[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 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::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::<impl core::ops::function::FnOnce<A> 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 - <unknown>
[INFO] [stderr]     31:     0x7368f27cd28b - __libc_start_main
[INFO] [stderr]     32:     0x644cbaeaf105 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[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
