[INFO] cloning repository https://github.com/RusPiRo/ruspiro-kernel
[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-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1328368c72d0b1f0d29e59fe72dbdc4e5fa331e9
[INFO] checking RusPiRo/ruspiro-kernel against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRusPiRo%2Fruspiro-kernel" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RusPiRo/ruspiro-kernel on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RusPiRo/ruspiro-kernel
[INFO] finished tweaking git repo https://github.com/RusPiRo/ruspiro-kernel
[INFO] tweaked toml for git repo https://github.com/RusPiRo/ruspiro-kernel written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RusPiRo/ruspiro-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.8
[INFO] [stderr]   Downloaded paste v0.1.5
[INFO] [stderr]   Downloaded ruspiro-singleton v0.1.0
[INFO] [stderr]   Downloaded ruspiro-mailbox v0.1.0
[INFO] [stderr]   Downloaded ruspiro-timer v0.1.0
[INFO] [stderr]   Downloaded ruspiro-boot v0.1.0
[INFO] [stderr]   Downloaded ruspiro-interrupt-macros v0.1.0
[INFO] [stderr]   Downloaded ruspiro-interrupt v0.1.0
[INFO] [stderr]   Downloaded ruspiro-allocator-oom v0.1.0
[INFO] [stderr]   Downloaded ruspiro-lock v0.1.0
[INFO] [stderr]   Downloaded ruspiro-register v0.1.1
[INFO] [stderr]   Downloaded paste-impl v0.1.5
[INFO] [stderr]   Downloaded ruspiro-allocator v0.1.1
[INFO] [stderr]   Downloaded ruspiro-gpio v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.43
[INFO] [stderr]   Downloaded ruspiro-uart v0.1.0
[INFO] [stderr]   Downloaded ruspiro-console v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f726f4dfa49b42e40be887744ddd1b394f59d7a28a9e2917ff502642997c0c6
[INFO] running `Command { std: "docker" "start" "-a" "8f726f4dfa49b42e40be887744ddd1b394f59d7a28a9e2917ff502642997c0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f726f4dfa49b42e40be887744ddd1b394f59d7a28a9e2917ff502642997c0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f726f4dfa49b42e40be887744ddd1b394f59d7a28a9e2917ff502642997c0c6", kill_on_drop: false }`
[INFO] [stdout] 8f726f4dfa49b42e40be887744ddd1b394f59d7a28a9e2917ff502642997c0c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faa2395406342a37f6a61c5f31b5d6652f493fe0f056c20f4da975439e20f588
[INFO] running `Command { std: "docker" "start" "-a" "faa2395406342a37f6a61c5f31b5d6652f493fe0f056c20f4da975439e20f588", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]     Checking ruspiro-lock v0.1.0
[INFO] [stderr]     Checking ruspiro-register v0.1.1
[INFO] [stderr]     Checking ruspiro-allocator-oom v0.1.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruspiro-register-0.1.1/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ruspiro-singleton v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruspiro-register`
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "faa2395406342a37f6a61c5f31b5d6652f493fe0f056c20f4da975439e20f588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa2395406342a37f6a61c5f31b5d6652f493fe0f056c20f4da975439e20f588", kill_on_drop: false }`
[INFO] [stdout] faa2395406342a37f6a61c5f31b5d6652f493fe0f056c20f4da975439e20f588