[INFO] fetching crate juniper_graphql_ws 0.2.2...
[INFO] checking juniper_graphql_ws-0.2.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate juniper_graphql_ws 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate juniper_graphql_ws 0.2.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juniper_graphql_ws 0.2.2
[INFO] finished tweaking crates.io crate juniper_graphql_ws 0.2.2
[INFO] tweaked toml for crates.io crate juniper_graphql_ws 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1063c6244ab1ab80815adbf2eeb160933c5abf45dbb0afd19d70392b59dd02b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1063c6244ab1ab80815adbf2eeb160933c5abf45dbb0afd19d70392b59dd02b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1063c6244ab1ab80815adbf2eeb160933c5abf45dbb0afd19d70392b59dd02b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1063c6244ab1ab80815adbf2eeb160933c5abf45dbb0afd19d70392b59dd02b3", kill_on_drop: false }`
[INFO] [stdout] 1063c6244ab1ab80815adbf2eeb160933c5abf45dbb0afd19d70392b59dd02b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2116ec21197af6a5ca932df955fa30bc60e51ed67fa48c8833a4303d98294e14
[INFO] running `Command { std: "docker" "start" "-a" "2116ec21197af6a5ca932df955fa30bc60e51ed67fa48c8833a4303d98294e14", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-enum v0.1.17
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling juniper_codegen v0.15.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stdout] error[E0599]: no variant or associated item named `__Nonexhaustive` found for enum `syn::Type` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/juniper_codegen-0.15.2/src/common/parse/mod.rs:199:18
[INFO] [stdout]     |
[INFO] [stdout] 199 |             | T::__Nonexhaustive => {}
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  variant or associated item not found in `syn::Type`
[INFO] [stdout]     |                  help: there is a variant with a similar name: `__TestExhaustive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juniper_codegen`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2116ec21197af6a5ca932df955fa30bc60e51ed67fa48c8833a4303d98294e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2116ec21197af6a5ca932df955fa30bc60e51ed67fa48c8833a4303d98294e14", kill_on_drop: false }`
[INFO] [stdout] 2116ec21197af6a5ca932df955fa30bc60e51ed67fa48c8833a4303d98294e14