[INFO] fetching crate convco 0.6.2...
[INFO] testing convco-0.6.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate convco 0.6.2 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate convco 0.6.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb999a8dfec03d10dc61ae02264305aa261a6a3d710c0c97e2e043e68ac18e1
[INFO] running `Command { std: "docker" "start" "-a" "5eb999a8dfec03d10dc61ae02264305aa261a6a3d710c0c97e2e043e68ac18e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb999a8dfec03d10dc61ae02264305aa261a6a3d710c0c97e2e043e68ac18e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb999a8dfec03d10dc61ae02264305aa261a6a3d710c0c97e2e043e68ac18e1", kill_on_drop: false }`
[INFO] [stdout] 5eb999a8dfec03d10dc61ae02264305aa261a6a3d710c0c97e2e043e68ac18e1
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4763db9d2d118988b64da3ed99b12080763b1c4cdeb298232fb25c562eaf7108
[INFO] running `Command { std: "docker" "start" "-a" "4763db9d2d118988b64da3ed99b12080763b1c4cdeb298232fb25c562eaf7108", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling clap_builder v4.5.27
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling unsafe-libyaml-norway v0.2.15
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling console v0.15.10
[INFO] [stderr]    Compiling libgit2-sys v0.18.0+1.9.0
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling addr2line v0.24.2
[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 serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling dialoguer v0.11.0
[INFO] [stderr]    Compiling clap v4.5.27
[INFO] [stderr]    Compiling clap_complete v4.5.43
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling convco v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[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' (1775) 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:     0x57ab61d92dc2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57ab61d92dc2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57ab61d92dc2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57ab61d92dc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57ab61da21ef - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57ab61da21ef - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x57ab61d715a3 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57ab61d715a3 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57ab61d767b2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57ab61d7823c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x57ab61d78096 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x57ab61d78815 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x57ab61d786aa - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x57ab61d768e9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57ab61d65a0d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x57ab61da5970 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x57ab61da4ef6 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x57ab61cb8a43 - build_script_build::main::hd54d2c13faa5b69a
[INFO] [stderr]     18:     0x57ab61cb5823 - core::ops::function::FnOnce::call_once::h740c76ef37c074fd
[INFO] [stderr]     19:     0x57ab61cae3d6 - std::sys::backtrace::__rust_begin_short_backtrace::h92f71fa973179a14
[INFO] [stderr]     20:     0x57ab61cb4d09 - std::rt::lang_start::{{closure}}::h349f04afeb23db92
[INFO] [stderr]     21:     0x57ab61d72750 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x57ab61d72750 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x57ab61d72750 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x57ab61d72750 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57ab61d72750 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x57ab61d72750 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x57ab61d72750 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x57ab61d72750 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57ab61d72750 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57ab61cb4cf1 - std::rt::lang_start::h6eb5cff9afe51b28
[INFO] [stderr]     31:     0x57ab61cc7225 - main
[INFO] [stderr]     32:     0x738851a351ca - <unknown>
[INFO] [stderr]     33:     0x738851a3528b - __libc_start_main
[INFO] [stderr]     34:     0x57ab61cab1c5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4763db9d2d118988b64da3ed99b12080763b1c4cdeb298232fb25c562eaf7108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4763db9d2d118988b64da3ed99b12080763b1c4cdeb298232fb25c562eaf7108", kill_on_drop: false }`
[INFO] [stdout] 4763db9d2d118988b64da3ed99b12080763b1c4cdeb298232fb25c562eaf7108
