[INFO] cloning repository https://github.com/heim-rs/heim-node-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heim-rs/heim-node-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheim-rs%2Fheim-node-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheim-rs%2Fheim-node-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3b8b26289388069520219d846dd6730b96db38b
[INFO] documenting heim-rs/heim-node-exporter against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheim-rs%2Fheim-node-exporter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heim-rs/heim-node-exporter on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heim-rs/heim-node-exporter
[INFO] finished tweaking git repo https://github.com/heim-rs/heim-node-exporter
[INFO] tweaked toml for git repo https://github.com/heim-rs/heim-node-exporter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/heim-rs/heim-node-exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safemem v0.3.1
[INFO] [stderr]   Downloaded heim-common v0.0.6
[INFO] [stderr]   Downloaded heim-net v0.0.6
[INFO] [stderr]   Downloaded heim-host v0.0.6
[INFO] [stderr]   Downloaded macaddr v0.1.1
[INFO] [stderr]   Downloaded platforms v0.2.0
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded heim-memory v0.0.6
[INFO] [stderr]   Downloaded syn v0.15.43
[INFO] [stderr]   Downloaded http-service-hyper v0.4.0
[INFO] [stderr]   Downloaded serde_qs v0.5.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.8
[INFO] [stderr]   Downloaded http-service v0.3.0
[INFO] [stderr]   Downloaded metrics-runtime v0.1.0
[INFO] [stderr]   Downloaded heim v0.0.6
[INFO] [stderr]   Downloaded metrics-core v0.5.1
[INFO] [stderr]   Downloaded heim-virt v0.0.6
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.1
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded quanta v0.3.1
[INFO] [stderr]   Downloaded heim-process v0.0.6
[INFO] [stderr]   Downloaded heim-disk v0.0.6
[INFO] [stderr]   Downloaded heim-cpu v0.0.6
[INFO] [stderr]   Downloaded heim-runtime v0.0.2
[INFO] [stderr]   Downloaded metrics-util v0.3.0
[INFO] [stderr]   Downloaded metrics v0.11.0
[INFO] [stderr]   Downloaded heim-derive v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49ce69bca7e505bc7f5414f0fb22433419e9b3b0ccebcadeb71d6f3787dacb18
[INFO] running `Command { std: "docker" "start" "-a" "49ce69bca7e505bc7f5414f0fb22433419e9b3b0ccebcadeb71d6f3787dacb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ce69bca7e505bc7f5414f0fb22433419e9b3b0ccebcadeb71d6f3787dacb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ce69bca7e505bc7f5414f0fb22433419e9b3b0ccebcadeb71d6f3787dacb18", kill_on_drop: false }`
[INFO] [stdout] 49ce69bca7e505bc7f5414f0fb22433419e9b3b0ccebcadeb71d6f3787dacb18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fc506a3abaa48712bd9863c007ffb2d47620a38e343c793d27592c04df762e
[INFO] running `Command { std: "docker" "start" "-a" "f1fc506a3abaa48712bd9863c007ffb2d47620a38e343c793d27592c04df762e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking getrandom v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling heim-common v0.0.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking metrics-core v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling heim-derive v0.0.6
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling metrics v0.11.0
[INFO] [stderr]    Compiling heim-host v0.0.6
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking platforms v0.2.0
[INFO] [stderr]     Checking macaddr v0.1.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/futures-rs-4ca77cb4f4f05ac4/049922d/futures-util/src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", feature(async_await))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since `1.39.0` and no longer requires an attribute to enable
[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 `futures-util-preview` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f1fc506a3abaa48712bd9863c007ffb2d47620a38e343c793d27592c04df762e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fc506a3abaa48712bd9863c007ffb2d47620a38e343c793d27592c04df762e", kill_on_drop: false }`
[INFO] [stdout] f1fc506a3abaa48712bd9863c007ffb2d47620a38e343c793d27592c04df762e
