[INFO] fetching crate dy_tlsf 0.0.2...
[INFO] testing dy_tlsf-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dy_tlsf 0.0.2 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate dy_tlsf 0.0.2 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 dy_tlsf 0.0.2
[INFO] finished tweaking crates.io crate dy_tlsf 0.0.2
[INFO] tweaked toml for crates.io crate dy_tlsf 0.0.2 written to /workspace/builds/worker-27/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] a929cb7b663c74109288f40e173b1fd587699d6677af1ba25ac4956488e63284
[INFO] running `Command { std: "docker" "start" "-a" "a929cb7b663c74109288f40e173b1fd587699d6677af1ba25ac4956488e63284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a929cb7b663c74109288f40e173b1fd587699d6677af1ba25ac4956488e63284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a929cb7b663c74109288f40e173b1fd587699d6677af1ba25ac4956488e63284", kill_on_drop: false }`
[INFO] [stdout] a929cb7b663c74109288f40e173b1fd587699d6677af1ba25ac4956488e63284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 409924e50aae6ded14d5a9db3f857114c3078a497f7b5684b3e80a99b8d15229
[INFO] running `Command { std: "docker" "start" "-a" "409924e50aae6ded14d5a9db3f857114c3078a497f7b5684b3e80a99b8d15229", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling dy_tlsf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_internals)]
[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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[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:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dy_tlsf` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "409924e50aae6ded14d5a9db3f857114c3078a497f7b5684b3e80a99b8d15229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409924e50aae6ded14d5a9db3f857114c3078a497f7b5684b3e80a99b8d15229", kill_on_drop: false }`
[INFO] [stdout] 409924e50aae6ded14d5a9db3f857114c3078a497f7b5684b3e80a99b8d15229