[INFO] fetching crate xkv 0.1.18...
[INFO] testing xkv-0.1.18 against 1.76.0 for beta-1.77-1
[INFO] extracting crate xkv 0.1.18 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate xkv 0.1.18 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xkv 0.1.18
[INFO] finished tweaking crates.io crate xkv 0.1.18
[INFO] tweaked toml for crates.io crate xkv 0.1.18 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trt v0.1.28
[INFO] [stderr]   Downloaded aok v0.1.3
[INFO] [stderr]   Downloaded async-lazy v0.1.0
[INFO] [stderr]   Downloaded fred v7.1.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ed43d1503f8481615a2d4a74ba26fe8cbe2273ec80190c1f170754e4bcf6ed8
[INFO] running `Command { std: "docker" "start" "-a" "1ed43d1503f8481615a2d4a74ba26fe8cbe2273ec80190c1f170754e4bcf6ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ed43d1503f8481615a2d4a74ba26fe8cbe2273ec80190c1f170754e4bcf6ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed43d1503f8481615a2d4a74ba26fe8cbe2273ec80190c1f170754e4bcf6ed8", kill_on_drop: false }`
[INFO] [stdout] 1ed43d1503f8481615a2d4a74ba26fe8cbe2273ec80190c1f170754e4bcf6ed8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec33edb106ab1c48362a339bcfc65ba100aa0141e35e77accb7f0be120cbcb93
[INFO] running `Command { std: "docker" "start" "-a" "ec33edb106ab1c48362a339bcfc65ba100aa0141e35e77accb7f0be120cbcb93", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling cookie-factory v0.3.2
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling bytes-utils v0.1.4
[INFO] [stderr]    Compiling aok v0.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling ctor v0.2.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling redis-protocol v4.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling async-lazy v0.1.0
[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-6f17d22bba15001f/async-lazy-0.1.0/src/lib.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "nightly", feature(doc_cfg, impl_trait_in_assoc_type))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-lazy` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec33edb106ab1c48362a339bcfc65ba100aa0141e35e77accb7f0be120cbcb93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec33edb106ab1c48362a339bcfc65ba100aa0141e35e77accb7f0be120cbcb93", kill_on_drop: false }`
[INFO] [stdout] ec33edb106ab1c48362a339bcfc65ba100aa0141e35e77accb7f0be120cbcb93
