[INFO] crate wireguard-p2p 0.1.990 is already in cache
[INFO] checking wireguard-p2p-0.1.990 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate wireguard-p2p 0.1.990 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wireguard-p2p 0.1.990 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wireguard-p2p 0.1.990
[INFO] disabled cargo feature 'default-run' from crates.io crate wireguard-p2p 0.1.990
[INFO] finished tweaking crates.io crate wireguard-p2p 0.1.990
[INFO] tweaked toml for crates.io crate wireguard-p2p 0.1.990 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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 `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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] fee8c0a019d637d0562bcaaa20234a22783450e19086048c20b439c0e7f7a880
[INFO] running `"docker" "start" "-a" "fee8c0a019d637d0562bcaaa20234a22783450e19086048c20b439c0e7f7a880"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking drunken_bishop v0.1.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling opendht v0.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking mnemonic v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-async-await v0.1.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[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]   |                                            ^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: subsumed by `.await` syntax
[INFO] [stderr] 
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[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]    Compiling taikai v0.1.0
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, 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[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/taikai-0.1.0/src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `taikai`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fee8c0a019d637d0562bcaaa20234a22783450e19086048c20b439c0e7f7a880"`
[INFO] running `"docker" "rm" "-f" "fee8c0a019d637d0562bcaaa20234a22783450e19086048c20b439c0e7f7a880"`
[INFO] [stdout] fee8c0a019d637d0562bcaaa20234a22783450e19086048c20b439c0e7f7a880