[INFO] fetching crate specter-mem 1.0.5...
[INFO] testing specter-mem-1.0.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate specter-mem 1.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate specter-mem 1.0.5
[INFO] finished tweaking crates.io crate specter-mem 1.0.5
[INFO] tweaked toml for crates.io crate specter-mem 1.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate specter-mem 1.0.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate specter-mem 1.0.5 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4472e9d6d9e0114ba223fea1d405e90fbea170e814a1d59bf6419fcbb79f95ef
[INFO] running `Command { std: "docker" "start" "-a" "4472e9d6d9e0114ba223fea1d405e90fbea170e814a1d59bf6419fcbb79f95ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4472e9d6d9e0114ba223fea1d405e90fbea170e814a1d59bf6419fcbb79f95ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4472e9d6d9e0114ba223fea1d405e90fbea170e814a1d59bf6419fcbb79f95ef", kill_on_drop: false }`
[INFO] [stdout] 4472e9d6d9e0114ba223fea1d405e90fbea170e814a1d59bf6419fcbb79f95ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4cd9aedde98e442e139f9647c1ac57f292ffd1847ed4119c285193c8e70d3ca
[INFO] running `Command { std: "docker" "start" "-a" "d4cd9aedde98e442e139f9647c1ac57f292ffd1847ed4119c285193c8e70d3ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling jit-assembler v0.3.0
[INFO] [stderr]    Compiling mach2 v0.6.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stdout] error: mach requires macOS, iOS, tvOS, watchOS or visionOS
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mach2-0.6.0/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | compile_error!("mach requires macOS, iOS, tvOS, watchOS or visionOS");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mach2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4cd9aedde98e442e139f9647c1ac57f292ffd1847ed4119c285193c8e70d3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cd9aedde98e442e139f9647c1ac57f292ffd1847ed4119c285193c8e70d3ca", kill_on_drop: false }`
[INFO] [stdout] d4cd9aedde98e442e139f9647c1ac57f292ffd1847ed4119c285193c8e70d3ca
