[INFO] fetching crate nosql_rocksdb 0.0.2...
[INFO] testing nosql_rocksdb-0.0.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate nosql_rocksdb 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nosql_rocksdb 0.0.2 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 nosql_rocksdb 0.0.2
[INFO] finished tweaking crates.io crate nosql_rocksdb 0.0.2
[INFO] tweaked toml for crates.io crate nosql_rocksdb 0.0.2 written to /workspace/builds/worker-3-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 nosql_db v0.0.2
[INFO] [stderr]   Downloaded rocksdb v0.19.0
[INFO] [stderr]   Downloaded librocksdb-sys v0.8.3+7.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f4e56c949e92512c20247ac9a8fcffa3ed874bd6c0b9548414b30db73de917f8
[INFO] running `Command { std: "docker" "start" "-a" "f4e56c949e92512c20247ac9a8fcffa3ed874bd6c0b9548414b30db73de917f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e56c949e92512c20247ac9a8fcffa3ed874bd6c0b9548414b30db73de917f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e56c949e92512c20247ac9a8fcffa3ed874bd6c0b9548414b30db73de917f8", kill_on_drop: false }`
[INFO] [stdout] f4e56c949e92512c20247ac9a8fcffa3ed874bd6c0b9548414b30db73de917f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3ec6047c703c42fc584fb99e8e0d981eadc6f0c0e077cd9d0d38099427ee7df3
[INFO] running `Command { std: "docker" "start" "-a" "3ec6047c703c42fc584fb99e8e0d981eadc6f0c0e077cd9d0d38099427ee7df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling nosql_db v0.0.2
[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/nosql_db-0.0.2/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(associated_type_defaults)]
[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 `nosql_db` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ec6047c703c42fc584fb99e8e0d981eadc6f0c0e077cd9d0d38099427ee7df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec6047c703c42fc584fb99e8e0d981eadc6f0c0e077cd9d0d38099427ee7df3", kill_on_drop: false }`
[INFO] [stdout] 3ec6047c703c42fc584fb99e8e0d981eadc6f0c0e077cd9d0d38099427ee7df3
