[INFO] fetching crate ipset 0.3.0...
[INFO] testing ipset-0.3.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate ipset 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ipset 0.3.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ipset 0.3.0
[INFO] finished tweaking crates.io crate ipset 0.3.0
[INFO] tweaked toml for crates.io crate ipset 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate ipset 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8266d4bfc7e0911ba4e91ae099ae1f893b27e59d433040da4a7a4f9471a7f350
[INFO] running `Command { std: "docker" "start" "-a" "8266d4bfc7e0911ba4e91ae099ae1f893b27e59d433040da4a7a4f9471a7f350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8266d4bfc7e0911ba4e91ae099ae1f893b27e59d433040da4a7a4f9471a7f350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8266d4bfc7e0911ba4e91ae099ae1f893b27e59d433040da4a7a4f9471a7f350", kill_on_drop: false }`
[INFO] [stdout] 8266d4bfc7e0911ba4e91ae099ae1f893b27e59d433040da4a7a4f9471a7f350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25ec264683116345a8fddce5d60fdc9d7b26ce2296f4f9fdd7e5ab20045ff04
[INFO] running `Command { std: "docker" "start" "-a" "e25ec264683116345a8fddce5d60fdc9d7b26ce2296f4f9fdd7e5ab20045ff04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling ipset v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | #![feature(c_variadic)]
[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:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | #![feature(concat_idents)]
[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:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | #![feature(concat_idents)]
[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 `ipset` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e25ec264683116345a8fddce5d60fdc9d7b26ce2296f4f9fdd7e5ab20045ff04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25ec264683116345a8fddce5d60fdc9d7b26ce2296f4f9fdd7e5ab20045ff04", kill_on_drop: false }`
[INFO] [stdout] e25ec264683116345a8fddce5d60fdc9d7b26ce2296f4f9fdd7e5ab20045ff04
