[INFO] cloning repository https://github.com/RusPiRo/ruspiro-timer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RusPiRo/ruspiro-timer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-timer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-timer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0d87e4ec58b031b8d2cbefddeca5154e3fee0b5
[INFO] checking RusPiRo/ruspiro-timer against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-timer" "/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/RusPiRo/ruspiro-timer on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RusPiRo/ruspiro-timer
[INFO] finished tweaking git repo https://github.com/RusPiRo/ruspiro-timer
[INFO] tweaked toml for git repo https://github.com/RusPiRo/ruspiro-timer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-interrupt.git`
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-register.git`
[INFO] [stderr]     Updating git repository `https://github.com/RusPiRo/ruspiro-singleton.git`
[INFO] [stderr] warning: Patch `ruspiro-register v0.5.0 (https://github.com/RusPiRo/ruspiro-register.git#e4e0f859)` was not used in the crate graph.
[INFO] [stderr] Patch `ruspiro-singleton v0.4.0 (https://github.com/RusPiRo/ruspiro-singleton.git#0565f8ef)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: Patch `ruspiro-register v0.5.0 (https://github.com/RusPiRo/ruspiro-register.git#e4e0f859)` was not used in the crate graph.
[INFO] [stderr] Patch `ruspiro-singleton v0.4.0 (https://github.com/RusPiRo/ruspiro-singleton.git#0565f8ef)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5f050817b1388bf08de4c8f670da17e5068a169b4844032e31b490f7abf1c8
[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" "4e5f050817b1388bf08de4c8f670da17e5068a169b4844032e31b490f7abf1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5f050817b1388bf08de4c8f670da17e5068a169b4844032e31b490f7abf1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5f050817b1388bf08de4c8f670da17e5068a169b4844032e31b490f7abf1c8", kill_on_drop: false }`
[INFO] [stdout] 4e5f050817b1388bf08de4c8f670da17e5068a169b4844032e31b490f7abf1c8
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a434412665682f133c7b68645402148e550b57c5e771ba134bbb82248df78b
[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" "e9a434412665682f133c7b68645402148e550b57c5e771ba134bbb82248df78b", kill_on_drop: false }`
[INFO] [stderr] warning: Patch `ruspiro-register v0.5.0 (https://github.com/RusPiRo/ruspiro-register.git#e4e0f859)` was not used in the crate graph.
[INFO] [stderr] Patch `ruspiro-singleton v0.4.0 (https://github.com/RusPiRo/ruspiro-singleton.git#0565f8ef)` was not used in the crate graph.
[INFO] [stderr] Check that the patched package version and available features are compatible
[INFO] [stderr] with the dependency requirements. If the patch has a different version from
[INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new
[INFO] [stderr] version. This may also occur with an optional dependency that is not enabled.
[INFO] [stderr]     Checking ruspiro-lock v0.3.3
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]     Checking ruspiro-register v0.4.3
[INFO] [stderr]     Checking ruspiro-interrupt-core v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[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/ruspiro-lock-0.3.3/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm)]
[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] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruspiro-interrupt-core-0.3.1/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm)]
[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 `ruspiro-interrupt-core`
[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/ruspiro-register-0.4.3/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(llvm_asm, const_fn, doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [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" "e9a434412665682f133c7b68645402148e550b57c5e771ba134bbb82248df78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a434412665682f133c7b68645402148e550b57c5e771ba134bbb82248df78b", kill_on_drop: false }`
[INFO] [stdout] e9a434412665682f133c7b68645402148e550b57c5e771ba134bbb82248df78b