[INFO] updating cached repository boxdot/gerritbot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/boxdot/gerritbot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/boxdot/gerritbot-rs" "work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/boxdot/gerritbot-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/boxdot/gerritbot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/boxdot/gerritbot-rs" "work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/boxdot/gerritbot-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/boxdot/gerritbot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac918f5159266f8cae9ca6b0d70eb5d2393232d6
[INFO] sha for GitHub repo boxdot/gerritbot-rs: ac918f5159266f8cae9ca6b0d70eb5d2393232d6
[INFO] validating manifest of boxdot/gerritbot-rs on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of boxdot/gerritbot-rs on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing boxdot/gerritbot-rs
[INFO] finished frobbing boxdot/gerritbot-rs
[INFO] frobbed toml for boxdot/gerritbot-rs written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/boxdot/gerritbot-rs/Cargo.toml
[INFO] started frobbing boxdot/gerritbot-rs
[INFO] finished frobbing boxdot/gerritbot-rs
[INFO] frobbed toml for boxdot/gerritbot-rs written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/boxdot/gerritbot-rs/Cargo.toml
[INFO] crate boxdot/gerritbot-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking boxdot/gerritbot-rs against try#74092351c05ae61047b2be02024415546595e974 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-3/try#74092351c05ae61047b2be02024415546595e974:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/gh/boxdot/gerritbot-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+74092351c05ae61047b2be02024415546595e974-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f56461dd72bf4e915b9ad14a70e2c1547e874d3849b17d30093bab8db0c9198e
[INFO] running `"docker" "start" "-a" "f56461dd72bf4e915b9ad14a70e2c1547e874d3849b17d30093bab8db0c9198e"`
[INFO] [stderr]     Checking lru_time_cache v0.9.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling rlua v0.16.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling rusoto_core v0.29.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]     Checking dbus v0.4.1
[INFO] [stderr]     Checking openssl v0.9.21
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking serde v1.0.89
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking notify-rust v3.4.2
[INFO] [stderr]    Compiling mime_guess v1.8.2
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-d82d936eb75fc3cb/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:     0x55f44d43fab3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6515ec1ef9594192
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55f44d43b87b - std::sys_common::backtrace::_print::hb215987fd0f3bdab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55f44d43e926 - std::panicking::default_hook::{{closure}}::h4a8ac437a15b7e61
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55f44d43e6bb - std::panicking::default_hook::h00c4e1197baff538
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55f44d43ef7f - std::panicking::rust_panic_with_hook::haeaa430055d89a32
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55f44d43eb01 - std::panicking::continue_panic_fmt::h5fd4309c55432650
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55f44d43e9e5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55f44d44f91c - core::panicking::panic_fmt::h47c85e4f40885754
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55f44d42e997 - core::result::unwrap_failed::h02dbfcee3d389780
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55f44d40128b - core::result::Result<T,E>::unwrap::h99a4d264091e301e
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55f44d408244 - build_script_gen_mime_types::main::h634183daf32461cd
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22
[INFO] [stderr]   11:     0x55f44d41a79f - std::rt::lang_start::{{closure}}::h7ffe8854a1e5685b
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55f44d43e9d2 - std::panicking::try::do_call::h872832f9771f0a0e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55f44d441069 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55f44d43f48c - std::rt::lang_start_internal::h47b7b8d4b465778b
[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:     0x55f44d41a778 - std::rt::lang_start::hbca72843d6904129
[INFO] [stderr]                                at /rustc/74092351c05ae61047b2be02024415546595e974/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55f44d409889 - main
[INFO] [stderr]   17:     0x7fa2b00c32e0 - __libc_start_main
[INFO] [stderr]   18:     0x55f44d3e3689 - _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" "f56461dd72bf4e915b9ad14a70e2c1547e874d3849b17d30093bab8db0c9198e"`
[INFO] running `"docker" "rm" "-f" "f56461dd72bf4e915b9ad14a70e2c1547e874d3849b17d30093bab8db0c9198e"`
[INFO] [stdout] f56461dd72bf4e915b9ad14a70e2c1547e874d3849b17d30093bab8db0c9198e