[INFO] updating cached repository tomwadley/paroxysm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomwadley/paroxysm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomwadley/paroxysm" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tomwadley/paroxysm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tomwadley/paroxysm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomwadley/paroxysm" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tomwadley/paroxysm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tomwadley/paroxysm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8eb485fce0c8813485f890ed69ef07eb59898e8c
[INFO] sha for GitHub repo tomwadley/paroxysm: 8eb485fce0c8813485f890ed69ef07eb59898e8c
[INFO] validating manifest of tomwadley/paroxysm on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tomwadley/paroxysm on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tomwadley/paroxysm
[INFO] finished frobbing tomwadley/paroxysm
[INFO] frobbed toml for tomwadley/paroxysm written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tomwadley/paroxysm/Cargo.toml
[INFO] started frobbing tomwadley/paroxysm
[INFO] finished frobbing tomwadley/paroxysm
[INFO] frobbed toml for tomwadley/paroxysm written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tomwadley/paroxysm/Cargo.toml
[INFO] crate tomwadley/paroxysm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tomwadley/paroxysm against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tomwadley/paroxysm:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0f990560c795d07afe7e2c037fd336861bcba8eae63b5f179ee3d6ede26fcb4
[INFO] running `"docker" "start" "-a" "d0f990560c795d07afe7e2c037fd336861bcba8eae63b5f179ee3d6ede26fcb4"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]    Compiling openssl v0.9.21
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]    Compiling openssl-sys v0.9.21
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling crc v1.6.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]     Checking libflate v0.1.12
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.2
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-9553788794e03cf0/build-script-gen_mime_types` (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:     0x557b3dec91ab - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557b3dec91ab - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557b3dec91ab - std::sys_common::backtrace::_print::h8e9bb00be68d4090
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x557b3dec91ab - std::sys_common::backtrace::print::h706192507dd9d34d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x557b3dec91ab - std::panicking::default_hook::{{closure}}::he2b558091ea21dea
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x557b3dec8e87 - std::panicking::default_hook::hfb9d48d2b8aaf0f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x557b3dec9870 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x557b3dec93f2 - std::panicking::continue_panic_fmt::h360cf8419afe0564
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x557b3dec92d6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x557b3deddfdd - core::panicking::panic_fmt::h9cf93b79d5aa98c5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x557b3debbdc8 - core::result::unwrap_failed::hb4a488404c64e70a
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x557b3de8abac - core::result::Result<T,E>::unwrap::h44ca0020ddbe2b8c
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x557b3de93a65 - build_script_gen_mime_types::main::h9bc78931399339d3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x557b3deb2460 - std::rt::lang_start::{{closure}}::he9eca178085719ce
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x557b3dec92c3 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x557b3dec92c3 - std::panicking::try::do_call::h4528fe5c5ea34ef8
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x557b3decb20a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x557b3dec9d7d - std::panicking::try::ha87d5378c5dcb863
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x557b3dec9d7d - std::panic::catch_unwind::hf01b748a30fdd5ec
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x557b3dec9d7d - std::rt::lang_start_internal::h9518341cf2ad1d33
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x557b3deb2439 - std::rt::lang_start::h0fb4dd2c4c980515
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x557b3de9509a - main
[INFO] [stderr]   22:     0x7f313f7232e1 - __libc_start_main
[INFO] [stderr]   23:     0x557b3de6810a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d0f990560c795d07afe7e2c037fd336861bcba8eae63b5f179ee3d6ede26fcb4"`
[INFO] running `"docker" "rm" "-f" "d0f990560c795d07afe7e2c037fd336861bcba8eae63b5f179ee3d6ede26fcb4"`
[INFO] [stdout] d0f990560c795d07afe7e2c037fd336861bcba8eae63b5f179ee3d6ede26fcb4