[INFO] fetching crate rust-macios 0.4.2...
[INFO] checking rust-macios-0.4.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate rust-macios 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rust-macios 0.4.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-macios 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust-macios 0.4.2
[INFO] tweaked toml for crates.io crate rust-macios 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust-macios 0.4.2 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-macios-objective-c-runtime-proc-macros v0.2.4
[INFO] [stderr]   Downloaded va_list v0.1.4
[INFO] [stderr]   Downloaded rust-macios-app-kit-proc-macros v0.2.3
[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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4df64f70240e7f9b65103382981c5fe2c3af7838eecc1793a738b360eff3dbba
[INFO] running `Command { std: "docker" "start" "-a" "4df64f70240e7f9b65103382981c5fe2c3af7838eecc1793a738b360eff3dbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df64f70240e7f9b65103382981c5fe2c3af7838eecc1793a738b360eff3dbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df64f70240e7f9b65103382981c5fe2c3af7838eecc1793a738b360eff3dbba", kill_on_drop: false }`
[INFO] [stdout] 4df64f70240e7f9b65103382981c5fe2c3af7838eecc1793a738b360eff3dbba
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a4745853f9c6e878e2239c0d24d41b5145a740c131cebb7d718d9c345b7198
[INFO] running `Command { std: "docker" "start" "-a" "b4a4745853f9c6e878e2239c0d24d41b5145a740c131cebb7d718d9c345b7198", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rust-macios v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking va_list v0.1.4
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4a4745853f9c6e878e2239c0d24d41b5145a740c131cebb7d718d9c345b7198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a4745853f9c6e878e2239c0d24d41b5145a740c131cebb7d718d9c345b7198", kill_on_drop: false }`
[INFO] [stdout] b4a4745853f9c6e878e2239c0d24d41b5145a740c131cebb7d718d9c345b7198
[INFO] checking rust-macios-0.4.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate rust-macios 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rust-macios 0.4.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-macios 0.4.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust-macios 0.4.2
[INFO] tweaked toml for crates.io crate rust-macios 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust-macios 0.4.2 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7bd9c29ca774a429bb1da076607b9d0db46bbaa2ef45462d7fdf1d9fefbe962
[INFO] running `Command { std: "docker" "start" "-a" "d7bd9c29ca774a429bb1da076607b9d0db46bbaa2ef45462d7fdf1d9fefbe962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7bd9c29ca774a429bb1da076607b9d0db46bbaa2ef45462d7fdf1d9fefbe962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bd9c29ca774a429bb1da076607b9d0db46bbaa2ef45462d7fdf1d9fefbe962", kill_on_drop: false }`
[INFO] [stdout] d7bd9c29ca774a429bb1da076607b9d0db46bbaa2ef45462d7fdf1d9fefbe962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] dbff3a371c6db4139d7107c216e72d705fd4b8cee4b061c3502d0268a5049237
[INFO] running `Command { std: "docker" "start" "-a" "dbff3a371c6db4139d7107c216e72d705fd4b8cee4b061c3502d0268a5049237", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling rust-macios v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking va_list v0.1.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dbff3a371c6db4139d7107c216e72d705fd4b8cee4b061c3502d0268a5049237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbff3a371c6db4139d7107c216e72d705fd4b8cee4b061c3502d0268a5049237", kill_on_drop: false }`
[INFO] [stdout] dbff3a371c6db4139d7107c216e72d705fd4b8cee4b061c3502d0268a5049237
