[INFO] fetching crate hkalbasi-rustc-ap-rustc_abi 0.0.20230517...
[INFO] documenting hkalbasi-rustc-ap-rustc_abi-0.0.20230517 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate hkalbasi-rustc-ap-rustc_abi 0.0.20230517 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate hkalbasi-rustc-ap-rustc_abi 0.0.20230517 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 hkalbasi-rustc-ap-rustc_abi 0.0.20230517
[INFO] finished tweaking crates.io crate hkalbasi-rustc-ap-rustc_abi 0.0.20230517
[INFO] tweaked toml for crates.io crate hkalbasi-rustc-ap-rustc_abi 0.0.20230517 written to /workspace/builds/worker-5-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 elsa v1.7.1
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded synstructure v0.13.0
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_serialize v0.0.20230517
[INFO] [stderr]   Downloaded measureme v10.1.2
[INFO] [stderr]   Downloaded perf-event-open-sys v3.0.0
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_arena v0.0.20230517
[INFO] [stderr]   Downloaded thin-vec v0.2.13
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_data_structures v0.0.20230517
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_graphviz v0.0.20230517
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_macros v0.0.20230517
[INFO] [stderr]   Downloaded hkalbasi-rustc-ap-rustc_index v0.0.20230517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3cef1f1211ca809cfcf8d5315fc6b9b25ec118d93551925e4c4e5b5a0c754e6a
[INFO] running `Command { std: "docker" "start" "-a" "3cef1f1211ca809cfcf8d5315fc6b9b25ec118d93551925e4c4e5b5a0c754e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cef1f1211ca809cfcf8d5315fc6b9b25ec118d93551925e4c4e5b5a0c754e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cef1f1211ca809cfcf8d5315fc6b9b25ec118d93551925e4c4e5b5a0c754e6a", kill_on_drop: false }`
[INFO] [stdout] 3cef1f1211ca809cfcf8d5315fc6b9b25ec118d93551925e4c4e5b5a0c754e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e35fdfd91d7c41d3c5e9df82f005e66a268118bb8a810ecc914432d519fcd2b
[INFO] running `Command { std: "docker" "start" "-a" "6e35fdfd91d7c41d3c5e9df82f005e66a268118bb8a810ecc914432d519fcd2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[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-1.11.2/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] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6e35fdfd91d7c41d3c5e9df82f005e66a268118bb8a810ecc914432d519fcd2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e35fdfd91d7c41d3c5e9df82f005e66a268118bb8a810ecc914432d519fcd2b", kill_on_drop: false }`
[INFO] [stdout] 6e35fdfd91d7c41d3c5e9df82f005e66a268118bb8a810ecc914432d519fcd2b
