[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] 1917857f887715411255133f606c9de0a28bc98c [INFO] checking jsinger67/json_parser against master#39323a5877ee6b85e75c652c2518a97a1433a2dc for pr-102593 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fjson_parser" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsinger67/json_parser on toolchain 39323a5877ee6b85e75c652c2518a97a1433a2dc [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] crate git repo https://github.com/jsinger67/json_parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded id_tree_layout v2.0.3 [INFO] [stderr] Downloaded snowflake v1.3.0 [INFO] [stderr] Downloaded derive_builder_macro v0.11.1 [INFO] [stderr] Downloaded id_tree v1.8.0 [INFO] [stderr] Downloaded derive_builder v0.11.1 [INFO] [stderr] Downloaded derive_builder_core v0.11.1 [INFO] [stderr] Downloaded miette-derive v4.3.0 [INFO] [stderr] Downloaded miette v4.3.0 [INFO] [stderr] Downloaded rand_regex v0.15.1 [INFO] [stderr] Downloaded bart_derive v0.1.4 [INFO] [stderr] Downloaded parol_runtime v0.5.9 [INFO] [stderr] Downloaded bart v0.1.4 [INFO] [stderr] Downloaded parol v0.6.1 [INFO] [stderr] Downloaded xml_writer v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b2c2e79940279ced77b82f4b4377d2dd996071407efc4478bbb78ba5cdc7bb4b [INFO] running `Command { std: "docker" "start" "-a" "b2c2e79940279ced77b82f4b4377d2dd996071407efc4478bbb78ba5cdc7bb4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b2c2e79940279ced77b82f4b4377d2dd996071407efc4478bbb78ba5cdc7bb4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2c2e79940279ced77b82f4b4377d2dd996071407efc4478bbb78ba5cdc7bb4b", kill_on_drop: false }` [INFO] [stdout] b2c2e79940279ced77b82f4b4377d2dd996071407efc4478bbb78ba5cdc7bb4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+39323a5877ee6b85e75c652c2518a97a1433a2dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9598c3dcd3f7ac17e700d2dcc035129ebf18bb58980c4a0e6025f730afcf1737 [INFO] running `Command { std: "docker" "start" "-a" "9598c3dcd3f7ac17e700d2dcc035129ebf18bb58980c4a0e6025f730afcf1737", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling is_ci v1.1.1 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling supports-unicode v1.0.2 [INFO] [stderr] Compiling supports-color v1.3.0 [INFO] [stderr] Compiling supports-hyperlinks v1.2.0 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling owo-colors v3.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling itertools v0.6.5 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling rand_regex v0.15.1 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling bart v0.1.4 [INFO] [stderr] Compiling bart_derive v0.1.4 [INFO] [stderr] Compiling darling_core v0.12.4 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [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 darling_macro v0.12.4 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Compiling derive_builder_core v0.11.1 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling miette v4.3.0 [INFO] [stderr] Compiling derive_builder_macro v0.11.1 [INFO] [stderr] Compiling clap v3.1.6 [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] Checking id_tree_layout v2.0.3 [INFO] [stderr] Checking 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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/json_parser-51b1bba282d46adc/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed= [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at '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] ', build.rs:17:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5639dab22410 - std::backtrace_rs::backtrace::libunwind::trace::h56d02f0d0c58e1f9 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x5639dab22410 - std::backtrace_rs::backtrace::trace_unsynchronized::hc2e9010b9645d0b4 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5639dab22410 - std::sys_common::backtrace::_print_fmt::h75f5e11a6a7d5145 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x5639dab22410 - ::fmt::h5faf847e88912bb9 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x5639dab40e9e - core::fmt::write::hf067d3ad8461f773 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x5639dab1fe95 - std::io::Write::write_fmt::hc1fa2dfc590db79d [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/io/mod.rs:1679:15 [INFO] [stderr] 6: 0x5639dab23aa3 - std::sys_common::backtrace::_print::hdc24d2a6d3210d13 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x5639dab23aa3 - std::sys_common::backtrace::print::h4acdb5882c328639 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x5639dab23aa3 - std::panicking::default_hook::{{closure}}::h09b21149609c42fe [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x5639dab2377a - std::panicking::default_hook::h8964c6fe6ceabeb3 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x5639dab24149 - std::panicking::rust_panic_with_hook::h4d460f42d7bdc24d [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:669:13 [INFO] [stderr] 11: 0x5639dab24047 - std::panicking::begin_panic_handler::{{closure}}::h2dbbb120a947f437 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:560:13 [INFO] [stderr] 12: 0x5639dab228bc - std::sys_common::backtrace::__rust_end_short_backtrace::h50d549656344f444 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x5639dab23d62 - rust_begin_unwind [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:556:5 [INFO] [stderr] 14: 0x5639da68a193 - core::panicking::panic_fmt::h963d11b71869fe31 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x5639da68a283 - core::result::unwrap_failed::h130173614286394d [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/result.rs:1791:5 [INFO] [stderr] 16: 0x5639da68aba9 - core::result::Result::unwrap::h589907a0b73a7ade [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/result.rs:1113:23 [INFO] [stderr] 17: 0x5639da68ad1e - build_script_build::main::h39bf9f3731b806cf [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9:5 [INFO] [stderr] 18: 0x5639da68a6cb - core::ops::function::FnOnce::call_once::h3a4267655b2fa675 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 19: 0x5639da68a60e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf3300436aafaee1d [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 20: 0x5639da68a681 - std::rt::lang_start::{{closure}}::h1239a3ae413e0bce [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/rt.rs:166:18 [INFO] [stderr] 21: 0x5639dab1c9af - core::ops::function::impls:: for &F>::call_once::h5c84c90ae746a7d7 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 22: 0x5639dab1c9af - std::panicking::try::do_call::he4141da799fc257a [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:464:40 [INFO] [stderr] 23: 0x5639dab1c9af - std::panicking::try::h0c2ba1eb7766b87a [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:428:19 [INFO] [stderr] 24: 0x5639dab1c9af - std::panic::catch_unwind::h42be66070aeb2b9e [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panic.rs:137:14 [INFO] [stderr] 25: 0x5639dab1c9af - std::rt::lang_start_internal::{{closure}}::ha3d3159bcb7a4546 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/rt.rs:148:48 [INFO] [stderr] 26: 0x5639dab1c9af - std::panicking::try::do_call::h4249218dc3db5399 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:464:40 [INFO] [stderr] 27: 0x5639dab1c9af - std::panicking::try::hedf1616310e95e21 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panicking.rs:428:19 [INFO] [stderr] 28: 0x5639dab1c9af - std::panic::catch_unwind::h0988f263967b261a [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/panic.rs:137:14 [INFO] [stderr] 29: 0x5639dab1c9af - std::rt::lang_start_internal::ha8580cbe9faf4feb [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/rt.rs:148:20 [INFO] [stderr] 30: 0x5639da68a65a - std::rt::lang_start::h634031c93e647052 [INFO] [stderr] at /rustc/39323a5877ee6b85e75c652c2518a97a1433a2dc/library/std/src/rt.rs:165:17 [INFO] [stderr] 31: 0x5639da68ad71 - main [INFO] [stderr] 32: 0x7f2bd65a6083 - __libc_start_main [INFO] [stderr] 33: 0x5639da68a46e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "9598c3dcd3f7ac17e700d2dcc035129ebf18bb58980c4a0e6025f730afcf1737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9598c3dcd3f7ac17e700d2dcc035129ebf18bb58980c4a0e6025f730afcf1737", kill_on_drop: false }` [INFO] [stdout] 9598c3dcd3f7ac17e700d2dcc035129ebf18bb58980c4a0e6025f730afcf1737