[INFO] cloning repository https://github.com/Idein/mailbox_sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Idein/mailbox_sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78b68dc57642f36fe24db6956fdd647d798ac86e
[INFO] testing Idein/mailbox_sys against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain ff2c56344c764af598ad33027e9c7a48881808ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] finished tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] tweaked toml for git repo https://github.com/Idein/mailbox_sys written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Idein/mailbox_sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing Idein/mailbox_sys against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] finished tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] tweaked toml for git repo https://github.com/Idein/mailbox_sys written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Idein/mailbox_sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing Idein/mailbox_sys against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] finished tweaking git repo https://github.com/Idein/mailbox_sys
[INFO] tweaked toml for git repo https://github.com/Idein/mailbox_sys written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Idein/mailbox_sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded env_logger v0.5.10
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded bindgen v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25c7de01d17b03f0f6609e199b6f166ac764029e17de2a35f76fc158bf439c47
[INFO] running `Command { std: "docker" "start" "-a" "25c7de01d17b03f0f6609e199b6f166ac764029e17de2a35f76fc158bf439c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c7de01d17b03f0f6609e199b6f166ac764029e17de2a35f76fc158bf439c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c7de01d17b03f0f6609e199b6f166ac764029e17de2a35f76fc158bf439c47", kill_on_drop: false }`
[INFO] [stdout] 25c7de01d17b03f0f6609e199b6f166ac764029e17de2a35f76fc158bf439c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c50314d80c206fa94ebf2ccb958d56726fc32d0cd8bd5b98677e4ddb9f3fbd
[INFO] running `Command { std: "docker" "start" "-a" "43c50314d80c206fa94ebf2ccb958d56726fc32d0cd8bd5b98677e4ddb9f3fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling bindgen v0.37.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling mailbox-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mailbox-sys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mailbox-sys-af3ce89df1ae010d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:8:60:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Failure { command: "PKG_CONFIG_ALLOW_SYSTEM_LIBS=\"1\" \"pkg-config\" \"--libs\" \"--cflags\" \"libmailbox\"", output: Output { status: ExitStatus(unix_wait_status(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" } }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e4056a95dc - std::backtrace_rs::backtrace::libunwind::trace::he911f9c907837597
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55e4056a95dc - std::backtrace_rs::backtrace::trace_unsynchronized::hb30926ceb4a5ace8
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e4056a95dc - std::sys_common::backtrace::_print_fmt::h20b4c3cb4b8e01de
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55e4056a95dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcb347474accdbb50
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55e4056d4250 - core::fmt::rt::Argument::fmt::h0959df1f48ddd7a2
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55e4056d4250 - core::fmt::write::hb02961b4380cf4e7
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55e4056a6c3f - std::io::Write::write_fmt::h06a33737db749226
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55e4056a93c4 - std::sys_common::backtrace::_print::h9f31dc4772e05e46
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55e4056a93c4 - std::sys_common::backtrace::print::he1974c4a8ca14219
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55e4056aac47 - std::panicking::default_hook::{{closure}}::h9663c9f0f27e933c
[INFO] [stderr]     10:     0x55e4056aa9af - std::panicking::default_hook::h232155e937189ed1
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55e4056ab0c8 - std::panicking::rust_panic_with_hook::hc8764d1694e821a7
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55e4056aafae - std::panicking::begin_panic_handler::{{closure}}::hf3ed629468815f4d
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55e4056a9aa6 - std::sys_common::backtrace::__rust_end_short_backtrace::h4e08af68b8432e1a
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55e4056aad12 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55e405320555 - core::panicking::panic_fmt::hd274135c92cc1bf8
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55e405320b43 - core::result::unwrap_failed::hfff0d1b88e8facf3
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55e4053234b3 - core::result::Result<T,E>::unwrap::h9e2e37f119f77172
[INFO] [stderr]     18:     0x55e4053247a7 - build_script_build::main::he50e12e066970680
[INFO] [stderr]     19:     0x55e405322903 - core::ops::function::FnOnce::call_once::h1c580d0ea478bdd8
[INFO] [stderr]     20:     0x55e405321f26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4cd8a1456e204240
[INFO] [stderr]     21:     0x55e405322619 - std::rt::lang_start::{{closure}}::h4fea9d6cb43297af
[INFO] [stderr]     22:     0x55e4056a2c97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9e6f1669209dd4ca
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55e4056a2c97 - std::panicking::try::do_call::haae448a57c8a585d
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55e4056a2c97 - std::panicking::try::h260323567f6039ab
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55e4056a2c97 - std::panic::catch_unwind::h24d48f9ac69ffa4e
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55e4056a2c97 - std::rt::lang_start_internal::{{closure}}::h8bb88197ee988b89
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55e4056a2c97 - std::panicking::try::do_call::h89e62ae03b270617
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55e4056a2c97 - std::panicking::try::hc541fd39b1bc427c
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55e4056a2c97 - std::panic::catch_unwind::hf13b5c045f6c447e
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55e4056a2c97 - std::rt::lang_start_internal::h32e28f900a753f65
[INFO] [stderr]                                  at /rustc/5e4273472e1b2f223618a9b3def795f6224f241d/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55e4053225f7 - std::rt::lang_start::h8b59d01203f8aa64
[INFO] [stderr]     32:     0x55e405324e55 - main
[INFO] [stderr]     33:     0x7f619a539d90 - <unknown>
[INFO] [stderr]     34:     0x7f619a539e40 - __libc_start_main
[INFO] [stderr]     35:     0x55e405320e45 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "43c50314d80c206fa94ebf2ccb958d56726fc32d0cd8bd5b98677e4ddb9f3fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c50314d80c206fa94ebf2ccb958d56726fc32d0cd8bd5b98677e4ddb9f3fbd", kill_on_drop: false }`
[INFO] [stdout] 43c50314d80c206fa94ebf2ccb958d56726fc32d0cd8bd5b98677e4ddb9f3fbd