[INFO] cloning repository https://github.com/fragrans/ice_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fragrans/ice_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragrans%2Fice_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragrans%2Fice_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15133c3ececa0091dcf8107068532439adfafbe4
[INFO] documenting fragrans/ice_2020 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragrans%2Fice_2020" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fragrans/ice_2020 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fragrans/ice_2020
[INFO] finished tweaking git repo https://github.com/fragrans/ice_2020
[INFO] tweaked toml for git repo https://github.com/fragrans/ice_2020 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fragrans/ice_2020 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libappindicator-sys v0.4.0
[INFO] [stderr]   Downloaded gio v0.8.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.5
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.8.0
[INFO] [stderr]   Downloaded atk-sys v0.9.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.2
[INFO] [stderr]   Downloaded gobject-sys v0.9.1
[INFO] [stderr]   Downloaded pango-sys v0.9.1
[INFO] [stderr]   Downloaded atk v0.8.0
[INFO] [stderr]   Downloaded cairo-rs v0.8.1
[INFO] [stderr]   Downloaded gdk v0.12.1
[INFO] [stderr]   Downloaded systray v0.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.54
[INFO] [stderr]   Downloaded glib v0.9.3
[INFO] [stderr]   Downloaded gtk v0.8.1
[INFO] [stderr]   Downloaded gtk-sys v0.9.2
[INFO] [stderr]   Downloaded gdk-sys v0.9.1
[INFO] [stderr]   Downloaded gio-sys v0.9.1
[INFO] [stderr]   Downloaded glib-sys v0.9.1
[INFO] [stderr]   Downloaded pango v0.8.0
[INFO] [stderr]   Downloaded libappindicator v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ecb90a6bd7b9be59d7eb70416815849f3422e6e9e4e9db6fff2d6da21854e07
[INFO] running `Command { std: "docker" "start" "-a" "9ecb90a6bd7b9be59d7eb70416815849f3422e6e9e4e9db6fff2d6da21854e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ecb90a6bd7b9be59d7eb70416815849f3422e6e9e4e9db6fff2d6da21854e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ecb90a6bd7b9be59d7eb70416815849f3422e6e9e4e9db6fff2d6da21854e07", kill_on_drop: false }`
[INFO] [stdout] 9ecb90a6bd7b9be59d7eb70416815849f3422e6e9e4e9db6fff2d6da21854e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 456c05751a37b6658c1c821e2c79b26aa948eddfd95909021ab5755da524e077
[INFO] running `Command { std: "docker" "start" "-a" "456c05751a37b6658c1c821e2c79b26aa948eddfd95909021ab5755da524e077", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2`
[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-9e39dbe0f62c7088/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [37mPear requires a nightly or dev version of Rust.[0m
[INFO] [stderr]   [37mInstalled version is:[0m [33m1.70.0-beta.1 (2023-04-19)[0m. [37mMinimum required:[0m [33m1.31.0-nightly (2018-10-05)[0m.
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pear_codegen-0.1.2/build.rs:31:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d1e18f636a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55d1e18f636a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d1e18f636a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55d1e18f636a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d1e1913f6f - core::fmt::write::h78109e6f466b3af6
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stderr]      5:     0x55d1e18f3c75 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stderr]      6:     0x55d1e18f6135 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x55d1e18f6135 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x55d1e18f76be - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stderr]      9:     0x55d1e18f7465 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stderr]     10:     0x55d1e18f7c1e - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stderr]     11:     0x55d1e18c7fe6 - std::panicking::begin_panic::{{closure}}::h4272550fee6a59dc
[INFO] [stderr]     12:     0x55d1e18c7e86 - std::sys_common::backtrace::__rust_end_short_backtrace::hc88da48295b2a457
[INFO] [stderr]     13:     0x55d1e18c7f37 - std::panicking::begin_panic::hec0f003bfc569a0e
[INFO] [stderr]     14:     0x55d1e18c7306 - build_script_build::main::h72fdaf5a1b5fe1ce
[INFO] [stderr]     15:     0x55d1e18c8a73 - core::ops::function::FnOnce::call_once::h2ffbc33f89cf3c5c
[INFO] [stderr]     16:     0x55d1e18c7e96 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc17069e6721709d1
[INFO] [stderr]     17:     0x55d1e18c89b9 - std::rt::lang_start::{{closure}}::he1d7ea7e6668d642
[INFO] [stderr]     18:     0x55d1e18f0e8e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stderr]     19:     0x55d1e18f0e8e - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]     20:     0x55d1e18f0e8e - std::panicking::try::h8854836cb85aa9f2
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]     21:     0x55d1e18f0e8e - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]     22:     0x55d1e18f0e8e - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stderr]     23:     0x55d1e18f0e8e - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stderr]     24:     0x55d1e18f0e8e - std::panicking::try::h399a918ba8522823
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stderr]     25:     0x55d1e18f0e8e - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stderr]     26:     0x55d1e18f0e8e - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stderr]                                  at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stderr]     27:     0x55d1e18c8997 - std::rt::lang_start::h33416a8270ed8851
[INFO] [stderr]     28:     0x55d1e18c7ce5 - main
[INFO] [stderr]     29:     0x7f2bcb5ddd90 - <unknown>
[INFO] [stderr]     30:     0x7f2bcb5dde40 - __libc_start_main
[INFO] [stderr]     31:     0x55d1e18c68b5 - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "456c05751a37b6658c1c821e2c79b26aa948eddfd95909021ab5755da524e077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456c05751a37b6658c1c821e2c79b26aa948eddfd95909021ab5755da524e077", kill_on_drop: false }`
[INFO] [stdout] 456c05751a37b6658c1c821e2c79b26aa948eddfd95909021ab5755da524e077
