[INFO] cloning repository https://github.com/Gallium70/lrv-rust-bl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gallium70/lrv-rust-bl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGallium70%2Flrv-rust-bl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGallium70%2Flrv-rust-bl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c03b2e2374bcf7e94ed17b930abea6f2a672b107
[INFO] testing Gallium70/lrv-rust-bl 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%2FGallium70%2Flrv-rust-bl" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gallium70/lrv-rust-bl 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-28/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Gallium70/lrv-rust-bl
[INFO] finished tweaking git repo https://github.com/Gallium70/lrv-rust-bl
[INFO] tweaked toml for git repo https://github.com/Gallium70/lrv-rust-bl written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/Gallium70/lrv-rust-bl 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 90381ca4dc7f3a7b86702904884bb35f381cbf2817c8c1d89ebb991e27c8f4d1
[INFO] running `Command { std: "docker" "start" "-a" "90381ca4dc7f3a7b86702904884bb35f381cbf2817c8c1d89ebb991e27c8f4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90381ca4dc7f3a7b86702904884bb35f381cbf2817c8c1d89ebb991e27c8f4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90381ca4dc7f3a7b86702904884bb35f381cbf2817c8c1d89ebb991e27c8f4d1", kill_on_drop: false }`
[INFO] [stdout] 90381ca4dc7f3a7b86702904884bb35f381cbf2817c8c1d89ebb991e27c8f4d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 63c6c2e3ef42440c8ecc2ebfe8f9a691a69bbdd42082d15ba883feed662737fb
[INFO] running `Command { std: "docker" "start" "-a" "63c6c2e3ef42440c8ecc2ebfe8f9a691a69bbdd42082d15ba883feed662737fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling lrv-rust-bl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling device_tree v1.0.3 (https://github.com/rcore-os/device_tree-rs/#2f2e55fb)
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling nb v0.1.3
[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-0.4.6/src/lib.rs:93:34
[INFO] [stdout]    |
[INFO] [stdout] 93 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[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] running `Command { std: "docker" "inspect" "63c6c2e3ef42440c8ecc2ebfe8f9a691a69bbdd42082d15ba883feed662737fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c6c2e3ef42440c8ecc2ebfe8f9a691a69bbdd42082d15ba883feed662737fb", kill_on_drop: false }`
[INFO] [stdout] 63c6c2e3ef42440c8ecc2ebfe8f9a691a69bbdd42082d15ba883feed662737fb