[INFO] cloning repository https://github.com/infinyon/flv-kf-protocol [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/infinyon/flv-kf-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinyon%2Fflv-kf-protocol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinyon%2Fflv-kf-protocol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04b880b6a73a0641d1a2a3427602123bd12b2678 [INFO] testing infinyon/flv-kf-protocol against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinyon%2Fflv-kf-protocol" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/infinyon/flv-kf-protocol on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-6/source/rust-toolchain [INFO] started tweaking git repo https://github.com/infinyon/flv-kf-protocol [INFO] finished tweaking git repo https://github.com/infinyon/flv-kf-protocol [INFO] tweaked toml for git repo https://github.com/infinyon/flv-kf-protocol written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/infinyon/flv-kf-protocol already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] e44c1dbc627b93a75af8ae16665adb23a7f385c1d62338b5a0f634a611314720 [INFO] running `Command { std: "docker" "start" "-a" "e44c1dbc627b93a75af8ae16665adb23a7f385c1d62338b5a0f634a611314720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e44c1dbc627b93a75af8ae16665adb23a7f385c1d62338b5a0f634a611314720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e44c1dbc627b93a75af8ae16665adb23a7f385c1d62338b5a0f634a611314720", kill_on_drop: false }` [INFO] [stdout] e44c1dbc627b93a75af8ae16665adb23a7f385c1d62338b5a0f634a611314720 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bb3f8d421040a5b362f4508e7be1481ed4fa595e731b266c4563f15c35984bb [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" "9bb3f8d421040a5b362f4508e7be1481ed4fa595e731b266c4563f15c35984bb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling crc32c v0.5.0 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling send_wrapper v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling tracing-core v0.1.16 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling futures-lite v0.1.11 [INFO] [stderr] Compiling content_inspector v0.2.4 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling blocking v0.5.2 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling socket2 v0.3.15 [INFO] [stderr] Compiling polling v0.1.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling async-io v0.1.11 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling async-executor v0.1.2 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.68 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.68 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling kf-protocol-derive v0.2.0 (/opt/rustwide/workdir/kf-protocol-derive) [INFO] [stderr] Compiling async-trait v0.1.40 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.68 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling wasm-bindgen v0.2.68 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling js-sys v0.3.45 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling web-sys v0.3.45 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling gloo-timers v0.2.1 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling async-std v1.6.3 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling kf-protocol-core v0.1.2 (/opt/rustwide/workdir/kf-protocol-core) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> kf-protocol-core/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> kf-protocol-core/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kf-protocol-core` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9bb3f8d421040a5b362f4508e7be1481ed4fa595e731b266c4563f15c35984bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bb3f8d421040a5b362f4508e7be1481ed4fa595e731b266c4563f15c35984bb", kill_on_drop: false }` [INFO] [stdout] 9bb3f8d421040a5b362f4508e7be1481ed4fa595e731b266c4563f15c35984bb