[INFO] updating cached repository seansfkelley/rt-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/seansfkelley/rt-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/seansfkelley/rt-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/seansfkelley/rt-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/seansfkelley/rt-rs'... [INFO] [stderr] done. 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[INFO] running `"git" "clone" "work/cache/sources/gh/seansfkelley/rt-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seansfkelley/rt-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seansfkelley/rt-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 41de76ffbe4bbcd82f11b73308acffd489fc08a6 [INFO] sha for GitHub repo seansfkelley/rt-rs: 41de76ffbe4bbcd82f11b73308acffd489fc08a6 [INFO] validating manifest of seansfkelley/rt-rs on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of seansfkelley/rt-rs on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing seansfkelley/rt-rs [INFO] finished frobbing seansfkelley/rt-rs [INFO] frobbed toml for seansfkelley/rt-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/seansfkelley/rt-rs/Cargo.toml [INFO] started frobbing seansfkelley/rt-rs [INFO] finished frobbing seansfkelley/rt-rs [INFO] frobbed toml for seansfkelley/rt-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/seansfkelley/rt-rs/Cargo.toml [INFO] crate seansfkelley/rt-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing seansfkelley/rt-rs against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/seansfkelley/rt-rs:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] b4506113990f891429a5ebcf87ab039f198d51b40ddcce24df1e5e03aa2ba763 [INFO] running `"docker" "start" "-a" "b4506113990f891429a5ebcf87ab039f198d51b40ddcce24df1e5e03aa2ba763"` [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling terminal_size v0.1.8 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling syn v0.15.6 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling noise v0.4.1 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling rayon v0.9.0 [INFO] [stderr] Compiling lalrpop-snap v0.16.0 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.17.0 [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-751a7aa41506b8b8/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: 0x55f649d0c53b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f649d0c53b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f649d0c53b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55f649d0c53b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55f649d0c53b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55f649d0c217 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55f649d0cc50 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55f649d0c7d2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55f649d0c6b6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55f649d25e6d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55f6492274e5 - core::result::unwrap_failed::h2a452a5c66bbcad1 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x55f6492275ab - core::result::Result::unwrap::h27ee1b42bedd7c18 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x55f6492270a3 - build_script_build::main::h8df78b18927d7961 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4 [INFO] [stderr] 13: 0x55f649227390 - std::rt::lang_start::{{closure}}::hdf22aacf977d8199 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55f649d0c653 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55f649d0c653 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55f649d0f1fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55f649d0d15d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55f649d0d15d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55f649d0d15d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55f649227369 - std::rt::lang_start::h94291c4271edbfc2 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55f6492270da - main [INFO] [stderr] 22: 0x7fa015a2f2e1 - __libc_start_main [INFO] [stderr] 23: 0x55f649226eea - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "b4506113990f891429a5ebcf87ab039f198d51b40ddcce24df1e5e03aa2ba763"` [INFO] running `"docker" "rm" "-f" "b4506113990f891429a5ebcf87ab039f198d51b40ddcce24df1e5e03aa2ba763"` [INFO] [stdout] b4506113990f891429a5ebcf87ab039f198d51b40ddcce24df1e5e03aa2ba763