[INFO] fetching crate mdblog 0.19.0... [INFO] testing mdblog-0.19.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate mdblog 0.19.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate mdblog 0.19.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mdblog 0.19.0 [INFO] finished tweaking crates.io crate mdblog 0.19.0 [INFO] tweaked toml for crates.io crate mdblog 0.19.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate mdblog 0.19.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unic-common v0.9.0 [INFO] [stderr] Downloaded tera v1.12.1 [INFO] [stderr] Downloaded unic-char-range v0.9.0 [INFO] [stderr] Downloaded unic-ucd-version v0.9.0 [INFO] [stderr] Downloaded unic-ucd-segment v0.9.0 [INFO] [stderr] Downloaded ignore v0.4.18 [INFO] [stderr] Downloaded shellexpand v2.1.0 [INFO] [stderr] Downloaded parse-zoneinfo v0.3.0 [INFO] [stderr] Downloaded crypto-mac v0.10.1 [INFO] [stderr] Downloaded subtle v2.4.1 [INFO] [stderr] Downloaded hkdf v0.10.0 [INFO] [stderr] Downloaded cipher v0.2.5 [INFO] [stderr] Downloaded derive_more v0.99.16 [INFO] [stderr] Downloaded aes v0.6.0 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.4 [INFO] [stderr] Downloaded hmac v0.10.1 [INFO] [stderr] Downloaded convert_case v0.4.0 [INFO] [stderr] Downloaded smallvec v1.6.1 [INFO] [stderr] Downloaded globset v0.4.8 [INFO] [stderr] Downloaded devise_core v0.2.0 [INFO] [stderr] Downloaded devise v0.2.0 [INFO] [stderr] Downloaded cookie v0.11.4 [INFO] [stderr] Downloaded ctr v0.6.0 [INFO] [stderr] Downloaded pear_codegen v0.1.4 [INFO] [stderr] Downloaded slug v0.1.4 [INFO] [stderr] Downloaded redox_users v0.4.0 [INFO] [stderr] Downloaded universal-hash v0.4.1 [INFO] [stderr] Downloaded os_str_bytes v3.1.0 [INFO] [stderr] Downloaded textwrap v0.14.2 [INFO] [stderr] Downloaded aes-gcm v0.8.0 [INFO] [stderr] Downloaded yansi v0.5.0 [INFO] [stderr] Downloaded bstr v0.2.16 [INFO] [stderr] Downloaded open v2.0.1 [INFO] [stderr] Downloaded config v0.11.0 [INFO] [stderr] Downloaded rust-ini v0.13.0 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded rustc_version v0.3.3 [INFO] [stderr] Downloaded sha2 v0.9.6 [INFO] [stderr] Downloaded lexical-core v0.7.6 [INFO] [stderr] Downloaded clap v3.0.0-beta.4 [INFO] [stderr] Downloaded aesni v0.10.0 [INFO] [stderr] Downloaded cpuid-bool v0.2.0 [INFO] [stderr] Downloaded aes-soft v0.6.4 [INFO] [stderr] Downloaded toml v0.4.10 [INFO] [stderr] Downloaded serde v0.8.23 [INFO] [stderr] Downloaded chrono-tz v0.5.3 [INFO] [stderr] Downloaded rocket_http v0.4.10 [INFO] [stderr] Downloaded devise_codegen v0.2.0 [INFO] [stderr] Downloaded serde-hjson v0.9.1 [INFO] [stderr] Downloaded aead v0.3.2 [INFO] [stderr] Downloaded polyval v0.4.5 [INFO] [stderr] Downloaded ghash v0.3.1 [INFO] [stderr] Downloaded deunicode v0.4.3 [INFO] [stderr] Downloaded globwalk v0.8.1 [INFO] [stderr] Downloaded humansize v1.1.1 [INFO] [stderr] Downloaded unic-char-property v0.9.0 [INFO] [stderr] Downloaded state v0.4.2 [INFO] [stderr] Downloaded rocket v0.4.10 [INFO] [stderr] Downloaded rocket_contrib v0.4.10 [INFO] [stderr] Downloaded rocket_codegen v0.4.10 [INFO] [stderr] Downloaded pear v0.1.4 [INFO] [stderr] Downloaded dirs-sys-next v0.1.2 [INFO] [stderr] Downloaded unic-segment v0.9.0 [INFO] [stderr] Downloaded dirs-next v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 075d831425efe4ea49c68bbde6a0cdcf0500a19ebbbf816e14d2a5a2d8da0053 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "075d831425efe4ea49c68bbde6a0cdcf0500a19ebbbf816e14d2a5a2d8da0053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "075d831425efe4ea49c68bbde6a0cdcf0500a19ebbbf816e14d2a5a2d8da0053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "075d831425efe4ea49c68bbde6a0cdcf0500a19ebbbf816e14d2a5a2d8da0053", kill_on_drop: false }` [INFO] [stdout] 075d831425efe4ea49c68bbde6a0cdcf0500a19ebbbf816e14d2a5a2d8da0053 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75203d8db7f0e8596b5bc0d60cbe5a462864f31f970c876a0b18cc545e740ec4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "75203d8db7f0e8596b5bc0d60cbe5a462864f31f970c876a0b18cc545e740ec4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling state v0.4.2 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling humansize v1.1.1 [INFO] [stderr] Compiling open v2.0.1 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling cipher v0.2.5 [INFO] [stderr] Compiling universal-hash v0.4.1 [INFO] [stderr] Compiling aead v0.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling parse-zoneinfo v0.3.0 [INFO] [stderr] Compiling globset v0.4.8 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling derive_more v0.99.16 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling sha2 v0.9.6 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling shellexpand v2.1.0 [INFO] [stderr] Compiling polyval v0.4.5 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling aes-soft v0.6.4 [INFO] [stderr] Compiling ctr v0.6.0 [INFO] [stderr] Compiling hkdf v0.10.0 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.10 [INFO] [stderr] Compiling rocket v0.4.10 [INFO] [stderr] Compiling ghash v0.3.1 [INFO] [stderr] Compiling unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling aes v0.6.0 [INFO] [stderr] Compiling ignore v0.4.18 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling aes-gcm v0.8.0 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-cf4d850bc41a8a26/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: 1.56.0 (2021-09-07) [INFO] [stderr] Minimum required: 1.31.0-nightly (2018-10-05) [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557dc2b4f3dc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x557dc2b4f3dc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557dc2b4f3dc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557dc2b4f3dc - ::fmt::h9a78218788c14e18 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557dc2b6cfec - core::fmt::write::h3381b3176fe2b3d3 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17 [INFO] [stderr] 5: 0x557dc2b4c875 - std::io::Write::write_fmt::h1d5220480c7a2437 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x557dc2b50ad0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557dc2b50ad0 - std::sys_common::backtrace::print::hb170c60b542377ad [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557dc2b50ad0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x557dc2b50687 - std::panicking::default_hook::h8c6c66d3f3ba6768 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x557dc2b51184 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x557dc2b190fe - std::panicking::begin_panic::{{closure}}::h4bf746e0a456a7b7 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:544:9 [INFO] [stderr] 12: 0x557dc2b18d58 - std::sys_common::backtrace::__rust_end_short_backtrace::h8450dd6d89089d74 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x557dc2b1903f - std::panicking::begin_panic::h3e14622abdf05e99 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:543:12 [INFO] [stderr] 14: 0x557dc2b1a27f - build_script_build::main::hccfab107918a59f3 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] 15: 0x557dc2b18adb - core::ops::function::FnOnce::call_once::hb0427bb20f86097d [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x557dc2b18d9e - std::sys_common::backtrace::__rust_begin_short_backtrace::h78b53f6118625382 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x557dc2b18981 - std::rt::lang_start::{{closure}}::hb3212b88aadefae8 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x557dc2b5168a - core::ops::function::impls:: for &F>::call_once::hc590b210ed55e22f [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x557dc2b5168a - std::panicking::try::do_call::h5f0600b7a33ea1af [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stderr] 20: 0x557dc2b5168a - std::panicking::try::he15826df0f376a33 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stderr] 21: 0x557dc2b5168a - std::panic::catch_unwind::hd8af3a578b6b4c86 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stderr] 22: 0x557dc2b5168a - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x557dc2b5168a - std::panicking::try::do_call::h941e8fdb0bd03655 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40 [INFO] [stderr] 24: 0x557dc2b5168a - std::panicking::try::ha20a77bf65530f63 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19 [INFO] [stderr] 25: 0x557dc2b5168a - std::panic::catch_unwind::h33afc061cc69ef90 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14 [INFO] [stderr] 26: 0x557dc2b5168a - std::rt::lang_start_internal::hc05c244593147106 [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x557dc2b18950 - std::rt::lang_start::h5544f90380434b0d [INFO] [stderr] at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x557dc2b1a8bc - main [INFO] [stderr] 29: 0x7f56e3a920b3 - __libc_start_main [INFO] [stderr] 30: 0x557dc2b1792e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "75203d8db7f0e8596b5bc0d60cbe5a462864f31f970c876a0b18cc545e740ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75203d8db7f0e8596b5bc0d60cbe5a462864f31f970c876a0b18cc545e740ec4", kill_on_drop: false }` [INFO] [stdout] 75203d8db7f0e8596b5bc0d60cbe5a462864f31f970c876a0b18cc545e740ec4