[INFO] cloning repository https://github.com/golden13/chronos_exporter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golden13/chronos_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolden13%2Fchronos_exporter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolden13%2Fchronos_exporter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be46b69426ca7cfa591adae4fe3a7924f587247c [INFO] documenting golden13/chronos_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%2Fgolden13%2Fchronos_exporter" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/golden13/chronos_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/golden13/chronos_exporter [INFO] finished tweaking git repo https://github.com/golden13/chronos_exporter [INFO] tweaked toml for git repo https://github.com/golden13/chronos_exporter written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/golden13/chronos_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] Downloading crates ... [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded schannel v0.1.17 [INFO] [stderr] Downloaded openssl v0.10.28 [INFO] [stderr] Downloaded webpki v0.21.2 [INFO] [stderr] Downloaded serde-hjson v0.8.2 [INFO] [stderr] Downloaded linked-hash-map v0.3.0 [INFO] [stderr] Downloaded gethostname v0.2.1 [INFO] [stderr] Downloaded winapi-util v0.1.3 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded serde_test v0.8.23 [INFO] [stderr] Downloaded tokio-rustls v0.10.3 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded rustls v0.16.0 [INFO] [stderr] Downloaded smallvec v1.2.0 [INFO] [stderr] Downloaded sysinfo v0.9.6 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded sct v0.6.0 [INFO] [stderr] Downloaded regex-syntax v0.6.14 [INFO] [stderr] Downloaded regex v1.3.4 [INFO] [stderr] Downloaded unicode-normalization v0.1.12 [INFO] [stderr] Downloaded indexmap v1.3.1 [INFO] [stderr] Downloaded aho-corasick v0.7.8 [INFO] [stderr] Downloaded serde_json v1.0.46 [INFO] [stderr] Downloaded dtoa v0.4.5 [INFO] [stderr] Downloaded hyper-rustls v0.17.1 [INFO] [stderr] Downloaded openssl-sys v0.9.54 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded rust-ini v0.13.0 [INFO] [stderr] Downloaded config v0.9.3 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded ring v0.16.11 [INFO] [stderr] Downloaded untrusted v0.7.0 [INFO] [stderr] Downloaded prometheus_exporter_base v0.5.0 [INFO] [stderr] Downloaded ct-logs v0.6.0 [INFO] [stderr] Downloaded webpki-roots v0.17.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.8 [INFO] [stderr] Downloaded backtrace v0.3.43 [INFO] [stderr] Downloaded syn v1.0.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 071a3ce9340e252ea13e16e534fbce5e852cebd50a4e0fe6b336aa66b1579684 [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" "071a3ce9340e252ea13e16e534fbce5e852cebd50a4e0fe6b336aa66b1579684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "071a3ce9340e252ea13e16e534fbce5e852cebd50a4e0fe6b336aa66b1579684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "071a3ce9340e252ea13e16e534fbce5e852cebd50a4e0fe6b336aa66b1579684", kill_on_drop: false }` [INFO] [stdout] 071a3ce9340e252ea13e16e534fbce5e852cebd50a4e0fe6b336aa66b1579684 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 40157d93e01656a1ec76d1c76d5a7961d2a23110437785ec270a803e6c26215a [INFO] running `Command { std: "docker" "start" "-a" "40157d93e01656a1ec76d1c76d5a7961d2a23110437785ec270a803e6c26215a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Compiling sysinfo v0.9.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling ring v0.16.11 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking gethostname v0.2.1 [INFO] [stderr] Checking aho-corasick v0.7.8 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking openssl-sys v0.9.54 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking num-complex v0.2.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Checking num-iter v0.1.40 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking openssl v0.10.28 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking backtrace v0.3.43 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking num-rational v0.2.3 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking publicsuffix v1.5.4 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stderr] Checking webpki v0.21.2 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking tokio-rustls v0.10.3 [INFO] [stderr] Checking hyper-rustls v0.17.1 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking serde_json v1.0.46 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking prometheus_exporter_base v0.5.0 [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/prometheus_exporter_base-0.5.0/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![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 `prometheus_exporter_base`. [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" "40157d93e01656a1ec76d1c76d5a7961d2a23110437785ec270a803e6c26215a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40157d93e01656a1ec76d1c76d5a7961d2a23110437785ec270a803e6c26215a", kill_on_drop: false }` [INFO] [stdout] 40157d93e01656a1ec76d1c76d5a7961d2a23110437785ec270a803e6c26215a