[INFO] updating cached repository jearbear/graphql-testing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jearbear/graphql-testing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jearbear/graphql-testing" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/jearbear/graphql-testing"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/jearbear/graphql-testing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jearbear/graphql-testing" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/jearbear/graphql-testing"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/jearbear/graphql-testing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 10689e39c6bcc40c55c9388a51bf64d39cc1ba3d
[INFO] sha for GitHub repo jearbear/graphql-testing: 10689e39c6bcc40c55c9388a51bf64d39cc1ba3d
[INFO] validating manifest of jearbear/graphql-testing on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jearbear/graphql-testing on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jearbear/graphql-testing
[INFO] finished frobbing jearbear/graphql-testing
[INFO] frobbed toml for jearbear/graphql-testing written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/jearbear/graphql-testing/Cargo.toml
[INFO] started frobbing jearbear/graphql-testing
[INFO] finished frobbing jearbear/graphql-testing
[INFO] frobbed toml for jearbear/graphql-testing written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/jearbear/graphql-testing/Cargo.toml
[INFO] crate jearbear/graphql-testing has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jearbear/graphql-testing against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-6/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/jearbear/graphql-testing:/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50c20ab296882ee1f4a0aa009b8c16c72a5cdf75b5d2897ed304284abc0f4de9
[INFO] running `"docker" "start" "-a" "50c20ab296882ee1f4a0aa009b8c16c72a5cdf75b5d2897ed304284abc0f4de9"`
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling pear_codegen v0.0.20
[INFO] [stderr]    Compiling juniper_codegen v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking juniper v0.9.2
[INFO] [stderr]    Compiling mime v0.2.6
[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" "50c20ab296882ee1f4a0aa009b8c16c72a5cdf75b5d2897ed304284abc0f4de9"`
[INFO] running `"docker" "rm" "-f" "50c20ab296882ee1f4a0aa009b8c16c72a5cdf75b5d2897ed304284abc0f4de9"`
[INFO] [stdout] 50c20ab296882ee1f4a0aa009b8c16c72a5cdf75b5d2897ed304284abc0f4de9