[INFO] updating cached repository makslevental/athens_backend [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/makslevental/athens_backend [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/makslevental/athens_backend" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/makslevental/athens_backend"` [INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/makslevental/athens_backend'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/makslevental/athens_backend" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/makslevental/athens_backend"` [INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/makslevental/athens_backend'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bfc633c6de9ec6032b343732c4ad4f6a6f1e39ad [INFO] sha for GitHub repo makslevental/athens_backend: bfc633c6de9ec6032b343732c4ad4f6a6f1e39ad [INFO] validating manifest of makslevental/athens_backend on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of makslevental/athens_backend on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing makslevental/athens_backend [INFO] finished frobbing makslevental/athens_backend [INFO] frobbed toml for makslevental/athens_backend written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/makslevental/athens_backend/Cargo.toml [INFO] started frobbing makslevental/athens_backend [INFO] finished frobbing makslevental/athens_backend [INFO] frobbed toml for makslevental/athens_backend written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/makslevental/athens_backend/Cargo.toml [INFO] crate makslevental/athens_backend has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking makslevental/athens_backend against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-1/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/makslevental/athens_backend:/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=forbid" "-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" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1768c55dca6b3f9a83523e338cd95bd51ddebc99d0260877620e2baf3abf8cc1 [INFO] running `"docker" "start" "-a" "1768c55dca6b3f9a83523e338cd95bd51ddebc99d0260877620e2baf3abf8cc1"` [INFO] [stderr] Checking Inflector v0.11.3 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Compiling libsqlite3-sys v0.9.3 [INFO] [stderr] Compiling libz-sys v1.0.22 [INFO] [stderr] Compiling curl-sys v0.4.12 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Checking nom v4.0.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking want v0.0.4 [INFO] [stderr] Compiling serde v1.0.78 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Compiling pear_codegen v0.0.20 [INFO] [stderr] Checking tendril v0.3.1 [INFO] [stderr] Checking csv v1.0.2 [INFO] [stderr] Checking openssl v0.9.24 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking hyper v0.10.13 [INFO] [stderr] Compiling syn v0.15.3 [INFO] [stderr] error[E0599]: no variant named `concat` found for type `syntax::tokenstream::TokenStream` in the current scope [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/src/lib.rs:330:67 [INFO] [stderr] | [INFO] [stderr] 330 | mac.node.tts = ThinTokenStream::from(TokenStream::concat(streams)); [INFO] [stderr] | -------------^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | variant not found in `syntax::tokenstream::TokenStream` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: Could not compile `pear_codegen`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "1768c55dca6b3f9a83523e338cd95bd51ddebc99d0260877620e2baf3abf8cc1"` [INFO] running `"docker" "rm" "-f" "1768c55dca6b3f9a83523e338cd95bd51ddebc99d0260877620e2baf3abf8cc1"` [INFO] [stdout] 1768c55dca6b3f9a83523e338cd95bd51ddebc99d0260877620e2baf3abf8cc1