[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] checking Idein/mailbox_sys against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain 96df4943409564a187894018f15f795426dc2e1f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "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-0-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" "+96df4943409564a187894018f15f795426dc2e1f" "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] checking Idein/mailbox_sys against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "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-0-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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "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] checking Idein/mailbox_sys against try#7e4f74fb8736fea8f455bb6e094122965ae8f4cd for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIdein%2Fmailbox_sys" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Idein/mailbox_sys on toolchain 7e4f74fb8736fea8f455bb6e094122965ae8f4cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "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-0-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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "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 log v0.4.2
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded bindgen v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5445931fd114c732f0a85e22459dbd7058c562b4273ae098e80792b07777f4c
[INFO] running `Command { std: "docker" "start" "-a" "c5445931fd114c732f0a85e22459dbd7058c562b4273ae098e80792b07777f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5445931fd114c732f0a85e22459dbd7058c562b4273ae098e80792b07777f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5445931fd114c732f0a85e22459dbd7058c562b4273ae098e80792b07777f4c", kill_on_drop: false }`
[INFO] [stdout] c5445931fd114c732f0a85e22459dbd7058c562b4273ae098e80792b07777f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7e4f74fb8736fea8f455bb6e094122965ae8f4cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb3471a4f5286222aee849c1eca3fa686fbf82d721c3213c90a19433dbbe5fbc
[INFO] running `Command { std: "docker" "start" "-a" "eb3471a4f5286222aee849c1eca3fa686fbf82d721c3213c90a19433dbbe5fbc", 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 lazy_static v1.0.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[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 regex-syntax v0.6.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling bindgen v0.37.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[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:     0x55e1c77d257c - std::backtrace_rs::backtrace::libunwind::trace::hb5df95369caa167a
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55e1c77d257c - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed51b6f467d0119
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e1c77d257c - std::sys_common::backtrace::_print_fmt::h04140a27256e9de0
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55e1c77d257c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfe993ea60db5e977
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55e1c77fd1f0 - core::fmt::rt::Argument::fmt::hfc8560574f51fab2
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55e1c77fd1f0 - core::fmt::write::h81a02b15aead2ab8
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55e1c77cfc6f - std::io::Write::write_fmt::hf807865ec69ab324
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55e1c77d2364 - std::sys_common::backtrace::_print::h4d49e7efc10cdb99
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55e1c77d2364 - std::sys_common::backtrace::print::hfab0a70eaeaa14b2
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55e1c77d3be7 - std::panicking::default_hook::{{closure}}::h0e74730c5058f74d
[INFO] [stderr]     10:     0x55e1c77d394f - std::panicking::default_hook::hbded14be7e11ca93
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55e1c77d4068 - std::panicking::rust_panic_with_hook::h43101e7b8fa7fb8c
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55e1c77d3f4e - std::panicking::begin_panic_handler::{{closure}}::h46650034c8b538af
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55e1c77d2a46 - std::sys_common::backtrace::__rust_end_short_backtrace::he3e808a57a39d4ef
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55e1c77d3cb2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55e1c744b555 - core::panicking::panic_fmt::hddd55802e28591fe
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55e1c744bb43 - core::result::unwrap_failed::h357c9b1e4c76d6fc
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55e1c744e4b3 - core::result::Result<T,E>::unwrap::h5b5f0aefb0694dfd
[INFO] [stderr]     18:     0x55e1c744f7a7 - build_script_build::main::hc163254efc37accd
[INFO] [stderr]     19:     0x55e1c744d943 - core::ops::function::FnOnce::call_once::hd1313b343eb7ae71
[INFO] [stderr]     20:     0x55e1c744cf26 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8710d0da96fae3cb
[INFO] [stderr]     21:     0x55e1c744d619 - std::rt::lang_start::{{closure}}::h2b5e8b6adaa40ebf
[INFO] [stderr]     22:     0x55e1c77cbc37 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he3b68ad1ecbc2fe9
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55e1c77cbc37 - std::panicking::try::do_call::hf734a20b3057c697
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55e1c77cbc37 - std::panicking::try::h48ba3a51262e976e
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55e1c77cbc37 - std::panic::catch_unwind::h9442ca17fb58f22f
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55e1c77cbc37 - std::rt::lang_start_internal::{{closure}}::he228456fb32fbd12
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55e1c77cbc37 - std::panicking::try::do_call::h972a66686f154f43
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55e1c77cbc37 - std::panicking::try::h60cfa0aec5c6756b
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55e1c77cbc37 - std::panic::catch_unwind::he9a27fd91b36a3c6
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55e1c77cbc37 - std::rt::lang_start_internal::hcb605c070be79085
[INFO] [stderr]                                  at /rustc/7e4f74fb8736fea8f455bb6e094122965ae8f4cd/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55e1c744d5f7 - std::rt::lang_start::h024e63d4e76e222f
[INFO] [stderr]     32:     0x55e1c744fe55 - main
[INFO] [stderr]     33:     0x7f5150d81d90 - <unknown>
[INFO] [stderr]     34:     0x7f5150d81e40 - __libc_start_main
[INFO] [stderr]     35:     0x55e1c744be45 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "eb3471a4f5286222aee849c1eca3fa686fbf82d721c3213c90a19433dbbe5fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3471a4f5286222aee849c1eca3fa686fbf82d721c3213c90a19433dbbe5fbc", kill_on_drop: false }`
[INFO] [stdout] eb3471a4f5286222aee849c1eca3fa686fbf82d721c3213c90a19433dbbe5fbc