[INFO] fetching crate thunder 0.3.1... [INFO] testing thunder-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate thunder 0.3.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate thunder 0.3.1 [INFO] finished tweaking crates.io crate thunder 0.3.1 [INFO] tweaked toml for crates.io crate thunder 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate thunder 0.3.1 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 17 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [INFO] [stderr] Adding quote v0.4.2 (available: v1.0.41) [INFO] [stderr] Adding syn v0.12.15 (available: v2.0.106) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] fa619b271da81de9529d290143a7cf3bfaa955fbc1efbf92effaa1f86af41b9e [INFO] running `Command { std: "docker" "start" "-a" "fa619b271da81de9529d290143a7cf3bfaa955fbc1efbf92effaa1f86af41b9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa619b271da81de9529d290143a7cf3bfaa955fbc1efbf92effaa1f86af41b9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa619b271da81de9529d290143a7cf3bfaa955fbc1efbf92effaa1f86af41b9e", kill_on_drop: false }` [INFO] [stdout] fa619b271da81de9529d290143a7cf3bfaa955fbc1efbf92effaa1f86af41b9e [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] cd56bf668b4c290519953395692886a78a1fcf5a2f01c96bfe021918e3c3fceb [INFO] running `Command { std: "docker" "start" "-a" "cd56bf668b4c290519953395692886a78a1fcf5a2f01c96bfe021918e3c3fceb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling thunder v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(external_doc)] [INFO] [stdout] | ^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: use #[doc = include_str!("filename")] instead, which handles macro invocations [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(external_doc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(proc_macro, proc_macro_lib)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `proc_macro` has been stable since `1.29.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown `doc` attribute `include` [INFO] [stdout] --> src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | #![doc(include = "../README.md")] [INFO] [stdout] | -------^^^^^^^^^^^^^^^^^^^^^^^^-- help: use `doc = include_str!` instead: `#![doc = include_str!("../README.md")]` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(proc_macro, proc_macro_lib)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(proc_macro, proc_macro_lib)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `thunder` (lib) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cd56bf668b4c290519953395692886a78a1fcf5a2f01c96bfe021918e3c3fceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd56bf668b4c290519953395692886a78a1fcf5a2f01c96bfe021918e3c3fceb", kill_on_drop: false }` [INFO] [stdout] cd56bf668b4c290519953395692886a78a1fcf5a2f01c96bfe021918e3c3fceb