[INFO] fetching crate rktk 0.2.0...
[INFO] testing rktk-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rktk 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rktk 0.2.0
[INFO] finished tweaking crates.io crate rktk 0.2.0
[INFO] tweaked toml for crates.io crate rktk 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rktk 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 rktk 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 982055ba1141c71bda3879584934a0ab8041bac14ef396b105c101ee5e9140bb
[INFO] running `Command { std: "docker" "start" "-a" "982055ba1141c71bda3879584934a0ab8041bac14ef396b105c101ee5e9140bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982055ba1141c71bda3879584934a0ab8041bac14ef396b105c101ee5e9140bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982055ba1141c71bda3879584934a0ab8041bac14ef396b105c101ee5e9140bb", kill_on_drop: false }`
[INFO] [stdout] 982055ba1141c71bda3879584934a0ab8041bac14ef396b105c101ee5e9140bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e79e7b57c5e7009955542f5f580605e1a0b04be7cb2a825faca83b2545c2b754
[INFO] running `Command { std: "docker" "start" "-a" "e79e7b57c5e7009955542f5f580605e1a0b04be7cb2a825faca83b2545c2b754", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling bitfield v0.14.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling usbd-hid-descriptors v0.8.2
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling embassy-time-driver v0.2.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling cobs v0.2.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.2.0
[INFO] [stderr]    Compiling embassy-sync v0.6.2
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embassy-executor v0.7.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling micromath v2.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling display-interface v0.5.0
[INFO] [stderr]    Compiling rktk-log v0.2.0
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling static_cell v2.1.0
[INFO] [stderr]    Compiling smart-leds-trait v0.3.1
[INFO] [stderr]    Compiling smart-leds v0.4.0
[INFO] [stderr]    Compiling embedded-graphics-core v0.4.0
[INFO] [stderr]    Compiling embedded-graphics v0.8.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling const-gen-derive v1.1.6
[INFO] [stderr]    Compiling postcard-derive v0.1.2
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling const-gen v1.6.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling embassy-time v0.4.0
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_with_macros v3.12.0
[INFO] [stderr]    Compiling embassy-executor-macros v0.6.2
[INFO] [stderr]    Compiling ssmarshal v1.0.0
[INFO] [stderr]    Compiling serde_with v3.12.0
[INFO] [stderr]    Compiling postcard v1.1.1
[INFO] [stderr]    Compiling usbd-hid-macros v0.8.2
[INFO] [stderr]    Compiling usbd-hid v0.8.2
[INFO] [stderr]    Compiling rktk-keymanager v0.2.0
[INFO] [stderr]    Compiling rktk v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rktk v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rktk-b2fc0e42b9ced2ca/build-script-main` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=RKTK_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1665) panicked at build/main.rs:40:10:
[INFO] [stderr]   Failed to write schema.json: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ecfc01457ca - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ecfc01457ca - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ecfc01457ca - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5ecfc01457ca - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5ecfc015852a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5ecfc015852a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x5ecfc01499c2 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5ecfc01499c2 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5ecfc012a58f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5ecfc012a58f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5ecfc0140901 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5ecfc0140abb - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5ecfc012a648 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5ecfc011f739 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5ecfc012afad - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5ecfc0158cbc - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ecfc0158a32 - core[6771d259883166e6]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5ecfc009ea00 - core::result::Result<T,E>::expect::had2a6357680b02fd
[INFO] [stderr]     18:     0x5ecfc00b0b55 - build_script_main::main::hb5de2a5569b9393b
[INFO] [stderr]     19:     0x5ecfc009d473 - core::ops::function::FnOnce::call_once::h92e9004e74753fb7
[INFO] [stderr]     20:     0x5ecfc009d346 - std::sys::backtrace::__rust_begin_short_backtrace::h0d0562f3d50a9491
[INFO] [stderr]     21:     0x5ecfc00b3379 - std::rt::lang_start::{{closure}}::h374a17e00b42ca98
[INFO] [stderr]     22:     0x5ecfc013fb44 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5ecfc013fb44 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x5ecfc013fb44 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x5ecfc013fb44 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5ecfc013fb44 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5ecfc013fb44 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x5ecfc013fb44 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x5ecfc013fb44 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5ecfc013fb44 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5ecfc00b3361 - std::rt::lang_start::h9019b282f2e97f79
[INFO] [stderr]     32:     0x5ecfc00b6355 - main
[INFO] [stderr]     33:     0x7cede55fd1ca - <unknown>
[INFO] [stderr]     34:     0x7cede55fd28b - __libc_start_main
[INFO] [stderr]     35:     0x5ecfc00587d5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e79e7b57c5e7009955542f5f580605e1a0b04be7cb2a825faca83b2545c2b754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79e7b57c5e7009955542f5f580605e1a0b04be7cb2a825faca83b2545c2b754", kill_on_drop: false }`
[INFO] [stdout] e79e7b57c5e7009955542f5f580605e1a0b04be7cb2a825faca83b2545c2b754
