb35d1784aac98dd48545b1a57"`
[INFO] [stdout] a8b1e72e90687be0ef2d81f0efdd32638f62eedb35d1784aac98dd48545b1a57