[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] checking jsinger67/json_parser against master#04e957578c77c95a0505f5818d0068b459f673e3 for pr-108782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fjson_parser" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jsinger67/json_parser on toolchain 04e957578c77c95a0505f5818d0068b459f673e3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_builder v0.11.1 [INFO] [stderr] Downloaded owo-colors v3.3.0 [INFO] [stderr] Downloaded derive_builder_core v0.11.1 [INFO] [stderr] Downloaded rand_regex v0.15.1 [INFO] [stderr] Downloaded miette-derive v4.3.0 [INFO] [stderr] Downloaded derive_builder_macro v0.11.1 [INFO] [stderr] Downloaded miette v4.3.0 [INFO] [stderr] Downloaded id_tree_layout v2.0.3 [INFO] [stderr] Downloaded bart v0.1.4 [INFO] [stderr] Downloaded bart_derive v0.1.4 [INFO] [stderr] Downloaded parol v0.6.1 [INFO] [stderr] Downloaded parol_runtime v0.5.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 963d0ffc3fec8fbf2c9a69529047fba24a6b4009e27c061a7b254de6094f90d8 [INFO] running `Command { std: "docker" "start" "-a" "963d0ffc3fec8fbf2c9a69529047fba24a6b4009e27c061a7b254de6094f90d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "963d0ffc3fec8fbf2c9a69529047fba24a6b4009e27c061a7b254de6094f90d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "963d0ffc3fec8fbf2c9a69529047fba24a6b4009e27c061a7b254de6094f90d8", kill_on_drop: false }` [INFO] [stdout] 963d0ffc3fec8fbf2c9a69529047fba24a6b4009e27c061a7b254de6094f90d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ee240fad5f489eee95deb6dc2192f2771e7610c643fa94eaf1b98775e497c88 [INFO] running `Command { std: "docker" "start" "-a" "5ee240fad5f489eee95deb6dc2192f2771e7610c643fa94eaf1b98775e497c88", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling unicode-linebreak v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling smawk v0.3.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling is_ci v1.1.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling xml_writer v0.4.0 [INFO] [stderr] Compiling heck v0.4.0 [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 rand_core v0.6.3 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling owo-colors v3.3.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling itertools v0.6.5 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling nom v2.2.1 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling fixedbitset v0.4.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling petgraph v0.6.0 [INFO] [stderr] Compiling bart v0.1.4 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling rand_regex v0.15.1 [INFO] [stderr] Compiling bart_derive v0.1.4 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Checking regex v1.5.4 [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 darling_macro v0.12.4 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling miette v4.3.0 [INFO] [stderr] Compiling darling v0.12.4 [INFO] [stderr] Compiling derive_builder_core v0.11.1 [INFO] [stderr] Compiling clap v3.1.6 [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] Checking 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] 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-8f06bc651a4c07c2/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: 0x55f261d215aa - std::backtrace_rs::backtrace::libunwind::trace::h5c849c17d9f7ab2c [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x55f261d215aa - std::backtrace_rs::backtrace::trace_unsynchronized::hdca53db3417f197d [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f261d215aa - std::sys_common::backtrace::_print_fmt::h6205f6b88b023844 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stderr] 3: 0x55f261d215aa - ::fmt::h1d0b077931e4d345 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x55f261d4000e - core::fmt::write::hbcc995655f4d5737 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/core/src/fmt/mod.rs:1232:17 [INFO] [stderr] 5: 0x55f261d1f305 - std::io::Write::write_fmt::h3d2c532f4d174143 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/io/mod.rs:1684:15 [INFO] [stderr] 6: 0x55f261d21375 - std::sys_common::backtrace::_print::h8aad0d617a395f56 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 7: 0x55f261d21375 - std::sys_common::backtrace::print::h4410b7c49324ef08 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 8: 0x55f261d229cf - std::panicking::default_hook::{{closure}}::h9e5686273e43fbc2 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:271:22 [INFO] [stderr] 9: 0x55f261d2270b - std::panicking::default_hook::h8ce79a486aced486 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:290:9 [INFO] [stderr] 10: 0x55f261d22f78 - std::panicking::rust_panic_with_hook::h3ee79d7745cf1437 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:692:13 [INFO] [stderr] 11: 0x55f261d22e79 - std::panicking::begin_panic_handler::{{closure}}::had0278c072f56188 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:583:13 [INFO] [stderr] 12: 0x55f261d21a16 - std::sys_common::backtrace::__rust_end_short_backtrace::hb2619d66cdecfea1 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/sys_common/backtrace.rs:150:18 [INFO] [stderr] 13: 0x55f261d22b82 - rust_begin_unwind [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:579:5 [INFO] [stderr] 14: 0x55f26197a9d3 - core::panicking::panic_fmt::h3f52892f7f13af44 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/core/src/panicking.rs:64:14 [INFO] [stderr] 15: 0x55f26197ae23 - core::result::unwrap_failed::hcd3dd1613f8b8d88 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/core/src/result.rs:1750:5 [INFO] [stderr] 16: 0x55f26197b32b - core::result::Result::unwrap::hf09776cc7cfdb33b [INFO] [stderr] 17: 0x55f26197b211 - build_script_build::main::h2b5e62136bbf296c [INFO] [stderr] 18: 0x55f26197b7c3 - core::ops::function::FnOnce::call_once::h107fe2414e777023 [INFO] [stderr] 19: 0x55f26197b2c9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hecf90c84d69de1c4 [INFO] [stderr] 20: 0x55f26197b2a9 - std::rt::lang_start::{{closure}}::h10432a85e37af14b [INFO] [stderr] 21: 0x55f261d1bc8c - core::ops::function::impls:: for &F>::call_once::h7ce8818cde59a46d [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/core/src/ops/function.rs:287:13 [INFO] [stderr] 22: 0x55f261d1bc8c - std::panicking::try::do_call::h85b3744e244949e8 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:487:40 [INFO] [stderr] 23: 0x55f261d1bc8c - std::panicking::try::hd58e1762bfc488df [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:451:19 [INFO] [stderr] 24: 0x55f261d1bc8c - std::panic::catch_unwind::h243440d8cf807c15 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panic.rs:140:14 [INFO] [stderr] 25: 0x55f261d1bc8c - std::rt::lang_start_internal::{{closure}}::h6b4716d5c0c43d4b [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/rt.rs:148:48 [INFO] [stderr] 26: 0x55f261d1bc8c - std::panicking::try::do_call::h18ae3c52711d8a7b [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:487:40 [INFO] [stderr] 27: 0x55f261d1bc8c - std::panicking::try::h33df98884940033d [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panicking.rs:451:19 [INFO] [stderr] 28: 0x55f261d1bc8c - std::panic::catch_unwind::h92a058496eb16023 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/panic.rs:140:14 [INFO] [stderr] 29: 0x55f261d1bc8c - std::rt::lang_start_internal::hec3b94b1b3361644 [INFO] [stderr] at /rustc/04e957578c77c95a0505f5818d0068b459f673e3/library/std/src/rt.rs:148:20 [INFO] [stderr] 30: 0x55f26197b287 - std::rt::lang_start::hb8f4c1944392bfea [INFO] [stderr] 31: 0x55f26197b255 - main [INFO] [stderr] 32: 0x7fe78ac57d90 - [INFO] [stderr] 33: 0x7fe78ac57e40 - __libc_start_main [INFO] [stderr] 34: 0x55f26197b005 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "5ee240fad5f489eee95deb6dc2192f2771e7610c643fa94eaf1b98775e497c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ee240fad5f489eee95deb6dc2192f2771e7610c643fa94eaf1b98775e497c88", kill_on_drop: false }` [INFO] [stdout] 5ee240fad5f489eee95deb6dc2192f2771e7610c643fa94eaf1b98775e497c88