[INFO] fetching crate stop-thread 0.2.0... [INFO] testing stop-thread-0.2.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate stop-thread 0.2.0 into /workspace/builds/worker-57/source [INFO] validating manifest of crates.io crate stop-thread 0.2.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stop-thread 0.2.0 [INFO] finished tweaking crates.io crate stop-thread 0.2.0 [INFO] tweaked toml for crates.io crate stop-thread 0.2.0 written to /workspace/builds/worker-57/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2166e24ddafd2970779f354bfb2376913f9210947ff0cf8df8c19adbfbcd2ab [INFO] running `Command { std: "docker" "start" "-a" "b2166e24ddafd2970779f354bfb2376913f9210947ff0cf8df8c19adbfbcd2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2166e24ddafd2970779f354bfb2376913f9210947ff0cf8df8c19adbfbcd2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2166e24ddafd2970779f354bfb2376913f9210947ff0cf8df8c19adbfbcd2ab", kill_on_drop: false }` [INFO] [stdout] b2166e24ddafd2970779f354bfb2376913f9210947ff0cf8df8c19adbfbcd2ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f63f9b1bffb75f6e4ed748aa1f54e06594eab9eb1c72d35ce5c5cbbf5c16cf4 [INFO] running `Command { std: "docker" "start" "-a" "7f63f9b1bffb75f6e4ed748aa1f54e06594eab9eb1c72d35ce5c5cbbf5c16cf4", kill_on_drop: false }` [INFO] [stderr] Compiling stop-thread v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(doc_cfg)] [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 `stop-thread` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7f63f9b1bffb75f6e4ed748aa1f54e06594eab9eb1c72d35ce5c5cbbf5c16cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f63f9b1bffb75f6e4ed748aa1f54e06594eab9eb1c72d35ce5c5cbbf5c16cf4", kill_on_drop: false }` [INFO] [stdout] 7f63f9b1bffb75f6e4ed748aa1f54e06594eab9eb1c72d35ce5c5cbbf5c16cf4