[INFO] cloning repository https://github.com/Richard-W/higherhalf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Richard-W/higherhalf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRichard-W%2Fhigherhalf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2f3b3703454f8091d530890f4719875e3a46806
[INFO] testing Richard-W/higherhalf 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%2FRichard-W%2Fhigherhalf" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Richard-W/higherhalf 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-29/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] finished tweaking git repo https://github.com/Richard-W/higherhalf
[INFO] tweaked toml for git repo https://github.com/Richard-W/higherhalf written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/Richard-W/higherhalf 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 288256fbf80d2c1854096ca5781f03115a91822b25a6a539c5fac50ebff030b8
[INFO] running `Command { std: "docker" "start" "-a" "288256fbf80d2c1854096ca5781f03115a91822b25a6a539c5fac50ebff030b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288256fbf80d2c1854096ca5781f03115a91822b25a6a539c5fac50ebff030b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288256fbf80d2c1854096ca5781f03115a91822b25a6a539c5fac50ebff030b8", kill_on_drop: false }`
[INFO] [stdout] 288256fbf80d2c1854096ca5781f03115a91822b25a6a539c5fac50ebff030b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] c807f31b65d2007d60d5917e22545c99102bf4420087512426637095562da34e
[INFO] running `Command { std: "docker" "start" "-a" "c807f31b65d2007d60d5917e22545c99102bf4420087512426637095562da34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-efi v3.1.0
[INFO] [stderr]    Compiling font8x8 v0.2.5
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling mmu v0.1.0
[INFO] [stderr]    Compiling late-static v0.3.0
[INFO] [stderr]    Compiling ucs2 v0.3.1
[INFO] [stderr]    Compiling xmas-elf v0.6.2
[INFO] [stderr]    Compiling efw v0.2.0 (https://github.com/richard-w/efw?branch=master#61bed3a2)
[INFO] [stderr]    Compiling common v0.0.0 (/opt/rustwide/workdir/common)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/efw-31cbd3fed93e26f1/61bed3a/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc_error_handler)]
[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/efw-31cbd3fed93e26f1/61bed3a/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(panic_info_message)]
[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/efw-31cbd3fed93e26f1/61bed3a/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(panic_info_message)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `efw` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c807f31b65d2007d60d5917e22545c99102bf4420087512426637095562da34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c807f31b65d2007d60d5917e22545c99102bf4420087512426637095562da34e", kill_on_drop: false }`
[INFO] [stdout] c807f31b65d2007d60d5917e22545c99102bf4420087512426637095562da34e