[INFO] crate rustpython 0.1.0 is already in cache [INFO] extracting crate rustpython 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustpython/0.1.0 [INFO] extracting crate rustpython 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustpython/0.1.0 [INFO] validating manifest of rustpython-0.1.0 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 rustpython-0.1.0 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 rustpython-0.1.0 [INFO] finished frobbing rustpython-0.1.0 [INFO] frobbed toml for rustpython-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustpython/0.1.0/Cargo.toml [INFO] started frobbing rustpython-0.1.0 [INFO] finished frobbing rustpython-0.1.0 [INFO] frobbed toml for rustpython-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustpython/0.1.0/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 rustpython-0.1.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustpython/0.1.0:/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] c064098e49945581a9541bfd97515672038ca973073c6d6f43ba0074d302c48d [INFO] running `"docker" "start" "-a" "c064098e49945581a9541bfd97515672038ca973073c6d6f43ba0074d302c48d"` [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling either v1.5.2 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling proc-macro-hack-impl v0.3.3 [INFO] [stderr] Compiling wtf8 v0.0.3 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling unic-char-basics v0.9.0 [INFO] [stderr] Compiling hexf-parse v0.1.0 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling unic-idna-punycode v0.9.0 [INFO] [stderr] Compiling rustpython-vm v0.1.0 [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling unicode-casing v0.1.0 [INFO] [stderr] Compiling unicode_names2 v0.2.2 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling proc-macro-hack v0.3.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling unic-char v0.9.0 [INFO] [stderr] Compiling unic-ucd-hangul v0.9.0 [INFO] [stderr] Compiling unic-ucd-category v0.9.0 [INFO] [stderr] Compiling unic-emoji-char v0.9.0 [INFO] [stderr] Compiling unic-ucd-case v0.9.0 [INFO] [stderr] Compiling unic-ucd-segment v0.9.0 [INFO] [stderr] Compiling unic-ucd-age v0.9.0 [INFO] [stderr] Compiling unic-ucd-name_aliases v0.9.0 [INFO] [stderr] Compiling unic-ucd-bidi v0.9.0 [INFO] [stderr] Compiling unic-ucd-block v0.9.0 [INFO] [stderr] Compiling unic-idna-mapping v0.9.0 [INFO] [stderr] Compiling unic-ucd-common v0.9.0 [INFO] [stderr] Compiling unic-ucd-ident v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.3 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling hexf-impl v0.1.0 [INFO] [stderr] Compiling unic-ucd-name v0.9.0 [INFO] [stderr] Compiling unic-emoji v0.9.0 [INFO] [stderr] Compiling unic-ucd-normal v0.9.0 [INFO] [stderr] Compiling unic-bidi v0.9.0 [INFO] [stderr] Compiling statrs v0.10.0 [INFO] [stderr] Compiling unic-segment v0.9.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-842c141438d5f75c/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: 0x560d244a2beb - 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: 0x560d244a2beb - 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: 0x560d244a2beb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x560d244a2beb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x560d244a2beb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x560d244a28c7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x560d244a32b0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x560d244a2e32 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x560d244a2d16 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x560d244bc14d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x560d24471d33 - core::result::unwrap_failed::h1295529086e1a33c [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x560d24472498 - core::result::Result::unwrap::hf5d7bee6c6df7a23 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x560d2446fb3b - build_script_build::main::hcc379f5ec0cc97d5 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 13: 0x560d24471300 - std::rt::lang_start::{{closure}}::he67a89c11b3b7de2 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x560d244a2d03 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x560d244a2d03 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x560d244a90ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x560d244a37bd - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x560d244a37bd - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x560d244a37bd - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x560d244712d9 - std::rt::lang_start::h4c7989e26c5dd3b7 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x560d24470b3a - main [INFO] [stderr] 22: 0x7f16b77c42e1 - __libc_start_main [INFO] [stderr] 23: 0x560d2446f4ba - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c064098e49945581a9541bfd97515672038ca973073c6d6f43ba0074d302c48d"` [INFO] running `"docker" "rm" "-f" "c064098e49945581a9541bfd97515672038ca973073c6d6f43ba0074d302c48d"` [INFO] [stdout] c064098e49945581a9541bfd97515672038ca973073c6d6f43ba0074d302c48d