[INFO] cloning repository https://github.com/redox-os/bootloader-efi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/bootloader-efi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fbootloader-efi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fbootloader-efi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e147b413eeb9eb7d01c85cfe1b6b6eea39c47a57
[INFO] testing redox-os/bootloader-efi against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fbootloader-efi" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/bootloader-efi on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/bootloader-efi
[INFO] finished tweaking git repo https://github.com/redox-os/bootloader-efi
[INFO] tweaked toml for git repo https://github.com/redox-os/bootloader-efi written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/bootloader-efi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/orbclient.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded goblin v0.3.0
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded redox_uefi_std v0.1.4
[INFO] [stderr]   Downloaded raw-cpuid v8.1.2
[INFO] [stderr]   Downloaded x86 v0.34.0
[INFO] [stderr]   Downloaded redox_uefi v0.1.0
[INFO] [stderr]   Downloaded redox_uefi_alloc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af82498485f06b604d76be222e20925183504ab59f39f7ae4cc048ced5084cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0af82498485f06b604d76be222e20925183504ab59f39f7ae4cc048ced5084cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af82498485f06b604d76be222e20925183504ab59f39f7ae4cc048ced5084cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af82498485f06b604d76be222e20925183504ab59f39f7ae4cc048ced5084cf", kill_on_drop: false }`
[INFO] [stdout] 0af82498485f06b604d76be222e20925183504ab59f39f7ae4cc048ced5084cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50498f705c5d671588a7060d4e573930fe94e4a58be6a4af875f39205bd9105
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a50498f705c5d671588a7060d4e573930fe94e4a58be6a4af875f39205bd9105", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86 v0.34.0
[INFO] [stderr]    Compiling redox_uefi v0.1.0
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stderr]    Compiling orbclient v0.3.21 (https://gitlab.redox-os.org/redox-os/orbclient.git?branch=no_std#0cf93f23)
[INFO] [stderr]    Compiling raw-cpuid v8.1.2
[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/redox_uefi-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_trait)]
[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] [stderr] error: could not compile `redox_uefi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a50498f705c5d671588a7060d4e573930fe94e4a58be6a4af875f39205bd9105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50498f705c5d671588a7060d4e573930fe94e4a58be6a4af875f39205bd9105", kill_on_drop: false }`
[INFO] [stdout] a50498f705c5d671588a7060d4e573930fe94e4a58be6a4af875f39205bd9105