[INFO] cloning repository https://github.com/silven/armstrong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silven/armstrong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilven%2Farmstrong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilven%2Farmstrong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67cc95946d52c41baf2b4c8a5cad34bc2353cc83
[INFO] testing silven/armstrong/67cc95946d52c41baf2b4c8a5cad34bc2353cc83 against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilven%2Farmstrong" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silven/armstrong on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/silven/armstrong
[INFO] finished tweaking git repo https://github.com/silven/armstrong
[INFO] tweaked toml for git repo https://github.com/silven/armstrong written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/silven/armstrong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cortex-m v0.2.11
[INFO] [stderr]   Downloaded aligned v0.1.1
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded r0 v0.2.1
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ac9df7c2802f35c0299db3e46116f99fa9611ce7abc9363b45e71b26abcfb7
[INFO] running `Command { std: "docker" "start" "-a" "e2ac9df7c2802f35c0299db3e46116f99fa9611ce7abc9363b45e71b26abcfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ac9df7c2802f35c0299db3e46116f99fa9611ce7abc9363b45e71b26abcfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ac9df7c2802f35c0299db3e46116f99fa9611ce7abc9363b45e71b26abcfb7", kill_on_drop: false }`
[INFO] [stdout] e2ac9df7c2802f35c0299db3e46116f99fa9611ce7abc9363b45e71b26abcfb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c04c8ee36bda5e1295503a164b0284f800f5fc9978f33cde2aab2c62042a965
[INFO] running `Command { std: "docker" "start" "-a" "3c04c8ee36bda5e1295503a164b0284f800f5fc9978f33cde2aab2c62042a965", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling armstrong v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics, lang_items, const_fn, naked_functions)]
[INFO] [stdout]   |                                         ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics, lang_items, const_fn, naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(drop_types_in_const, compiler_builtins_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `drop_types_in_const` has been stable since `1.22.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics, lang_items, const_fn, naked_functions)]
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(core_intrinsics, lang_items, const_fn, naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `crash_uart` should have an upper camel case name
[INFO] [stdout]   --> src/isr.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct crash_uart {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CrashUart`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/isr.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     if (U0LSR_REGISTER.read() & 0x20 != 0) {
[INFO] [stdout]    |                        ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -                     if (U0LSR_REGISTER.read() & 0x20 != 0) {
[INFO] [stdout] 20 +                     if U0LSR_REGISTER.read() & 0x20 != 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/isr.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub extern fn handle_panic(_msg: ::core::fmt::Arguments,
[INFO] [stdout]    |     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/isr.rs:119:39
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub static ISRVectors: [Option<unsafe extern fn()>; 16] = [
[INFO] [stdout]     |                                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]   --> src/isr.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / pub extern fn handle_panic(_msg: ::core::fmt::Arguments,
[INFO] [stdout] 33 | |                                _file: &'static str,
[INFO] [stdout] 34 | |                                _line: u32) {
[INFO] [stdout] 35 | |     use ::core::fmt::Write;
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     loop {};
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `core` (which `armstrong` depends on)
[INFO] [stdout]    = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-a88b4ab71963f9fd.rlib
[INFO] [stdout]    = note: second definition in the local crate (`armstrong`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `armstrong` (lib) due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3c04c8ee36bda5e1295503a164b0284f800f5fc9978f33cde2aab2c62042a965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c04c8ee36bda5e1295503a164b0284f800f5fc9978f33cde2aab2c62042a965", kill_on_drop: false }`
[INFO] [stdout] 3c04c8ee36bda5e1295503a164b0284f800f5fc9978f33cde2aab2c62042a965