[INFO] cloning repository https://github.com/hfnan/lox-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hfnan/lox-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfnan%2Flox-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfnan%2Flox-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7b16b9f6b3ef5548ac09f3568fb7c3fc035f912
[INFO] checking hfnan/lox-code against try#be699666730c5a1745838222e98e2d85019affdc for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhfnan%2Flox-code" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hfnan/lox-code on toolchain be699666730c5a1745838222e98e2d85019affdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hfnan/lox-code
[INFO] finished tweaking git repo https://github.com/hfnan/lox-code
[INFO] tweaked toml for git repo https://github.com/hfnan/lox-code written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hfnan/lox-code 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" "+be699666730c5a1745838222e98e2d85019affdc" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aa6772017008b8d36b14a85549516d731418f4fbf25d4f949ec30e6f1c46173
[INFO] running `Command { std: "docker" "start" "-a" "4aa6772017008b8d36b14a85549516d731418f4fbf25d4f949ec30e6f1c46173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa6772017008b8d36b14a85549516d731418f4fbf25d4f949ec30e6f1c46173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa6772017008b8d36b14a85549516d731418f4fbf25d4f949ec30e6f1c46173", kill_on_drop: false }`
[INFO] [stdout] 4aa6772017008b8d36b14a85549516d731418f4fbf25d4f949ec30e6f1c46173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+be699666730c5a1745838222e98e2d85019affdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad151cece9acd23c746361fe9f575a1e2c4de2c3569e0d07f2de431d9f631d0
[INFO] running `Command { std: "docker" "start" "-a" "3ad151cece9acd23c746361fe9f575a1e2c4de2c3569e0d07f2de431d9f631d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rlox 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/rlox-545c976d188b60ea/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:5:26:
[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:     0x591e5f1a1c7a - std::backtrace_rs::backtrace::libunwind::trace::h315cad5a27756ded
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x591e5f1a1c7a - std::backtrace_rs::backtrace::trace_unsynchronized::he080447eb3b43db0
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x591e5f1a1c7a - std::sys::backtrace::_print_fmt::h04d2dd142354be71
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x591e5f1a1c7a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6a28450740a58890
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x591e5f1bf343 - core::fmt::rt::Argument::fmt::ha3246513da4855d0
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x591e5f1bf343 - core::fmt::write::h57a19cfbcd271366
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/core/src/fmt/mod.rs:1437:21
[INFO] [stderr]      6:     0x591e5f19f643 - std::io::Write::write_fmt::h5f5d2056177ccc65
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x591e5f1a1ac2 - std::sys::backtrace::BacktraceLock::print::hcbe283386a23a2a2
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x591e5f1a2a7d - std::panicking::default_hook::{{closure}}::h1ea19eefbb4af2e7
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:284:22
[INFO] [stderr]      9:     0x591e5f1a28c2 - std::panicking::default_hook::h567ea0cff046dcc6
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:311:9
[INFO] [stderr]     10:     0x591e5f1a3077 - std::panicking::rust_panic_with_hook::h872a88734003b616
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:817:13
[INFO] [stderr]     11:     0x591e5f1a2f0a - std::panicking::begin_panic_handler::{{closure}}::hb6a77076ec551e96
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:690:13
[INFO] [stderr]     12:     0x591e5f1a2149 - std::sys::backtrace::__rust_end_short_backtrace::h75c43ba8337655cd
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x591e5f1a2b9d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:681:5
[INFO] [stderr]     14:     0x591e5f1be570 - core::panicking::panic_fmt::h64a11fb438ac3689
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x591e5f1be916 - core::result::unwrap_failed::h66f025e07e76a606
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/core/src/result.rs:1699:5
[INFO] [stderr]     16:     0x591e5f180b1c - build_script_build::main::h8f5808eb73ec943b
[INFO] [stderr]     17:     0x591e5f17acd3 - core::ops::function::FnOnce::call_once::h023a12226e7419c1
[INFO] [stderr]     18:     0x591e5f17a946 - std::sys::backtrace::__rust_begin_short_backtrace::h258651098d0b27aa
[INFO] [stderr]     19:     0x591e5f17a849 - std::rt::lang_start::{{closure}}::h8b386b2ecfac8332
[INFO] [stderr]     20:     0x591e5f19d7c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf7f8681896bee6b9
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x591e5f19d7c7 - std::panicking::try::do_call::hf376c44d7ebf2bc9
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:573:40
[INFO] [stderr]     22:     0x591e5f19d7c7 - std::panicking::try::h058e93810d3a3bad
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:536:19
[INFO] [stderr]     23:     0x591e5f19d7c7 - std::panic::catch_unwind::hf7890379ebf0703f
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x591e5f19d7c7 - std::rt::lang_start_internal::{{closure}}::h1bd77a41f25fad15
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/rt.rs:174:48
[INFO] [stderr]     25:     0x591e5f19d7c7 - std::panicking::try::do_call::hd2be82bfaf50172e
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:573:40
[INFO] [stderr]     26:     0x591e5f19d7c7 - std::panicking::try::h71cb2dbc6ccc4b56
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panicking.rs:536:19
[INFO] [stderr]     27:     0x591e5f19d7c7 - std::panic::catch_unwind::h3d151acf28e0670c
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x591e5f19d7c7 - std::rt::lang_start_internal::hb319c7cba328b516
[INFO] [stderr]                                  at /rustc/be699666730c5a1745838222e98e2d85019affdc/library/std/src/rt.rs:174:20
[INFO] [stderr]     29:     0x591e5f17a827 - std::rt::lang_start::hd25a64c20fb0b9c3
[INFO] [stderr]     30:     0x591e5f180b75 - main
[INFO] [stderr]     31:     0x7be223ccdd90 - <unknown>
[INFO] [stderr]     32:     0x7be223ccde40 - __libc_start_main
[INFO] [stderr]     33:     0x591e5f17a195 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3ad151cece9acd23c746361fe9f575a1e2c4de2c3569e0d07f2de431d9f631d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad151cece9acd23c746361fe9f575a1e2c4de2c3569e0d07f2de431d9f631d0", kill_on_drop: false }`
[INFO] [stdout] 3ad151cece9acd23c746361fe9f575a1e2c4de2c3569e0d07f2de431d9f631d0