[INFO] cloning repository https://github.com/jsinger67/json_parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsinger67/json_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fjson_parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fjson_parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4e6d6eca82609b65ca6d6c672c5bf89544b4cd5 [INFO] testing jsinger67/json_parser against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fjson_parser" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jsinger67/json_parser [INFO] finished tweaking git repo https://github.com/jsinger67/json_parser [INFO] tweaked toml for git repo https://github.com/jsinger67/json_parser written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jsinger67/json_parser on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jsinger67/json_parser 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded owo-colors v3.3.0 [INFO] [stderr] Downloaded supports-color v1.3.0 [INFO] [stderr] Downloaded backtrace v0.3.63 [INFO] [stderr] Downloaded darling_core v0.12.4 [INFO] [stderr] Downloaded clap_derive v3.1.4 [INFO] [stderr] Downloaded serde v1.0.133 [INFO] [stderr] Downloaded darling_macro v0.12.4 [INFO] [stderr] Downloaded derive_builder_core v0.11.1 [INFO] [stderr] Downloaded parol v0.6.1 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded syn v0.10.8 [INFO] [stderr] Downloaded derive_builder v0.11.1 [INFO] [stderr] Downloaded nom v2.2.1 [INFO] [stderr] Downloaded id_tree_layout v2.0.3 [INFO] [stderr] Downloaded clap v3.1.6 [INFO] [stderr] Downloaded unicode-linebreak v0.1.2 [INFO] [stderr] Downloaded xml_writer v0.4.0 [INFO] [stderr] Downloaded serde_json v1.0.74 [INFO] [stderr] Downloaded derive_builder_macro v0.11.1 [INFO] [stderr] Downloaded rand_regex v0.15.1 [INFO] [stderr] Downloaded id_tree v1.8.0 [INFO] [stderr] Downloaded darling v0.12.4 [INFO] [stderr] Downloaded snowflake v1.3.0 [INFO] [stderr] Downloaded miette-derive v4.3.0 [INFO] [stderr] Downloaded parol_runtime v0.5.9 [INFO] [stderr] Downloaded bart v0.1.4 [INFO] [stderr] Downloaded syn v1.0.84 [INFO] [stderr] Downloaded bart_derive v0.1.4 [INFO] [stderr] Downloaded serde_derive v1.0.133 [INFO] [stderr] Downloaded miette v4.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32b078a6d78f2c03bd353578e348a9173443051239eb8960b87cf846b3a6b70a [INFO] running `Command { std: "docker" "start" "-a" "32b078a6d78f2c03bd353578e348a9173443051239eb8960b87cf846b3a6b70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32b078a6d78f2c03bd353578e348a9173443051239eb8960b87cf846b3a6b70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b078a6d78f2c03bd353578e348a9173443051239eb8960b87cf846b3a6b70a", kill_on_drop: false }` [INFO] [stdout] 32b078a6d78f2c03bd353578e348a9173443051239eb8960b87cf846b3a6b70a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b19b73737a1feba56218825d089e029a3ac169c94175d255f314c31b0cbb1be [INFO] running `Command { std: "docker" "start" "-a" "8b19b73737a1feba56218825d089e029a3ac169c94175d255f314c31b0cbb1be", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling is_ci v1.1.1 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling owo-colors v3.3.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling itertools v0.6.5 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling supports-hyperlinks v1.2.0 [INFO] [stderr] Compiling supports-unicode v1.0.2 [INFO] [stderr] Compiling supports-color v1.3.0 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling bart_derive v0.1.4 [INFO] [stderr] Compiling bart v0.1.4 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling rand_regex v0.15.1 [INFO] [stderr] Compiling darling_core v0.12.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling miette-derive v4.3.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling miette v4.3.0 [INFO] [stderr] Compiling darling_macro v0.12.4 [INFO] [stderr] Compiling clap v3.1.6 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Compiling derive_builder_core v0.11.1 [INFO] [stderr] Compiling derive_builder_macro v0.11.1 [INFO] [stderr] Compiling derive_builder v0.11.1 [INFO] [stderr] Compiling snowflake v1.3.0 [INFO] [stderr] Compiling id_tree v1.8.0 [INFO] [stderr] Compiling id_tree_layout v2.0.3 [INFO] [stderr] Compiling parol_runtime v0.5.9 [INFO] [stderr] Compiling parol v0.6.1 [INFO] [stderr] Compiling json_parser v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `json_parser v0.5.0 (/opt/rustwide/workdir)` [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/json_parser-409a493aa3fcb9be/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed= [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1521) panicked at build.rs:17:10: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: [INFO] [stderr] × Error writing left-factored grammar! [INFO] [stderr] ╰─▶ Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x58d61347a562 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x58d61347a562 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x58d61347a562 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x58d61347a562 - ::fmt::h52160e9da139e442 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x58d61348b73f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x58d61348b73f - core::fmt::write::hf09a056a304e021a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x58d61344f7c1 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x58d61344f7c1 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x58d613459322 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x58d61345b49c - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x58d61345b2f6 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x58d61345bb25 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x58d61345b9ba - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x58d613459459 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x58d61344381d - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x58d6134902d0 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stderr] 16: 0x58d61348f446 - core::result::unwrap_failed::h91bd1e1731f928fc [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x58d6130f6c7f - build_script_build::main::hdbd547a7d797f829 [INFO] [stderr] 18: 0x58d6130f6db3 - core::ops::function::FnOnce::call_once::hada3bad36f5a7db3 [INFO] [stderr] 19: 0x58d6130f6d56 - std::sys::backtrace::__rust_begin_short_backtrace::h90f1a3fed8296e2d [INFO] [stderr] 20: 0x58d6130f6d39 - std::rt::lang_start::{{closure}}::h4be5b4e9c9de9c9f [INFO] [stderr] 21: 0x58d6134510c0 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 22: 0x58d6134510c0 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x58d6134510c0 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x58d6134510c0 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x58d6134510c0 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x58d6134510c0 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x58d6134510c0 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x58d6134510c0 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x58d6134510c0 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x58d6130f6d21 - std::rt::lang_start::h34b4c6bbd3adddc6 [INFO] [stderr] 31: 0x58d6130f7255 - main [INFO] [stderr] 32: 0x784d256491ca - [INFO] [stderr] 33: 0x784d2564928b - __libc_start_main [INFO] [stderr] 34: 0x58d6130f6a15 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "8b19b73737a1feba56218825d089e029a3ac169c94175d255f314c31b0cbb1be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b19b73737a1feba56218825d089e029a3ac169c94175d255f314c31b0cbb1be", kill_on_drop: false }` [INFO] [stdout] 8b19b73737a1feba56218825d089e029a3ac169c94175d255f314c31b0cbb1be