[INFO] updating cached repository chc4/tulpa
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chc4/tulpa
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chc4/tulpa" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/chc4/tulpa"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/chc4/tulpa'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chc4/tulpa" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/chc4/tulpa"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/chc4/tulpa'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b358ad60cd54a9df7535d46bab5c7804df83888
[INFO] sha for GitHub repo chc4/tulpa: 6b358ad60cd54a9df7535d46bab5c7804df83888
[INFO] validating manifest of chc4/tulpa on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chc4/tulpa on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chc4/tulpa
[INFO] finished frobbing chc4/tulpa
[INFO] frobbed toml for chc4/tulpa written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/chc4/tulpa/Cargo.toml
[INFO] started frobbing chc4/tulpa
[INFO] finished frobbing chc4/tulpa
[INFO] frobbed toml for chc4/tulpa written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/chc4/tulpa/Cargo.toml
[INFO] crate chc4/tulpa already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chc4/tulpa against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-0/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/chc4/tulpa:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c00ffa4fba507cece01ed193e8421a8a9e78b8fd2cd5165571342fa663a96e3d
[INFO] running `"docker" "start" "-a" "c00ffa4fba507cece01ed193e8421a8a9e78b8fd2cd5165571342fa663a96e3d"`
[INFO] [stderr]    Compiling lalrpop-util v0.16.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling luther-derive v0.1.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling lalrpop-snap v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking luther v0.1.0
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling lalrpop v0.16.0
[INFO] [stderr] error: failed to run custom build command for `lalrpop v0.16.0`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/lalrpop-ddd3cc212d007470/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:     0x55e2c0b81b43 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::he40e3e73036b0b3f
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55e2c0b7d80b - std::sys_common::backtrace::_print::h6d6f6242937d4268
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55e2c0b80956 - std::panicking::default_hook::{{closure}}::hd0821dee96f91765
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55e2c0b806e9 - std::panicking::default_hook::h8dc8a77692be60de
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55e2c0b80fff - std::panicking::rust_panic_with_hook::he8c6e40be53e89a5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55e2c0b80b81 - std::panicking::continue_panic_fmt::h24ac15689db01f04
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55e2c0b80a65 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55e2c0b965fc - core::panicking::panic_fmt::h64a7b003b9ca6c01
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55e2c011aec4 - core::result::unwrap_failed::hdd68e368db975a52
[INFO] [stderr]                                at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55e2c011af6f - core::result::Result<T,E>::unwrap::h480f8b2915275e3f
[INFO] [stderr]                                at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55e2c011aca2 - build_script_build::main::h431c7a9d0b132910
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4
[INFO] [stderr]   11:     0x55e2c011b3af - std::rt::lang_start::{{closure}}::h4bc65351e660d72e
[INFO] [stderr]                                at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55e2c0b80a02 - std::panicking::try::do_call::h03c9792ab8ffda62
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55e2c0b83ed9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55e2c0b8150c - std::rt::lang_start_internal::h0a8566bec8d08064
[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:     0x55e2c011b388 - std::rt::lang_start::hbf8f4d3afea76797
[INFO] [stderr]                                at /rustc/bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55e2c011acd9 - main
[INFO] [stderr]   17:     0x7ff61787f2e0 - __libc_start_main
[INFO] [stderr]   18:     0x55e2c011ab79 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c00ffa4fba507cece01ed193e8421a8a9e78b8fd2cd5165571342fa663a96e3d"`
[INFO] running `"docker" "rm" "-f" "c00ffa4fba507cece01ed193e8421a8a9e78b8fd2cd5165571342fa663a96e3d"`
[INFO] [stdout] c00ffa4fba507cece01ed193e8421a8a9e78b8fd2cd5165571342fa663a96e3d