[INFO] cloning repository https://github.com/HectorHW/rust-lalrpop-walker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HectorHW/rust-lalrpop-walker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 562294c08dc86254877dfbb481d3e2429d520173
[INFO] building HectorHW/rust-lalrpop-walker against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HectorHW/rust-lalrpop-walker on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] finished tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] tweaked toml for git repo https://github.com/HectorHW/rust-lalrpop-walker written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HectorHW/rust-lalrpop-walker 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6500dea0c67f0bb21b46a81c278c03df5f4d61f10888ca07fe7af9d2b71f5d59
[INFO] running `Command { std: "docker" "start" "-a" "6500dea0c67f0bb21b46a81c278c03df5f4d61f10888ca07fe7af9d2b71f5d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6500dea0c67f0bb21b46a81c278c03df5f4d61f10888ca07fe7af9d2b71f5d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6500dea0c67f0bb21b46a81c278c03df5f4d61f10888ca07fe7af9d2b71f5d59", kill_on_drop: false }`
[INFO] [stdout] 6500dea0c67f0bb21b46a81c278c03df5f4d61f10888ca07fe7af9d2b71f5d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8cc7a167f86e5888280d16bbc051bd4fb2cc8a7bbe0948d16aa8bb001ce460
[INFO] running `Command { std: "docker" "start" "-a" "9d8cc7a167f86e5888280d16bbc051bd4fb2cc8a7bbe0948d16aa8bb001ce460", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling rust-lalrpop-walker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-lalrpop-walker v0.1.0 (/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/rust-lalrpop-walker-13212fd6f66c5348/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `./src/parsing/calculator1.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:7:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64f438f7938a - std::backtrace_rs::backtrace::libunwind::trace::h65cc9476dea42f04
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x64f438f7938a - std::backtrace_rs::backtrace::trace_unsynchronized::h31307b22853da5cb
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x64f438f7938a - std::sys::backtrace::_print_fmt::h1d1ec741e9afb97a
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x64f438f7938a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he389a1126db3ba75
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x64f438f9c133 - core::fmt::rt::Argument::fmt::h0df11dc86b5adf75
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x64f438f9c133 - core::fmt::write::hb735a44de60d4775
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x64f438f76023 - std::io::Write::write_fmt::h7e55554e3b601464
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x64f438f791d2 - std::sys::backtrace::BacktraceLock::print::h1b2403acafb4a9ce
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x64f438f7a240 - std::panicking::default_hook::{{closure}}::h1331b39f8c22272c
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x64f438f7a020 - std::panicking::default_hook::h412b1b8b79d13729
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x64f438f7a9e2 - std::panicking::rust_panic_with_hook::he422ff96d7e46154
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x64f438f7a76a - std::panicking::begin_panic_handler::{{closure}}::h48ed6f472c90914b
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:701:13
[INFO] [stderr]     12:     0x64f438f79889 - std::sys::backtrace::__rust_end_short_backtrace::hb3ec7f756cf60e78
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x64f438f7a3fd - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:692:5
[INFO] [stderr]     14:     0x64f438f9a7c0 - core::panicking::panic_fmt::h14762d721bf3d8f4
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x64f438f9ac36 - core::result::unwrap_failed::h920701fb7a43bb98
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x64f4389d2502 - build_script_build::main::h595d110c8a0ba8c0
[INFO] [stderr]     17:     0x64f4389d2223 - core::ops::function::FnOnce::call_once::hd0b47a11b608796f
[INFO] [stderr]     18:     0x64f4389d21c6 - std::sys::backtrace::__rust_begin_short_backtrace::h3e4d61932cd292d4
[INFO] [stderr]     19:     0x64f4389d21a9 - std::rt::lang_start::{{closure}}::hf3057e3dbc870f0e
[INFO] [stderr]     20:     0x64f438f70c97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he65d3dc22beac451
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x64f438f70c97 - std::panicking::try::do_call::h06981c1fa5ca7e3e
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:584:40
[INFO] [stderr]     22:     0x64f438f70c97 - std::panicking::try::h69dc3282503f57f9
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:547:19
[INFO] [stderr]     23:     0x64f438f70c97 - std::panic::catch_unwind::h92970ef9ef5c92ae
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x64f438f70c97 - std::rt::lang_start_internal::{{closure}}::h1b78dd850ae1293d
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/rt.rs:174:48
[INFO] [stderr]     25:     0x64f438f70c97 - std::panicking::try::do_call::h027346d9b0cbd7c7
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:584:40
[INFO] [stderr]     26:     0x64f438f70c97 - std::panicking::try::h91dc055514206193
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panicking.rs:547:19
[INFO] [stderr]     27:     0x64f438f70c97 - std::panic::catch_unwind::ha551d86c182ebce0
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x64f438f70c97 - std::rt::lang_start_internal::h19b9f2ab21592fb1
[INFO] [stderr]                                  at /rustc/ad211ced81509462cdfe4c29ed10f97279a0acae/library/std/src/rt.rs:174:20
[INFO] [stderr]     29:     0x64f4389d2187 - std::rt::lang_start::h300ac062b067ee1c
[INFO] [stderr]     30:     0x64f4389d2595 - main
[INFO] [stderr]     31:     0x79ddecb91d90 - <unknown>
[INFO] [stderr]     32:     0x79ddecb91e40 - __libc_start_main
[INFO] [stderr]     33:     0x64f4389d2095 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9d8cc7a167f86e5888280d16bbc051bd4fb2cc8a7bbe0948d16aa8bb001ce460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8cc7a167f86e5888280d16bbc051bd4fb2cc8a7bbe0948d16aa8bb001ce460", kill_on_drop: false }`
[INFO] [stdout] 9d8cc7a167f86e5888280d16bbc051bd4fb2cc8a7bbe0948d16aa8bb001ce460
