[INFO] fetching crate rulloc 0.1.0...
[INFO] testing rulloc-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rulloc 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rulloc 0.1.0
[INFO] finished tweaking crates.io crate rulloc 0.1.0
[INFO] tweaked toml for crates.io crate rulloc 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rulloc 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rulloc 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9776a2cf2823a0af7285aca7ee186397a92577dc731341dcfe6c12e92ec6300f
[INFO] running `Command { std: "docker" "start" "-a" "9776a2cf2823a0af7285aca7ee186397a92577dc731341dcfe6c12e92ec6300f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9776a2cf2823a0af7285aca7ee186397a92577dc731341dcfe6c12e92ec6300f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9776a2cf2823a0af7285aca7ee186397a92577dc731341dcfe6c12e92ec6300f", kill_on_drop: false }`
[INFO] [stdout] 9776a2cf2823a0af7285aca7ee186397a92577dc731341dcfe6c12e92ec6300f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebc6869d60f667c03a2ad74a8a6c58acb0f63222aa1067bdbc0501f4d0ae56c
[INFO] running `Command { std: "docker" "start" "-a" "5ebc6869d60f667c03a2ad74a8a6c58acb0f63222aa1067bdbc0501f4d0ae56c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling rulloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | #![feature(alloc_layout_extra)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(is_some_and)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | #![feature(strict_provenance)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | #![feature(slice_ptr_get)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `is_some_and` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(is_some_and)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nonnull_slice_from_raw_parts` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `strict_provenance` has been stable since 1.84.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #![feature(strict_provenance)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rulloc` (lib) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5ebc6869d60f667c03a2ad74a8a6c58acb0f63222aa1067bdbc0501f4d0ae56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebc6869d60f667c03a2ad74a8a6c58acb0f63222aa1067bdbc0501f4d0ae56c", kill_on_drop: false }`
[INFO] [stdout] 5ebc6869d60f667c03a2ad74a8a6c58acb0f63222aa1067bdbc0501f4d0ae56c