[INFO] fetching crate veccentric 0.3.1... [INFO] testing veccentric-0.3.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate veccentric 0.3.1 into /workspace/builds/worker-102/source [INFO] validating manifest of crates.io crate veccentric 0.3.1 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] started tweaking crates.io crate veccentric 0.3.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate veccentric 0.3.1 [INFO] tweaked toml for crates.io crate veccentric 0.3.1 written to /workspace/builds/worker-102/source/Cargo.toml [INFO] crate crates.io crate veccentric 0.3.1 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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a39b734dd324241d788772ee9932c3c88341f4f1eac8a3de0dee0ab1d47c31b [INFO] running `Command { std: "docker" "start" "-a" "4a39b734dd324241d788772ee9932c3c88341f4f1eac8a3de0dee0ab1d47c31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a39b734dd324241d788772ee9932c3c88341f4f1eac8a3de0dee0ab1d47c31b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a39b734dd324241d788772ee9932c3c88341f4f1eac8a3de0dee0ab1d47c31b", kill_on_drop: false }` [INFO] [stdout] 4a39b734dd324241d788772ee9932c3c88341f4f1eac8a3de0dee0ab1d47c31b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2c624b58234214058e020cee10ba0dd3a2e41249ca9b06be624d9910f1a1d89 [INFO] running `Command { std: "docker" "start" "-a" "d2c624b58234214058e020cee10ba0dd3a2e41249ca9b06be624d9910f1a1d89", 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] Compiling veccentric v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(doc_cfg, auto_traits, negative_impls)] [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] [stderr] error: could not compile `veccentric` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d2c624b58234214058e020cee10ba0dd3a2e41249ca9b06be624d9910f1a1d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2c624b58234214058e020cee10ba0dd3a2e41249ca9b06be624d9910f1a1d89", kill_on_drop: false }` [INFO] [stdout] d2c624b58234214058e020cee10ba0dd3a2e41249ca9b06be624d9910f1a1d89