[INFO] updating cached repository Idein/mailbox_sys
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Idein/mailbox_sys
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Idein/mailbox_sys" "work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/Idein/mailbox_sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/Idein/mailbox_sys'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Idein/mailbox_sys" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/Idein/mailbox_sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/Idein/mailbox_sys'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78b68dc57642f36fe24db6956fdd647d798ac86e
[INFO] sha for GitHub repo Idein/mailbox_sys: 78b68dc57642f36fe24db6956fdd647d798ac86e
[INFO] validating manifest of Idein/mailbox_sys on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Idein/mailbox_sys on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Idein/mailbox_sys
[INFO] finished frobbing Idein/mailbox_sys
[INFO] frobbed toml for Idein/mailbox_sys written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/Idein/mailbox_sys/Cargo.toml
[INFO] started frobbing Idein/mailbox_sys
[INFO] finished frobbing Idein/mailbox_sys
[INFO] frobbed toml for Idein/mailbox_sys written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/Idein/mailbox_sys/Cargo.toml
[INFO] crate Idein/mailbox_sys already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/Idein/mailbox_sys/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Idein/mailbox_sys against try#424a4ae163d6517f301cd4048a4b5dd785be5b2f for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-6/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/Idein/mailbox_sys:/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" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6a1114313771fbfad9828d64ac50420f5bc19821510be93f6269204ae85ca5e7
[INFO] running `"docker" "start" "-a" "6a1114313771fbfad9828d64ac50420f5bc19821510be93f6269204ae85ca5e7"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling mailbox-sys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `mailbox-sys v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/mailbox-sys-14f009ec9ffe9fec/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"libmailbox\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package libmailbox was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libmailbox.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'libmailbox\' found\n" } }', src/libcore/result.rs:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56554a6543e3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h0a054bf8fe58d825
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56554a64feab - std::sys_common::backtrace::_print::hf5fd1ac1f7813cda
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56554a6530d6 - std::panicking::default_hook::{{closure}}::h4c2b98ad4654a1c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56554a652e69 - std::panicking::default_hook::ha13de2654d233e20
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56554a6537df - std::panicking::rust_panic_with_hook::h55d26131adaa65de
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56554a653361 - std::panicking::continue_panic_fmt::hf5ed62d23c8d94b6
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56554a653245 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x56554a66eb4c - core::panicking::panic_fmt::hf2f2eabd74cb684a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x565549f948a2 - core::result::unwrap_failed::ha6698a634a946a15
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x565549f94dda - core::result::Result<T,E>::unwrap::h4e5402893af3bbba
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x565549f94ebc - build_script_build::main::h1eb0cce1ff4636ad
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:8
[INFO] [stderr]   11:     0x565549f91aaf - std::rt::lang_start::{{closure}}::h103529436a2e5922
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x56554a6531e2 - std::panicking::try::do_call::h612ca43708378466
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x56554a65b339 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x56554a653cec - std::rt::lang_start_internal::hc9dd567c93c562cf
[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:     0x565549f91a88 - std::rt::lang_start::h60c0deef1f26511d
[INFO] [stderr]                                at /rustc/424a4ae163d6517f301cd4048a4b5dd785be5b2f/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x565549f95459 - main
[INFO] [stderr]   17:     0x7f0b694d12e0 - __libc_start_main
[INFO] [stderr]   18:     0x565549f8dad9 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6a1114313771fbfad9828d64ac50420f5bc19821510be93f6269204ae85ca5e7"`
[INFO] running `"docker" "rm" "-f" "6a1114313771fbfad9828d64ac50420f5bc19821510be93f6269204ae85ca5e7"`
[INFO] [stdout] 6a1114313771fbfad9828d64ac50420f5bc19821510be93f6269204ae85ca5e7