[INFO] cloning repository edolstra/hugefs [INFO] running `"git" "clone" "--bare" "git://github.com/edolstra/hugefs.git" "work/cache/sources/gh/edolstra/hugefs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/edolstra/hugefs'... [INFO] running `"git" "clone" "work/cache/sources/gh/edolstra/hugefs" "work/ex/beta-1.37-6/sources/1.36.0/gh/edolstra/hugefs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/edolstra/hugefs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/edolstra/hugefs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/edolstra/hugefs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/edolstra/hugefs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a77870c2137590b05daba26c2d40ff963f22f720 [INFO] sha for GitHub repo edolstra/hugefs: a77870c2137590b05daba26c2d40ff963f22f720 [INFO] validating manifest of edolstra/hugefs on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of edolstra/hugefs on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing edolstra/hugefs [INFO] finished frobbing edolstra/hugefs [INFO] frobbed toml for edolstra/hugefs written to work/ex/beta-1.37-6/sources/1.36.0/gh/edolstra/hugefs/Cargo.toml [INFO] started frobbing edolstra/hugefs [INFO] finished frobbing edolstra/hugefs [INFO] frobbed toml for edolstra/hugefs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/edolstra/hugefs/Cargo.toml [INFO] crate edolstra/hugefs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Updating git repository `https://github.com/zargony/rust-fuse` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing edolstra/hugefs against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/edolstra/hugefs:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] c7f5e5852e3be9e2b7347ca74945f4e1fdceebac9d7fc2483e08fb1d6cb47153 [INFO] running `"docker" "start" "-a" "c7f5e5852e3be9e2b7347ca74945f4e1fdceebac9d7fc2483e08fb1d6cb47153"` [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling fuse-abi v0.4.0-dev (https://github.com/zargony/rust-fuse?rev=f834fbbd5614976e8d480da249d487609504ee6e#f834fbbd) [INFO] [stderr] Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/rust-fuse?rev=f834fbbd5614976e8d480da249d487609504ee6e#f834fbbd) [INFO] [stderr] Compiling rusoto_core v0.40.0 [INFO] [stderr] Compiling signal-hook-registry v1.0.1 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling blake2 v0.8.0 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling signal-hook v0.1.10 [INFO] [stderr] Compiling fuse v0.4.0-dev (https://github.com/zargony/rust-fuse?rev=f834fbbd5614976e8d480da249d487609504ee6e#f834fbbd) [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-process v0.2.4 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.17 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling chrono v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling rusoto_credential v0.40.0 [INFO] [stderr] Compiling rusoto_s3 v0.40.0 [INFO] [stderr] Compiling hugefs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(await_macro, async_await, atomic_min_max)] [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 `hugefs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c7f5e5852e3be9e2b7347ca74945f4e1fdceebac9d7fc2483e08fb1d6cb47153"` [INFO] running `"docker" "rm" "-f" "c7f5e5852e3be9e2b7347ca74945f4e1fdceebac9d7fc2483e08fb1d6cb47153"` [INFO] [stdout] c7f5e5852e3be9e2b7347ca74945f4e1fdceebac9d7fc2483e08fb1d6cb47153