[INFO] cloning repository https://github.com/alnyan/yboot2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alnyan/yboot2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falnyan%2Fyboot2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falnyan%2Fyboot2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eedac5effab10fd70cc5c40ae86b663ae2e879c
[INFO] testing alnyan/yboot2 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falnyan%2Fyboot2" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alnyan/yboot2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/alnyan/yboot2
[INFO] finished tweaking git repo https://github.com/alnyan/yboot2
[INFO] tweaked toml for git repo https://github.com/alnyan/yboot2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/alnyan/yboot2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://git.alnyan.me/yggdrasil/yboot2-proto.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d2f1b1fa0e9556a800af9c453526e50e18d0faa0678630d37fbcc8d2f80f982
[INFO] running `Command { std: "docker" "start" "-a" "6d2f1b1fa0e9556a800af9c453526e50e18d0faa0678630d37fbcc8d2f80f982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d2f1b1fa0e9556a800af9c453526e50e18d0faa0678630d37fbcc8d2f80f982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2f1b1fa0e9556a800af9c453526e50e18d0faa0678630d37fbcc8d2f80f982", kill_on_drop: false }`
[INFO] [stdout] 6d2f1b1fa0e9556a800af9c453526e50e18d0faa0678630d37fbcc8d2f80f982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc42d39c0d388646831960179107f2bd07effb33d01dcf50c0cdcaee88ee5f44
[INFO] running `Command { std: "docker" "start" "-a" "cc42d39c0d388646831960179107f2bd07effb33d01dcf50c0cdcaee88ee5f44", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-rt v0.1.0 (/opt/rustwide/workdir/crates/core-rt)
[INFO] [stderr]    Compiling efi v0.1.0 (/opt/rustwide/workdir/crates/efi)
[INFO] [stderr]    Compiling char16-literal v0.1.0 (/opt/rustwide/workdir/crates/char16-literal)
[INFO] [stderr]    Compiling yboot2-proto v0.1.0 (https://git.alnyan.me/yggdrasil/yboot2-proto.git#f9c0ad12)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> crates/core-rt/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> crates/efi/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-rt` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "cc42d39c0d388646831960179107f2bd07effb33d01dcf50c0cdcaee88ee5f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc42d39c0d388646831960179107f2bd07effb33d01dcf50c0cdcaee88ee5f44", kill_on_drop: false }`
[INFO] [stdout] cc42d39c0d388646831960179107f2bd07effb33d01dcf50c0cdcaee88ee5f44