[INFO] updating cached repository https://github.com/jimblandy/fxsnapshot [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c7eceaa6943fecf213e0ac89e9c5c329038792a [INFO] testing jimblandy/fxsnapshot against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jimblandy/fxsnapshot on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jimblandy/fxsnapshot [INFO] finished tweaking git repo https://github.com/jimblandy/fxsnapshot [INFO] tweaked toml for git repo https://github.com/jimblandy/fxsnapshot written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/jimblandy/fxsnapshot already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 471c9462d9c62a160b20a6784ba244dcc2c8d76ae943e112a824c3709d0f435f [INFO] running `"docker" "start" "-a" "471c9462d9c62a160b20a6784ba244dcc2c8d76ae943e112a824c3709d0f435f"` [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 syn v0.14.9 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling sha2 v0.7.1 [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 synstructure v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling pb-rs v0.5.0 [INFO] [stderr] Compiling quick-protobuf v0.6.3 [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/rustwide/target/debug/build/lalrpop-9a11bcfed6a3b687/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/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:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d96bce4304 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55d96bce4304 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d96bce4304 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55d96bce4304 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55d96bd0363c - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55d96bce1607 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55d96bce6705 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55d96bce6705 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d96bce6705 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55d96bce63f6 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55d96bce6da5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55d96bce6942 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x55d96bce6836 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x55d96bcfff6a - core::panicking::panic_fmt::h467e0364f9237670 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x55d96bd00067 - core::result::unwrap_failed::h38f3a56f1dadf080 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55d96b1d1c18 - core::result::Result::unwrap::h3317933d7e4d44ad [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55d96b1d1e23 - build_script_build::main::h0e9ce988e0bbaaf2 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4 [INFO] [stderr] 17: 0x55d96b1d19f0 - std::rt::lang_start::{{closure}}::h5ce3a4e8bbb94ad8 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55d96bce67d3 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55d96bce67d3 - std::panicking::try::do_call::hd308ec0604b9bc21 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x55d96bce951a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55d96bce729d - std::panicking::try::hafc45125a5bd2b22 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x55d96bce729d - std::panic::catch_unwind::h8494678ec44c4b51 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55d96bce729d - std::rt::lang_start_internal::h7404667a595739f8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55d96b1d19c9 - std::rt::lang_start::h3e386ce417f54e41 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55d96b1d1e5a - main [INFO] [stderr] 26: 0x7f2d0d3aeb97 - __libc_start_main [INFO] [stderr] 27: 0x55d96b1d187a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "471c9462d9c62a160b20a6784ba244dcc2c8d76ae943e112a824c3709d0f435f"` [INFO] running `"docker" "rm" "-f" "471c9462d9c62a160b20a6784ba244dcc2c8d76ae943e112a824c3709d0f435f"` [INFO] [stdout] 471c9462d9c62a160b20a6784ba244dcc2c8d76ae943e112a824c3709d0f435f