[INFO] updating cached repository iptq/erviz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iptq/erviz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iptq/erviz" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/iptq/erviz"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/iptq/erviz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iptq/erviz" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/iptq/erviz"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/iptq/erviz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dcd4c1e7e743afa212843ec9adc78a1e40c1957
[INFO] sha for GitHub repo iptq/erviz: 4dcd4c1e7e743afa212843ec9adc78a1e40c1957
[INFO] validating manifest of iptq/erviz on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iptq/erviz on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iptq/erviz
[INFO] finished frobbing iptq/erviz
[INFO] frobbed toml for iptq/erviz written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/iptq/erviz/Cargo.toml
[INFO] started frobbing iptq/erviz
[INFO] finished frobbing iptq/erviz
[INFO] frobbed toml for iptq/erviz written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/iptq/erviz/Cargo.toml
[INFO] crate iptq/erviz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking iptq/erviz against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-4/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/iptq/erviz:/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63c4818daae5135b3dc0aaeaec21aefcbf89ea19e44d76a989f37b8872a1da8c
[INFO] running `"docker" "start" "-a" "63c4818daae5135b3dc0aaeaec21aefcbf89ea19e44d76a989f37b8872a1da8c"`
[INFO] [stderr]    Compiling lalrpop-util v0.16.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling lalrpop-snap v0.16.0
[INFO] [stderr]    Compiling lalrpop v0.16.0
[INFO] [stderr] error: failed to run custom build command for `lalrpop v0.16.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/lalrpop-28d6704235dc3f09/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/src/parser/lrgrammar.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:     0x5590f76da7fa - backtrace::backtrace::libunwind::trace::h95cf0d6f90455f99
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x5590f76da7fa - backtrace::backtrace::trace_unsynchronized::hf1bc4b307d386ce0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5590f76da7fa - std::sys_common::backtrace::_print::h17c85b34b8085bc3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5590f76da7fa - std::sys_common::backtrace::print::hcd95718fa811f3ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5590f76da7fa - std::panicking::default_hook::{{closure}}::h9a777852f3c432bb
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x5590f76da4fb - std::panicking::default_hook::h20a55232f8970617
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x5590f76daf0f - std::panicking::rust_panic_with_hook::h5522dfdebc12d6f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x5590f76daa91 - std::panicking::continue_panic_fmt::h2e20e3cd1b619a34
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x5590f76da975 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    9:     0x5590f76f45bc - core::panicking::panic_fmt::he1d95cf9fc209195
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5590f6bf6684 - core::result::unwrap_failed::hd81b0c5468303d7b
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5590f6bf674a - core::result::Result<T,E>::unwrap::h40f0de3fd5cc914b
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x5590f6bf6832 - build_script_build::main::h3fb437581262ee59
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4
[INFO] [stderr]   13:     0x5590f6bf640f - std::rt::lang_start::{{closure}}::h89f4939180954311
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5590f76da912 - std::rt::lang_start_internal::{{closure}}::h6ec740df5798a70a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5590f76da912 - std::panicking::try::do_call::h93c284c7f36c2a33
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x5590f76ddb29 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x5590f76db41c - std::panicking::try::h3886393c741bda4e
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   18:     0x5590f76db41c - std::panic::catch_unwind::ha7941002b1d0656b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5590f76db41c - std::rt::lang_start_internal::h1525a1979960fe11
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5590f6bf63e8 - std::rt::lang_start::h8835c3acc1579438
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5590f6bf6869 - main
[INFO] [stderr]   22:     0x7f9f52e702e0 - __libc_start_main
[INFO] [stderr]   23:     0x5590f6bf60e9 - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "63c4818daae5135b3dc0aaeaec21aefcbf89ea19e44d76a989f37b8872a1da8c"`
[INFO] running `"docker" "rm" "-f" "63c4818daae5135b3dc0aaeaec21aefcbf89ea19e44d76a989f37b8872a1da8c"`
[INFO] [stdout] 63c4818daae5135b3dc0aaeaec21aefcbf89ea19e44d76a989f37b8872a1da8c