[INFO] fetching crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221...
[INFO] testing hkalbasi-rustc-ap-rustc_serialize-0.0.20221221 against 1.69.0 for beta-1.70-1
[INFO] extracting crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221
[INFO] finished tweaking crates.io crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221
[INFO] tweaked toml for crates.io crate hkalbasi-rustc-ap-rustc_serialize 0.0.20221221 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thin-vec v0.2.12
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc7bd7e0a95f6c1432218d9ba4e45a52a0bfc69d0d5c86b23766c4a27a3d7d6e
[INFO] running `Command { std: "docker" "start" "-a" "fc7bd7e0a95f6c1432218d9ba4e45a52a0bfc69d0d5c86b23766c4a27a3d7d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc7bd7e0a95f6c1432218d9ba4e45a52a0bfc69d0d5c86b23766c4a27a3d7d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7bd7e0a95f6c1432218d9ba4e45a52a0bfc69d0d5c86b23766c4a27a3d7d6e", kill_on_drop: false }`
[INFO] [stdout] fc7bd7e0a95f6c1432218d9ba4e45a52a0bfc69d0d5c86b23766c4a27a3d7d6e
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d2f358cb286617db9a60d3246d548803e915e4c663db41430d35a11ce7fb65
[INFO] running `Command { std: "docker" "start" "-a" "39d2f358cb286617db9a60d3246d548803e915e4c663db41430d35a11ce7fb65", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thin-vec v0.2.12
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/smallvec-1.10.0/src/lib.rs:83:37
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `smallvec` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "39d2f358cb286617db9a60d3246d548803e915e4c663db41430d35a11ce7fb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d2f358cb286617db9a60d3246d548803e915e4c663db41430d35a11ce7fb65", kill_on_drop: false }`
[INFO] [stdout] 39d2f358cb286617db9a60d3246d548803e915e4c663db41430d35a11ce7fb65
