[INFO] fetching crate ez_pci 1.2.0...
[INFO] checking ez_pci-1.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate ez_pci 1.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ez_pci 1.2.0
[INFO] finished tweaking crates.io crate ez_pci 1.2.0
[INFO] tweaked toml for crates.io crate ez_pci 1.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ez_pci 1.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ez_pci 1.2.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum_derive v0.7.4
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded volatile-macro v0.6.0
[INFO] [stderr]   Downloaded num_enum v0.7.4
[INFO] [stderr]   Downloaded volatile v0.6.1
[INFO] [stderr]   Downloaded bitfield-macros v0.19.1
[INFO] [stderr]   Downloaded bitfield v0.19.1
[INFO] [stderr]   Downloaded acpi v5.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
[INFO] [stderr]   Downloaded x86_64 v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb62d97b64fb41580634b38690a3fcef51f981ae4655bc73ec207580213bb3a
[INFO] running `Command { std: "docker" "start" "-a" "5eb62d97b64fb41580634b38690a3fcef51f981ae4655bc73ec207580213bb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb62d97b64fb41580634b38690a3fcef51f981ae4655bc73ec207580213bb3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb62d97b64fb41580634b38690a3fcef51f981ae4655bc73ec207580213bb3a", kill_on_drop: false }`
[INFO] [stdout] 5eb62d97b64fb41580634b38690a3fcef51f981ae4655bc73ec207580213bb3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09652e09b3fced9ed8ef6c14a795935da40a910e02ab8df8490549a39d71f34
[INFO] running `Command { std: "docker" "start" "-a" "d09652e09b3fced9ed8ef6c14a795935da40a910e02ab8df8490549a39d71f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking acpi v5.2.0
[INFO] [stderr]     Checking x86_64 v0.15.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bitfield-macros v0.19.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling volatile-macro v0.6.0
[INFO] [stderr]     Checking volatile v0.6.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/volatile-0.6.1/src/lib.rs:35:35
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `volatile` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d09652e09b3fced9ed8ef6c14a795935da40a910e02ab8df8490549a39d71f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09652e09b3fced9ed8ef6c14a795935da40a910e02ab8df8490549a39d71f34", kill_on_drop: false }`
[INFO] [stdout] d09652e09b3fced9ed8ef6c14a795935da40a910e02ab8df8490549a39d71f34
