[INFO] fetching crate tw2s 1.0.12...
[INFO] checking tw2s-1.0.12 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate tw2s 1.0.12 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tw2s 1.0.12 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tw2s 1.0.12
[INFO] finished tweaking crates.io crate tw2s 1.0.12
[INFO] tweaked toml for crates.io crate tw2s 1.0.12 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tw2s 1.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d1e1be516c3c2c689e170d53eed1af071b6af970c81bd2175421a0d0964d22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71d1e1be516c3c2c689e170d53eed1af071b6af970c81bd2175421a0d0964d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d1e1be516c3c2c689e170d53eed1af071b6af970c81bd2175421a0d0964d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d1e1be516c3c2c689e170d53eed1af071b6af970c81bd2175421a0d0964d22", kill_on_drop: false }`
[INFO] [stdout] 71d1e1be516c3c2c689e170d53eed1af071b6af970c81bd2175421a0d0964d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a514f9d7b98fb46e633f750327585eb75a9f049b689472f86356dcb78a04635
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a514f9d7b98fb46e633f750327585eb75a9f049b689472f86356dcb78a04635", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking starts-ends-with-caseless v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking path-absolutize v3.0.0
[INFO] [stderr]    Compiling opencc-rust v1.1.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr] error: failed to run custom build command for `opencc-rust v1.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencc-rust-570947232e1f482f/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCC_LIB_DIRS
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENCC_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"opencc\" \"opencc >= 1.1.0\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package opencc was not found in the pkg-config search path.\nPerhaps you should add the directory containing `opencc.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'opencc\' found\nPackage opencc was not found in the pkg-config search path.\nPerhaps you should add the directory containing `opencc.pc\'\nto the PKG_CONFIG_PATH environment variable\nNo package \'opencc\' found\n" } }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:145:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d125229960 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55d125229960 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d125229960 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d125229960 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d125247a7c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x55d1252269d2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x55d12522bc05 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d12522bc05 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d12522bc05 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55d12522b8a8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55d12522c341 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x55d12522be87 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55d125229dfc - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d12522bde9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55d125246d91 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55d125246bb3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55d1251dd70a - core::result::Result<T,E>::unwrap::hac0e53a6c3e05573
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55d1251dc7fd - build_script_build::run_pkg_config::h29cf395a80d69c89
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:141:5
[INFO] [stderr]     18:     0x55d1251db096 - build_script_build::find_opencc_lib_dirs::{{closure}}::ha09f7aeb52732131
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:78:70
[INFO] [stderr]     19:     0x55d1251dd97f - core::result::Result<T,E>::or_else::hd06413c73833cc60
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/result.rs:774:23
[INFO] [stderr]     20:     0x55d1251dace7 - build_script_build::find_opencc_lib_dirs::h01590d7ff92480c4
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:75:5
[INFO] [stderr]     21:     0x55d1251d9a84 - build_script_build::main::h78d5a7eeba7cd991
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:18:20
[INFO] [stderr]     22:     0x55d1251e858b - core::ops::function::FnOnce::call_once::h35f5da49ef8f1f08
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     23:     0x55d1251df90e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdc0ab03105986047
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     24:     0x55d1251e7d91 - std::rt::lang_start::{{closure}}::hdf32ed8c63247abe
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/rt.rs:66:18
[INFO] [stderr]     25:     0x55d12522c767 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     26:     0x55d12522c767 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:381:40
[INFO] [stderr]     27:     0x55d12522c767 - std::panicking::try::hcc68eba0f7d51b82
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panicking.rs:345:19
[INFO] [stderr]     28:     0x55d12522c767 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/panic.rs:382:14
[INFO] [stderr]     29:     0x55d12522c767 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/rt.rs:51:25
[INFO] [stderr]     30:     0x55d1251e7d67 - std::rt::lang_start::h03625aa329442516
[INFO] [stderr]                                  at /rustc/0dce3f606e05cffab7361c132a399d3550ab0df8/library/std/src/rt.rs:65:5
[INFO] [stderr]     31:     0x55d1251dcbaa - main
[INFO] [stderr]     32:     0x7f526d8180b3 - __libc_start_main
[INFO] [stderr]     33:     0x55d1251d50be - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2a514f9d7b98fb46e633f750327585eb75a9f049b689472f86356dcb78a04635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a514f9d7b98fb46e633f750327585eb75a9f049b689472f86356dcb78a04635", kill_on_drop: false }`
[INFO] [stdout] 2a514f9d7b98fb46e633f750327585eb75a9f049b689472f86356dcb78a04635