[INFO] cloning repository https://github.com/malcomkamau/lithos-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malcomkamau/lithos-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcomkamau%2Flithos-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcomkamau%2Flithos-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93aaabc7fe2bb0081df0c45f0c9d8acd8c0ab68b
[INFO] checking malcomkamau/lithos-kernel against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcomkamau%2Flithos-kernel" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/malcomkamau/lithos-kernel
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/malcomkamau/lithos-kernel
[INFO] tweaked toml for git repo https://github.com/malcomkamau/lithos-kernel written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malcomkamau/lithos-kernel on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malcomkamau/lithos-kernel 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-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking malcomkamau/lithos-kernel against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcomkamau%2Flithos-kernel" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  97% (272/278)
Updating files:  98% (273/278)
Updating files:  99% (276/278)
Updating files: 100% (278/278)
Updating files: 100% (278/278), done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/malcomkamau/lithos-kernel
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/malcomkamau/lithos-kernel
[INFO] tweaked toml for git repo https://github.com/malcomkamau/lithos-kernel written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malcomkamau/lithos-kernel on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malcomkamau/lithos-kernel 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-beta.7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pc-keyboard v0.7.0
[INFO] [stderr]   Downloaded conquer-once v0.4.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.1
[INFO] [stderr]   Downloaded conquer-util v0.3.0
[INFO] [stderr]   Downloaded bootloader v0.9.34
[INFO] [stderr]   Downloaded x86_64 v0.14.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12297d549cbd5569b0c6c2ca0a3cb61d65f0ee1523e6a4c9f4d7d31a284803b7
[INFO] running `Command { std: "docker" "start" "-a" "12297d549cbd5569b0c6c2ca0a3cb61d65f0ee1523e6a4c9f4d7d31a284803b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12297d549cbd5569b0c6c2ca0a3cb61d65f0ee1523e6a4c9f4d7d31a284803b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12297d549cbd5569b0c6c2ca0a3cb61d65f0ee1523e6a4c9f4d7d31a284803b7", kill_on_drop: false }`
[INFO] [stdout] 12297d549cbd5569b0c6c2ca0a3cb61d65f0ee1523e6a4c9f4d7d31a284803b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf6783af22b97e56fbc613314aa3454188da17b009fc5e7d68f37644c55e799
[INFO] running `Command { std: "docker" "start" "-a" "bcf6783af22b97e56fbc613314aa3454188da17b009fc5e7d68f37644c55e799", kill_on_drop: false }`
[INFO] [stderr]     Checking volatile v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]    Compiling bootloader v0.9.34
[INFO] [stderr]     Checking spinning_top v0.2.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking conquer-once v0.4.0
[INFO] [stderr]     Checking linked_list_allocator v0.9.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking pc-keyboard v0.7.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking x86_64 v0.14.13
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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]   |                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linked_list_allocator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.13/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]   = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[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" "bcf6783af22b97e56fbc613314aa3454188da17b009fc5e7d68f37644c55e799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf6783af22b97e56fbc613314aa3454188da17b009fc5e7d68f37644c55e799", kill_on_drop: false }`
[INFO] [stdout] bcf6783af22b97e56fbc613314aa3454188da17b009fc5e7d68f37644c55e799
