[INFO] cloning repository https://github.com/Hakkero-OS/hakkero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hakkero-OS/hakkero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakkero-OS%2Fhakkero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakkero-OS%2Fhakkero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b8d5095adf5ca5ce4eefab1f94559d7d9e2c652
[INFO] testing Hakkero-OS/hakkero against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakkero-OS%2Fhakkero" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hakkero-OS/hakkero on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-37/source/.cargo/config
[INFO] removed /workspace/builds/worker-37/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Hakkero-OS/hakkero
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Hakkero-OS/hakkero
[INFO] tweaked toml for git repo https://github.com/Hakkero-OS/hakkero written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/Hakkero-OS/hakkero already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/yusdacra/bootloader.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded font8x8 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ea10e224f74299dc264aee065138a751dbcfeb55a0333ac5d824760220ba27
[INFO] running `Command { std: "docker" "start" "-a" "e2ea10e224f74299dc264aee065138a751dbcfeb55a0333ac5d824760220ba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ea10e224f74299dc264aee065138a751dbcfeb55a0333ac5d824760220ba27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ea10e224f74299dc264aee065138a751dbcfeb55a0333ac5d824760220ba27", kill_on_drop: false }`
[INFO] [stdout] e2ea10e224f74299dc264aee065138a751dbcfeb55a0333ac5d824760220ba27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b14fec5267787ad1998bf80e49a35e1c35207df1f8f7255a0357d48bb920531
[INFO] running `Command { std: "docker" "start" "-a" "0b14fec5267787ad1998bf80e49a35e1c35207df1f8f7255a0357d48bb920531", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling bootloader v0.10.6 (https://github.com/yusdacra/bootloader.git?branch=fix/dependency-detection#5ebcaa15)
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smallstr v0.2.0
[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] [stderr] error: could not compile `lock_api` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0b14fec5267787ad1998bf80e49a35e1c35207df1f8f7255a0357d48bb920531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b14fec5267787ad1998bf80e49a35e1c35207df1f8f7255a0357d48bb920531", kill_on_drop: false }`
[INFO] [stdout] 0b14fec5267787ad1998bf80e49a35e1c35207df1f8f7255a0357d48bb920531