[INFO] updating cached repository squidpickles/slippybot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/squidpickles/slippybot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/squidpickles/slippybot" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/squidpickles/slippybot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/squidpickles/slippybot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/squidpickles/slippybot" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/squidpickles/slippybot"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/squidpickles/slippybot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c98374542edcb9f4e38002ae1b8b43fc25c46473
[INFO] sha for GitHub repo squidpickles/slippybot: c98374542edcb9f4e38002ae1b8b43fc25c46473
[INFO] validating manifest of squidpickles/slippybot 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 squidpickles/slippybot 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 squidpickles/slippybot
[INFO] finished frobbing squidpickles/slippybot
[INFO] frobbed toml for squidpickles/slippybot written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/squidpickles/slippybot/Cargo.toml
[INFO] started frobbing squidpickles/slippybot
[INFO] finished frobbing squidpickles/slippybot
[INFO] frobbed toml for squidpickles/slippybot written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/squidpickles/slippybot/Cargo.toml
[INFO] crate squidpickles/slippybot 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking squidpickles/slippybot against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/squidpickles/slippybot:/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] e949e443c41660af5cec4f8631cc6a61091d6ad70cba6add5b7174ef6c6c765b
[INFO] running `"docker" "start" "-a" "e949e443c41660af5cec4f8631cc6a61091d6ad70cba6add5b7174ef6c6c765b"`
[INFO] [stderr]     Checking serde v1.0.7
[INFO] [stderr]     Checking utf-8 v0.7.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]    Compiling cpp_demangle v0.2.2
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking serde_urlencoded v0.4.3
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr] error: failed to run custom build command for `cpp_demangle v0.2.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/cpp_demangle-d9d593d19e585287/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_0
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_1
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_10
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_11
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_12
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_13
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_14
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_15
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_16
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_17
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_18
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_19
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_2
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_20
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_21
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_22
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_23
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_24
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_25
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_26
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_27
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_28
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_29
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_3
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_30
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_31
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_32
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_4
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_5
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_6
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_7
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_8
[INFO] [stderr] cargo:rerun-if-changed=in/afl_crash_9
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_0
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_1
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_10
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_11
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_12
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_13
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_14
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_15
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_16
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_17
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_18
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_19
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_2
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_20
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_21
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_22
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_23
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_24
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_25
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_26
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_27
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_28
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_29
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_3
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_30
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_31
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_32
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_4
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_5
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_6
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_7
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_8
[INFO] [stderr] cargo:rerun-if-changed=in/afl_hang_9
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_103
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_196
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_236
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_251
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_340
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_357
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_378
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_411
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_469
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_496
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_672
[INFO] [stderr] cargo:rerun-if-changed=in/spidermonkey_symbol_90
[INFO] [stderr] cargo:rerun-if-changed=tests/afl_seeds.rs
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'should generate sanity tests from AFL.rs seed test cases: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5624ba74694b - 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:     0x5624ba74694b - 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:     0x5624ba74694b - std::sys_common::backtrace::_print::hccf66646430a9cbc
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5624ba74694b - std::sys_common::backtrace::print::h6c902507aa1c61bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5624ba74694b - std::panicking::default_hook::{{closure}}::hc0c79151a0a4b58f
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5624ba746627 - std::panicking::default_hook::hfd408bb664bf319a
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5624ba747010 - std::panicking::rust_panic_with_hook::hb2d4371b6afbe17a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5624ba746b92 - std::panicking::continue_panic_fmt::h6eef1f2d6e3abc2b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5624ba746a76 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5624ba75bd1d - core::panicking::panic_fmt::h9f3781beea83a294
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5624ba70c8c7 - core::result::unwrap_failed::h3e522c2a28591bac
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x5624ba70cea3 - core::result::Result<T,E>::expect::h26b72ded096e6a82
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libcore/result.rs:827
[INFO] [stderr]   12:     0x5624ba707017 - build_script_build::main::h83e77a8f90349a15
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_demangle-0.2.2/build.rs:234
[INFO] [stderr]   13:     0x5624ba70ea70 - std::rt::lang_start::{{closure}}::h4734ab00017b157b
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5624ba746a63 - std::rt::lang_start_internal::{{closure}}::h86569d7197572496
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5624ba746a63 - std::panicking::try::do_call::hc05ef3c0bbb0a2c9
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5624ba748f7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x5624ba74751d - std::panicking::try::h5f7f6728fc93999f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5624ba74751d - std::panic::catch_unwind::h9120cbd852b844f2
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x5624ba74751d - std::rt::lang_start_internal::h20e51e71516fa081
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5624ba70ea49 - std::rt::lang_start::h454d290bd50ef6f2
[INFO] [stderr]                                at /rustc/003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5624ba70706a - main
[INFO] [stderr]   22:     0x7fddf6f6e2e1 - __libc_start_main
[INFO] [stderr]   23:     0x5624ba70313a - _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" "e949e443c41660af5cec4f8631cc6a61091d6ad70cba6add5b7174ef6c6c765b"`
[INFO] running `"docker" "rm" "-f" "e949e443c41660af5cec4f8631cc6a61091d6ad70cba6add5b7174ef6c6c765b"`
[INFO] [stdout] e949e443c41660af5cec4f8631cc6a61091d6ad70cba6add5b7174ef6c6c765b