[INFO] crate rsmorphy-dict-uk 0.0.0 is already in cache [INFO] extracting crate rsmorphy-dict-uk 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rsmorphy-dict-uk/0.0.0 [INFO] extracting crate rsmorphy-dict-uk 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rsmorphy-dict-uk/0.0.0 [INFO] validating manifest of rsmorphy-dict-uk-0.0.0 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 rsmorphy-dict-uk-0.0.0 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 rsmorphy-dict-uk-0.0.0 [INFO] finished frobbing rsmorphy-dict-uk-0.0.0 [INFO] frobbed toml for rsmorphy-dict-uk-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rsmorphy-dict-uk/0.0.0/Cargo.toml [INFO] started frobbing rsmorphy-dict-uk-0.0.0 [INFO] finished frobbing rsmorphy-dict-uk-0.0.0 [INFO] frobbed toml for rsmorphy-dict-uk-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rsmorphy-dict-uk/0.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 rsmorphy-dict-uk-0.0.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rsmorphy-dict-uk/0.0.0:/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] 7169d8528f8183778a946d728d5c9a89bb7c0a7a0a723d9d39035510baf7d040 [INFO] running `"docker" "start" "-a" "7169d8528f8183778a946d728d5c9a89bb7c0a7a0a723d9d39035510baf7d040"` [INFO] [stderr] Compiling rsmorphy-dict-uk v0.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `out_dir` [INFO] [stderr] --> build.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let out_dir = env::var("OUT_DIR").unwrap(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_out_dir` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `rsmorphy-dict-uk v0.0.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rsmorphy-dict-uk-e16e3be8aaf89640/build-script-build` (exit code: 101) [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: 0x56143fa821eb - 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: 0x56143fa821eb - 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: 0x56143fa821eb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56143fa821eb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56143fa821eb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x56143fa81ec7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x56143fa828b0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x56143fa82432 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x56143fa82316 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x56143fa9b2dd - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x56143fa72bbf - core::result::unwrap_failed::h3458fca80d72cd15 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x56143fa73738 - core::result::Result::unwrap::h19c7fa8456994bc3 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x56143fa6daa9 - build_script_build::main::h39ed5ee67ca8b1f4 [INFO] [stderr] at /opt/crater/workdir/build.rs:16 [INFO] [stderr] 13: 0x56143fa709e0 - std::rt::lang_start::{{closure}}::hb579656d03470b9c [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x56143fa82303 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x56143fa82303 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x56143fa8895a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x56143fa82dbd - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x56143fa82dbd - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x56143fa82dbd - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x56143fa709b9 - std::rt::lang_start::hcd8da481bad80a11 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56143fa6dfba - main [INFO] [stderr] 22: 0x7f35558932e1 - __libc_start_main [INFO] [stderr] 23: 0x56143fa6ac0a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "7169d8528f8183778a946d728d5c9a89bb7c0a7a0a723d9d39035510baf7d040"` [INFO] running `"docker" "rm" "-f" "7169d8528f8183778a946d728d5c9a89bb7c0a7a0a723d9d39035510baf7d040"` [INFO] [stdout] 7169d8528f8183778a946d728d5c9a89bb7c0a7a0a723d9d39035510baf7d040