[INFO] updating cached repository andrewcsmith/osc_server_example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/andrewcsmith/osc_server_example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/andrewcsmith/osc_server_example" "work/ex/beta-1.38-1/sources/1.37.0/gh/andrewcsmith/osc_server_example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andrewcsmith/osc_server_example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/andrewcsmith/osc_server_example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewcsmith/osc_server_example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewcsmith/osc_server_example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3bb571f79dc6e19c83fbc81eb999eef0f978bf24 [INFO] sha for GitHub repo andrewcsmith/osc_server_example: 3bb571f79dc6e19c83fbc81eb999eef0f978bf24 [INFO] validating manifest of andrewcsmith/osc_server_example on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of andrewcsmith/osc_server_example on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing andrewcsmith/osc_server_example [INFO] finished frobbing andrewcsmith/osc_server_example [INFO] frobbed toml for andrewcsmith/osc_server_example written to work/ex/beta-1.38-1/sources/1.37.0/gh/andrewcsmith/osc_server_example/Cargo.toml [INFO] started frobbing andrewcsmith/osc_server_example [INFO] finished frobbing andrewcsmith/osc_server_example [INFO] frobbed toml for andrewcsmith/osc_server_example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewcsmith/osc_server_example/Cargo.toml [INFO] crate andrewcsmith/osc_server_example already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing andrewcsmith/osc_server_example against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andrewcsmith/osc_server_example:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 26cc5c6b3453fb4bdfcb63d106a2fb8425c3c889a6e80f7b200f8370a0912185 [INFO] running `"docker" "start" "-a" "26cc5c6b3453fb4bdfcb63d106a2fb8425c3c889a6e80f7b200f8370a0912185"` [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.0.2 [INFO] [stderr] Compiling futures v0.1.23 [INFO] [stderr] Compiling slab v0.4.0 [INFO] [stderr] Compiling lazycell v0.6.0 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling smallvec v0.2.1 [INFO] [stderr] Compiling take v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling proc-macro2 v0.4.9 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling bytes v0.4.9 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling quote v0.6.4 [INFO] [stderr] Compiling mio v0.6.15 [INFO] [stderr] Compiling syn v0.14.5 [INFO] [stderr] Compiling crossbeam-deque v0.3.1 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling tokio-executor v0.1.2 [INFO] [stderr] Compiling tokio-io v0.1.7 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.5 [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stderr] Compiling osc_address_derive v0.2.2 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/osc_address_derive-0.2.2/src/lib.rs:167:1 [INFO] [stderr] | [INFO] [stderr] 167 | #![feature(conservative_impl_trait)] [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 `osc_address_derive`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "26cc5c6b3453fb4bdfcb63d106a2fb8425c3c889a6e80f7b200f8370a0912185"` [INFO] running `"docker" "rm" "-f" "26cc5c6b3453fb4bdfcb63d106a2fb8425c3c889a6e80f7b200f8370a0912185"` [INFO] [stdout] 26cc5c6b3453fb4bdfcb63d106a2fb8425c3c889a6e80f7b200f8370a0912185