[INFO] updating cached repository ArturKovacs/emulsion
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ArturKovacs/emulsion
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ArturKovacs/emulsion" "work/ex/beta-1.37-6/sources/1.36.0/gh/ArturKovacs/emulsion"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ArturKovacs/emulsion'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ArturKovacs/emulsion" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ArturKovacs/emulsion"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ArturKovacs/emulsion'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebd980249cbb2be474cd2006e52037e7491bc526
[INFO] sha for GitHub repo ArturKovacs/emulsion: ebd980249cbb2be474cd2006e52037e7491bc526
[INFO] validating manifest of ArturKovacs/emulsion 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 ArturKovacs/emulsion 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 ArturKovacs/emulsion
[INFO] finished frobbing ArturKovacs/emulsion
[INFO] frobbed toml for ArturKovacs/emulsion written to work/ex/beta-1.37-6/sources/1.36.0/gh/ArturKovacs/emulsion/Cargo.toml
[INFO] started frobbing ArturKovacs/emulsion
[INFO] finished frobbing ArturKovacs/emulsion
[INFO] frobbed toml for ArturKovacs/emulsion written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ArturKovacs/emulsion/Cargo.toml
[INFO] crate ArturKovacs/emulsion 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 ArturKovacs/emulsion 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ArturKovacs/emulsion:/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] 6cb3a8ecd9f006276d429194c99d7e5b4f4c0d6d5aaf7943ff1447ec92967d7a
[INFO] running `"docker" "start" "-a" "6cb3a8ecd9f006276d429194c99d7e5b4f4c0d6d5aaf7943ff1447ec92967d7a"`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling emulsion v1.3.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling alphanumeric-sort v1.0.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling stb_truetype v0.2.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling sys-info v0.5.6
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling glium v0.23.0
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr] error: failed to run custom build command for `emulsion v1.3.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/emulsion-b33a9bebd231a44b/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:     0x564684985a83 - 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:     0x56468498163b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x564684984896 - 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:     0x564684984629 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x564684984eef - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x564684984a71 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x564684984955 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x56468499645c - core::panicking::panic_fmt::hc4f83bfed80aeabd
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x564684975d2e - core::result::unwrap_failed::h01c83cd611ef813e
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5646849769fb - core::result::Result<T,E>::unwrap::h962f467ebf2dc6ed
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x56468497a68a - build_script_build::main::h472c77e23bfac571
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:25
[INFO] [stderr]   11:     0x5646849779ef - std::rt::lang_start::{{closure}}::h2a5fe9685232f68c
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x564684984942 - 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:     0x564684988019 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5646849853fc - 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:     0x5646849779c8 - std::rt::lang_start::h1bd3eb1481d22cbd
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x56468497ab89 - main
[INFO] [stderr]   17:     0x7f2d335522e0 - __libc_start_main
[INFO] [stderr]   18:     0x564684974c69 - _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" "6cb3a8ecd9f006276d429194c99d7e5b4f4c0d6d5aaf7943ff1447ec92967d7a"`
[INFO] running `"docker" "rm" "-f" "6cb3a8ecd9f006276d429194c99d7e5b4f4c0d6d5aaf7943ff1447ec92967d7a"`
[INFO] [stdout] 6cb3a8ecd9f006276d429194c99d7e5b4f4c0d6d5aaf7943ff1447ec92967d7a