[INFO] fetching crate drone-test 0.1.2...
[INFO] testing drone-test-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate drone-test 0.1.2 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate drone-test 0.1.2 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 drone-test 0.1.2
[INFO] finished tweaking crates.io crate drone-test 0.1.2
[INFO] tweaked toml for crates.io crate drone-test 0.1.2 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] e4799b5267df9dbe991ce96a2fd3b6bb942f6a3b4ebf97cd1f718f109d040a55
[INFO] running `Command { std: "docker" "start" "-a" "e4799b5267df9dbe991ce96a2fd3b6bb942f6a3b4ebf97cd1f718f109d040a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4799b5267df9dbe991ce96a2fd3b6bb942f6a3b4ebf97cd1f718f109d040a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4799b5267df9dbe991ce96a2fd3b6bb942f6a3b4ebf97cd1f718f109d040a55", kill_on_drop: false }`
[INFO] [stdout] e4799b5267df9dbe991ce96a2fd3b6bb942f6a3b4ebf97cd1f718f109d040a55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] ae4d1a8277fae37e061453bfeb963606df033f416838332c0c258e794b2dc46e
[INFO] running `Command { std: "docker" "start" "-a" "ae4d1a8277fae37e061453bfeb963606df033f416838332c0c258e794b2dc46e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sc v0.2.7
[INFO] [stderr]    Compiling drone-test v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0718]: `start` language item must be applied to a function with 1 generic argument
[INFO] [stdout]    --> src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[lang = "start"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 123 | extern "C" fn start(
[INFO] [stdout]     |                    - this function has 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0718.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-test` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae4d1a8277fae37e061453bfeb963606df033f416838332c0c258e794b2dc46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4d1a8277fae37e061453bfeb963606df033f416838332c0c258e794b2dc46e", kill_on_drop: false }`
[INFO] [stdout] ae4d1a8277fae37e061453bfeb963606df033f416838332c0c258e794b2dc46e