[INFO] updating cached repository https://github.com/jawm/protolang [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 529add6bdffa68d173674f024985a3650da11ee7 [INFO] checking jawm/protolang against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawm%2Fprotolang" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jawm/protolang 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 git repo https://github.com/jawm/protolang [INFO] finished tweaking git repo https://github.com/jawm/protolang [INFO] tweaked toml for git repo https://github.com/jawm/protolang written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/jawm/protolang 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] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/source/src/main.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 06c82a716ac1631785959bd32d591feee2e062af84d1b8d5b04804a4aece696d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "06c82a716ac1631785959bd32d591feee2e062af84d1b8d5b04804a4aece696d"` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.47 [INFO] [stderr] Compiling bumpalo v2.4.3 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling wasm-bindgen v0.2.47 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Checking pest v2.1.1 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.47 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.47 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.47 [INFO] [stderr] Checking js-sys v0.3.24 [INFO] [stderr] Checking compiler v0.1.0 (/opt/rustwide/workdir) [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(exclusive_range_pattern)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(in_band_lifetimes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [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(exclusive_range_pattern)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(in_band_lifetimes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [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(exclusive_range_pattern)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(in_band_lifetimes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [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(exclusive_range_pattern)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(duration_float)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(in_band_lifetimes)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(try_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `compiler`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `compiler`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `compiler`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `compiler`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "06c82a716ac1631785959bd32d591feee2e062af84d1b8d5b04804a4aece696d"` [INFO] running `"docker" "rm" "-f" "06c82a716ac1631785959bd32d591feee2e062af84d1b8d5b04804a4aece696d"` [INFO] [stdout] 06c82a716ac1631785959bd32d591feee2e062af84d1b8d5b04804a4aece696d