[INFO] cloning repository https://github.com/megumish/ppcargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/megumish/ppcargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegumish%2Fppcargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegumish%2Fppcargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0da7f2b21e886b88ebdbaea1d6c5b811bd2157f0
[INFO] testing megumish/ppcargo against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmegumish%2Fppcargo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/megumish/ppcargo
[INFO] finished tweaking git repo https://github.com/megumish/ppcargo
[INFO] tweaked toml for git repo https://github.com/megumish/ppcargo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/megumish/ppcargo 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 git repo https://github.com/megumish/ppcargo 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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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] b71323aab1e8436a2fabbf476e8621c0ff2c4926f93122bba76dc11ad3b5560f
[INFO] running `Command { std: "docker" "start" "-a" "b71323aab1e8436a2fabbf476e8621c0ff2c4926f93122bba76dc11ad3b5560f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71323aab1e8436a2fabbf476e8621c0ff2c4926f93122bba76dc11ad3b5560f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71323aab1e8436a2fabbf476e8621c0ff2c4926f93122bba76dc11ad3b5560f", kill_on_drop: false }`
[INFO] [stdout] b71323aab1e8436a2fabbf476e8621c0ff2c4926f93122bba76dc11ad3b5560f
[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] c41d37ff4151ded5dcbc287c4fac9c2deb4c1cbfac6a234c3622b36292af145d
[INFO] running `Command { std: "docker" "start" "-a" "c41d37ff4151ded5dcbc287c4fac9c2deb4c1cbfac6a234c3622b36292af145d", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling ppcargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ArgGroup`, `Arg`, and `SubCommand`
[INFO] [stdout]  --> src/cli.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, AppSettings, Arg, ArgGroup, SubCommand};
[INFO] [stdout]   |                              ^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `ppcargo v0.1.0 (/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/ppcargo-4ed9cc811cd3f20c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (135) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.26.2/src/app/parser.rs:125:25:
[INFO] [stderr]   couldn't create completion file: description() is deprecated; use Display
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5cf99301650a - 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:     0x5cf99301650a - 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:     0x5cf99301650a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5cf99301650a - <<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:     0x5cf99302681a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5cf99302681a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x5cf993019972 - 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:     0x5cf993019972 - <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:     0x5cf9930022ff - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5cf9930022ff - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5cf993012a81 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5cf993012c3b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5cf9930023b8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5cf992ff7979 - 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:     0x5cf993002b9d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5cf993026f6c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5cf992fad649 - clap::app::parser::Parser::gen_completions::h1f51a356a8b38be8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.26.2/src/app/parser.rs:125:25
[INFO] [stderr]     17:     0x5cf992fab06e - clap::app::App::gen_completions::h614f4e986ae2fb45
[INFO] [stderr]     18:     0x5cf992faadfe - build_script_build::main::h015b0058c0e9ca9e
[INFO] [stderr]     19:     0x5cf992fab243 - core::ops::function::FnOnce::call_once::h6ae1bae77e0770e8
[INFO] [stderr]     20:     0x5cf992faaf56 - std::sys::backtrace::__rust_begin_short_backtrace::h55c1c0a63965e89d
[INFO] [stderr]     21:     0x5cf992faaf39 - std::rt::lang_start::{{closure}}::hfb6788ae35a0a23d
[INFO] [stderr]     22:     0x5cf993012204 - <&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:     0x5cf993012204 - 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:     0x5cf993012204 - 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:     0x5cf993012204 - 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:     0x5cf993012204 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5cf993012204 - 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:     0x5cf993012204 - 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:     0x5cf993012204 - 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:     0x5cf993012204 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5cf992faaf21 - std::rt::lang_start::h1498a17ede1ac74e
[INFO] [stderr]     32:     0x5cf992fab2c5 - main
[INFO] [stderr]     33:     0x7a313191a1ca - <unknown>
[INFO] [stderr]     34:     0x7a313191a28b - __libc_start_main
[INFO] [stderr]     35:     0x5cf992faac75 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c41d37ff4151ded5dcbc287c4fac9c2deb4c1cbfac6a234c3622b36292af145d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41d37ff4151ded5dcbc287c4fac9c2deb4c1cbfac6a234c3622b36292af145d", kill_on_drop: false }`
[INFO] [stdout] c41d37ff4151ded5dcbc287c4fac9c2deb4c1cbfac6a234c3622b36292af145d
