[INFO] fetching crate hkalbasi-rustc-ap-rustc_index 0.0.20230517...
[INFO] testing hkalbasi-rustc-ap-rustc_index-0.0.20230517 against 1.76.0 for beta-1.77-1
[INFO] extracting crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 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 hkalbasi-rustc-ap-rustc_index 0.0.20230517
[INFO] finished tweaking crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517
[INFO] tweaked toml for crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 written to /workspace/builds/worker-6-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 hkalbasi-rustc-ap-rustc_serialize v0.0.20230517
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_macros v0.0.20230517
[INFO] [stderr]   Downloaded synstructure v0.13.1
[INFO] [stderr]   Downloaded thin-vec v0.2.13
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e087f72017d05e3896986f7f5bd78c727ab7f79300c3d805817ce61c6e21a41
[INFO] running `Command { std: "docker" "start" "-a" "5e087f72017d05e3896986f7f5bd78c727ab7f79300c3d805817ce61c6e21a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e087f72017d05e3896986f7f5bd78c727ab7f79300c3d805817ce61c6e21a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e087f72017d05e3896986f7f5bd78c727ab7f79300c3d805817ce61c6e21a41", kill_on_drop: false }`
[INFO] [stdout] 5e087f72017d05e3896986f7f5bd78c727ab7f79300c3d805817ce61c6e21a41
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2a15c5621e3172bc05f8cd6ae6b0c57c2838a267b5f93279dbfbb352fe96aff
[INFO] running `Command { std: "docker" "start" "-a" "b2a15c5621e3172bc05f8cd6ae6b0c57c2838a267b5f93279dbfbb352fe96aff", kill_on_drop: false }`
[INFO] [stderr]    Compiling thin-vec v0.2.13
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling syn v2.0.48
[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/smallvec-1.13.1/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b2a15c5621e3172bc05f8cd6ae6b0c57c2838a267b5f93279dbfbb352fe96aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a15c5621e3172bc05f8cd6ae6b0c57c2838a267b5f93279dbfbb352fe96aff", kill_on_drop: false }`
[INFO] [stdout] b2a15c5621e3172bc05f8cd6ae6b0c57c2838a267b5f93279dbfbb352fe96aff
[INFO] testing hkalbasi-rustc-ap-rustc_index-0.0.20230517 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517
[INFO] finished tweaking crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517
[INFO] tweaked toml for crates.io crate hkalbasi-rustc-ap-rustc_index 0.0.20230517 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7142a0354bba88722589735af80e4c9a3b35b697ad863020cb88a62aa0ab116
[INFO] running `Command { std: "docker" "start" "-a" "c7142a0354bba88722589735af80e4c9a3b35b697ad863020cb88a62aa0ab116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7142a0354bba88722589735af80e4c9a3b35b697ad863020cb88a62aa0ab116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7142a0354bba88722589735af80e4c9a3b35b697ad863020cb88a62aa0ab116", kill_on_drop: false }`
[INFO] [stdout] c7142a0354bba88722589735af80e4c9a3b35b697ad863020cb88a62aa0ab116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729039c15affb2ce60a61018b4b46a4b77fea215a105a549f26c38f7e655dae9
[INFO] running `Command { std: "docker" "start" "-a" "729039c15affb2ce60a61018b4b46a4b77fea215a105a549f26c38f7e655dae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling thin-vec v0.2.13
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-1.13.1/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "729039c15affb2ce60a61018b4b46a4b77fea215a105a549f26c38f7e655dae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729039c15affb2ce60a61018b4b46a4b77fea215a105a549f26c38f7e655dae9", kill_on_drop: false }`
[INFO] [stdout] 729039c15affb2ce60a61018b4b46a4b77fea215a105a549f26c38f7e655dae9
