[INFO] updating cached repository HoppinWorld/hoppinworldclient
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HoppinWorld/hoppinworldclient
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HoppinWorld/hoppinworldclient" "work/ex/beta-1.37-6/sources/1.36.0/gh/HoppinWorld/hoppinworldclient"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/HoppinWorld/hoppinworldclient'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HoppinWorld/hoppinworldclient" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HoppinWorld/hoppinworldclient"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HoppinWorld/hoppinworldclient'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68dd82f107ed5d4982011b518a9b01d4a19ac6f4
[INFO] sha for GitHub repo HoppinWorld/hoppinworldclient: 68dd82f107ed5d4982011b518a9b01d4a19ac6f4
[INFO] validating manifest of HoppinWorld/hoppinworldclient 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 HoppinWorld/hoppinworldclient 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 HoppinWorld/hoppinworldclient
[INFO] finished frobbing HoppinWorld/hoppinworldclient
[INFO] frobbed toml for HoppinWorld/hoppinworldclient written to work/ex/beta-1.37-6/sources/1.36.0/gh/HoppinWorld/hoppinworldclient/Cargo.toml
[INFO] started frobbing HoppinWorld/hoppinworldclient
[INFO] finished frobbing HoppinWorld/hoppinworldclient
[INFO] frobbed toml for HoppinWorld/hoppinworldclient written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HoppinWorld/hoppinworldclient/Cargo.toml
[INFO] crate HoppinWorld/hoppinworldclient 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing HoppinWorld/hoppinworldclient against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/HoppinWorld/hoppinworldclient:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3b45da2b0dec87514d234641a936d633ddfbeafa70102aaaceed1d5fa8bb50e3
[INFO] running `"docker" "start" "-a" "3b45da2b0dec87514d234641a936d633ddfbeafa70102aaaceed1d5fa8bb50e3"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling atom v0.3.5
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[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling mint v0.5.1
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling ident_case v1.0.1
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[INFO] [stderr]    Compiling float-ord v0.2.0
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[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling roman v0.1.6
[INFO] [stderr]    Compiling partial_function v0.4.0
[INFO] [stderr]    Compiling dirty v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
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[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling slice-deque v0.1.16
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.10.1
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[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling fluent-syntax v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling lexical-core v0.4.0
[INFO] [stderr]    Compiling gfx_macros v0.2.1
[INFO] [stderr]    Compiling gltf-derive v0.11.3
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling libflate v0.1.21
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling pbr v1.0.1
[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-74cd8cc44b3a9c3b/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:     0x55fc1090f493 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55fc1090b0cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55fc1090e326 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55fc1090e0b9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55fc1090e97f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55fc1090e501 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55fc1090e3e5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55fc1092358c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55fc108dc652 - core::result::unwrap_failed::h2b99aabfe1bb3294
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55fc108dcda6 - core::result::Result<T,E>::unwrap::hde1400fd2847a9a4
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55fc108da46a - build_script_build::main::h5be07641fa09d4aa
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   11:     0x55fc108dbc1f - std::rt::lang_start::{{closure}}::h6a1bf032ecf82fa2
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55fc1090e3d2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55fc109149d9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55fc1090ee8c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55fc108dbbf8 - std::rt::lang_start::hf01d93b71c8812a0
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55fc108db469 - main
[INFO] [stderr]   17:     0x7ff1973be2e0 - __libc_start_main
[INFO] [stderr]   18:     0x55fc108d9de9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3b45da2b0dec87514d234641a936d633ddfbeafa70102aaaceed1d5fa8bb50e3"`
[INFO] running `"docker" "rm" "-f" "3b45da2b0dec87514d234641a936d633ddfbeafa70102aaaceed1d5fa8bb50e3"`
[INFO] [stdout] 3b45da2b0dec87514d234641a936d633ddfbeafa70102aaaceed1d5fa8bb50e3