[INFO] cloning repository https://github.com/nnazo/graphql-subscriptions-simple-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnazo/graphql-subscriptions-simple-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnazo%2Fgraphql-subscriptions-simple-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnazo%2Fgraphql-subscriptions-simple-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a159844a2f89a5926048307cdf482b70c471cd73
[INFO] documenting nnazo/graphql-subscriptions-simple-example against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnazo%2Fgraphql-subscriptions-simple-example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnazo/graphql-subscriptions-simple-example on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nnazo/graphql-subscriptions-simple-example
[INFO] finished tweaking git repo https://github.com/nnazo/graphql-subscriptions-simple-example
[INFO] tweaked toml for git repo https://github.com/nnazo/graphql-subscriptions-simple-example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nnazo/graphql-subscriptions-simple-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edd21f5879432c665198ecd2ffa628496b19d804a958e75b350b337ff13fff8e
[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" "edd21f5879432c665198ecd2ffa628496b19d804a958e75b350b337ff13fff8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edd21f5879432c665198ecd2ffa628496b19d804a958e75b350b337ff13fff8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd21f5879432c665198ecd2ffa628496b19d804a958e75b350b337ff13fff8e", kill_on_drop: false }`
[INFO] [stdout] edd21f5879432c665198ecd2ffa628496b19d804a958e75b350b337ff13fff8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f1fb246ad2f1125a9522d415d7aca963ced870f4432a38ac7bb6e5bb1006b4
[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" "22f1fb246ad2f1125a9522d415d7aca963ced870f4432a38ac7bb6e5bb1006b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling multer v2.0.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=88220de56405b1bf -C extra-filename=-88220de56405b1bf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-c6bf3f87ff1f6f1c.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c07eb06424fa6a2c.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-af341da598404971.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-c8ebb8dc8f1792eb.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-69d024a5c9eb4b60.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-4a8f23a235ada163.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-df16d2ab8eb23f89.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-9283102e9cf41fdf.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-919eec9578452e19.rmeta --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-3db5b274372faa08.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-265164cebdf00d82.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-373cdb0b273c2053.rmeta --cap-lints allow --cfg fn_like_proc_macro` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "22f1fb246ad2f1125a9522d415d7aca963ced870f4432a38ac7bb6e5bb1006b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f1fb246ad2f1125a9522d415d7aca963ced870f4432a38ac7bb6e5bb1006b4", kill_on_drop: false }`
[INFO] [stdout] 22f1fb246ad2f1125a9522d415d7aca963ced870f4432a38ac7bb6e5bb1006b4