[INFO] cloning repository https://github.com/vain0x/competo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vain0x/competo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvain0x%2Fcompeto", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvain0x%2Fcompeto'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2eabac9240c6105965d99e41f8ea0e2d5a59cbfc [INFO] documenting vain0x/competo 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%2Fvain0x%2Fcompeto" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vain0x/competo 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/vain0x/competo [INFO] finished tweaking git repo https://github.com/vain0x/competo [INFO] tweaked toml for git repo https://github.com/vain0x/competo written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/vain0x/competo 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] Downloading crates ... [INFO] [stderr] Downloaded rustc-ap-arena v196.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_cratesio_shim v196.0.0 [INFO] [stderr] Downloaded rustc-ap-syntax_pos v196.0.0 [INFO] [stderr] Downloaded rustc-ap-serialize v196.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v196.0.0 [INFO] [stderr] Downloaded rustc-rayon-core v0.1.1 [INFO] [stderr] Downloaded ena v0.9.3 [INFO] [stderr] Downloaded rustc-ap-rustc_target v196.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v196.0.0 [INFO] [stderr] Downloaded rustc-rayon v0.1.1 [INFO] [stderr] Downloaded rustfmt-nightly v0.8.3 [INFO] [stderr] Downloaded rustc-ap-syntax v196.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4fc423566fde492a9bc588b1255076ac82d04ce9e9e78faed0a65a2fc3d44f4a [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" "4fc423566fde492a9bc588b1255076ac82d04ce9e9e78faed0a65a2fc3d44f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fc423566fde492a9bc588b1255076ac82d04ce9e9e78faed0a65a2fc3d44f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fc423566fde492a9bc588b1255076ac82d04ce9e9e78faed0a65a2fc3d44f4a", kill_on_drop: false }` [INFO] [stdout] 4fc423566fde492a9bc588b1255076ac82d04ce9e9e78faed0a65a2fc3d44f4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b3d7404b543701a0edb10fe5f91a26daaa0707d73edba211059e6acdbd7d5f26 [INFO] running `Command { std: "docker" "start" "-a" "b3d7404b543701a0edb10fe5f91a26daaa0707d73edba211059e6acdbd7d5f26", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-rayon-core v0.1.1 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Checking rustc-ap-serialize v196.0.0 [INFO] [stderr] Compiling rustc-ap-rustc_target v196.0.0 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Compiling regex v1.0.1 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Compiling rustc-ap-syntax v196.0.0 [INFO] [stderr] Compiling rustfmt-nightly v0.8.3 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.8 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking regex-syntax v0.6.1 [INFO] [stdout] error: allow_internal_unstable expects list of feature names [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:71:1 [INFO] [stdout] | [INFO] [stdout] 71 | #[allow_internal_unstable] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/scoped-tls-0.1.2/src/lib.rs:47:34 [INFO] [stdout] | [INFO] [stdout] 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/scoped-tls-0.1.2/src/lib.rs:48:34 [INFO] [stdout] | [INFO] [stdout] 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `scoped-tls`. [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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-serialize-196.0.0/lib.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | #![feature(rustc_private, box_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/rustc-ap-serialize-196.0.0/lib.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/rustc-ap-serialize-196.0.0/lib.rs:27:1 [INFO] [stdout] | [INFO] [stdout] 27 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/rustc-ap-serialize-196.0.0/lib.rs:28:1 [INFO] [stdout] | [INFO] [stdout] 28 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b3d7404b543701a0edb10fe5f91a26daaa0707d73edba211059e6acdbd7d5f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3d7404b543701a0edb10fe5f91a26daaa0707d73edba211059e6acdbd7d5f26", kill_on_drop: false }` [INFO] [stdout] b3d7404b543701a0edb10fe5f91a26daaa0707d73edba211059e6acdbd7d5f26