[INFO] cloning repository https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93fcb431dfb64feeeda4fa727829d26e10d883bd
[INFO] checking JadKHaddad/Lambda-Calculus-Evaluate-Reduce against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce" "/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/JadKHaddad/Lambda-Calculus-Evaluate-Reduce on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce
[INFO] finished tweaking git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce
[INFO] tweaked toml for git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b01e3a39024171f5a085786a102c11558cfa3ad2c265f702f6ea0131a78bc2
[INFO] running `Command { std: "docker" "start" "-a" "16b01e3a39024171f5a085786a102c11558cfa3ad2c265f702f6ea0131a78bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b01e3a39024171f5a085786a102c11558cfa3ad2c265f702f6ea0131a78bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b01e3a39024171f5a085786a102c11558cfa3ad2c265f702f6ea0131a78bc2", kill_on_drop: false }`
[INFO] [stdout] 16b01e3a39024171f5a085786a102c11558cfa3ad2c265f702f6ea0131a78bc2
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ab4904f12dec920c60222e6b5bf92053ce5e03f91fe173bb391a9a2141261e0
[INFO] running `Command { std: "docker" "start" "-a" "8ab4904f12dec920c60222e6b5bf92053ce5e03f91fe173bb391a9a2141261e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]     Checking serde_yaml v0.9.14
[INFO] [stderr]    Compiling lambda_calculus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lambda_calculus 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/lambda_calculus-db45aaa5fa6d1c7f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/workdir/term.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:4:29:
[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:     0x556cea714605 - std::backtrace_rs::backtrace::libunwind::trace::hb0d415bcff8c04ff
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x556cea714605 - std::backtrace_rs::backtrace::trace_unsynchronized::hd3beb7af6a65b2fb
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556cea714605 - std::sys_common::backtrace::_print_fmt::hb94d89680d7f5d1c
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x556cea714605 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h42d21e2ba62fd274
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x556cea736fdb - core::fmt::rt::Argument::fmt::h8932bbbd2b9c37fe
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x556cea736fdb - core::fmt::write::h672f14b769052340
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x556cea71202f - std::io::Write::write_fmt::h4d626b1d019eca5c
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/io/mod.rs:1843:15
[INFO] [stderr]      7:     0x556cea7143de - std::sys_common::backtrace::_print::h745e446c2e03c5ca
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x556cea7143de - std::sys_common::backtrace::print::hf0f0fa4fb70dca2c
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x556cea715849 - std::panicking::default_hook::{{closure}}::h607769b198639ae5
[INFO] [stderr]     10:     0x556cea7155b3 - std::panicking::default_hook::h1e5811a5a9298ba1
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x556cea715ce4 - std::panicking::rust_panic_with_hook::hd0c5dc40875c06ef
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:789:13
[INFO] [stderr]     12:     0x556cea715bc6 - std::panicking::begin_panic_handler::{{closure}}::hde3f6d4bced89f43
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:658:13
[INFO] [stderr]     13:     0x556cea714ac9 - std::sys_common::backtrace::__rust_end_short_backtrace::h88e846e54ebde2e3
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x556cea7158f7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:646:5
[INFO] [stderr]     15:     0x556cea124766 - core::panicking::panic_fmt::h5ffad3fb9ad671e0
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x556cea124cd6 - core::result::unwrap_failed::hb58638a1c26ab909
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/result.rs:1654:5
[INFO] [stderr]     17:     0x556cea125460 - build_script_build::main::h2dacf3dce4d7a088
[INFO] [stderr]     18:     0x556cea125243 - core::ops::function::FnOnce::call_once::h4e2c2c291f9d201e
[INFO] [stderr]     19:     0x556cea1251c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h6001d1acd62f34c3
[INFO] [stderr]     20:     0x556cea125219 - std::rt::lang_start::{{closure}}::hc95a1c1be038e358
[INFO] [stderr]     21:     0x556cea70cd41 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf24a18568366726b
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x556cea70cd41 - std::panicking::try::do_call::hfe98fb6a5c700fa1
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40
[INFO] [stderr]     23:     0x556cea70cd41 - std::panicking::try::h887aaa509ba266ad
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19
[INFO] [stderr]     24:     0x556cea70cd41 - std::panic::catch_unwind::hdb24f00ea5a307a8
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14
[INFO] [stderr]     25:     0x556cea70cd41 - std::rt::lang_start_internal::{{closure}}::hacbffc0b2f55d28c
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:48
[INFO] [stderr]     26:     0x556cea70cd41 - std::panicking::try::do_call::hc810c59098be8c17
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40
[INFO] [stderr]     27:     0x556cea70cd41 - std::panicking::try::h0d072b82be5f3f03
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19
[INFO] [stderr]     28:     0x556cea70cd41 - std::panic::catch_unwind::hb0e7e36556665803
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14
[INFO] [stderr]     29:     0x556cea70cd41 - std::rt::lang_start_internal::h4207974af80a0725
[INFO] [stderr]                                  at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:20
[INFO] [stderr]     30:     0x556cea1251f7 - std::rt::lang_start::h5dafb47245a124bc
[INFO] [stderr]     31:     0x556cea1254b5 - main
[INFO] [stderr]     32:     0x7f55a70d8d90 - <unknown>
[INFO] [stderr]     33:     0x7f55a70d8e40 - __libc_start_main
[INFO] [stderr]     34:     0x556cea1250f5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8ab4904f12dec920c60222e6b5bf92053ce5e03f91fe173bb391a9a2141261e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab4904f12dec920c60222e6b5bf92053ce5e03f91fe173bb391a9a2141261e0", kill_on_drop: false }`
[INFO] [stdout] 8ab4904f12dec920c60222e6b5bf92053ce5e03f91fe173bb391a9a2141261e0