[INFO] fetching crate explain 0.1.0... [INFO] testing explain-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate explain 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate explain 0.1.0 [INFO] finished tweaking crates.io crate explain 0.1.0 [INFO] tweaked toml for crates.io crate explain 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate explain 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate explain 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded unicase v1.4.2 [INFO] [stderr] Downloaded state v0.4.2 [INFO] [stderr] Downloaded devise_codegen v0.2.0 [INFO] [stderr] Downloaded traitobject v0.1.0 [INFO] [stderr] Downloaded pear_codegen v0.1.4 [INFO] [stderr] Downloaded devise v0.2.0 [INFO] [stderr] Downloaded block-cipher-trait v0.6.2 [INFO] [stderr] Downloaded ghash v0.2.3 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded smallvec v1.4.2 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded notify v4.0.15 [INFO] [stderr] Downloaded aesni v0.6.0 [INFO] [stderr] Downloaded hyper v0.10.16 [INFO] [stderr] Downloaded aes v0.3.2 [INFO] [stderr] Downloaded aes-gcm v0.5.0 [INFO] [stderr] Downloaded syn v1.0.48 [INFO] [stderr] Downloaded rocket v0.4.5 [INFO] [stderr] Downloaded rocket_codegen v0.4.5 [INFO] [stderr] Downloaded aes-soft v0.3.3 [INFO] [stderr] Downloaded rocket_http v0.4.5 [INFO] [stderr] Downloaded walkdir v2.3.1 [INFO] [stderr] Downloaded zeroize v1.1.1 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] [stderr] Downloaded cookie v0.11.3 [INFO] [stderr] Downloaded base64 v0.9.3 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded inotify-sys v0.1.3 [INFO] [stderr] Downloaded mio-extras v2.0.6 [INFO] [stderr] Downloaded devise_core v0.2.0 [INFO] [stderr] Downloaded subtle v2.3.0 [INFO] [stderr] Downloaded hkdf v0.8.0 [INFO] [stderr] Downloaded crypto-mac v0.7.0 [INFO] [stderr] Downloaded hmac v0.7.1 [INFO] [stderr] Downloaded typenum v1.12.0 [INFO] [stderr] Downloaded toml v0.4.10 [INFO] [stderr] Downloaded language-tags v0.2.2 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded mime v0.2.6 [INFO] [stderr] Downloaded typeable v0.1.2 [INFO] [stderr] Downloaded universal-hash v0.3.0 [INFO] [stderr] Downloaded polyval v0.3.3 [INFO] [stderr] Downloaded subtle v1.0.0 [INFO] [stderr] Downloaded pear v0.1.4 [INFO] [stderr] Downloaded rocket_contrib v0.4.5 [INFO] [stderr] Downloaded yansi v0.5.0 [INFO] [stderr] Downloaded aead v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50e962df57b7dde5d64a2aecceac0374e9a9971d9a2887ab1d36a0ce43e90a9c [INFO] running `Command { std: "docker" "start" "-a" "50e962df57b7dde5d64a2aecceac0374e9a9971d9a2887ab1d36a0ce43e90a9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50e962df57b7dde5d64a2aecceac0374e9a9971d9a2887ab1d36a0ce43e90a9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e962df57b7dde5d64a2aecceac0374e9a9971d9a2887ab1d36a0ce43e90a9c", kill_on_drop: false }` [INFO] [stdout] 50e962df57b7dde5d64a2aecceac0374e9a9971d9a2887ab1d36a0ce43e90a9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1daa1c75d9f79d8a99b8e51f40e224fa48edbe7a77182dc6f88386523d32d683 [INFO] running `Command { std: "docker" "start" "-a" "1daa1c75d9f79d8a99b8e51f40e224fa48edbe7a77182dc6f88386523d32d683", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling zeroize v1.1.1 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.4` [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/pear_codegen-5b7f599870f980fd/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a 'dev' or 'nightly' version of rustc. [INFO] [stderr] Installed version: 1.90.0 (2025-09-14) [INFO] [stderr] Minimum required: 1.31.0-nightly (2018-10-05) [INFO] [stderr] [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pear_codegen-0.1.4/build.rs:24:13: [INFO] [stderr] Aborting compilation due to incompatible compiler. [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x644cbaee86e2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x644cbaee86e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x644cbaee86e2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x644cbaee86e2 - ::fmt::hdcfcb6d4c8489523 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x644cbaf08043 - core::fmt::rt::Argument::fmt::h2c56b3114963061a [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x644cbaf08043 - core::fmt::write::h8a494366950f23bb [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x644cbaee5fc3 - std::io::default_write_fmt::ha27fbccbc65eb6fa [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x644cbaee5fc3 - std::io::Write::write_fmt::h6556609fca33d0b1 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x644cbaee8532 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x644cbaee95d3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27 [INFO] [stderr] 10: 0x644cbaee93b5 - std::panicking::default_hook::h2c66fc99e962531d [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9 [INFO] [stderr] 11: 0x644cbaee9fa5 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13 [INFO] [stderr] 12: 0x644cbaee9e7c - std::panicking::begin_panic::{{closure}}::h9f4a5adc680e21fa [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:770:9 [INFO] [stderr] 13: 0x644cbaee8bd9 - std::sys::backtrace::__rust_end_short_backtrace::hb5f90b203e68dc50 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x644cbaee9d92 - std::panicking::begin_panic::h5128ce11a6f84a23 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:769:5 [INFO] [stderr] 15: 0x644cbaeb271f - build_script_build::main::hbc59639b4cf33d15 [INFO] [stderr] 16: 0x644cbaeaf6d3 - core::ops::function::FnOnce::call_once::haeb1c204d2832ee2 [INFO] [stderr] 17: 0x644cbaeaf446 - std::sys::backtrace::__rust_begin_short_backtrace::h09d3cd81dcedec93 [INFO] [stderr] 18: 0x644cbaeaf429 - std::rt::lang_start::{{closure}}::he577a67cf0fcba21 [INFO] [stderr] 19: 0x644cbaee2650 - core::ops::function::impls:: for &F>::call_once::h638295a043b40957 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21 [INFO] [stderr] 20: 0x644cbaee2650 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stderr] 21: 0x644cbaee2650 - std::panicking::catch_unwind::h50591d85bf847c7c [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stderr] 22: 0x644cbaee2650 - std::panic::catch_unwind::h2487b4c4f2ae22c6 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stderr] 23: 0x644cbaee2650 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24 [INFO] [stderr] 24: 0x644cbaee2650 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40 [INFO] [stderr] 25: 0x644cbaee2650 - std::panicking::catch_unwind::hf9a822ea043fb0d6 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19 [INFO] [stderr] 26: 0x644cbaee2650 - std::panic::catch_unwind::h5b3cac802237ed89 [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x644cbaee2650 - std::rt::lang_start_internal::h34f9328d113fd60a [INFO] [stderr] at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5 [INFO] [stderr] 28: 0x644cbaeaf411 - std::rt::lang_start::h37e9b802d06794d5 [INFO] [stderr] 29: 0x644cbaeb2b65 - main [INFO] [stderr] 30: 0x7368f27cd1ca - [INFO] [stderr] 31: 0x7368f27cd28b - __libc_start_main [INFO] [stderr] 32: 0x644cbaeaf105 - _start [INFO] [stderr] 33: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1daa1c75d9f79d8a99b8e51f40e224fa48edbe7a77182dc6f88386523d32d683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1daa1c75d9f79d8a99b8e51f40e224fa48edbe7a77182dc6f88386523d32d683", kill_on_drop: false }` [INFO] [stdout] 1daa1c75d9f79d8a99b8e51f40e224fa48edbe7a77182dc6f88386523d32d683