[INFO] cloning repository https://github.com/jsinger67/parol_basic_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsinger67/parol_basic_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fparol_basic_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fparol_basic_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33f79647283b34147be4100aaee4782f01ab40da
[INFO] checking jsinger67/parol_basic_interpreter against master#5b82ea74b705799665b5a676b162f30d26f5108c for pr-102129
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsinger67%2Fparol_basic_interpreter" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsinger67/parol_basic_interpreter on toolchain 5b82ea74b705799665b5a676b162f30d26f5108c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsinger67/parol_basic_interpreter
[INFO] finished tweaking git repo https://github.com/jsinger67/parol_basic_interpreter
[INFO] tweaked toml for git repo https://github.com/jsinger67/parol_basic_interpreter written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsinger67/parol_basic_interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "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 bart v0.1.4
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded bart_derive v0.1.4
[INFO] [stderr]   Downloaded xml_writer v0.4.0
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded parol_runtime v0.7.2
[INFO] [stderr]   Downloaded parol v0.10.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85b0374010ba449cd4a3c1f8da43c724ef6100d8ea8105b9e23aa059830ea38
[INFO] running `Command { std: "docker" "start" "-a" "e85b0374010ba449cd4a3c1f8da43c724ef6100d8ea8105b9e23aa059830ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85b0374010ba449cd4a3c1f8da43c724ef6100d8ea8105b9e23aa059830ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85b0374010ba449cd4a3c1f8da43c724ef6100d8ea8105b9e23aa059830ea38", kill_on_drop: false }`
[INFO] [stdout] e85b0374010ba449cd4a3c1f8da43c724ef6100d8ea8105b9e23aa059830ea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+5b82ea74b705799665b5a676b162f30d26f5108c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab81e8dd26f4603ab6f5a2ef1203f56ccdcde7a383e2ea3c30f739c4b3c92480
[INFO] running `Command { std: "docker" "start" "-a" "ab81e8dd26f4603ab6f5a2ef1203f56ccdcde7a383e2ea3c30f739c4b3c92480", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling supports-color v1.3.0
[INFO] [stderr]    Compiling supports-unicode v1.0.2
[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 either v1.6.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling owo-colors v3.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling xml_writer v0.4.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bart v0.1.4
[INFO] [stderr]    Compiling rand_regex v0.15.1
[INFO] [stderr]    Compiling function_name v0.3.0
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]    Compiling bart_derive v0.1.4
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling miette-derive v5.3.0
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]    Compiling darling v0.14.1
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling thiserror v1.0.32
[INFO] [stderr]    Compiling miette v5.3.0
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling clap v3.2.17
[INFO] [stderr]    Compiling derive_builder v0.11.2
[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 v0.7.2
[INFO] [stderr]    Compiling parol v0.10.6
[INFO] [stderr]    Compiling basic v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `basic v0.5.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/basic-09fe72533aa5dcb4/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=basic.par
[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:15:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5612b481de90 - std::backtrace_rs::backtrace::libunwind::trace::h10eb4ee371336f73
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5612b481de90 - std::backtrace_rs::backtrace::trace_unsynchronized::hb6dc705cfdbcff81
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5612b481de90 - std::sys_common::backtrace::_print_fmt::h607a67e1209d126c
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x5612b481de90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc4ac2c4b85d2dab3
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5612b483cb1e - core::fmt::write::ha5d05f939e1b7f68
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/fmt/mod.rs:1209:17
[INFO] [stderr]      5:     0x5612b481baa5 - std::io::Write::write_fmt::h7e328d47ae8304e1
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/io/mod.rs:1682:15
[INFO] [stderr]      6:     0x5612b481dc55 - std::sys_common::backtrace::_print::h327961dfc60cf93a
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      7:     0x5612b481dc55 - std::sys_common::backtrace::print::h985b1c7f3b4669ae
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      8:     0x5612b481f33f - std::panicking::default_hook::{{closure}}::h30657a4a3cd8ab06
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x5612b481f07a - std::panicking::default_hook::hbffa3488daf9f726
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x5612b481fa3c - std::panicking::rust_panic_with_hook::h64fd4ba1125bb8b2
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:688:13
[INFO] [stderr]     11:     0x5612b481f7d7 - std::panicking::begin_panic_handler::{{closure}}::hb6e57868d284b75d
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:579:13
[INFO] [stderr]     12:     0x5612b481e33c - std::sys_common::backtrace::__rust_end_short_backtrace::h94c07a5eec247e8d
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stderr]     13:     0x5612b481f4f2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:575:5
[INFO] [stderr]     14:     0x5612b42da6d3 - core::panicking::panic_fmt::h0f4527ea390c5736
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/panicking.rs:65:14
[INFO] [stderr]     15:     0x5612b42da933 - core::result::unwrap_failed::heda7345496ce4e64
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/result.rs:1791:5
[INFO] [stderr]     16:     0x5612b42db10a - core::result::Result<T,E>::unwrap::h14375eb9041d022d
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/result.rs:1113:23
[INFO] [stderr]     17:     0x5612b42db293 - build_script_build::main::heba40a47aa6f4863
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x5612b42db36b - core::ops::function::FnOnce::call_once::h9b977ab49d16f76d
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/ops/function.rs:510:5
[INFO] [stderr]     19:     0x5612b42db01e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdfbd847f36555207
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stderr]     20:     0x5612b42db091 - std::rt::lang_start::{{closure}}::h4fba986ed1fa489c
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/rt.rs:166:18
[INFO] [stderr]     21:     0x5612b48184bb - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h53f109c43434f4e4
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/core/src/ops/function.rs:609:13
[INFO] [stderr]     22:     0x5612b48184bb - std::panicking::try::do_call::hdbebec32e42c42c8
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:483:40
[INFO] [stderr]     23:     0x5612b48184bb - std::panicking::try::hde3f7fff649a1838
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:447:19
[INFO] [stderr]     24:     0x5612b48184bb - std::panic::catch_unwind::h9cd90e83a8e8a0e4
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x5612b48184bb - std::rt::lang_start_internal::{{closure}}::h101bfec7d7bcaa14
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/rt.rs:148:48
[INFO] [stderr]     26:     0x5612b48184bb - std::panicking::try::do_call::h51c1db6b0eb17865
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:483:40
[INFO] [stderr]     27:     0x5612b48184bb - std::panicking::try::h0358ee9d75291cef
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panicking.rs:447:19
[INFO] [stderr]     28:     0x5612b48184bb - std::panic::catch_unwind::h4aed340bdc36a753
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x5612b48184bb - std::rt::lang_start_internal::hdb334fbc7f1038d4
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/rt.rs:148:20
[INFO] [stderr]     30:     0x5612b42db06a - std::rt::lang_start::h3373fc554abe95fc
[INFO] [stderr]                                  at /rustc/5b82ea74b705799665b5a676b162f30d26f5108c/library/std/src/rt.rs:165:17
[INFO] [stderr]     31:     0x5612b42db2ee - main
[INFO] [stderr]     32:     0x7f52ae0b7083 - __libc_start_main
[INFO] [stderr]     33:     0x5612b42dab1e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ab81e8dd26f4603ab6f5a2ef1203f56ccdcde7a383e2ea3c30f739c4b3c92480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab81e8dd26f4603ab6f5a2ef1203f56ccdcde7a383e2ea3c30f739c4b3c92480", kill_on_drop: false }`
[INFO] [stdout] ab81e8dd26f4603ab6f5a2ef1203f56ccdcde7a383e2ea3c30f739c4b3c92480