[INFO] fetching crate inexor-rgf-core-frp 0.9.1...
[INFO] testing inexor-rgf-core-frp-0.9.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate inexor-rgf-core-frp 0.9.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate inexor-rgf-core-frp 0.9.1 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 inexor-rgf-core-frp 0.9.1
[INFO] finished tweaking crates.io crate inexor-rgf-core-frp 0.9.1
[INFO] tweaked toml for crates.io crate inexor-rgf-core-frp 0.9.1 written to /workspace/builds/worker-4-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f6292f53e9058534510acb7ac39e79f256f3ea6562d5c237f18398b00aae8bc0
[INFO] running `Command { std: "docker" "start" "-a" "f6292f53e9058534510acb7ac39e79f256f3ea6562d5c237f18398b00aae8bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6292f53e9058534510acb7ac39e79f256f3ea6562d5c237f18398b00aae8bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6292f53e9058534510acb7ac39e79f256f3ea6562d5c237f18398b00aae8bc0", kill_on_drop: false }`
[INFO] [stdout] f6292f53e9058534510acb7ac39e79f256f3ea6562d5c237f18398b00aae8bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba71712dd384fe3ba20ee67cab2467a528c5b2257cbe4a3b4ea4254b96f415a8
[INFO] running `Command { std: "docker" "start" "-a" "ba71712dd384fe3ba20ee67cab2467a528c5b2257cbe4a3b4ea4254b96f415a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling thread-id v4.2.1
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling uuid v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling log4rs v1.2.0
[INFO] [stderr]    Compiling inexor-rgf-core-frp v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unsized_tuple_coercion)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(register_tool)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inexor-rgf-core-frp` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba71712dd384fe3ba20ee67cab2467a528c5b2257cbe4a3b4ea4254b96f415a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba71712dd384fe3ba20ee67cab2467a528c5b2257cbe4a3b4ea4254b96f415a8", kill_on_drop: false }`
[INFO] [stdout] ba71712dd384fe3ba20ee67cab2467a528c5b2257cbe4a3b4ea4254b96f415a8
