[INFO] cloning repository https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubnt-intrepid/finchers-graphql-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f65e5d0af3a079cb74e479766d3f6c40b4bf90c
[INFO] documenting ubnt-intrepid/finchers-graphql-example against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/finchers-graphql-example on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/finchers-graphql-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/finchers-graphql-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcrypt v0.2.0
[INFO] [stderr]   Downloaded blowfish v0.3.0
[INFO] [stderr]   Downloaded block-cipher-trait v0.5.3
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.4
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded serde_qs v0.4.1
[INFO] [stderr]   Downloaded opaque-debug v0.1.1
[INFO] [stderr]   Downloaded syn v0.15.3
[INFO] [stderr]   Downloaded juniper v0.10.0
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded hyperx v0.13.1
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded cc v1.0.24
[INFO] [stderr]   Downloaded termcolor v1.0.3
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded hyper v0.12.9
[INFO] [stderr]   Downloaded finchers-juniper v0.1.0-alpha.3
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded http v0.1.12
[INFO] [stderr]   Downloaded juniper_codegen v0.10.0
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.0
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded finchers v0.12.0-alpha.5
[INFO] [stderr]   Downloaded diesel v1.3.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] c34ebf43aca043f9161bf402650280a020420d7538d675f3589541e8fcc7bb1a
[INFO] running `Command { std: "docker" "start" "-a" "c34ebf43aca043f9161bf402650280a020420d7538d675f3589541e8fcc7bb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c34ebf43aca043f9161bf402650280a020420d7538d675f3589541e8fcc7bb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34ebf43aca043f9161bf402650280a020420d7538d675f3589541e8fcc7bb1a", kill_on_drop: false }`
[INFO] [stdout] c34ebf43aca043f9161bf402650280a020420d7538d675f3589541e8fcc7bb1a
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf41207f93b3f5127b7dc265846229cf266cc49f5ce432eb74075c8a6885e8d8
[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" "bf41207f93b3f5127b7dc265846229cf266cc49f5ce432eb74075c8a6885e8d8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking lazycell v1.0.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-utils-0.1.0-alpha.2/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-utils`.
[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" "bf41207f93b3f5127b7dc265846229cf266cc49f5ce432eb74075c8a6885e8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf41207f93b3f5127b7dc265846229cf266cc49f5ce432eb74075c8a6885e8d8", kill_on_drop: false }`
[INFO] [stdout] bf41207f93b3f5127b7dc265846229cf266cc49f5ce432eb74075c8a6885e8d8