[INFO] crate rustpython-vm 0.1.0 is already in cache [INFO] extracting crate rustpython-vm 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustpython-vm/0.1.0 [INFO] extracting crate rustpython-vm 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustpython-vm/0.1.0 [INFO] validating manifest of rustpython-vm-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-vm-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-vm-0.1.0 [INFO] finished frobbing rustpython-vm-0.1.0 [INFO] frobbed toml for rustpython-vm-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustpython-vm/0.1.0/Cargo.toml [INFO] started frobbing rustpython-vm-0.1.0 [INFO] finished frobbing rustpython-vm-0.1.0 [INFO] frobbed toml for rustpython-vm-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustpython-vm/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-vm-0.1.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustpython-vm/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 4cbc7c73591ed664c5cc68c5312bac6a78b8f9ef4dc53f10b2f83cb68ffe6cf8 [INFO] running `"docker" "start" "-a" "4cbc7c73591ed664c5cc68c5312bac6a78b8f9ef4dc53f10b2f83cb68ffe6cf8"` [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling num-bigint v0.2.2 [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 unic-char-basics v0.9.0 [INFO] [stderr] Compiling unic-idna-punycode v0.9.0 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling hexf-parse v0.1.0 [INFO] [stderr] Compiling rustpython-vm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling unicode_categories v0.1.1 [INFO] [stderr] Compiling unicode-casing v0.1.0 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling unicode_names2 v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [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 block-padding v0.1.4 [INFO] [stderr] Compiling unic-char-property v0.9.0 [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 proc-macro-hack v0.3.3 [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-ident v0.9.0 [INFO] [stderr] Compiling unic-ucd-block v0.9.0 [INFO] [stderr] Compiling unic-ucd-common 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-bidi v0.9.0 [INFO] [stderr] Compiling unic-ucd-name_aliases v0.9.0 [INFO] [stderr] Compiling unic-ucd-case v0.9.0 [INFO] [stderr] Compiling unic-idna-mapping v0.9.0 [INFO] [stderr] Compiling unic-char v0.9.0 [INFO] [stderr] Compiling generic-array v0.12.3 [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 rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling lexical v2.2.2 [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 digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [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-1e2c66c36e0199cf/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55da20cafedb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55da20cafedb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55da20cafedb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55da20cafedb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55da20cafedb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55da20cafbb6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55da20cb059d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55da20cb0122 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55da20cb0006 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55da20cc95ad - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55da20cc96a7 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55da20c80d60 - core::result::Result::unwrap::h46886b695c0873db [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55da20c7d5db - build_script_build::main::h49b4003bdd6c352b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 13: 0x55da20c7ed70 - std::rt::lang_start::{{closure}}::h653ec801f246f429 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55da20cafff3 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55da20cafff3 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55da20cb65da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55da20cb0aad - std::panicking::try::h4af22d9cb0afa351 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55da20cb0aad - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55da20cb0aad - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55da20c7ed49 - std::rt::lang_start::h2666b4cbcc2d1f21 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55da20c7e5ba - main [INFO] [stderr] 22: 0x7f5e19ba62e1 - __libc_start_main [INFO] [stderr] 23: 0x55da20c7cf8a - _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" "4cbc7c73591ed664c5cc68c5312bac6a78b8f9ef4dc53f10b2f83cb68ffe6cf8"` [INFO] running `"docker" "rm" "-f" "4cbc7c73591ed664c5cc68c5312bac6a78b8f9ef4dc53f10b2f83cb68ffe6cf8"` [INFO] [stdout] 4cbc7c73591ed664c5cc68c5312bac6a78b8f9ef4dc53f10b2f83cb68ffe6cf8