[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-2020-08-29 for beta-1.47-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-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/heim-rs/heim-node-exporter 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/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-5/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: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/rust-lang-nursery/futures-rs.git` [INFO] [stderr] Updating git repository `https://github.com/rustasync/tide.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_qs v0.5.0 [INFO] [stderr] Downloaded ntapi v0.3.3 [INFO] [stderr] Downloaded metrics-util v0.3.0 [INFO] [stderr] Downloaded hdrhistogram v6.3.4 [INFO] [stderr] Downloaded quanta v0.3.1 [INFO] [stderr] Downloaded metrics-observer-prometheus v0.1.1 [INFO] [stderr] Downloaded macaddr v0.1.1 [INFO] [stderr] Downloaded heim-derive v0.0.6 [INFO] [stderr] Downloaded heim-common v0.0.6 [INFO] [stderr] Downloaded heim-runtime v0.0.2 [INFO] [stderr] Downloaded metrics v0.11.0 [INFO] [stderr] Downloaded platforms v0.2.0 [INFO] [stderr] Downloaded http-service-hyper v0.4.0 [INFO] [stderr] Downloaded heim-net v0.0.6 [INFO] [stderr] Downloaded metrics-core v0.5.1 [INFO] [stderr] Downloaded heim v0.0.6 [INFO] [stderr] Downloaded heim-disk v0.0.6 [INFO] [stderr] Downloaded heim-memory v0.0.6 [INFO] [stderr] Downloaded metrics-runtime v0.1.0 [INFO] [stderr] Downloaded heim-virt v0.0.6 [INFO] [stderr] Downloaded heim-cpu v0.0.6 [INFO] [stderr] Downloaded http-service v0.3.0 [INFO] [stderr] Downloaded heim-host v0.0.6 [INFO] [stderr] Downloaded heim-process v0.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] bb3f177ba3fd02c063ac4cf9cac054d71b02317dd3498553da21dd62b5e2391a [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" "bb3f177ba3fd02c063ac4cf9cac054d71b02317dd3498553da21dd62b5e2391a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb3f177ba3fd02c063ac4cf9cac054d71b02317dd3498553da21dd62b5e2391a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb3f177ba3fd02c063ac4cf9cac054d71b02317dd3498553da21dd62b5e2391a", kill_on_drop: false }` [INFO] [stdout] bb3f177ba3fd02c063ac4cf9cac054d71b02317dd3498553da21dd62b5e2391a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7679260b01195dd28273dd32eadb2738d537c4ef8d4960cc8f537765a722c324 [INFO] running `Command { std: "docker" "start" "-a" "7679260b01195dd28273dd32eadb2738d537c4ef8d4960cc8f537765a722c324", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Compiling syn v0.15.43 [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] Compiling proc-macro-nested v0.1.3 [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 serde v1.0.98 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling heim-common v0.0.6 [INFO] [stderr] Checking safemem v0.3.1 [INFO] [stderr] Checking data-encoding v2.1.2 [INFO] [stderr] Compiling metrics v0.11.0 [INFO] [stderr] Compiling heim-host v0.0.6 [INFO] [stderr] Checking metrics-core v0.5.1 [INFO] [stderr] Checking macaddr v0.1.1 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking platforms v0.2.0 [INFO] [stderr] Checking hashbrown v0.5.0 [INFO] [stderr] Checking arc-swap v0.3.11 [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] Compiling libc v0.2.60 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking getrandom v0.1.8 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking quanta v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling hyper v0.12.33 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking sized-chunks v0.1.3 [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 threadpool v1.7.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking hdrhistogram v6.3.4 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking http v0.1.18 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking multipart v0.16.1 [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] Compiling futures-select-macro-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc) [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] 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] | ^^^^^^^^^^^^^^^^^^^^ [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`. [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" "7679260b01195dd28273dd32eadb2738d537c4ef8d4960cc8f537765a722c324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7679260b01195dd28273dd32eadb2738d537c4ef8d4960cc8f537765a722c324", kill_on_drop: false }` [INFO] [stdout] 7679260b01195dd28273dd32eadb2738d537c4ef8d4960cc8f537765a722c324