[INFO] cloning repository https://github.com/rickono/plotto-arbitrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rickono/plotto-arbitrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickono%2Fplotto-arbitrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickono%2Fplotto-arbitrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9bd0332e325dc4cc1089893d9911956ce3c9ed5
[INFO] testing rickono/plotto-arbitrate against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frickono%2Fplotto-arbitrate" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rickono/plotto-arbitrate
[INFO] finished tweaking git repo https://github.com/rickono/plotto-arbitrate
[INFO] tweaked toml for git repo https://github.com/rickono/plotto-arbitrate written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rickono/plotto-arbitrate on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rickono/plotto-arbitrate 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4496e5abd18bdfd2eb41c1e688f8a304a41fc45fd1b474627a6671dc1a6717d
[INFO] running `Command { std: "docker" "start" "-a" "f4496e5abd18bdfd2eb41c1e688f8a304a41fc45fd1b474627a6671dc1a6717d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4496e5abd18bdfd2eb41c1e688f8a304a41fc45fd1b474627a6671dc1a6717d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4496e5abd18bdfd2eb41c1e688f8a304a41fc45fd1b474627a6671dc1a6717d", kill_on_drop: false }`
[INFO] [stdout] f4496e5abd18bdfd2eb41c1e688f8a304a41fc45fd1b474627a6671dc1a6717d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13ef4b4e3bed765b9a84cba482cc3bc029281537c72020cb666c7a86df572e1b
[INFO] running `Command { std: "docker" "start" "-a" "13ef4b4e3bed765b9a84cba482cc3bc029281537c72020cb666c7a86df572e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling plotto-utils v0.1.0 (/opt/rustwide/workdir/crates/utils)
[INFO] [stderr]    Compiling plotto-arb v0.1.0 (/opt/rustwide/workdir/crates/arbitrate)
[INFO] [stderr] error: failed to run custom build command for `plotto-arb v0.1.0 (/opt/rustwide/workdir/crates/arbitrate)`
[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/plotto-arb-a9aff62e17b8e33e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (263) panicked at crates/arbitrate/build.rs:10:39:
[INFO] [stderr]   Failed to create output file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a5cfd664a02 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a5cfd664a02 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a5cfd664a02 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5a5cfd664a02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5a5cfd6737cf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5a5cfd6737cf - core::fmt::write::h8a63064c67176fd8
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5a5cfd6425a3 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a5cfd6425a3 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5a5cfd647db2 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5a5cfd6496ac - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5a5cfd649506 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5a5cfd649c85 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5a5cfd649b1a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5a5cfd647ee9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5a5cfd63711d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5a5cfd676e00 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5a5cfd676556 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x5a5cfd62de72 - core::result::Result<T,E>::expect::h7884e8703bade6c5
[INFO] [stderr]     18:     0x5a5cfd62b4f4 - build_script_build::main::h0b45ebfafa9fdcc8
[INFO] [stderr]     19:     0x5a5cfd62d093 - core::ops::function::FnOnce::call_once::h112558b175f61ce3
[INFO] [stderr]     20:     0x5a5cfd62cef6 - std::sys::backtrace::__rust_begin_short_backtrace::h8006c256d935ed93
[INFO] [stderr]     21:     0x5a5cfd62ce29 - std::rt::lang_start::{{closure}}::hf55b3766793758aa
[INFO] [stderr]     22:     0x5a5cfd643e10 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5a5cfd643e10 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x5a5cfd643e10 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x5a5cfd643e10 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5a5cfd643e10 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5a5cfd643e10 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x5a5cfd643e10 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x5a5cfd643e10 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5a5cfd643e10 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stderr]                                  at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5a5cfd62ce11 - std::rt::lang_start::he4cda10bc5d060de
[INFO] [stderr]     32:     0x5a5cfd62e735 - main
[INFO] [stderr]     33:     0x780dea33b1ca - <unknown>
[INFO] [stderr]     34:     0x780dea33b28b - __libc_start_main
[INFO] [stderr]     35:     0x5a5cfd62b2d5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "13ef4b4e3bed765b9a84cba482cc3bc029281537c72020cb666c7a86df572e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ef4b4e3bed765b9a84cba482cc3bc029281537c72020cb666c7a86df572e1b", kill_on_drop: false }`
[INFO] [stdout] 13ef4b4e3bed765b9a84cba482cc3bc029281537c72020cb666c7a86df572e1b