[INFO] fetching crate owned-pin 1.3.3...
[INFO] testing owned-pin-1.3.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate owned-pin 1.3.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate owned-pin 1.3.3
[INFO] finished tweaking crates.io crate owned-pin 1.3.3
[INFO] tweaked toml for crates.io crate owned-pin 1.3.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate owned-pin 1.3.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[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 pinned-init v0.0.10
[INFO] [stderr]   Downloaded owned-pin-macros v0.2.0
[INFO] [stderr]   Downloaded pinned-init-macro v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dc03f628f47e27da327f034283edc5b86a65932c0c0bff98c79b1c53cff83ec8
[INFO] running `Command { std: "docker" "start" "-a" "dc03f628f47e27da327f034283edc5b86a65932c0c0bff98c79b1c53cff83ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc03f628f47e27da327f034283edc5b86a65932c0c0bff98c79b1c53cff83ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc03f628f47e27da327f034283edc5b86a65932c0c0bff98c79b1c53cff83ec8", kill_on_drop: false }`
[INFO] [stdout] dc03f628f47e27da327f034283edc5b86a65932c0c0bff98c79b1c53cff83ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c433425812abee5a5fb81406c5139b25cb0e61f03f060d4a27521542ecac3668
[INFO] running `Command { std: "docker" "start" "-a" "c433425812abee5a5fb81406c5139b25cb0e61f03f060d4a27521542ecac3668", kill_on_drop: false }`
[INFO] [stderr]    Compiling pinned-init-macro v0.0.6
[INFO] [stderr]    Compiling pinned-init v0.0.10
[INFO] [stderr]    Compiling owned-pin-macros v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pinned-init-0.0.10/src/lib.rs:297:32
[INFO] [stdout]     |
[INFO] [stdout] 297 | #![cfg_attr(feature = "alloc", feature(allocator_api))]
[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 `pinned-init` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c433425812abee5a5fb81406c5139b25cb0e61f03f060d4a27521542ecac3668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c433425812abee5a5fb81406c5139b25cb0e61f03f060d4a27521542ecac3668", kill_on_drop: false }`
[INFO] [stdout] c433425812abee5a5fb81406c5139b25cb0e61f03f060d4a27521542ecac3668