[INFO] cloning repository https://github.com/pyk/peg-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pyk/peg-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyk%2Fpeg-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyk%2Fpeg-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8ed26a0466b40eb7eacd172aeaa69bfab6fc5b1
[INFO] checking pyk/peg-generator against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyk%2Fpeg-generator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pyk/peg-generator on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pyk/peg-generator
[INFO] finished tweaking git repo https://github.com/pyk/peg-generator
[INFO] tweaked toml for git repo https://github.com/pyk/peg-generator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pyk/peg-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ac63bbe9af9325c794455346fd66ce5679c7f607d392b3f2c41984e47fcef23
[INFO] running `Command { std: "docker" "start" "-a" "6ac63bbe9af9325c794455346fd66ce5679c7f607d392b3f2c41984e47fcef23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ac63bbe9af9325c794455346fd66ce5679c7f607d392b3f2c41984e47fcef23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac63bbe9af9325c794455346fd66ce5679c7f607d392b3f2c41984e47fcef23", kill_on_drop: false }`
[INFO] [stdout] 6ac63bbe9af9325c794455346fd66ce5679c7f607d392b3f2c41984e47fcef23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 026650e48de50816c019f0c507fefae3a4a2a7d8cbc0d23080f0e57e43cc0224
[INFO] running `Command { std: "docker" "start" "-a" "026650e48de50816c019f0c507fefae3a4a2a7d8cbc0d23080f0e57e43cc0224", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling peg v0.5.4
[INFO] [stderr]    Compiling peg-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `peg-generator v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/peg-generator-a7818c00ebcd0ca7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:17:39
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b6761ba67c - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55b6761ba67c - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b6761ba67c - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b6761ba67c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h06b8f714a0700be1
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b6761d3d6c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55b6761b87c5 - std::io::Write::write_fmt::hb1c61d571fcd8cbf
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55b6761bbdb0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b6761bbdb0 - std::sys_common::backtrace::print::hae7d6625a78cd32e
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b6761bbdb0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55b6761bb96b - std::panicking::default_hook::h5dc58e323cddd123
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55b6761bc464 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55b6761bbf40 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55b6761bab44 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b6761bbea9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55b67613feb1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x55b67613ff43 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55b676142cfd - core::result::Result<T,E>::unwrap::h641f0dad637e1c3f
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/result.rs:1299:23
[INFO] [stderr]     17:     0x55b6761435c3 - build_script_build::main::h834573281ef440eb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:17:17
[INFO] [stderr]     18:     0x55b676141b1b - core::ops::function::FnOnce::call_once::h5e4dbc16d7c432eb
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55b6761418fe - std::sys_common::backtrace::__rust_begin_short_backtrace::he9c895da2c9fb162
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55b6761417d1 - std::rt::lang_start::{{closure}}::he473a438ff234bff
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55b6761bc96a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc9bc8961e4809a14
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55b6761bc96a - std::panicking::try::do_call::h6f00e12df2af6579
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x55b6761bc96a - std::panicking::try::h588c31a0a9a8ad2c
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x55b6761bc96a - std::panic::catch_unwind::h8ebc4fcb0e51bec0
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x55b6761bc96a - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55b6761bc96a - std::panicking::try::do_call::hf70c5056d8b410b7
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x55b6761bc96a - std::panicking::try::h0c680320de5deb84
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x55b6761bc96a - std::panic::catch_unwind::h7b94a99f13366c53
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x55b6761bc96a - std::rt::lang_start_internal::hca14fb2549072049
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55b6761417a0 - std::rt::lang_start::h73f6d7a3ec5fb176
[INFO] [stderr]                                  at /rustc/0599f3403366d9c57f0625e6de3af214b5042a90/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55b67614392c - main
[INFO] [stderr]     32:     0x7fa0321940b3 - __libc_start_main
[INFO] [stderr]     33:     0x55b67614060e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "026650e48de50816c019f0c507fefae3a4a2a7d8cbc0d23080f0e57e43cc0224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026650e48de50816c019f0c507fefae3a4a2a7d8cbc0d23080f0e57e43cc0224", kill_on_drop: false }`
[INFO] [stdout] 026650e48de50816c019f0c507fefae3a4a2a7d8cbc0d23080f0e57e43cc0224