[INFO] updating cached repository mozkeeler/logical
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mozkeeler/logical
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mozkeeler/logical" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mozkeeler/logical"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mozkeeler/logical'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mozkeeler/logical" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mozkeeler/logical"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mozkeeler/logical'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c354ebd09f51dee9f9cebb772b4462555dacb4ae
[INFO] sha for GitHub repo mozkeeler/logical: c354ebd09f51dee9f9cebb772b4462555dacb4ae
[INFO] validating manifest of mozkeeler/logical on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mozkeeler/logical on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mozkeeler/logical
[INFO] finished frobbing mozkeeler/logical
[INFO] frobbed toml for mozkeeler/logical written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mozkeeler/logical/Cargo.toml
[INFO] started frobbing mozkeeler/logical
[INFO] finished frobbing mozkeeler/logical
[INFO] frobbed toml for mozkeeler/logical written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mozkeeler/logical/Cargo.toml
[INFO] crate mozkeeler/logical already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mozkeeler/logical against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-4/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mozkeeler/logical:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eac352820e9cdfe2b6e60bd9a97de4dedb4a979b89e96b88b8dae36565154cdf
[INFO] running `"docker" "start" "-a" "eac352820e9cdfe2b6e60bd9a97de4dedb4a979b89e96b88b8dae36565154cdf"`
[INFO] [stderr]    Compiling lalrpop-util v0.16.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling lalrpop-snap v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/lalrpop-8e4ce5537188b551/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:     0x5562537051eb - backtrace::backtrace::libunwind::trace::h71e4540e71944056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5562537051eb - backtrace::backtrace::trace_unsynchronized::hffa2876a8790e01b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5562537051eb - std::sys_common::backtrace::_print::h371b924ab74cc773
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5562537051eb - std::sys_common::backtrace::print::hf78899287e85cf2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5562537051eb - std::panicking::default_hook::{{closure}}::h05c8d3553d86c2ee
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x556253704eec - std::panicking::default_hook::h7c20415196a07833
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x556253705900 - std::panicking::rust_panic_with_hook::h6ba877a55cae0bf5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x556253705482 - std::panicking::continue_panic_fmt::h56f73b67c1dd17cd
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x556253705366 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55625371f10d - core::panicking::panic_fmt::h154071fbd0349f01
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x556252c1b455 - core::result::unwrap_failed::h4d10b00594813597
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x556252c1b51b - core::result::Result<T,E>::unwrap::hc6550bfb5161fcba
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x556252c1b773 - build_script_build::main::h62c092e6f60fdda4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4
[INFO] [stderr]   13:     0x556252c1b730 - std::rt::lang_start::{{closure}}::hffd1f46e11ff03bb
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x556253705303 - std::rt::lang_start_internal::{{closure}}::h09082dcbd0a154ff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x556253705303 - std::panicking::try::do_call::h1a2983cc32cc1de1
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x5562537084ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x556253705e0d - std::panicking::try::hb2142adcc3ab321d
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x556253705e0d - std::panic::catch_unwind::h01a1f6df3a4217f6
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x556253705e0d - std::rt::lang_start_internal::ha9e35ae2968d2203
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x556252c1b709 - std::rt::lang_start::he191398177e69a1b
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x556252c1b7aa - main
[INFO] [stderr]   22:     0x7f60613af2e1 - __libc_start_main
[INFO] [stderr]   23:     0x556252c1b05a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "eac352820e9cdfe2b6e60bd9a97de4dedb4a979b89e96b88b8dae36565154cdf"`
[INFO] running `"docker" "rm" "-f" "eac352820e9cdfe2b6e60bd9a97de4dedb4a979b89e96b88b8dae36565154cdf"`
[INFO] [stdout] eac352820e9cdfe2b6e60bd9a97de4dedb4a979b89e96b88b8dae36565154cdf