[INFO] cloning repository https://github.com/codebam/chatserver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codebam/chatserver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ccbaf51e3d3b5eaa1d7bc76b95398ff1a9183b2c [INFO] documenting codebam/chatserver-rust 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%2Fcodebam%2Fchatserver-rust" "/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/codebam/chatserver-rust 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/codebam/chatserver-rust [INFO] finished tweaking git repo https://github.com/codebam/chatserver-rust [INFO] tweaked toml for git repo https://github.com/codebam/chatserver-rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/codebam/chatserver-rust 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded block-padding v0.1.5 [INFO] [stderr] Downloaded opaque-debug v0.2.3 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded futures-channel v0.3.1 [INFO] [stderr] Downloaded futures-task v0.3.1 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded futures-core v0.3.1 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded mio-uds v0.6.7 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded async-macros v1.0.0 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.4 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded kv-log-macro v1.0.4 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded generic-array v0.12.3 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded block-buffer v0.7.3 [INFO] [stderr] Downloaded futures-timer v0.4.0 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded serde_derive v1.0.101 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded serde v1.0.101 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-util v0.3.1 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded fake-simd v0.1.2 [INFO] [stderr] Downloaded byte-tools v0.3.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded digest v0.8.1 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded rand_core v0.5.1 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded nodrop v0.1.13 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded futures-macro v0.3.1 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded proc-macro-hack v0.5.9 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded async-std v0.99.6 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded sha2 v0.8.0 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [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] [stdout] a6ce0aff9ef5717d052e092fca2d32294538de86fb2cf3c12a0eebc4b2c1639b [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" "a6ce0aff9ef5717d052e092fca2d32294538de86fb2cf3c12a0eebc4b2c1639b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6ce0aff9ef5717d052e092fca2d32294538de86fb2cf3c12a0eebc4b2c1639b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6ce0aff9ef5717d052e092fca2d32294538de86fb2cf3c12a0eebc4b2c1639b", kill_on_drop: false }` [INFO] [stdout] a6ce0aff9ef5717d052e092fca2d32294538de86fb2cf3c12a0eebc4b2c1639b [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] 2a57f66b2a7bd5bd9c64beb568a1420b4d050d60dd1bacb0380c1231008c8da5 [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" "2a57f66b2a7bd5bd9c64beb568a1420b4d050d60dd1bacb0380c1231008c8da5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [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 byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking async-macros v1.0.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [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/futures-util-preview-0.3.0-alpha.18/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] [stderr] Checking futures-util v0.3.1 [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" "2a57f66b2a7bd5bd9c64beb568a1420b4d050d60dd1bacb0380c1231008c8da5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a57f66b2a7bd5bd9c64beb568a1420b4d050d60dd1bacb0380c1231008c8da5", kill_on_drop: false }` [INFO] [stdout] 2a57f66b2a7bd5bd9c64beb568a1420b4d050d60dd1bacb0380c1231008c8da5