[INFO] fetching crate rustmeter-beacon 0.2.0...
[INFO] testing rustmeter-beacon-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustmeter-beacon 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rustmeter-beacon 0.2.0
[INFO] finished tweaking crates.io crate rustmeter-beacon 0.2.0
[INFO] tweaked toml for crates.io crate rustmeter-beacon 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustmeter-beacon 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustmeter-beacon 0.2.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 447d753e9cfb2a48f8495c89f40e8b2cc51bde998957a34bd0c147ad06d68ec0
[INFO] running `Command { std: "docker" "start" "-a" "447d753e9cfb2a48f8495c89f40e8b2cc51bde998957a34bd0c147ad06d68ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "447d753e9cfb2a48f8495c89f40e8b2cc51bde998957a34bd0c147ad06d68ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447d753e9cfb2a48f8495c89f40e8b2cc51bde998957a34bd0c147ad06d68ec0", kill_on_drop: false }`
[INFO] [stdout] 447d753e9cfb2a48f8495c89f40e8b2cc51bde998957a34bd0c147ad06d68ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44acdc78ae56fc0745b79cc6e396fa812930f8f2391f734c99e964ca147e800
[INFO] running `Command { std: "docker" "start" "-a" "d44acdc78ae56fc0745b79cc6e396fa812930f8f2391f734c99e964ca147e800", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embassy-time-driver v0.2.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embassy-executor v0.9.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling embassy-sync v0.7.2
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling arbitrary-int v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling embedded-io v0.7.1
[INFO] [stderr]    Compiling embassy-executor-timer-queue v0.1.0
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling embedded-io-async v0.7.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling embassy-time v0.5.0
[INFO] [stderr]    Compiling rustmeter-beacon-core v0.2.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling embassy-executor-macros v0.7.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling rustmeter-beacon-proc-macros v0.2.0
[INFO] [stderr]    Compiling rustmeter-beacon-target v0.2.0
[INFO] [stderr]    Compiling rustmeter-beacon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "d44acdc78ae56fc0745b79cc6e396fa812930f8f2391f734c99e964ca147e800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44acdc78ae56fc0745b79cc6e396fa812930f8f2391f734c99e964ca147e800", kill_on_drop: false }`
[INFO] [stdout] d44acdc78ae56fc0745b79cc6e396fa812930f8f2391f734c99e964ca147e800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff32c4ab03bc38b9838d468c39ea2d4e26b48d187d28dbfad959a9a000b06725
[INFO] running `Command { std: "docker" "start" "-a" "ff32c4ab03bc38b9838d468c39ea2d4e26b48d187d28dbfad959a9a000b06725", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustmeter-beacon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ff32c4ab03bc38b9838d468c39ea2d4e26b48d187d28dbfad959a9a000b06725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff32c4ab03bc38b9838d468c39ea2d4e26b48d187d28dbfad959a9a000b06725", kill_on_drop: false }`
[INFO] [stdout] ff32c4ab03bc38b9838d468c39ea2d4e26b48d187d28dbfad959a9a000b06725
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eaec96e57e48551d8be7237c5fd853501644c755cb90f01d93e8077bdf50356b
[INFO] running `Command { std: "docker" "start" "-a" "eaec96e57e48551d8be7237c5fd853501644c755cb90f01d93e8077bdf50356b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustmeter_beacon-e552993bd4812d04)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustmeter_beacon
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/../README.md - (line 75) ... FAILED
[INFO] [stdout] test src/../README.md - (line 112) ... FAILED
[INFO] [stdout] test src/../README.md - (line 86) ... FAILED
[INFO] [stdout] test src/../README.md - (line 103) ... FAILED
[INFO] [stdout] test src/../README.md - (line 48) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 75) stdout ----
[INFO] [stdout] error: cannot find attribute `monitor_fn` in this scope
[INFO] [stdout]   --> src/../README.md:76:3
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[monitor_fn] 
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 112) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `defmt` in this scope
[INFO] [stdout]    --> src/../README.md:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | defmt::info!("System initialized");
[INFO] [stdout]     | ^^^^^ use of unresolved module or unlinked crate `defmt`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 86) stdout ----
[INFO] [stdout] error: cannot find macro `monitor_scoped` in this scope
[INFO] [stdout]   --> src/../README.md:90:18
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let result = monitor_scoped!("matrix_mul", {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 103) stdout ----
[INFO] [stdout] error: cannot find macro `monitor_value` in this scope
[INFO] [stdout]    --> src/../README.md:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | monitor_value!("temperature", temp);
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `temp_sensor` in this scope
[INFO] [stdout]    --> src/../README.md:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | let temp = temp_sensor.read();
[INFO] [stdout]     |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 48) stdout ----
[INFO] [stdout] error: expected `;`, found `init_rustmeter_beacon`
[INFO] [stdout]   --> src/../README.md:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |     )
[INFO] [stdout]    |      ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 64 |     init_rustmeter_beacon(
[INFO] [stdout]    |     --------------------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `get_system_freq` in this scope
[INFO] [stdout]   --> src/../README.md:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |         RustmeterConfig::new(get_system_freq!()), &spawner
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `esp_hal` in this scope
[INFO] [stdout]   --> src/../README.md:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let config = esp_hal::Config::default() // <- in your setup
[INFO] [stdout]    |                  ^^^^^^^ use of unresolved module or unlinked crate `esp_hal`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `esp_hal`, use `cargo add esp_hal` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `spawner` in this scope
[INFO] [stdout]   --> src/../README.md:65:52
[INFO] [stdout]    |
[INFO] [stdout] 65 |         RustmeterConfig::new(get_system_freq!()), &spawner
[INFO] [stdout]    |                                                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `CpuClock` in this scope
[INFO] [stdout]   --> src/../README.md:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         .with_cpu_clock(CpuClock::max());  // any clock speed
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `CpuClock`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `RustmeterConfig` in this scope
[INFO] [stdout]   --> src/../README.md:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         RustmeterConfig::new(get_system_freq!()), &spawner
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ use of undeclared type `RustmeterConfig`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `init_rustmeter_beacon` in this scope
[INFO] [stdout]   --> src/../README.md:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     init_rustmeter_beacon(
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 103)
[INFO] [stdout]     src/../README.md - (line 112)
[INFO] [stdout]     src/../README.md - (line 48)
[INFO] [stdout]     src/../README.md - (line 75)
[INFO] [stdout]     src/../README.md - (line 86)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.68s; merged doctests compilation took 0.19s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "eaec96e57e48551d8be7237c5fd853501644c755cb90f01d93e8077bdf50356b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaec96e57e48551d8be7237c5fd853501644c755cb90f01d93e8077bdf50356b", kill_on_drop: false }`
[INFO] [stdout] eaec96e57e48551d8be7237c5fd853501644c755cb90f01d93e8077bdf50356b
