[INFO] updating cached repository aep/carrier-custom-service-example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/aep/carrier-custom-service-example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/aep/carrier-custom-service-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/aep/carrier-custom-service-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aep/carrier-custom-service-example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/aep/carrier-custom-service-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aep/carrier-custom-service-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aep/carrier-custom-service-example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fff6b241456bce218b01f8e0f99658ec3a174c09 [INFO] sha for GitHub repo aep/carrier-custom-service-example: fff6b241456bce218b01f8e0f99658ec3a174c09 [INFO] validating manifest of aep/carrier-custom-service-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 aep/carrier-custom-service-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 aep/carrier-custom-service-example [INFO] finished frobbing aep/carrier-custom-service-example [INFO] frobbed toml for aep/carrier-custom-service-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/aep/carrier-custom-service-example/Cargo.toml [INFO] started frobbing aep/carrier-custom-service-example [INFO] finished frobbing aep/carrier-custom-service-example [INFO] frobbed toml for aep/carrier-custom-service-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aep/carrier-custom-service-example/Cargo.toml [INFO] crate aep/carrier-custom-service-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 aep/carrier-custom-service-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/aep/carrier-custom-service-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] 71c4cc512b2fa259ca41ad9fbeb2e1cc7df9974730c9bb9dacf59302ae5bbe08 [INFO] running `"docker" "start" "-a" "71c4cc512b2fa259ca41ad9fbeb2e1cc7df9974730c9bb9dacf59302ae5bbe08"` [INFO] [stderr] Compiling cc v1.0.38 [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling subtle v2.1.0 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling static_slice v0.0.3 [INFO] [stderr] Compiling mtdparts v0.2.0 [INFO] [stderr] Compiling bs58 v0.2.2 [INFO] [stderr] Compiling crc8 v0.1.1 [INFO] [stderr] Compiling gcmap v0.1.4 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling snow v0.5.2 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling tinylogger v0.1.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling pbr v1.0.1 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling hpack v0.3.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling clear_on_drop v0.2.3 [INFO] [stderr] Compiling hacl-star-sys v0.0.7 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling backtrace v0.3.33 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling curve25519-dalek v1.2.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling toml v0.5.1 [INFO] [stderr] Compiling hacl-star v0.0.14 [INFO] [stderr] Compiling x25519-dalek v0.5.2 [INFO] [stderr] Compiling osaka-macros v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling ed25519-dalek v1.0.0-pre.1 [INFO] [stderr] Compiling osaka v0.2.10 [INFO] [stderr] Compiling prost-derive v0.5.0 [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/osaka-0.2.10/src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(generators, generator_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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/osaka-0.2.10/src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(custom_attribute)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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/osaka-0.2.10/src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(termination_trait_lib)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `osaka`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "71c4cc512b2fa259ca41ad9fbeb2e1cc7df9974730c9bb9dacf59302ae5bbe08"` [INFO] running `"docker" "rm" "-f" "71c4cc512b2fa259ca41ad9fbeb2e1cc7df9974730c9bb9dacf59302ae5bbe08"` [INFO] [stdout] 71c4cc512b2fa259ca41ad9fbeb2e1cc7df9974730c9bb9dacf59302ae5bbe08