[INFO] fetching crate juniper_graphql_ws 0.2.2...
[INFO] checking juniper_graphql_ws-0.2.2 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate juniper_graphql_ws 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate juniper_graphql_ws 0.2.2 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615dbdb9fa1818360ad8cf3d0f8c3cb5d275c8144a16d449e5e3d374aa5b2fc2
[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" "615dbdb9fa1818360ad8cf3d0f8c3cb5d275c8144a16d449e5e3d374aa5b2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615dbdb9fa1818360ad8cf3d0f8c3cb5d275c8144a16d449e5e3d374aa5b2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615dbdb9fa1818360ad8cf3d0f8c3cb5d275c8144a16d449e5e3d374aa5b2fc2", kill_on_drop: false }`
[INFO] [stdout] 615dbdb9fa1818360ad8cf3d0f8c3cb5d275c8144a16d449e5e3d374aa5b2fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62520a7223362196776c622a6f0cf2e944924d02b68d908528620095475d9319
[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" "62520a7223362196776c622a6f0cf2e944924d02b68d908528620095475d9319", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[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 quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling futures-enum v0.1.17
[INFO] [stderr]    Compiling juniper_codegen v0.15.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[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] [stderr]     Checking futures-util v0.3.12
[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" "62520a7223362196776c622a6f0cf2e944924d02b68d908528620095475d9319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62520a7223362196776c622a6f0cf2e944924d02b68d908528620095475d9319", kill_on_drop: false }`
[INFO] [stdout] 62520a7223362196776c622a6f0cf2e944924d02b68d908528620095475d9319