[INFO] updating cached repository QuarkDoe/ConstrainsParser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/QuarkDoe/ConstrainsParser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/QuarkDoe/ConstrainsParser" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/QuarkDoe/ConstrainsParser"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/QuarkDoe/ConstrainsParser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/QuarkDoe/ConstrainsParser" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/QuarkDoe/ConstrainsParser"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/QuarkDoe/ConstrainsParser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a226eb41e0b364e7ac290ad2fa7d49a9b78c5dc
[INFO] sha for GitHub repo QuarkDoe/ConstrainsParser: 6a226eb41e0b364e7ac290ad2fa7d49a9b78c5dc
[INFO] validating manifest of QuarkDoe/ConstrainsParser on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of QuarkDoe/ConstrainsParser on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing QuarkDoe/ConstrainsParser
[INFO] finished frobbing QuarkDoe/ConstrainsParser
[INFO] frobbed toml for QuarkDoe/ConstrainsParser written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/QuarkDoe/ConstrainsParser/Cargo.toml
[INFO] started frobbing QuarkDoe/ConstrainsParser
[INFO] finished frobbing QuarkDoe/ConstrainsParser
[INFO] frobbed toml for QuarkDoe/ConstrainsParser written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/QuarkDoe/ConstrainsParser/Cargo.toml
[INFO] crate QuarkDoe/ConstrainsParser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/QuarkDoe/ConstrainsParser/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking QuarkDoe/ConstrainsParser against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-6/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/QuarkDoe/ConstrainsParser:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b2dd1123bc9a403cc4096e66f0d4fe21e96e708c485f3c904f0b083e7424b82
[INFO] running `"docker" "start" "-a" "8b2dd1123bc9a403cc4096e66f0d4fe21e96e708c485f3c904f0b083e7424b82"`
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling strsim v0.9.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `parser v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/parser-801270467c0fb77a/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/crater/workdir/etc/calculator1.lalrpop`
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b668591353 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6515ec1ef9594192
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55b66858d02b - std::sys_common::backtrace::_print::hb215987fd0f3bdab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55b668590176 - std::panicking::default_hook::{{closure}}::h4a8ac437a15b7e61
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55b66858ff0b - std::panicking::default_hook::h00c4e1197baff538
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55b66859081f - std::panicking::rust_panic_with_hook::haeaa430055d89a32
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55b6685903a1 - std::panicking::continue_panic_fmt::h5fd4309c55432650
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55b668590285 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55b6685a59bc - core::panicking::panic_fmt::h47c85e4f40885754
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55b667c35f94 - core::result::unwrap_failed::hd1c71d4f020d5541
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55b667c3605a - core::result::Result<T,E>::unwrap::h0832f5c49917c711
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55b667c35ddd - build_script_build::main::h73c02d01421ab06d
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:5
[INFO] [stderr]   11:     0x55b667c3613f - std::rt::lang_start::{{closure}}::hed568a22895e151b
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55b668590222 - std::panicking::try::do_call::h872832f9771f0a0e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55b6685935b9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55b668590d2c - std::rt::lang_start_internal::h47b7b8d4b465778b
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55b667c36118 - std::rt::lang_start::h1fd272b9408d1a89
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55b667c35e39 - main
[INFO] [stderr]   17:     0x7f54e59132e0 - __libc_start_main
[INFO] [stderr]   18:     0x55b667c35929 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8b2dd1123bc9a403cc4096e66f0d4fe21e96e708c485f3c904f0b083e7424b82"`
[INFO] running `"docker" "rm" "-f" "8b2dd1123bc9a403cc4096e66f0d4fe21e96e708c485f3c904f0b083e7424b82"`
[INFO] [stdout] 8b2dd1123bc9a403cc4096e66f0d4fe21e96e708c485f3c904f0b083e7424b82