[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 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJadKHaddad%2FLambda-Calculus-Evaluate-Reduce" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JadKHaddad/Lambda-Calculus-Evaluate-Reduce on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.4.3
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[INFO] [stderr]   Downloaded lalrpop v0.19.8
[INFO] [stderr]   Downloaded regex v1.6.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40
[INFO] running `Command { std: "docker" "start" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[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/21d6b577a949eda5/out/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] 
[INFO] [stderr]   thread 'main' (985) 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:     0x5e51ffd941f1 - std[7e3a18b272cf1acb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e51ffd941f1 - std[7e3a18b272cf1acb]::backtrace_rs::backtrace::trace_unsynchronized::<std[7e3a18b272cf1acb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e51ffd941f1 - std[7e3a18b272cf1acb]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e51ffd941f1 - <<std[7e3a18b272cf1acb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6d8355b08ae704c6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e51ffda9f7a - <core[6d8355b08ae704c6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e51ffda9f7a - core[6d8355b08ae704c6]::fmt::write
[INFO] [stderr]      6:     0x5e51ffd99bfc - core[6d8355b08ae704c6]::io::write::default_write_fmt::<std[7e3a18b272cf1acb]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x5e51ffd99bfc - <std[7e3a18b272cf1acb]::sys::stdio::unix::Stderr as core[6d8355b08ae704c6]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x5e51ffd7aa66 - <std[7e3a18b272cf1acb]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e51ffd7aa66 - std[7e3a18b272cf1acb]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e51ffd8f551 - std[7e3a18b272cf1acb]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e51ffd8f70b - std[7e3a18b272cf1acb]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x5e51ffd7ab12 - std[7e3a18b272cf1acb]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x5e51ffd738e9 - std[7e3a18b272cf1acb]::sys::backtrace::__rust_end_short_backtrace::<std[7e3a18b272cf1acb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e51ffd7b2fd - __rustc[8de7746e9ac79425]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x5e51ffdaa79c - core[6d8355b08ae704c6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e51ffdaa4f2 - core[6d8355b08ae704c6]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/result.rs:1871:5
[INFO] [stderr]     17:     0x5e51ff86126c - build_script_build[ae569c55445b13f5]::main
[INFO] [stderr]     18:     0x5e51ff86144b - <fn() as core[6d8355b08ae704c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5e51ff8611ce - std[7e3a18b272cf1acb]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5e51ff8611d9 - std[7e3a18b272cf1acb]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5e51ffd8e887 - <&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe as core[6d8355b08ae704c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panicking::catch_unwind::do_call::<&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:576:43
[INFO] [stderr]     23:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panicking::catch_unwind::<i32, &dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panic::catch_unwind::<&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panicking::catch_unwind::do_call::<std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:576:43
[INFO] [stderr]     27:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panicking::catch_unwind::<isize, std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::panic::catch_unwind::<std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5e51ffd8e887 - std[7e3a18b272cf1acb]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5e51ff8611c1 - std[7e3a18b272cf1acb]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5e51ff861485 - main
[INFO] [stderr]     32:     0x78e1d8d7a601 - <unknown>
[INFO] [stderr]     33:     0x78e1d8d7a718 - __libc_start_main
[INFO] [stderr]     34:     0x5e51ff861065 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40", kill_on_drop: false }`
[INFO] [stdout] 25e7bcb2ff2b4044665060f1d07f497eba36ba92aebcc530d38c4cc1d7e15d40
