[INFO] updating cached repository jimblandy/mock-executor [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jimblandy/mock-executor [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/mock-executor" "work/ex/beta-1.38-1/sources/1.37.0/gh/jimblandy/mock-executor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jimblandy/mock-executor'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/mock-executor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jimblandy/mock-executor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jimblandy/mock-executor'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0d9f55d79e9783c047bec32e49e2a068ac94b58c [INFO] sha for GitHub repo jimblandy/mock-executor: 0d9f55d79e9783c047bec32e49e2a068ac94b58c [INFO] validating manifest of jimblandy/mock-executor 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 jimblandy/mock-executor 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 jimblandy/mock-executor [INFO] finished frobbing jimblandy/mock-executor [INFO] frobbed toml for jimblandy/mock-executor written to work/ex/beta-1.38-1/sources/1.37.0/gh/jimblandy/mock-executor/Cargo.toml [INFO] started frobbing jimblandy/mock-executor [INFO] finished frobbing jimblandy/mock-executor [INFO] frobbed toml for jimblandy/mock-executor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jimblandy/mock-executor/Cargo.toml [INFO] crate jimblandy/mock-executor 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 jimblandy/mock-executor 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-6/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/jimblandy/mock-executor:/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] 380b14f035496cdb2412fcce8b07fb3eeb4eeb4bc88b10a506f7ca0a01c8f964 [INFO] running `"docker" "start" "-a" "380b14f035496cdb2412fcce8b07fb3eeb4eeb4bc88b10a506f7ca0a01c8f964"` [INFO] [stderr] Compiling async2 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition [INFO] [stderr] --> src/main.rs:226:1 [INFO] [stderr] | [INFO] [stderr] 226 | async fn print(label: &'static str, future: F) [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:47 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(arbitrary_self_types, async_await, await_macro, fnbox, futures_api, pin)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: subsumed by `.await` syntax [INFO] [stderr] --> src/main.rs:1:47 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(arbitrary_self_types, async_await, await_macro, fnbox, futures_api, pin)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `std::task::LocalWaker`, `std::task::local_waker_from_nonlocal` [INFO] [stderr] --> src/main.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | use std::task::{self, LocalWaker, local_waker_from_nonlocal, Poll}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task` [INFO] [stderr] | | [INFO] [stderr] | no `LocalWaker` in `task` [INFO] [stderr] [INFO] [stderr] error: cannot find macro `await!` in this scope [INFO] [stderr] --> src/main.rs:230:33 [INFO] [stderr] | [INFO] [stderr] 230 | println!("{}: {:?}", label, await!(future)); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Wake` in module `task` [INFO] [stderr] --> src/main.rs:129:12 [INFO] [stderr] | [INFO] [stderr] 129 | impl task::Wake for Waker { [INFO] [stderr] | ^^^^ not found in `task` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(arbitrary_self_types, async_await, await_macro, fnbox, futures_api, pin)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0405, E0432, E0554, E0557, E0670. [INFO] [stderr] For more information about an error, try `rustc --explain E0405`. [INFO] [stderr] error: Could not compile `async2`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "380b14f035496cdb2412fcce8b07fb3eeb4eeb4bc88b10a506f7ca0a01c8f964"` [INFO] running `"docker" "rm" "-f" "380b14f035496cdb2412fcce8b07fb3eeb4eeb4bc88b10a506f7ca0a01c8f964"` [INFO] [stdout] 380b14f035496cdb2412fcce8b07fb3eeb4eeb4bc88b10a506f7ca0a01c8f964