[INFO] fetching crate s2tw 1.0.10...
[INFO] checking s2tw-1.0.10 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate s2tw 1.0.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate s2tw 1.0.10 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s2tw 1.0.10
[INFO] finished tweaking crates.io crate s2tw 1.0.10
[INFO] tweaked toml for crates.io crate s2tw 1.0.10 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate s2tw 1.0.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2fa6ff65cc2be721386246164c1f019cfca6c11c358e179ab44067d7a8bfdf1
[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" "a2fa6ff65cc2be721386246164c1f019cfca6c11c358e179ab44067d7a8bfdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2fa6ff65cc2be721386246164c1f019cfca6c11c358e179ab44067d7a8bfdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fa6ff65cc2be721386246164c1f019cfca6c11c358e179ab44067d7a8bfdf1", kill_on_drop: false }`
[INFO] [stdout] a2fa6ff65cc2be721386246164c1f019cfca6c11c358e179ab44067d7a8bfdf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb64ca9a54760b13ad516c650950754bf5507b67b44704d771a5f4c03167c83
[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" "4bb64ca9a54760b13ad516c650950754bf5507b67b44704d771a5f4c03167c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]     Checking starts-ends-with-caseless v0.5.3
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]    Compiling opencc-rust v1.1.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking path-absolutize v3.0.0
[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-d4ab2f79a389e4ea/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:     0x55b961974370 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55b961974370 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55b961974370 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55b961974370 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he74e98acff43ec99
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55b96199245c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55b9619716d7 - std::io::Write::write_fmt::hea6289e6649ff508
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55b9619765c0 - std::sys_common::backtrace::_print::h8cc65937fea24014
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55b9619765c0 - std::sys_common::backtrace::print::hff6a0ebb96535e34
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55b9619765c0 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55b96197630c - std::panicking::default_hook::h0c46e634c06c69b6
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55b961976c23 - std::panicking::rust_panic_with_hook::he52576a0c2093334
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55b9619767f9 - std::panicking::begin_panic_handler::{{closure}}::h411c800b810762b2
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55b9619747fc - std::sys_common::backtrace::__rust_end_short_backtrace::ha657a272019e6aad
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55b9619767b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55b961991781 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55b9619915a3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55b96192785a - core::result::Result<T,E>::unwrap::hbb73d0a481073dde
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x55b961926a31 - build_script_build::run_pkg_config::hb7abe514f4b33cc5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:141
[INFO] [stderr]     18:     0x55b9619251f6 - build_script_build::find_opencc_lib_dirs::{{closure}}::h687d24fbb974e773
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:78
[INFO] [stderr]     19:     0x55b961927e98 - core::result::Result<T,E>::or_else::hb2ba9818630c6395
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/result.rs:774
[INFO] [stderr]     20:     0x55b961924e27 - build_script_build::find_opencc_lib_dirs::h4c1728368a1e55be
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:75
[INFO] [stderr]     21:     0x55b961923b34 - build_script_build::main::he788b40baf3d96cc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:18
[INFO] [stderr]     22:     0x55b961932bfb - core::ops::function::FnOnce::call_once::ha5b09a36cb4ee935
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:227
[INFO] [stderr]     23:     0x55b96192aa2e - std::sys_common::backtrace::__rust_begin_short_backtrace::he10b6aa17515896c
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     24:     0x55b961932361 - std::rt::lang_start::{{closure}}::h2c41d37b87a43da0
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:66
[INFO] [stderr]     25:     0x55b961977021 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h009d20b8a620bf60
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:259
[INFO] [stderr]     26:     0x55b961977021 - std::panicking::try::do_call::h09431c39e2107c90
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:381
[INFO] [stderr]     27:     0x55b961977021 - std::panicking::try::he27cf60b958af343
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:345
[INFO] [stderr]     28:     0x55b961977021 - std::panic::catch_unwind::h7b646b0041dc5591
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panic.rs:382
[INFO] [stderr]     29:     0x55b961977021 - std::rt::lang_start_internal::hdad6c98af1e4747e
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:51
[INFO] [stderr]     30:     0x55b961932337 - std::rt::lang_start::hac6d549ee6bee331
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:65
[INFO] [stderr]     31:     0x55b961926dda - main
[INFO] [stderr]     32:     0x7fc0e9e930b3 - __libc_start_main
[INFO] [stderr]     33:     0x55b96191f0be - _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" "4bb64ca9a54760b13ad516c650950754bf5507b67b44704d771a5f4c03167c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb64ca9a54760b13ad516c650950754bf5507b67b44704d771a5f4c03167c83", kill_on_drop: false }`
[INFO] [stdout] 4bb64ca9a54760b13ad516c650950754bf5507b67b44704d771a5f4c03167c83