[INFO] fetching crate owned-pin 1.3.3...
[INFO] testing owned-pin-1.3.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate owned-pin 1.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate owned-pin 1.3.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owned-pin-macros v0.2.0
[INFO] [stderr]   Downloaded pinned-init-macro v0.0.4
[INFO] [stderr]   Downloaded pinned-init v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60ec93cfb188b386fc32951768b5c4aa06e9d6379a6603609c8077c03803f003
[INFO] running `Command { std: "docker" "start" "-a" "60ec93cfb188b386fc32951768b5c4aa06e9d6379a6603609c8077c03803f003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60ec93cfb188b386fc32951768b5c4aa06e9d6379a6603609c8077c03803f003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ec93cfb188b386fc32951768b5c4aa06e9d6379a6603609c8077c03803f003", kill_on_drop: false }`
[INFO] [stdout] 60ec93cfb188b386fc32951768b5c4aa06e9d6379a6603609c8077c03803f003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f5cb3ff29138cdcc604eabd27ea72fdb69ab10d2007a883d60c45d79e67a75
[INFO] running `Command { std: "docker" "start" "-a" "43f5cb3ff29138cdcc604eabd27ea72fdb69ab10d2007a883d60c45d79e67a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling pinned-init-macro v0.0.4
[INFO] [stderr]    Compiling pinned-init v0.0.6
[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-6f17d22bba15001f/pinned-init-0.0.6/src/lib.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 250 | #![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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pinned-init-0.0.6/src/lib.rs:251:45
[INFO] [stdout]     |
[INFO] [stdout] 251 | #![cfg_attr(any(feature = "alloc"), feature(new_uninit))]
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-6f17d22bba15001f/pinned-init-0.0.6/src/lib.rs:252:45
[INFO] [stdout]     |
[INFO] [stdout] 252 | #![cfg_attr(any(feature = "alloc"), feature(get_mut_unchecked))]
[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 `pinned-init` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43f5cb3ff29138cdcc604eabd27ea72fdb69ab10d2007a883d60c45d79e67a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f5cb3ff29138cdcc604eabd27ea72fdb69ab10d2007a883d60c45d79e67a75", kill_on_drop: false }`
[INFO] [stdout] 43f5cb3ff29138cdcc604eabd27ea72fdb69ab10d2007a883d60c45d79e67a75
