[INFO] cloning repository Usummon/tic-tac-toe [INFO] running `"git" "clone" "--bare" "git://github.com/Usummon/tic-tac-toe.git" "work/cache/sources/gh/Usummon/tic-tac-toe"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Usummon/tic-tac-toe'... [INFO] running `"git" "clone" "work/cache/sources/gh/Usummon/tic-tac-toe" "work/ex/beta-1.37-6/sources/1.36.0/gh/Usummon/tic-tac-toe"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Usummon/tic-tac-toe'... [INFO] [stderr] done. 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[INFO] running `"git" "clone" "work/cache/sources/gh/Usummon/tic-tac-toe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Usummon/tic-tac-toe"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Usummon/tic-tac-toe'... [INFO] [stderr] done. 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[INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f2c460c4cf1d7830343ed2dd6ca53a7593e0768 [INFO] sha for GitHub repo Usummon/tic-tac-toe: 2f2c460c4cf1d7830343ed2dd6ca53a7593e0768 [INFO] validating manifest of Usummon/tic-tac-toe on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Usummon/tic-tac-toe on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Usummon/tic-tac-toe [INFO] finished frobbing Usummon/tic-tac-toe [INFO] frobbed toml for Usummon/tic-tac-toe written to work/ex/beta-1.37-6/sources/1.36.0/gh/Usummon/tic-tac-toe/Cargo.toml [INFO] started frobbing Usummon/tic-tac-toe [INFO] finished frobbing Usummon/tic-tac-toe [INFO] frobbed toml for Usummon/tic-tac-toe written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Usummon/tic-tac-toe/Cargo.toml [INFO] crate Usummon/tic-tac-toe already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Usummon/tic-tac-toe against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Usummon/tic-tac-toe:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 160540bbef53bfbdc82dbc617b3398381bd4ef3a6f86e664323c6e1a27c88bb6 [INFO] running `"docker" "start" "-a" "160540bbef53bfbdc82dbc617b3398381bd4ef3a6f86e664323c6e1a27c88bb6"` [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling uname v0.1.1 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling lexical-core v0.4.1 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling ash v0.29.0 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [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-d4fc00b9e8db29ab/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: 0x5608d8cdebeb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5608d8cdebeb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5608d8cdebeb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5608d8cdebeb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5608d8cdebeb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5608d8cde8c7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5608d8cdf2b0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5608d8cdee32 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5608d8cded16 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5608d8cf814d - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5608d8cadd33 - core::result::unwrap_failed::h0f6a92091fa1fd6c [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x5608d8cae278 - core::result::Result::unwrap::h3764d2b11d868fd4 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x5608d8cabb3b - build_script_build::main::hd64b3b1fa3626287 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 13: 0x5608d8cad300 - std::rt::lang_start::{{closure}}::hb316b982135279cb [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5608d8cded03 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5608d8cded03 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5608d8ce50ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x5608d8cdf7bd - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5608d8cdf7bd - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5608d8cdf7bd - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5608d8cad2d9 - std::rt::lang_start::hdebc0264070b2c95 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5608d8cacb3a - main [INFO] [stderr] 22: 0x7fd4279a02e1 - __libc_start_main [INFO] [stderr] 23: 0x5608d8cab4ba - _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" "160540bbef53bfbdc82dbc617b3398381bd4ef3a6f86e664323c6e1a27c88bb6"` [INFO] running `"docker" "rm" "-f" "160540bbef53bfbdc82dbc617b3398381bd4ef3a6f86e664323c6e1a27c88bb6"` [INFO] [stdout] 160540bbef53bfbdc82dbc617b3398381bd4ef3a6f86e664323c6e1a27c88bb6