[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] testing heim-rs/heim-node-exporter against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheim-rs%2Fheim-node-exporter" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heim-rs/heim-node-exporter on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-118/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.8
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded safemem v0.3.1
[INFO] [stderr]   Downloaded serde_qs v0.5.0
[INFO] [stderr]   Downloaded raw-cpuid v6.1.0
[INFO] [stderr]   Downloaded quanta v0.3.1
[INFO] [stderr]   Downloaded syn v0.15.43
[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 http-service-hyper v0.4.0
[INFO] [stderr]   Downloaded metrics-core v0.5.1
[INFO] [stderr]   Downloaded metrics v0.11.0
[INFO] [stderr]   Downloaded metrics-util v0.3.0
[INFO] [stderr]   Downloaded heim-cpu v0.0.6
[INFO] [stderr]   Downloaded macaddr v0.1.1
[INFO] [stderr]   Downloaded heim-disk v0.0.6
[INFO] [stderr]   Downloaded heim-host v0.0.6
[INFO] [stderr]   Downloaded heim v0.0.6
[INFO] [stderr]   Downloaded heim-process v0.0.6
[INFO] [stderr]   Downloaded heim-memory v0.0.6
[INFO] [stderr]   Downloaded heim-virt v0.0.6
[INFO] [stderr]   Downloaded metrics-runtime v0.1.0
[INFO] [stderr]   Downloaded platforms v0.2.0
[INFO] [stderr]   Downloaded heim-net v0.0.6
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.1
[INFO] [stderr]   Downloaded http-service v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41a97453921cd936874ab588ae0dbb780235ddb1d4dabf2eea56a812675cdb2f
[INFO] running `Command { std: "docker" "start" "-a" "41a97453921cd936874ab588ae0dbb780235ddb1d4dabf2eea56a812675cdb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41a97453921cd936874ab588ae0dbb780235ddb1d4dabf2eea56a812675cdb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a97453921cd936874ab588ae0dbb780235ddb1d4dabf2eea56a812675cdb2f", kill_on_drop: false }`
[INFO] [stdout] 41a97453921cd936874ab588ae0dbb780235ddb1d4dabf2eea56a812675cdb2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3695ded1d71bef6de03a85c9721dc61c917acbc7e1a25dbce7130cabb432ba75
[INFO] running `Command { std: "docker" "start" "-a" "3695ded1d71bef6de03a85c9721dc61c917acbc7e1a25dbce7130cabb432ba75", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling heim-common v0.0.6
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling safemem v0.3.1
[INFO] [stderr]    Compiling metrics v0.11.0
[INFO] [stderr]    Compiling heim-host v0.0.6
[INFO] [stderr]    Compiling metrics-core v0.5.1
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling macaddr v0.1.1
[INFO] [stderr]    Compiling platforms v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.8
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling quanta v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling futures-sink-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]    Compiling url v2.1.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17 (https://github.com/rust-lang-nursery/futures-rs.git?rev=049922dc4f26b0b3123a7824a72b4c109bebd86a#049922dc)
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[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 tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tempfile v3.1.0
[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]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling 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 stable 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3695ded1d71bef6de03a85c9721dc61c917acbc7e1a25dbce7130cabb432ba75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3695ded1d71bef6de03a85c9721dc61c917acbc7e1a25dbce7130cabb432ba75", kill_on_drop: false }`
[INFO] [stdout] 3695ded1d71bef6de03a85c9721dc61c917acbc7e1a25dbce7130cabb432ba75