[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-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Idein/mailbox_sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/Idein/mailbox_sys'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Idein/mailbox_sys" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/Idein/mailbox_sys"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/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#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Idein/mailbox_sys on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-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-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Idein/mailbox_sys against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-1/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 943b3096af0890eea36964da9509d58387504f4cc72e6a650e8436fadc2047a0
[INFO] running `"docker" "start" "-a" "943b3096af0890eea36964da9509d58387504f4cc72e6a650e8436fadc2047a0"`
[INFO] [stderr]    Compiling clang-sys v0.23.0
[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-865dc9e239347fa0/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:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556db54203b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7f08204c27b0467a
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x556db541be7b - std::sys_common::backtrace::_print::hd9dacd169df81122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x556db541f0a6 - std::panicking::default_hook::{{closure}}::hb63012d2be6755b2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x556db541ee39 - std::panicking::default_hook::h3efd6a8a707ee89e
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x556db541f7af - std::panicking::rust_panic_with_hook::h4f5c00b20be3bea5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x556db541f331 - std::panicking::continue_panic_fmt::h59833cd39bf8ae68
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x556db541f215 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x556db543ab6c - core::panicking::panic_fmt::h8d9101a62a895e30
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x556db4d60e42 - core::result::unwrap_failed::hf3658571597c96c8
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x556db4d6124a - core::result::Result<T,E>::unwrap::h57f3186dd83b26a9
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x556db4d6132c - build_script_build::main::ha33920995bed184f
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:8
[INFO] [stderr]   11:     0x556db4d5db9f - std::rt::lang_start::{{closure}}::hc13904de0c586d7b
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x556db541f1b2 - std::panicking::try::do_call::h44a7db9f8ace0499
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x556db5427359 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x556db541fcbc - std::rt::lang_start_internal::h5d2b2de4d9a7c9cd
[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:     0x556db4d5db78 - std::rt::lang_start::h56c720edccaaa7ee
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x556db4d618c9 - main
[INFO] [stderr]   17:     0x7f81171542e0 - __libc_start_main
[INFO] [stderr]   18:     0x556db4d5c079 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "943b3096af0890eea36964da9509d58387504f4cc72e6a650e8436fadc2047a0"`
[INFO] running `"docker" "rm" "-f" "943b3096af0890eea36964da9509d58387504f4cc72e6a650e8436fadc2047a0"`
[INFO] [stdout] 943b3096af0890eea36964da9509d58387504f4cc72e6a650e8436fadc2047a0