[INFO] cloning repository https://github.com/MathIsFun0/Amethyst-OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathIsFun0/Amethyst-OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathIsFun0%2FAmethyst-OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathIsFun0%2FAmethyst-OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10e6165ff963a214ff1499cd2989b82c5217551f
[INFO] testing MathIsFun0/Amethyst-OS against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathIsFun0%2FAmethyst-OS" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathIsFun0/Amethyst-OS on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-107/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MathIsFun0/Amethyst-OS
[INFO] finished tweaking git repo https://github.com/MathIsFun0/Amethyst-OS
[INFO] tweaked toml for git repo https://github.com/MathIsFun0/Amethyst-OS written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/MathIsFun0/Amethyst-OS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82ec9f6e4978fc8d51f2bf8292e9591596db7a345465bc9ecac13fbf07052cd1
[INFO] running `Command { std: "docker" "start" "-a" "82ec9f6e4978fc8d51f2bf8292e9591596db7a345465bc9ecac13fbf07052cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82ec9f6e4978fc8d51f2bf8292e9591596db7a345465bc9ecac13fbf07052cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ec9f6e4978fc8d51f2bf8292e9591596db7a345465bc9ecac13fbf07052cd1", kill_on_drop: false }`
[INFO] [stdout] 82ec9f6e4978fc8d51f2bf8292e9591596db7a345465bc9ecac13fbf07052cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb883ae287bb99c957de5bff0657dfa16a00753885c157c51ae6b9ffab0b334
[INFO] running `Command { std: "docker" "start" "-a" "eeb883ae287bb99c957de5bff0657dfa16a00753885c157c51ae6b9ffab0b334", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling efi_ffi v0.1.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling utf8-width v0.1.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling efi v0.2.1 (https://github.com/gurry/efi?branch=master#8f2377d2)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/efi-2217c5ec7f518188/8f2377d/src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(str_internals)] // TODO: this looks very new and unstable. Can we get rid of it?
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/efi-2217c5ec7f518188/8f2377d/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(ptr_internals)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `efi` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "eeb883ae287bb99c957de5bff0657dfa16a00753885c157c51ae6b9ffab0b334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb883ae287bb99c957de5bff0657dfa16a00753885c157c51ae6b9ffab0b334", kill_on_drop: false }`
[INFO] [stdout] eeb883ae287bb99c957de5bff0657dfa16a00753885c157c51ae6b9ffab0b334