[INFO] cloning repository https://github.com/ierwarf/rustos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ierwarf/rustos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierwarf%2Frustos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierwarf%2Frustos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6f36b201461388f309b96cfe34b0f69bf40d10e
[INFO] checking ierwarf/rustos against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fierwarf%2Frustos" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ierwarf/rustos
[INFO] finished tweaking git repo https://github.com/ierwarf/rustos
[INFO] tweaked toml for git repo https://github.com/ierwarf/rustos written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ierwarf/rustos 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 git repo https://github.com/ierwarf/rustos 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]     Updating git repository `https://github.com/rafalh/rust-fatfs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded rand_chacha v0.10.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.1
[INFO] [stderr]   Downloaded os_observatory v0.1.1
[INFO] [stderr]   Downloaded xmas-elf v0.9.1
[INFO] [stderr]   Downloaded accessor v0.3.3
[INFO] [stderr]   Downloaded zero v0.1.3
[INFO] [stderr]   Downloaded pc-keyboard v0.8.0
[INFO] [stderr]   Downloaded hidreport v0.6.0
[INFO] [stderr]   Downloaded xhci v0.9.2
[INFO] [stderr]   Downloaded tock-registers v0.10.1
[INFO] [stderr]   Downloaded elf v0.8.0
[INFO] [stderr]   Downloaded virtio-drivers v0.13.0
[INFO] [stderr]   Downloaded heapless v0.9.3
[INFO] [stderr]   Downloaded x86_64 v0.15.4
[INFO] [stderr]   Downloaded wayland-server v0.31.13
[INFO] [stderr]   Downloaded fs-err v3.3.0
[INFO] [stderr]   Downloaded safe-mmio v0.3.0
[INFO] [stderr]   Downloaded buddy_system_allocator v0.12.0
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded const_fn v0.4.12
[INFO] [stderr]   Downloaded smoltcp v0.13.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 182b1350987aad940d3406e6500497c21004b061983764af151eddb2bc82b925
[INFO] running `Command { std: "docker" "start" "-a" "182b1350987aad940d3406e6500497c21004b061983764af151eddb2bc82b925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182b1350987aad940d3406e6500497c21004b061983764af151eddb2bc82b925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182b1350987aad940d3406e6500497c21004b061983764af151eddb2bc82b925", kill_on_drop: false }`
[INFO] [stdout] 182b1350987aad940d3406e6500497c21004b061983764af151eddb2bc82b925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a03b6bcc90b083f0211e7a7b3830119849e4d25af5cecb9b5f26ceab409d3647
[INFO] running `Command { std: "docker" "start" "-a" "a03b6bcc90b083f0211e7a7b3830119849e4d25af5cecb9b5f26ceab409d3647", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling nucleus-core v0.1.0 (/opt/rustwide/workdir/kernel/nucleus-core)
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]     Checking os_observatory v0.1.1
[INFO] [stderr]     Checking boot-protocol v0.1.0 (/opt/rustwide/workdir/boot/boot-protocol)
[INFO] [stderr]     Checking rustos-observability v0.1.0 (/opt/rustwide/workdir/libs/rustos-observability)
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling object v0.38.1
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]    Compiling kernel-mm v0.1.0 (/opt/rustwide/workdir/kernel/mm)
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling kernel-hal v0.1.0 (/opt/rustwide/workdir/kernel/hal)
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling heapless v0.9.3
[INFO] [stderr]    Compiling observability-client v0.1.0 (/opt/rustwide/workdir/libs/observability-client)
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling wayland-sys v0.31.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling kernel-ps v0.1.0 (/opt/rustwide/workdir/kernel/ps)
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]    Compiling smoltcp v0.13.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling hidreport v0.6.0
[INFO] [stderr]     Checking buddy_system_allocator v0.12.0
[INFO] [stderr]     Checking x86_64 v0.15.4
[INFO] [stderr]     Checking driver-abi v0.1.0 (/opt/rustwide/workdir/drivers/libs/driver-abi)
[INFO] [stderr]     Checking fatfs v0.4.0 (https://github.com/rafalh/rust-fatfs#c4b88477)
[INFO] [stderr]    Compiling kernel-io-manager v0.1.0 (/opt/rustwide/workdir/kernel/io-manager)
[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] [stderr]     Checking pc-keyboard v0.8.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rustos-user-abi v0.1.0 (/opt/rustwide/workdir/libs/rustos-user-abi)
[INFO] [stderr]     Checking keyboard-core v0.1.0 (/opt/rustwide/workdir/drivers/libs/keyboard-core)
[INFO] [stderr]    Compiling kernel-compat v0.1.0 (/opt/rustwide/workdir/kernel/compat)
[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] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking vte v0.15.0
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.1
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking storage-core v0.1.0 (/opt/rustwide/workdir/libs/storage-core)
[INFO] [stderr]     Checking accessor v0.3.3
[INFO] [stderr]     Checking storage-fat v0.1.0 (/opt/rustwide/workdir/libs/storage-fat)
[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] [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" "a03b6bcc90b083f0211e7a7b3830119849e4d25af5cecb9b5f26ceab409d3647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03b6bcc90b083f0211e7a7b3830119849e4d25af5cecb9b5f26ceab409d3647", kill_on_drop: false }`
[INFO] [stdout] a03b6bcc90b083f0211e7a7b3830119849e4d25af5cecb9b5f26ceab409d3647