[INFO] fetching crate rayon-attr 0.1.1... [INFO] testing rayon-attr-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rayon-attr 0.1.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate rayon-attr 0.1.1 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] started tweaking crates.io crate rayon-attr 0.1.1 [INFO] finished tweaking crates.io crate rayon-attr 0.1.1 [INFO] tweaked toml for crates.io crate rayon-attr 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 183a43bf906b28b1d5f94a510e283f6d7522af8ff6d1a81490919ba5fbfa9201 [INFO] running `Command { std: "docker" "start" "-a" "183a43bf906b28b1d5f94a510e283f6d7522af8ff6d1a81490919ba5fbfa9201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "183a43bf906b28b1d5f94a510e283f6d7522af8ff6d1a81490919ba5fbfa9201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "183a43bf906b28b1d5f94a510e283f6d7522af8ff6d1a81490919ba5fbfa9201", kill_on_drop: false }` [INFO] [stdout] 183a43bf906b28b1d5f94a510e283f6d7522af8ff6d1a81490919ba5fbfa9201 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] db4b03fbe7aa38a60a224cff7b98e61ac002a169c8638e3a81ac7c6c4df55225 [INFO] running `Command { std: "docker" "start" "-a" "db4b03fbe7aa38a60a224cff7b98e61ac002a169c8638e3a81ac7c6c4df55225", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling rayon-attr v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [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 `rayon-attr` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "db4b03fbe7aa38a60a224cff7b98e61ac002a169c8638e3a81ac7c6c4df55225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4b03fbe7aa38a60a224cff7b98e61ac002a169c8638e3a81ac7c6c4df55225", kill_on_drop: false }` [INFO] [stdout] db4b03fbe7aa38a60a224cff7b98e61ac002a169c8638e3a81ac7c6c4df55225