[INFO] fetching crate generic-json 0.7.0...
[INFO] testing generic-json-0.7.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate generic-json 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate generic-json 0.7.0
[INFO] finished tweaking crates.io crate generic-json 0.7.0
[INFO] tweaked toml for crates.io crate generic-json 0.7.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generic-json 0.7.0 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 36 packages to latest compatible versions
[INFO] [stderr]       Adding cc-traits v0.7.3 (available: v2.0.0)
[INFO] [stderr]       Adding smallstr v0.2.0 (available: v0.3.1)
[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] 2161bf1e920afa6985a6f3ac58a934bfc107bbd0c4683c10fb018800cf631b8c
[INFO] running `Command { std: "docker" "start" "-a" "2161bf1e920afa6985a6f3ac58a934bfc107bbd0c4683c10fb018800cf631b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2161bf1e920afa6985a6f3ac58a934bfc107bbd0c4683c10fb018800cf631b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2161bf1e920afa6985a6f3ac58a934bfc107bbd0c4683c10fb018800cf631b8c", kill_on_drop: false }`
[INFO] [stdout] 2161bf1e920afa6985a6f3ac58a934bfc107bbd0c4683c10fb018800cf631b8c
[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] 53b269062b951b82f6426effd9f992c62b948850eecc579a9939744dec9dac2a
[INFO] running `Command { std: "docker" "start" "-a" "53b269062b951b82f6426effd9f992c62b948850eecc579a9939744dec9dac2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc-traits v0.7.3
[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/cc-traits-0.7.3/src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | #![feature(generic_associated_types)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cc-traits` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "53b269062b951b82f6426effd9f992c62b948850eecc579a9939744dec9dac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b269062b951b82f6426effd9f992c62b948850eecc579a9939744dec9dac2a", kill_on_drop: false }`
[INFO] [stdout] 53b269062b951b82f6426effd9f992c62b948850eecc579a9939744dec9dac2a
