[INFO] fetching crate duguo 0.1.0...
[INFO] documenting duguo-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate duguo 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate duguo 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duguo 0.1.0
[INFO] finished tweaking crates.io crate duguo 0.1.0
[INFO] tweaked toml for crates.io crate duguo 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate duguo 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded state v0.4.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec6dc4e36fddfe1bc7cf41936c176cd81ba1f5206b9087d078e5d3829e8de85c
[INFO] running `Command { std: "docker" "start" "-a" "ec6dc4e36fddfe1bc7cf41936c176cd81ba1f5206b9087d078e5d3829e8de85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec6dc4e36fddfe1bc7cf41936c176cd81ba1f5206b9087d078e5d3829e8de85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6dc4e36fddfe1bc7cf41936c176cd81ba1f5206b9087d078e5d3829e8de85c", kill_on_drop: false }`
[INFO] [stdout] ec6dc4e36fddfe1bc7cf41936c176cd81ba1f5206b9087d078e5d3829e8de85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2ab9f9382e6b91edbe5589122cceba1fc13f90bfaf8b04cc19c32afd47f68cb
[INFO] running `Command { std: "docker" "start" "-a" "f2ab9f9382e6b91edbe5589122cceba1fc13f90bfaf8b04cc19c32afd47f68cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking event-listener v2.5.1
[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-ba4a330e61e97acb/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: 1.76.0 (2024-02-04)
[INFO] [stderr]   Minimum required:  1.31.0-nightly (2018-10-05)
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pear_codegen-0.1.4/build.rs:24:13:
[INFO] [stderr]   Aborting compilation due to incompatible compiler.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d195609846 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55d195609846 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d195609846 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55d195609846 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d19562c0c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55d19562c0c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55d19560787f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55d195609624 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55d195609624 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55d19560ab87 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stderr]     10:     0x55d19560a8e9 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55d19560b018 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55d1955d6bee - std::panicking::begin_panic::{{closure}}::hbc968b29b1865b9c
[INFO] [stderr]     13:     0x55d1955d6ad6 - std::sys_common::backtrace::__rust_end_short_backtrace::h4c3df4df04e773e0
[INFO] [stderr]     14:     0x55d1955d6b77 - std::panicking::begin_panic::h1126d044729f67b0
[INFO] [stderr]     15:     0x55d1955d9dfc - build_script_build::main::ha23a862d9fb0eb5a
[INFO] [stderr]     16:     0x55d1955d6d93 - core::ops::function::FnOnce::call_once::hbdfc3936587025d2
[INFO] [stderr]     17:     0x55d1955d6ae6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h51b4f592fa43310a
[INFO] [stderr]     18:     0x55d1955d6b39 - std::rt::lang_start::{{closure}}::hd4c54cf2ba565595
[INFO] [stderr]     19:     0x55d195604031 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     20:     0x55d195604031 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     21:     0x55d195604031 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     22:     0x55d195604031 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     23:     0x55d195604031 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stderr]     24:     0x55d195604031 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     25:     0x55d195604031 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     26:     0x55d195604031 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55d195604031 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stderr]     28:     0x55d1955d6b17 - std::rt::lang_start::h01e8cd91e5b4bd5a
[INFO] [stderr]     29:     0x55d1955da325 - main
[INFO] [stderr]     30:     0x7f203badad90 - <unknown>
[INFO] [stderr]     31:     0x7f203badae40 - __libc_start_main
[INFO] [stderr]     32:     0x55d1955d6925 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f2ab9f9382e6b91edbe5589122cceba1fc13f90bfaf8b04cc19c32afd47f68cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ab9f9382e6b91edbe5589122cceba1fc13f90bfaf8b04cc19c32afd47f68cb", kill_on_drop: false }`
[INFO] [stdout] f2ab9f9382e6b91edbe5589122cceba1fc13f90bfaf8b04cc19c32afd47f68cb
