[INFO] cloning repository https://github.com/mkroman/meta-title_fetcher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkroman/meta-title_fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4860db9c645f351978b0d0fc07e934cfb11c3c3b [INFO] testing mkroman/meta-title_fetcher against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fmeta-title_fetcher" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mkroman/meta-title_fetcher on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mkroman/meta-title_fetcher [INFO] finished tweaking git repo https://github.com/mkroman/meta-title_fetcher [INFO] tweaked toml for git repo https://github.com/mkroman/meta-title_fetcher written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mkroman/meta-title_fetcher already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.1.16 [INFO] [stderr] Downloaded rocket_contrib v0.4.5 [INFO] [stderr] Downloaded rocket_http v0.4.5 [INFO] [stderr] Downloaded filetime v0.2.12 [INFO] [stderr] Downloaded rocket_codegen v0.4.5 [INFO] [stderr] Downloaded rocket v0.4.5 [INFO] [stderr] Downloaded openssl-src v111.10.2+1.1.1g [INFO] [stderr] Downloaded async-compression v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba3af9fd5f6248e1c5b61f51cfa64fe05581be34d83f5a1b948f3d46a6ca50c6 [INFO] running `Command { std: "docker" "start" "-a" "ba3af9fd5f6248e1c5b61f51cfa64fe05581be34d83f5a1b948f3d46a6ca50c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba3af9fd5f6248e1c5b61f51cfa64fe05581be34d83f5a1b948f3d46a6ca50c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba3af9fd5f6248e1c5b61f51cfa64fe05581be34d83f5a1b948f3d46a6ca50c6", kill_on_drop: false }` [INFO] [stdout] ba3af9fd5f6248e1c5b61f51cfa64fe05581be34d83f5a1b948f3d46a6ca50c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5704725598ac64da95924daee0e4b9745ab6d113b44bfe2d2dd58f0064bf61c1 [INFO] running `Command { std: "docker" "start" "-a" "5704725598ac64da95924daee0e4b9745ab6d113b44bfe2d2dd58f0064bf61c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling proc-macro2 v1.0.21 [INFO] [stderr] Compiling syn v1.0.41 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling subtle v2.3.0 [INFO] [stderr] Compiling hashbrown v0.9.0 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling zeroize v1.1.1 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling thin-slice v0.1.1 [INFO] [stderr] Compiling ego-tree v0.6.2 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling miniz_oxide v0.4.2 [INFO] [stderr] Compiling tracing-core v0.1.16 [INFO] [stderr] Compiling futf v0.1.4 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling dtoa-short v0.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling pear_codegen v0.1.4 [INFO] [stderr] Compiling rocket_codegen v0.4.5 [INFO] [stderr] Compiling rocket v0.4.5 [INFO] [stderr] Compiling servo_arc v0.1.1 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling tendril v0.4.1 [INFO] [stderr] Compiling block-cipher-trait v0.6.2 [INFO] [stderr] Compiling universal-hash v0.3.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling aead v0.2.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling openssl-src v111.10.2+1.1.1g [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling polyval v0.3.3 [INFO] [stderr] Compiling aes-soft v0.3.3 [INFO] [stderr] Compiling hmac v0.7.1 [INFO] [stderr] Compiling sha2 v0.8.2 [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-37e8c0e79d8aeccd/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: 1.55.0 (2021-09-06) [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: 0x56349d2fd660 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x56349d2fd660 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56349d2fd660 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56349d2fd660 - ::fmt::he1640d5f0d93f618 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56349d31a63c - core::fmt::write::h88012e1f01caeebf [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x56349d2fb3d5 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x56349d2ff29b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56349d2ff29b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56349d2ff29b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56349d2fed71 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56349d2ff964 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x56349d2cf53f - std::panicking::begin_panic::{{closure}}::h27e89324563ba50d [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:542:9 [INFO] [stderr] 12: 0x56349d2cf728 - std::sys_common::backtrace::__rust_end_short_backtrace::hf30cddd1f11e1708 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x56349d2cf485 - std::panicking::begin_panic::h3488c8ac0fc56c24 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:541:12 [INFO] [stderr] 14: 0x56349d2ce70d - build_script_build::main::h495b813247fa12f9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.4/build.rs:24:13 [INFO] [stderr] 15: 0x56349d2cf16b - core::ops::function::FnOnce::call_once::h85578f5af53d8250 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x56349d2cf76e - std::sys_common::backtrace::__rust_begin_short_backtrace::h7df3c3d7a3b2b51d [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x56349d2cf001 - std::rt::lang_start::{{closure}}::h599812258cad689a [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x56349d2ffe6a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x56349d2ffe6a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 20: 0x56349d2ffe6a - std::panicking::try::hddc7f8229138b3ba [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 21: 0x56349d2ffe6a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 22: 0x56349d2ffe6a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x56349d2ffe6a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x56349d2ffe6a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x56349d2ffe6a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x56349d2ffe6a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x56349d2cefd0 - std::rt::lang_start::h09f5c54b512a41f9 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x56349d2ced0c - main [INFO] [stderr] 29: 0x7f57941de0b3 - __libc_start_main [INFO] [stderr] 30: 0x56349d2cd93e - _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" "5704725598ac64da95924daee0e4b9745ab6d113b44bfe2d2dd58f0064bf61c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5704725598ac64da95924daee0e4b9745ab6d113b44bfe2d2dd58f0064bf61c1", kill_on_drop: false }` [INFO] [stdout] 5704725598ac64da95924daee0e4b9745ab6d113b44bfe2d2dd58f0064bf61c1