[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#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[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 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JadKHaddad/Lambda-Calculus-Evaluate-Reduce against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "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-tc2/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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JadKHaddad/Lambda-Calculus-Evaluate-Reduce against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "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-tc2/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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 105b4660c17738266b98597ed5ef5ec49c1ca0f449633ba9a23d152c7e473895
[INFO] running `Command { std: "docker" "start" "-a" "105b4660c17738266b98597ed5ef5ec49c1ca0f449633ba9a23d152c7e473895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "105b4660c17738266b98597ed5ef5ec49c1ca0f449633ba9a23d152c7e473895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105b4660c17738266b98597ed5ef5ec49c1ca0f449633ba9a23d152c7e473895", kill_on_drop: false }`
[INFO] [stdout] 105b4660c17738266b98597ed5ef5ec49c1ca0f449633ba9a23d152c7e473895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e6396a707f905d3b97e9a3e1c00816d9e51dd806c65a214b6c13b011aed04a
[INFO] running `Command { std: "docker" "start" "-a" "18e6396a707f905d3b97e9a3e1c00816d9e51dd806c65a214b6c13b011aed04a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[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-7b8ab69e79bbb351/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:     0x558263537c86 - std::backtrace_rs::backtrace::libunwind::trace::h257df339408ea01b
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x558263537c86 - std::backtrace_rs::backtrace::trace_unsynchronized::h034df83cd1e04393
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558263537c86 - std::sys_common::backtrace::_print_fmt::h11fdbbb76d3dcc73
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x558263537c86 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc1f531cd1a35ecac
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55826355a43c - core::fmt::rt::Argument::fmt::h0505478190101240
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55826355a43c - core::fmt::write::h8434ebdf1df55b52
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55826353567f - std::io::Write::write_fmt::h357085ba35f33d4e
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x558263537a34 - std::sys_common::backtrace::_print::hc5b3a9708e196eff
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x558263537a34 - std::sys_common::backtrace::print::h5d465a1ba8518316
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x558263538f2b - std::panicking::default_hook::{{closure}}::h59aaf1ee835b768e
[INFO] [stderr]     10:     0x558263538c79 - std::panicking::default_hook::h443236c23e7134bb
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x5582635393cd - std::panicking::rust_panic_with_hook::hcc7319ae2415870a
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x5582635392a2 - std::panicking::begin_panic_handler::{{closure}}::hb04ac137597f3580
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x558263538166 - std::sys_common::backtrace::__rust_end_short_backtrace::hb82480621b9f3c96
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x558263538fd4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x558262f15815 - core::panicking::panic_fmt::hcc3e9025d6b1267a
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x558262f15df3 - core::result::unwrap_failed::h94ffb8bd4267f3a0
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/core/src/result.rs:1654:5
[INFO] [stderr]     17:     0x558262f16310 - build_script_build::main::h4a356cd1abae7dda
[INFO] [stderr]     18:     0x558262f160f3 - core::ops::function::FnOnce::call_once::h5ad611c946a27372
[INFO] [stderr]     19:     0x558262f16076 - std::sys_common::backtrace::__rust_begin_short_backtrace::h37aec9854b2670b3
[INFO] [stderr]     20:     0x558262f160c9 - std::rt::lang_start::{{closure}}::hfda89f189bea8002
[INFO] [stderr]     21:     0x55826352ff43 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hab77c42f664b1556
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x55826352ff43 - std::panicking::try::do_call::hef326bd47d12e48d
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:552:40
[INFO] [stderr]     23:     0x55826352ff43 - std::panicking::try::hfe1831eaf8bcdaef
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:516:19
[INFO] [stderr]     24:     0x55826352ff43 - std::panic::catch_unwind::hdf975d7cc52378d3
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panic.rs:142:14
[INFO] [stderr]     25:     0x55826352ff43 - std::rt::lang_start_internal::{{closure}}::h82cc3a8656eb4ec8
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/rt.rs:148:48
[INFO] [stderr]     26:     0x55826352ff43 - std::panicking::try::do_call::hcf97a3404a9cce69
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:552:40
[INFO] [stderr]     27:     0x55826352ff43 - std::panicking::try::he7d17f76709abf77
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panicking.rs:516:19
[INFO] [stderr]     28:     0x55826352ff43 - std::panic::catch_unwind::hec69e8b2078c2b51
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/panic.rs:142:14
[INFO] [stderr]     29:     0x55826352ff43 - std::rt::lang_start_internal::h1ccd3c1a887174e9
[INFO] [stderr]                                  at /rustc/80d5fe37e16a0befb4128414cb6a11d544788c0a/library/std/src/rt.rs:148:20
[INFO] [stderr]     30:     0x558262f160a7 - std::rt::lang_start::h10efd88ff1447467
[INFO] [stderr]     31:     0x558262f16365 - main
[INFO] [stderr]     32:     0x7ff1f808bd90 - <unknown>
[INFO] [stderr]     33:     0x7ff1f808be40 - __libc_start_main
[INFO] [stderr]     34:     0x558262f15fa5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "18e6396a707f905d3b97e9a3e1c00816d9e51dd806c65a214b6c13b011aed04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e6396a707f905d3b97e9a3e1c00816d9e51dd806c65a214b6c13b011aed04a", kill_on_drop: false }`
[INFO] [stdout] 18e6396a707f905d3b97e9a3e1c00816d9e51dd806c65a214b6c13b011aed04a