[INFO] updating cached repository peopleagainstprisons/earmms_keyderiv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/peopleagainstprisons/earmms_keyderiv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/peopleagainstprisons/earmms_keyderiv" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/peopleagainstprisons/earmms_keyderiv"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/peopleagainstprisons/earmms_keyderiv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/peopleagainstprisons/earmms_keyderiv" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/peopleagainstprisons/earmms_keyderiv"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/peopleagainstprisons/earmms_keyderiv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8906fe635f1d2538ec024812883fd793c2158f0
[INFO] sha for GitHub repo peopleagainstprisons/earmms_keyderiv: b8906fe635f1d2538ec024812883fd793c2158f0
[INFO] validating manifest of peopleagainstprisons/earmms_keyderiv on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of peopleagainstprisons/earmms_keyderiv on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing peopleagainstprisons/earmms_keyderiv
[INFO] finished frobbing peopleagainstprisons/earmms_keyderiv
[INFO] frobbed toml for peopleagainstprisons/earmms_keyderiv written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/peopleagainstprisons/earmms_keyderiv/Cargo.toml
[INFO] started frobbing peopleagainstprisons/earmms_keyderiv
[INFO] finished frobbing peopleagainstprisons/earmms_keyderiv
[INFO] frobbed toml for peopleagainstprisons/earmms_keyderiv written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/peopleagainstprisons/earmms_keyderiv/Cargo.toml
[INFO] crate peopleagainstprisons/earmms_keyderiv already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking peopleagainstprisons/earmms_keyderiv against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-4/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/peopleagainstprisons/earmms_keyderiv:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 90e03791debd0b72c085b7b1e23ad9b6b149624efe2d71983d4f4e9138c951c5
[INFO] running `"docker" "start" "-a" "90e03791debd0b72c085b7b1e23ad9b6b149624efe2d71983d4f4e9138c951c5"`
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.2.0
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking buf_redux v0.6.1
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking twoway v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-b1cb4fe2e757eb49/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:     0x5590ad406bcb - backtrace::backtrace::libunwind::trace::hc5a758871b6ebf05
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5590ad406bcb - backtrace::backtrace::trace_unsynchronized::hdad9729cc53c45f3
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5590ad406bcb - std::sys_common::backtrace::_print::hccf66646430a9cbc
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5590ad406bcb - std::sys_common::backtrace::print::h6c902507aa1c61bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5590ad406bcb - std::panicking::default_hook::{{closure}}::hc0c79151a0a4b58f
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5590ad4068a7 - std::panicking::default_hook::hfd408bb664bf319a
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5590ad407290 - std::panicking::rust_panic_with_hook::hb2d4371b6afbe17a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5590ad406e12 - std::panicking::continue_panic_fmt::h6eef1f2d6e3abc2b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5590ad406cf6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5590ad41b9fd - core::panicking::panic_fmt::h9f3781beea83a294
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5590ad3f9aa8 - core::result::unwrap_failed::h7a9a7ca59ab8ff38
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5590ad3c77cc - core::result::Result<T,E>::unwrap::h7c6ee698db7c90d9
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x5590ad3ca9c5 - build_script_gen_mime_types::main::h8451486c5b2cc4cf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x5590ad3f11a0 - std::rt::lang_start::{{closure}}::hc019c8afea73d862
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5590ad406ce3 - std::rt::lang_start_internal::{{closure}}::h86569d7197572496
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5590ad406ce3 - std::panicking::try::do_call::hc05ef3c0bbb0a2c9
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5590ad408c2a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x5590ad40779d - std::panicking::try::h5f7f6728fc93999f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5590ad40779d - std::panic::catch_unwind::h9120cbd852b844f2
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5590ad40779d - std::rt::lang_start_internal::h20e51e71516fa081
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5590ad3f1179 - std::rt::lang_start::h7865940878f2d523
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5590ad3cbffa - main
[INFO] [stderr]   22:     0x7fd7f8cbe2e1 - __libc_start_main
[INFO] [stderr]   23:     0x5590ad3a63fa - _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" "90e03791debd0b72c085b7b1e23ad9b6b149624efe2d71983d4f4e9138c951c5"`
[INFO] running `"docker" "rm" "-f" "90e03791debd0b72c085b7b1e23ad9b6b149624efe2d71983d4f4e9138c951c5"`
[INFO] [stdout] 90e03791debd0b72c085b7b1e23ad9b6b149624efe2d71983d4f4e9138c951c5