[INFO] cloning repository https://github.com/wass88/rust_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wass88/rust_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a30bd0a9ce7aad079f9d99f756811d3425dc0c5b [INFO] documenting wass88/rust_os against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwass88%2Frust_os" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wass88/rust_os on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/wass88/rust_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/wass88/rust_os [INFO] tweaked toml for git repo https://github.com/wass88/rust_os written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/wass88/rust_os already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linked_list_allocator v0.9.1 [INFO] [stderr] Downloaded conquer-util v0.2.0 [INFO] [stderr] Downloaded uart_16550 v0.2.17 [INFO] [stderr] Downloaded x86_64 v0.14.9 [INFO] [stderr] Downloaded conquer-once v0.2.1 [INFO] [stderr] Downloaded pc-keyboard v0.5.1 [INFO] [stderr] Downloaded pic8259 v0.10.2 [INFO] [stderr] Downloaded volatile v0.4.4 [INFO] [stderr] Downloaded bootloader v0.9.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2017031a189ada6c92932af0d2755992567874bbfc882db90924d4fc5e18c9d [INFO] running `Command { std: "docker" "start" "-a" "c2017031a189ada6c92932af0d2755992567874bbfc882db90924d4fc5e18c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2017031a189ada6c92932af0d2755992567874bbfc882db90924d4fc5e18c9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2017031a189ada6c92932af0d2755992567874bbfc882db90924d4fc5e18c9d", kill_on_drop: false }` [INFO] [stdout] c2017031a189ada6c92932af0d2755992567874bbfc882db90924d4fc5e18c9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43a7d43a46a92a3696589e20f4c8220b415e05e0e059a13c64636cc7277ff193 [INFO] running `Command { std: "docker" "start" "-a" "43a7d43a46a92a3696589e20f4c8220b415e05e0e059a13c64636cc7277ff193", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking volatile v0.4.4 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bootloader v0.9.22 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking conquer-util v0.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking volatile v0.2.7 [INFO] [stderr] Checking conquer-once v0.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking x86_64 v0.14.9 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking linked_list_allocator v0.9.1 [INFO] [stderr] error: could not compile `linked_list_allocator` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `x86_64` due to 6 previous errors [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | #![cfg_attr(feature = "const_fn", feature(const_mut_refs))] // GDT add_entry() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:6:44 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(feature = "abi_x86_interrupt", feature(abi_x86_interrupt))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:7:37 [INFO] [stdout] | [INFO] [stdout] 7 | #![cfg_attr(feature = "step_trait", feature(step_trait))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:8:34 [INFO] [stdout] | [INFO] [stdout] 8 | #![cfg_attr(feature = "doc_cfg", feature(doc_cfg))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked_list_allocator-0.9.1/src/lib.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "const_mut_refs", feature(const_mut_refs))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.14.9/src/lib.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | #![cfg_attr(feature = "step_trait", feature(step_trait))] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "43a7d43a46a92a3696589e20f4c8220b415e05e0e059a13c64636cc7277ff193", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43a7d43a46a92a3696589e20f4c8220b415e05e0e059a13c64636cc7277ff193", kill_on_drop: false }` [INFO] [stdout] 43a7d43a46a92a3696589e20f4c8220b415e05e0e059a13c64636cc7277ff193