[INFO] cloning repository https://github.com/NobodyNada/ros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NobodyNada/ros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNobodyNada%2Fros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNobodyNada%2Fros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b1a0077f81d5515cf5327332d6bcfe18773240b
[INFO] checking NobodyNada/ros against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNobodyNada%2Fros" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NobodyNada/ros on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/NobodyNada/ros
[INFO] finished tweaking git repo https://github.com/NobodyNada/ros
[INFO] tweaked toml for git repo https://github.com/NobodyNada/ros written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/NobodyNada/ros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26722a2b89c6a081121c0c599862b86c7292b340f61d460218292f5bb9e6dc13
[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" "26722a2b89c6a081121c0c599862b86c7292b340f61d460218292f5bb9e6dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26722a2b89c6a081121c0c599862b86c7292b340f61d460218292f5bb9e6dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26722a2b89c6a081121c0c599862b86c7292b340f61d460218292f5bb9e6dc13", kill_on_drop: false }`
[INFO] [stdout] 26722a2b89c6a081121c0c599862b86c7292b340f61d460218292f5bb9e6dc13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceeb4f154e3739308a0bc579989aa6b2b34522150ab275387052f6b6eed15573
[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" "ceeb4f154e3739308a0bc579989aa6b2b34522150ab275387052f6b6eed15573", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking ros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(asm, global_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_generics_defaults, const_fn_trait_bound, const_fn_fn_ptr_basics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(panic_info_message)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/cga.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[repr(u16)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/cga.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[repr(u16)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:204:1
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(asm, global_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_generics_defaults, const_fn_trait_bound, const_fn_fn_ptr_basics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(panic_info_message)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | unsafe fn panic(info: &core::panic::PanicInfo<'_>) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib
[INFO] [stdout]    = note: second definition in the local crate (`ros`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/cga.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[repr(u16)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/cga.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #[repr(u16)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:128:1
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:204:1
[INFO] [stdout]     |
[INFO] [stdout] 204 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:221:1
[INFO] [stdout]     |
[INFO] [stdout] 221 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/x86/io/serial.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | #[repr(u8)]
[INFO] [stdout]     | ^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ros` due to 5 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 9 warnings emitted
[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" "ceeb4f154e3739308a0bc579989aa6b2b34522150ab275387052f6b6eed15573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceeb4f154e3739308a0bc579989aa6b2b34522150ab275387052f6b6eed15573", kill_on_drop: false }`
[INFO] [stdout] ceeb4f154e3739308a0bc579989aa6b2b34522150ab275387052f6b6eed15573
