[INFO] fetching crate pmc-rs 0.2.2...
[INFO] testing pmc-rs-0.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pmc-rs 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pmc-rs 0.2.2
[INFO] finished tweaking crates.io crate pmc-rs 0.2.2
[INFO] tweaked toml for crates.io crate pmc-rs 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pmc-rs 0.2.2 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 pmc-rs 0.2.2 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" "+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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c903c03a3043b9e6a2e9bb5941d24e762ba48b6153cc88ef33ed41216f511354
[INFO] running `Command { std: "docker" "start" "-a" "c903c03a3043b9e6a2e9bb5941d24e762ba48b6153cc88ef33ed41216f511354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c903c03a3043b9e6a2e9bb5941d24e762ba48b6153cc88ef33ed41216f511354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c903c03a3043b9e6a2e9bb5941d24e762ba48b6153cc88ef33ed41216f511354", kill_on_drop: false }`
[INFO] [stdout] c903c03a3043b9e6a2e9bb5941d24e762ba48b6153cc88ef33ed41216f511354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8f23b581d533e8634331c1dcafbdf8234c6e30ef7b0c2c21b3e0d7af0d2d1ac8
[INFO] running `Command { std: "docker" "start" "-a" "8f23b581d533e8634331c1dcafbdf8234c6e30ef7b0c2c21b3e0d7af0d2d1ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pmc-rs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0531]: cannot find unit struct, unit variant or constant `EPROGMISMATCH` in crate `libc`
[INFO] [stdout]    --> src/counter.rs:355:28
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 Some(libc::EPROGMISMATCH) => Err(new_os_error(ErrorKind::VersionMismatch)),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0531`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pmc-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f23b581d533e8634331c1dcafbdf8234c6e30ef7b0c2c21b3e0d7af0d2d1ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f23b581d533e8634331c1dcafbdf8234c6e30ef7b0c2c21b3e0d7af0d2d1ac8", kill_on_drop: false }`
[INFO] [stdout] 8f23b581d533e8634331c1dcafbdf8234c6e30ef7b0c2c21b3e0d7af0d2d1ac8
