[INFO] cloning repository https://github.com/Sreyas-Sreelal/writing-compilers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sreyas-Sreelal/writing-compilers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43bcc8b572573e166f3ef49d7b0b6a7fe85eaa77
[INFO] testing Sreyas-Sreelal/writing-compilers/43bcc8b572573e166f3ef49d7b0b6a7fe85eaa77 against 1.81.0 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers" "/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/Sreyas-Sreelal/writing-compilers on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sreyas-Sreelal/writing-compilers
[INFO] finished tweaking git repo https://github.com/Sreyas-Sreelal/writing-compilers
[INFO] tweaked toml for git repo https://github.com/Sreyas-Sreelal/writing-compilers written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sreyas-Sreelal/writing-compilers 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f16685305015a6d1f5c72870fd5a62f0bf4546265be4152ff4884a8bdb3cc9f
[INFO] running `Command { std: "docker" "start" "-a" "1f16685305015a6d1f5c72870fd5a62f0bf4546265be4152ff4884a8bdb3cc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f16685305015a6d1f5c72870fd5a62f0bf4546265be4152ff4884a8bdb3cc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f16685305015a6d1f5c72870fd5a62f0bf4546265be4152ff4884a8bdb3cc9f", kill_on_drop: false }`
[INFO] [stdout] 1f16685305015a6d1f5c72870fd5a62f0bf4546265be4152ff4884a8bdb3cc9f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9742ca5443ff632ce7060979d1b96c71722af9510946072a81dee6a85d44434a
[INFO] running `Command { std: "docker" "start" "-a" "9742ca5443ff632ce7060979d1b96c71722af9510946072a81dee6a85d44434a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling lalpoptest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lalpoptest 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/lalpoptest-e8e67302c5c262b1/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `./src/parser/grammar.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:5:10:
[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:     0x5c7ae13cd0f5 - std::backtrace_rs::backtrace::libunwind::trace::h649ab3318d3445c5
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5c7ae13cd0f5 - std::backtrace_rs::backtrace::trace_unsynchronized::hf4bb60c3387150c3
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5c7ae13cd0f5 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5
[INFO] [stderr]      3:     0x5c7ae13cd0f5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1b9dad2a88e955ff
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26
[INFO] [stderr]      4:     0x5c7ae13edd3b - core::fmt::rt::Argument::fmt::h351a7824f737a6a0
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c7ae13edd3b - core::fmt::write::h4b5a1270214bc4a7
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21
[INFO] [stderr]      6:     0x5c7ae13cac1f - std::io::Write::write_fmt::hd04af345a50c312d
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15
[INFO] [stderr]      7:     0x5c7ae13ce241 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9
[INFO] [stderr]      8:     0x5c7ae13ce241 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22
[INFO] [stderr]      9:     0x5c7ae13cdf1c - std::panicking::default_hook::h3cacb9c27561ad33
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:296:9
[INFO] [stderr]     10:     0x5c7ae13ce8a1 - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:800:13
[INFO] [stderr]     11:     0x5c7ae13ce707 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5c7ae13cd5b9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5c7ae13ce394 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5c7ae0de6003 - core::panicking::panic_fmt::h3d8fc78294164da7
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x5c7ae0de6556 - core::result::unwrap_failed::hfa79a499befff387
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/result.rs:1679:5
[INFO] [stderr]     16:     0x5c7ae0de6ea2 - build_script_build::main::h03b08ea5000f052c
[INFO] [stderr]     17:     0x5c7ae0de6c23 - core::ops::function::FnOnce::call_once::hcb516f04529898cc
[INFO] [stderr]     18:     0x5c7ae0de6bc6 - std::sys::backtrace::__rust_begin_short_backtrace::ha11c078fe1a1cce2
[INFO] [stderr]     19:     0x5c7ae0de6ba9 - std::rt::lang_start::{{closure}}::h6448303872320a99
[INFO] [stderr]     20:     0x5c7ae13c59f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2feec6363bd28ad6
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5c7ae13c59f0 - std::panicking::try::do_call::h71b24ad3a8e797d5
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40
[INFO] [stderr]     22:     0x5c7ae13c59f0 - std::panicking::try::h8412d1bfb4bcbcc1
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19
[INFO] [stderr]     23:     0x5c7ae13c59f0 - std::panic::catch_unwind::h2053d3ee5bd8db53
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14
[INFO] [stderr]     24:     0x5c7ae13c59f0 - std::rt::lang_start_internal::{{closure}}::h82eb98fe4f8e75b8
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:141:48
[INFO] [stderr]     25:     0x5c7ae13c59f0 - std::panicking::try::do_call::h793dba66a0bbd3de
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40
[INFO] [stderr]     26:     0x5c7ae13c59f0 - std::panicking::try::he09b629b3ba06846
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19
[INFO] [stderr]     27:     0x5c7ae13c59f0 - std::panic::catch_unwind::h7964c913fc871155
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14
[INFO] [stderr]     28:     0x5c7ae13c59f0 - std::rt::lang_start_internal::h5e7c81cecd7f0954
[INFO] [stderr]                                  at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:141:20
[INFO] [stderr]     29:     0x5c7ae0de6b87 - std::rt::lang_start::h994ff13a47f4481f
[INFO] [stderr]     30:     0x5c7ae0de6f35 - main
[INFO] [stderr]     31:     0x7bf77fc78d90 - <unknown>
[INFO] [stderr]     32:     0x7bf77fc78e40 - __libc_start_main
[INFO] [stderr]     33:     0x5c7ae0de6a95 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9742ca5443ff632ce7060979d1b96c71722af9510946072a81dee6a85d44434a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9742ca5443ff632ce7060979d1b96c71722af9510946072a81dee6a85d44434a", kill_on_drop: false }`
[INFO] [stdout] 9742ca5443ff632ce7060979d1b96c71722af9510946072a81dee6a85d44434a