[INFO] fetching crate kble-c2a 0.4.2...
[INFO] testing kble-c2a-0.4.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate kble-c2a 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kble-c2a 0.4.2
[INFO] finished tweaking crates.io crate kble-c2a 0.4.2
[INFO] tweaked toml for crates.io crate kble-c2a 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kble-c2a 0.4.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kble-c2a 0.4.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding kble-socket v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afd64c25125e8e73d38f7ea806c102eeb9c5077875ac5f8a255bf8b07bb6029d
[INFO] running `Command { std: "docker" "start" "-a" "afd64c25125e8e73d38f7ea806c102eeb9c5077875ac5f8a255bf8b07bb6029d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afd64c25125e8e73d38f7ea806c102eeb9c5077875ac5f8a255bf8b07bb6029d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd64c25125e8e73d38f7ea806c102eeb9c5077875ac5f8a255bf8b07bb6029d", kill_on_drop: false }`
[INFO] [stdout] afd64c25125e8e73d38f7ea806c102eeb9c5077875ac5f8a255bf8b07bb6029d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3d94f4bfa3db8753ffae8581375ffc0404f3d32ffce57600bda8c2a9cfc7aa
[INFO] running `Command { std: "docker" "start" "-a" "0c3d94f4bfa3db8753ffae8581375ffc0404f3d32ffce57600bda8c2a9cfc7aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling notalawyer-build v0.2.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling kble-c2a v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling notalawyer v0.2.0
[INFO] [stderr] error: failed to run custom build command for `kble-c2a v0.4.2 (/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/kble-c2a-b49d3c99bf8215cd/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=Cargo.toml
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: no such command: `about`
[INFO] [stderr] 
[INFO] [stderr]   help: a command with a similar name exists: `logout`
[INFO] [stderr] 
[INFO] [stderr]   help: view all installed commands with `cargo --list`
[INFO] [stderr]   help: find a package to install `about` with `cargo search cargo-about`
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1034) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/notalawyer-build-0.2.0/src/lib.rs:33:9:
[INFO] [stderr]   cargo-about failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x632fa1cf8432 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x632fa1cf8432 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x632fa1cf8432 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x632fa1cf8432 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x632fa1d0743f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x632fa1d0743f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x632fa1cce4d1 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x632fa1cce4d1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x632fa1cd7f42 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x632fa1cd9b3c - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x632fa1cd9996 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x632fa1cda1c5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x632fa1cda026 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13
[INFO] [stderr]     13:     0x632fa1cd8079 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x632fa1cc2e9d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x632fa1d0a8d0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x632fa1cbc5c1 - notalawyer_build::build_with_template::haba97ac88e98a2f4
[INFO] [stderr]     17:     0x632fa1cbc761 - notalawyer_build::build::hb70197ae190a3462
[INFO] [stderr]     18:     0x632fa1cbbef7 - build_script_build::main::hf639cfa5d9d15732
[INFO] [stderr]     19:     0x632fa1cbbf73 - core::ops::function::FnOnce::call_once::h06f4e8175d9d7f63
[INFO] [stderr]     20:     0x632fa1cbbf56 - std::sys::backtrace::__rust_begin_short_backtrace::h6b7a5e137ec99d57
[INFO] [stderr]     21:     0x632fa1cbbf39 - std::rt::lang_start::{{closure}}::h9f6aed3264632205
[INFO] [stderr]     22:     0x632fa1ccfdd0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x632fa1ccfdd0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x632fa1ccfdd0 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x632fa1ccfdd0 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x632fa1ccfdd0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x632fa1ccfdd0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x632fa1ccfdd0 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x632fa1ccfdd0 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x632fa1ccfdd0 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x632fa1cbbf21 - std::rt::lang_start::hd21d5368861e423c
[INFO] [stderr]     32:     0x632fa1cbbfe5 - main
[INFO] [stderr]     33:     0x775ab242e1ca - <unknown>
[INFO] [stderr]     34:     0x775ab242e28b - __libc_start_main
[INFO] [stderr]     35:     0x632fa1cbbe05 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0c3d94f4bfa3db8753ffae8581375ffc0404f3d32ffce57600bda8c2a9cfc7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3d94f4bfa3db8753ffae8581375ffc0404f3d32ffce57600bda8c2a9cfc7aa", kill_on_drop: false }`
[INFO] [stdout] 0c3d94f4bfa3db8753ffae8581375ffc0404f3d32ffce57600bda8c2a9cfc7aa
