[INFO] updating cached repository jimblandy/fxsnapshot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jimblandy/fxsnapshot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/fxsnapshot" "work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/fxsnapshot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/fxsnapshot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/fxsnapshot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/fxsnapshot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/fxsnapshot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c7eceaa6943fecf213e0ac89e9c5c329038792a [INFO] sha for GitHub repo jimblandy/fxsnapshot: 8c7eceaa6943fecf213e0ac89e9c5c329038792a [INFO] validating manifest of jimblandy/fxsnapshot on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jimblandy/fxsnapshot on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jimblandy/fxsnapshot [INFO] finished frobbing jimblandy/fxsnapshot [INFO] frobbed toml for jimblandy/fxsnapshot written to work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/fxsnapshot/Cargo.toml [INFO] started frobbing jimblandy/fxsnapshot [INFO] finished frobbing jimblandy/fxsnapshot [INFO] frobbed toml for jimblandy/fxsnapshot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/fxsnapshot/Cargo.toml [INFO] crate jimblandy/fxsnapshot already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jimblandy/fxsnapshot against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/fxsnapshot:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] adaa9eae7cbd47910135e8c66567dfb450628cc0a6459f2d3fccaa7b11e8d7a1 [INFO] running `"docker" "start" "-a" "adaa9eae7cbd47910135e8c66567dfb450628cc0a6459f2d3fccaa7b11e8d7a1"` [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling fallible-iterator v0.2.0 (https://github.com/sfackler/rust-fallible-iterator.git?rev=11ea3bf0e6ad2bc4f4fe220d6c3332942e5dfa35#11ea3bf0) [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling serde_derive v1.0.78 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling quick-protobuf v0.6.3 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling pb-rs v0.5.0 [INFO] [stderr] Compiling lalrpop-snap v0.16.0 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/lalrpop-a9066c368fdbe9ec/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: 0x55f0a3d3c1cb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f0a3d3c1cb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f0a3d3c1cb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f0a3d3c1cb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f0a3d3c1cb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55f0a3d3bea7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55f0a3d3c8e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55f0a3d3c462 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55f0a3d3c346 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55f0a3d55afd - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55f0a325b2e5 - core::result::unwrap_failed::h6b1fbded0f50ca0b [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55f0a325b3ab - core::result::Result::unwrap::h918cb639d55442d3 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55f0a325b4b3 - build_script_build::main::h6b893fce878f3025 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4 [INFO] [stderr] 13: 0x55f0a325b100 - std::rt::lang_start::{{closure}}::hd65c26b25760e974 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55f0a3d3c2e3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55f0a3d3c2e3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55f0a3d3ee8a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55f0a3d3cded - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55f0a3d3cded - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55f0a3d3cded - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55f0a325b0d9 - std::rt::lang_start::h967e7428a2c4bfde [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55f0a325b4ea - main [INFO] [stderr] 22: 0x7f85faa4a2e1 - __libc_start_main [INFO] [stderr] 23: 0x55f0a325acea - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "adaa9eae7cbd47910135e8c66567dfb450628cc0a6459f2d3fccaa7b11e8d7a1"` [INFO] running `"docker" "rm" "-f" "adaa9eae7cbd47910135e8c66567dfb450628cc0a6459f2d3fccaa7b11e8d7a1"` [INFO] [stdout] adaa9eae7cbd47910135e8c66567dfb450628cc0a6459f2d3fccaa7b11e8d7a1