[INFO] cloning repository https://github.com/rust-lang-nursery/rls [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/rls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abcfc02a197eb11d05ec68382f7a76cf622afd95 [INFO] testing rust-lang-nursery/rls against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frls" "/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/rust-lang-nursery/rls on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0/source/rust-toolchain [INFO] started tweaking git repo https://github.com/rust-lang-nursery/rls [INFO] finished tweaking git repo https://github.com/rust-lang-nursery/rls [INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/rls written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/rust-lang-nursery/rls already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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 tracing v0.1.23 [INFO] [stderr] Downloaded serde_ignored v0.1.2 [INFO] [stderr] Downloaded env_logger v0.8.4 [INFO] [stderr] Downloaded psm v0.1.12 [INFO] [stderr] Downloaded rustc-ap-rustc_serialize v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_fs_util v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lexer v718.0.0 [INFO] [stderr] Downloaded tar v0.4.32 [INFO] [stderr] Downloaded opener v0.4.1 [INFO] [stderr] Downloaded idna v0.2.1 [INFO] [stderr] Downloaded rustc-ap-rustc_graphviz v718.0.0 [INFO] [stderr] Downloaded futures-executor v0.3.12 [INFO] [stderr] Downloaded parity-tokio-ipc v0.9.0 [INFO] [stderr] Downloaded rustc-ap-rustc_index v718.0.0 [INFO] [stderr] Downloaded jsonrpc-client-transports v18.0.0 [INFO] [stderr] Downloaded crypto-hash v0.3.4 [INFO] [stderr] Downloaded utf8parse v0.1.1 [INFO] [stderr] Downloaded git2-curl v0.14.1 [INFO] [stderr] Downloaded sized-chunks v0.6.4 [INFO] [stderr] Downloaded git2 v0.13.17 [INFO] [stderr] Downloaded im-rc v15.0.0 [INFO] [stderr] Downloaded fwdansi v1.1.0 [INFO] [stderr] Downloaded commoncrypto-sys v0.2.0 [INFO] [stderr] Downloaded rustc-ap-rustc_parse v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_errors v718.0.0 [INFO] [stderr] Downloaded semver v0.10.0 [INFO] [stderr] Downloaded jsonrpc-server-utils v18.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_lint_defs v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_ast v718.0.0 [INFO] [stderr] Downloaded lsp-codec v0.3.0 [INFO] [stderr] Downloaded rustc-ap-rustc_target v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_feature v718.0.0 [INFO] [stderr] Downloaded memmap2 v0.2.2 [INFO] [stderr] Downloaded stacker v0.1.13 [INFO] [stderr] Downloaded serde_repr v0.1.6 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded if_chain v1.0.1 [INFO] [stderr] Downloaded jsonrpc-ipc-server v18.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_arena v718.0.0 [INFO] [stderr] Downloaded tokio v1.7.1 [INFO] [stderr] Downloaded jsonrpc-pubsub v18.0.0 [INFO] [stderr] Downloaded rustc-semver v1.1.0 [INFO] [stderr] Downloaded rls-span v0.5.4 [INFO] [stderr] Downloaded tokio-stream v0.1.6 [INFO] [stderr] Downloaded rustc-ap-rustc_ast_pretty v718.0.0 [INFO] [stderr] Downloaded curl-sys v0.4.40+curl-7.75.0 [INFO] [stderr] Downloaded measureme v9.1.1 [INFO] [stderr] Downloaded fst v0.4.7 [INFO] [stderr] Downloaded libgit2-sys v0.12.18+1.1.0 [INFO] [stderr] Downloaded rustc-ap-rustc_session v718.0.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.12 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.6+1.43.0 [INFO] [stderr] Downloaded vte v0.3.3 [INFO] [stderr] Downloaded racer v2.1.47 [INFO] [stderr] Downloaded jsonrpc-core-client v18.0.0 [INFO] [stderr] Downloaded jsonrpc-derive v18.0.0 [INFO] [stderr] Downloaded rls-data v0.19.1 [INFO] [stderr] Downloaded commoncrypto v0.2.0 [INFO] [stderr] Downloaded ordslice v0.3.0 [INFO] [stderr] Downloaded jsonrpc-core v18.0.0 [INFO] [stderr] Downloaded rustc_tools_util v0.2.0 [INFO] [stderr] Downloaded rustc-rayon v0.3.1 [INFO] [stderr] Downloaded rustfix v0.5.1 [INFO] [stderr] Downloaded rustc-rayon-core v0.3.1 [INFO] [stderr] Downloaded strip-ansi-escapes v0.1.0 [INFO] [stderr] Downloaded lsp-types v0.60.0 [INFO] [stderr] Downloaded arrayvec v0.7.0 [INFO] [stderr] Downloaded shell-escape v0.1.5 [INFO] [stderr] Downloaded termize v0.1.1 [INFO] [stderr] Downloaded sha-1 v0.9.3 [INFO] [stderr] Downloaded bstr v0.2.14 [INFO] [stderr] Downloaded rls-vfs v0.8.0 [INFO] [stderr] Downloaded rustc-ap-rustc_macros v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_data_structures v718.0.0 [INFO] [stderr] Downloaded rustc-ap-rustc_span v718.0.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e663d83249f1498aeda7d69d534987dfb62658e75443330e68f755083de3190e [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" "e663d83249f1498aeda7d69d534987dfb62658e75443330e68f755083de3190e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e663d83249f1498aeda7d69d534987dfb62658e75443330e68f755083de3190e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e663d83249f1498aeda7d69d534987dfb62658e75443330e68f755083de3190e", kill_on_drop: false }` [INFO] [stdout] e663d83249f1498aeda7d69d534987dfb62658e75443330e68f755083de3190e [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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d38e57b702840015467d28aeb2ad1d75d77963318bbdb1d4418b858c2b340fe5 [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" "d38e57b702840015467d28aeb2ad1d75d77963318bbdb1d4418b858c2b340fe5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling rustc-rayon-core v0.3.1 [INFO] [stderr] Compiling arrayvec v0.7.0 [INFO] [stderr] Compiling rustc-ap-rustc_graphviz v718.0.0 [INFO] [stderr] Compiling curl v0.4.34 [INFO] [stderr] Compiling rustc-ap-rustc_fs_util v718.0.0 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Compiling rustc_tools_util v0.2.0 [INFO] [stderr] Compiling rustfmt-nightly v1.4.37 (https://github.com/rust-lang/rustfmt?rev=28460e1e9aff317fa1bbca95b22421e7ccd7723d#28460e1e) [INFO] [stderr] Compiling shell-escape v0.1.5 [INFO] [stderr] Compiling bytesize v1.0.1 [INFO] [stderr] Compiling opener v0.4.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling ordslice v0.3.0 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-1.6.1/src/lib.rs:76:37 [INFO] [stdout] | [INFO] [stdout] 76 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_graphviz-718.0.0/src/lib.rs:278:1 [INFO] [stdout] | [INFO] [stdout] 278 | #![feature(nll)] [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] [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 `smallvec` 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" "d38e57b702840015467d28aeb2ad1d75d77963318bbdb1d4418b858c2b340fe5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d38e57b702840015467d28aeb2ad1d75d77963318bbdb1d4418b858c2b340fe5", kill_on_drop: false }` [INFO] [stdout] d38e57b702840015467d28aeb2ad1d75d77963318bbdb1d4418b858c2b340fe5