[INFO] fetching crate ap-startup 0.2.4...
[INFO] checking ap-startup-0.2.4 against 1.95.0 for pr-155915
[INFO] extracting crate ap-startup 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ap-startup 0.2.4
[INFO] finished tweaking crates.io crate ap-startup 0.2.4
[INFO] tweaked toml for crates.io crate ap-startup 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ap-startup 0.2.4 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 ap-startup 0.2.4 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 x2apic v0.5.0
[INFO] [stderr]   Downloaded bit v0.1.1
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded pci_types v0.10.1
[INFO] [stderr]   Downloaded spinning_top v0.3.0
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded acpi v6.1.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed494e737a300eafde4b41338b7ee45debbbc8a4b8fc228a8a82bef0ca7ffea
[INFO] running `Command { std: "docker" "start" "-a" "aed494e737a300eafde4b41338b7ee45debbbc8a4b8fc228a8a82bef0ca7ffea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed494e737a300eafde4b41338b7ee45debbbc8a4b8fc228a8a82bef0ca7ffea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed494e737a300eafde4b41338b7ee45debbbc8a4b8fc228a8a82bef0ca7ffea", kill_on_drop: false }`
[INFO] [stdout] aed494e737a300eafde4b41338b7ee45debbbc8a4b8fc228a8a82bef0ca7ffea
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acd9812476972bf5efee070cb8eec9496b0297dff6ea270df86543b6d9f1ed89
[INFO] running `Command { std: "docker" "start" "-a" "acd9812476972bf5efee070cb8eec9496b0297dff6ea270df86543b6d9f1ed89", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking bit v0.1.1
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking pci_types v0.10.1
[INFO] [stderr]     Checking spinning_top v0.3.0
[INFO] [stderr]     Checking acpi v6.1.1
[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/acpi-6.1.1/src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![feature(allocator_api)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking x86_64 v0.15.4
[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/x86_64-0.15.4/src/lib.rs:5:44
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "abi_x86_interrupt", feature(abi_x86_interrupt))]
[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 `acpi` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `x86_64` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "acd9812476972bf5efee070cb8eec9496b0297dff6ea270df86543b6d9f1ed89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd9812476972bf5efee070cb8eec9496b0297dff6ea270df86543b6d9f1ed89", kill_on_drop: false }`
[INFO] [stdout] acd9812476972bf5efee070cb8eec9496b0297dff6ea270df86543b6d9f1ed89