[INFO] fetching crate thruster 0.7.16...
[INFO] checking thruster-0.7.16 against beta-2019-10-27 for pr-65897
[INFO] extracting crate thruster 0.7.16 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate thruster 0.7.16 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate thruster 0.7.16
[INFO] removed 7 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate thruster 0.7.16
[INFO] tweaked toml for crates.io crate thruster 0.7.16 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate thruster 0.7.16 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=allow" "-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-2019-10-27" "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] 8444f4fcfdfaf4dce02ce5b174e93174a548e947801b45d376b3d2a45062bca9
[INFO] running `"docker" "start" "-a" "8444f4fcfdfaf4dce02ce5b174e93174a548e947801b45d376b3d2a45062bca9"`
[INFO] [stderr]    Compiling pin-project-internal v0.4.0-alpha.11
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.5
[INFO] [stderr]     Checking templatify v0.2.3
[INFO] [stderr]     Checking openssl v0.10.24
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking futures-util v0.2.1
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.5
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking pin-project v0.4.0-alpha.11
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.5
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking thruster-core-async-await v0.7.14
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.5
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.5
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.5
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.5
[INFO] [stderr]     Checking tokio v0.2.0-alpha.5
[INFO] [stderr]     Checking thruster-core v0.7.14
[INFO] [stderr]     Checking thruster-middleware v0.7.14
[INFO] [stderr]     Checking thruster-async-await v0.7.14
[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/thruster-async-await-0.7.14/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro_hygiene)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `thruster-async-await`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8444f4fcfdfaf4dce02ce5b174e93174a548e947801b45d376b3d2a45062bca9"`
[INFO] running `"docker" "rm" "-f" "8444f4fcfdfaf4dce02ce5b174e93174a548e947801b45d376b3d2a45062bca9"`
[INFO] [stdout] 8444f4fcfdfaf4dce02ce5b174e93174a548e947801b45d376b3d2a45062bca9