[INFO] updating cached repository eminence/procfind
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eminence/procfind
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eminence/procfind" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/eminence/procfind"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/eminence/procfind'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eminence/procfind" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/eminence/procfind"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/eminence/procfind'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9d0faec14c1a76c9cb6e822be95dc6e7ea0ff09
[INFO] sha for GitHub repo eminence/procfind: f9d0faec14c1a76c9cb6e822be95dc6e7ea0ff09
[INFO] validating manifest of eminence/procfind on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eminence/procfind on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eminence/procfind
[INFO] finished frobbing eminence/procfind
[INFO] frobbed toml for eminence/procfind written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/eminence/procfind/Cargo.toml
[INFO] started frobbing eminence/procfind
[INFO] finished frobbing eminence/procfind
[INFO] frobbed toml for eminence/procfind written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/eminence/procfind/Cargo.toml
[INFO] crate eminence/procfind already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking eminence/procfind against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-5/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/eminence/procfind:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 81a8f07bb5df3394fb81dbccf77cf7f5fbdb7ba323e6e1f48def8cd17772f140
[INFO] running `"docker" "start" "-a" "81a8f07bb5df3394fb81dbccf77cf7f5fbdb7ba323e6e1f48def8cd17772f140"`
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking procfs v0.4.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling lalrpop v0.16.2
[INFO] [stderr]    Compiling procfind v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `procfind v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/procfind-839c1aa045e440ba/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Running build...
[INFO] [stderr] processing file `src/lang.lalrpop`
[INFO] [stderr] 
[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:1051:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ed0cd74feb - backtrace::backtrace::libunwind::trace::h4f04af92f39f2b78
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ed0cd74feb - backtrace::backtrace::trace_unsynchronized::hb28ce8d2b7fb3e31
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ed0cd74feb - std::sys_common::backtrace::_print::he3f49d2d13a51ff1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ed0cd74feb - std::sys_common::backtrace::print::h46c2f3b13519e9bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ed0cd74feb - std::panicking::default_hook::{{closure}}::h6694acddafc67583
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ed0cd74cc7 - std::panicking::default_hook::hb4761d2feeb6d93c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ed0cd75700 - std::panicking::rust_panic_with_hook::h7a5f9620b0a832bc
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55ed0cd75282 - std::panicking::continue_panic_fmt::h76588b16c9674f9c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55ed0cd75166 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55ed0cd8e21d - core::panicking::panic_fmt::hcce9be08ab68e123
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ed0c3d4af5 - core::result::unwrap_failed::hde6f8940c9f2da7b
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55ed0c3d4bbb - core::result::Result<T,E>::unwrap::h619e88736b7a3f6a
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55ed0c3d4365 - build_script_build::main::h9c8af59c4fead25b
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   13:     0x55ed0c3d4480 - std::rt::lang_start::{{closure}}::h0b17f08006ea75fc
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55ed0cd75103 - std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55ed0cd75103 - std::panicking::try::do_call::hc8de7cda8a6a61da
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55ed0cd7793a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55ed0cd75c0d - std::panicking::try::h2d3ab36572ae54da
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55ed0cd75c0d - std::panic::catch_unwind::h4b587439b0094333
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55ed0cd75c0d - std::rt::lang_start_internal::h0772ca1bc29dd619
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55ed0c3d4459 - std::rt::lang_start::h9b66086a44042215
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55ed0c3d43fa - main
[INFO] [stderr]   22:     0x7fd0068e02e1 - __libc_start_main
[INFO] [stderr]   23:     0x55ed0c3d32da - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "81a8f07bb5df3394fb81dbccf77cf7f5fbdb7ba323e6e1f48def8cd17772f140"`
[INFO] running `"docker" "rm" "-f" "81a8f07bb5df3394fb81dbccf77cf7f5fbdb7ba323e6e1f48def8cd17772f140"`
[INFO] [stdout] 81a8f07bb5df3394fb81dbccf77cf7f5fbdb7ba323e6e1f48def8cd17772f140