[INFO] updating cached repository tglanz/citrine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tglanz/citrine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tglanz/citrine" "work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/tglanz/citrine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/tglanz/citrine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tglanz/citrine" "work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/tglanz/citrine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/tglanz/citrine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29f4abef7d2035b9129ecde447efec37ddcb37ff
[INFO] sha for GitHub repo tglanz/citrine: 29f4abef7d2035b9129ecde447efec37ddcb37ff
[INFO] validating manifest of tglanz/citrine on toolchain master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tglanz/citrine on toolchain try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tglanz/citrine
[INFO] finished frobbing tglanz/citrine
[INFO] frobbed toml for tglanz/citrine written to work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/tglanz/citrine/Cargo.toml
[INFO] started frobbing tglanz/citrine
[INFO] finished frobbing tglanz/citrine
[INFO] frobbed toml for tglanz/citrine written to work/ex/pr-60444/sources/try#cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b/gh/tglanz/citrine/Cargo.toml
[INFO] crate tglanz/citrine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+cf8e5a06b289fbcdaf75ca55c057b2cb09fff33b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tglanz/citrine against master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf for pr-60444
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60444/worker-1/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60444/sources/master#92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/gh/tglanz/citrine:/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=forbid" "-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" "+92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cbaa8f7a8ba91a83f8f36d20e3e8f872bb28da55c72e22f15db47a9643fb3532
[INFO] running `"docker" "start" "-a" "cbaa8f7a8ba91a83f8f36d20e3e8f872bb28da55c72e22f15db47a9643fb3532"`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.10
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.24
[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] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-8bda8cce684218a4/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:     0x55a05e201803 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hd683c720649fc6ca
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55a05e1fd5eb - std::sys_common::backtrace::_print::h40d9544529f5324d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55a05e200696 - std::panicking::default_hook::{{closure}}::hf34ca0bb1665e3f2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55a05e200429 - std::panicking::default_hook::hc1c83e7d587e3fd7
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55a05e200cef - std::panicking::rust_panic_with_hook::ha5f015e1588f744c
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55a05e200871 - std::panicking::continue_panic_fmt::h092f32d98e64981a
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55a05e200755 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55a05e2159bc - core::panicking::panic_fmt::h10765a4790762297
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55a05e1d0ab2 - core::result::unwrap_failed::h11f262e293d93fb3
[INFO] [stderr]                                at /rustc/92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55a05e1d1206 - core::result::Result<T,E>::unwrap::hfaa639a28eea1c27
[INFO] [stderr]                                at /rustc/92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55a05e1ce8ba - build_script_build::main::h307fcc8eef9334a7
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   11:     0x55a05e1d007f - std::rt::lang_start::{{closure}}::h6ac175001863e67e
[INFO] [stderr]                                at /rustc/92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55a05e200742 - std::panicking::try::do_call::hc02c345606c78354
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55a05e206ea9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55a05e2011fc - std::rt::lang_start_internal::hd6e28da2a7f25305
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55a05e1d0058 - std::rt::lang_start::h8857dac26100ea57
[INFO] [stderr]                                at /rustc/92b5e20ad59b183a2e6cd79423f54b8aa7ac9cbf/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55a05e1cf8b9 - main
[INFO] [stderr]   17:     0x7feba76d22e0 - __libc_start_main
[INFO] [stderr]   18:     0x55a05e1ce239 - _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" "cbaa8f7a8ba91a83f8f36d20e3e8f872bb28da55c72e22f15db47a9643fb3532"`
[INFO] running `"docker" "rm" "-f" "cbaa8f7a8ba91a83f8f36d20e3e8f872bb28da55c72e22f15db47a9643fb3532"`
[INFO] [stdout] cbaa8f7a8ba91a83f8f36d20e3e8f872bb28da55c72e22f15db47a9643fb3532