[INFO] fetching crate convco 0.6.2... [INFO] testing convco-0.6.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate convco 0.6.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate convco 0.6.2 [INFO] finished tweaking crates.io crate convco 0.6.2 [INFO] tweaked toml for crates.io crate convco 0.6.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate convco 0.6.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate convco 0.6.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0f1b13f5b1711d8762dac036b94f16660acd232f28f3e4356bac6ebc742321f [INFO] running `Command { std: "docker" "start" "-a" "e0f1b13f5b1711d8762dac036b94f16660acd232f28f3e4356bac6ebc742321f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0f1b13f5b1711d8762dac036b94f16660acd232f28f3e4356bac6ebc742321f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0f1b13f5b1711d8762dac036b94f16660acd232f28f3e4356bac6ebc742321f", kill_on_drop: false }` [INFO] [stdout] e0f1b13f5b1711d8762dac036b94f16660acd232f28f3e4356bac6ebc742321f [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35a228e4d388e8b5fc4694abdeaf6ecee1bb5c5c284549dd22740ec6188e96c3 [INFO] running `Command { std: "docker" "start" "-a" "35a228e4d388e8b5fc4694abdeaf6ecee1bb5c5c284549dd22740ec6188e96c3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling pkg-config v0.3.31 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling thiserror v2.0.11 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.0 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling anstyle-parse v0.2.6 [INFO] [stderr] Compiling colorchoice v1.0.3 [INFO] [stderr] Compiling icu_properties_data v1.5.0 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling anstyle-query v1.1.2 [INFO] [stderr] Compiling anstyle v1.0.10 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling clap_lex v0.7.4 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Compiling icu_normalizer_data v1.5.0 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling rustix v0.38.42 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling anstream v0.6.18 [INFO] [stderr] Compiling semver v1.0.25 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling adler2 v2.0.0 [INFO] [stderr] Compiling clap_builder v4.5.27 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling miniz_oxide v0.8.2 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Compiling syn v2.0.93 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling unicode-width v0.2.0 [INFO] [stderr] Compiling num-modular v0.6.1 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling fuzzy-matcher v0.3.7 [INFO] [stderr] Compiling unsafe-libyaml-norway v0.2.15 [INFO] [stderr] Compiling shell-words v1.1.0 [INFO] [stderr] Compiling num-order v1.2.0 [INFO] [stderr] Compiling indexmap v2.7.0 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling cc v1.2.6 [INFO] [stderr] Compiling console v0.15.10 [INFO] [stderr] Compiling tempfile v3.14.0 [INFO] [stderr] Compiling cmake v0.1.52 [INFO] [stderr] Compiling libz-sys v1.1.20 [INFO] [stderr] Compiling libgit2-sys v0.18.0+1.9.0 [INFO] [stderr] Compiling ctrlc v3.4.5 [INFO] [stderr] Compiling backtrace v0.3.74 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling zerofrom-derive v0.1.5 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling thiserror-impl v2.0.11 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling clap_derive v4.5.24 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling zerofrom v0.1.5 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling pest v2.7.15 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling clap v4.5.27 [INFO] [stderr] Compiling clap_complete v4.5.43 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling derive_builder_core v0.20.2 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling dialoguer v0.11.0 [INFO] [stderr] Compiling convco v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling derive_builder_macro v0.20.2 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling derive_builder v0.20.2 [INFO] [stderr] Compiling pest_meta v2.7.15 [INFO] [stderr] error: failed to run custom build command for `convco v0.6.2 (/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/convco-11db682576a5d5a8/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (2026) panicked at build.rs:13:33: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x61b0bef9b142 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x61b0bef9b142 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x61b0bef9b142 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x61b0bef9b142 - ::fmt::hffd20ad4e5eca8ab [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x61b0befaa84f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x61b0befaa84f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x61b0bef79443 - std::io::default_write_fmt::ha7130bf70117e1da [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x61b0bef79443 - std::io::Write::write_fmt::h22459ad26fe60c51 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x61b0bef7e722 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x61b0bef801ec - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x61b0bef80046 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x61b0bef807c5 - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x61b0bef8065a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x61b0bef7e859 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x61b0bef6d8ed - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x61b0befadf50 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x61b0befad516 - core::result::unwrap_failed::hf926a4254073b4aa [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/result.rs:1852:5 [INFO] [stderr] 17: 0x61b0beead7b3 - build_script_build::main::hea50f9e1c637cdfe [INFO] [stderr] 18: 0x61b0beec0103 - core::ops::function::FnOnce::call_once::h6e19a0f17d9d061c [INFO] [stderr] 19: 0x61b0beebfe26 - std::sys::backtrace::__rust_begin_short_backtrace::hc254a2954495024d [INFO] [stderr] 20: 0x61b0beebfd49 - std::rt::lang_start::{{closure}}::hb2f7a40d21f18a2f [INFO] [stderr] 21: 0x61b0bef7a6d0 - core::ops::function::impls:: for &F>::call_once::hcc75fa61d21ecbe5 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 22: 0x61b0bef7a6d0 - std::panicking::catch_unwind::do_call::h38c051a071ca3bc0 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x61b0bef7a6d0 - std::panicking::catch_unwind::hede2a2f6f4519f78 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x61b0bef7a6d0 - std::panic::catch_unwind::h94765a19f52c0a43 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x61b0bef7a6d0 - std::rt::lang_start_internal::{{closure}}::hb89c21d557706591 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x61b0bef7a6d0 - std::panicking::catch_unwind::do_call::h50685f05733aeeef [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x61b0bef7a6d0 - std::panicking::catch_unwind::hf9ba9716b02e6738 [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x61b0bef7a6d0 - std::panic::catch_unwind::h29770e281302b24d [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x61b0bef7a6d0 - std::rt::lang_start_internal::hd5573b1f5f705a2a [INFO] [stderr] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x61b0beebfd31 - std::rt::lang_start::hd437f1fadfab638c [INFO] [stderr] 31: 0x61b0beebbf95 - main [INFO] [stderr] 32: 0x75ddad8431ca - [INFO] [stderr] 33: 0x75ddad84328b - __libc_start_main [INFO] [stderr] 34: 0x61b0beead505 - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "35a228e4d388e8b5fc4694abdeaf6ecee1bb5c5c284549dd22740ec6188e96c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a228e4d388e8b5fc4694abdeaf6ecee1bb5c5c284549dd22740ec6188e96c3", kill_on_drop: false }` [INFO] [stdout] 35a228e4d388e8b5fc4694abdeaf6ecee1bb5c5c284549dd22740ec6188e96c3