[INFO] fetching crate fast-rustc-ap-rustc_session 1.0.0... [INFO] testing fast-rustc-ap-rustc_session-1.0.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate fast-rustc-ap-rustc_session 1.0.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate fast-rustc-ap-rustc_session 1.0.0 [INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_session 1.0.0 [INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_session 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_session 1.0.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 74 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b7f4f439a068119461aab7e92aa832cd00ccebf2f2bb9af23032b2a56219bdc [INFO] running `Command { std: "docker" "start" "-a" "6b7f4f439a068119461aab7e92aa832cd00ccebf2f2bb9af23032b2a56219bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b7f4f439a068119461aab7e92aa832cd00ccebf2f2bb9af23032b2a56219bdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b7f4f439a068119461aab7e92aa832cd00ccebf2f2bb9af23032b2a56219bdc", kill_on_drop: false }` [INFO] [stdout] 6b7f4f439a068119461aab7e92aa832cd00ccebf2f2bb9af23032b2a56219bdc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb6ef0fef87a23be264d36d3a971f115424589c6e74c764b11fa2e0571e2d1cc [INFO] running `Command { std: "docker" "start" "-a" "cb6ef0fef87a23be264d36d3a971f115424589c6e74c764b11fa2e0571e2d1cc", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rustc-rayon-core v0.3.2 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling fast-rustc-ap-graphviz v1.0.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lock_api-0.3.4/src/lib.rs:91:42 [INFO] [stdout] | [INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped-tls v1.0.1 [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-1949cf8c6b5b557f/fast-rustc-ap-graphviz-1.0.0/lib.rs:278:1 [INFO] [stdout] | [INFO] [stdout] 278 | #![feature(rustc_private, nll)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `nll` has been stable since `1.63.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [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-1949cf8c6b5b557f/smallvec-1.15.1/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[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-utils-0.6.6/src/lib.rs:32:34 [INFO] [stdout] | [INFO] [stdout] 32 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fast-rustc-ap-rustc_target v1.0.0 [INFO] [stderr] Compiling fast-rustc-ap-rustc_ast v1.0.0 [INFO] [stderr] Compiling fast-rustc-ap-rustc_lexer v1.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lock_api` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 1 previous error [INFO] [stderr] error: could not compile `fast-rustc-ap-graphviz` (lib) due to 1 previous error [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `smallvec` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "cb6ef0fef87a23be264d36d3a971f115424589c6e74c764b11fa2e0571e2d1cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb6ef0fef87a23be264d36d3a971f115424589c6e74c764b11fa2e0571e2d1cc", kill_on_drop: false }` [INFO] [stdout] cb6ef0fef87a23be264d36d3a971f115424589c6e74c764b11fa2e0571e2d1cc