[INFO] fetching crate s2tw 1.0.10...
[INFO] checking s2tw-1.0.10 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[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 f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-absolutize v3.0.0
[INFO] [stderr]   Downloaded path-dedot v3.0.0
[INFO] [stderr]   Downloaded lazy-static-include v2.2.2
[INFO] [stderr]   Downloaded starts-ends-with-caseless v0.5.3
[INFO] [stderr]   Downloaded opencc-rust v1.1.0
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ecb4c4041e662cae9047971f7e3cbd04ef0b85272c9d4b22689c9827efaeaa5
[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" "6ecb4c4041e662cae9047971f7e3cbd04ef0b85272c9d4b22689c9827efaeaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ecb4c4041e662cae9047971f7e3cbd04ef0b85272c9d4b22689c9827efaeaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecb4c4041e662cae9047971f7e3cbd04ef0b85272c9d4b22689c9827efaeaa5", kill_on_drop: false }`
[INFO] [stdout] 6ecb4c4041e662cae9047971f7e3cbd04ef0b85272c9d4b22689c9827efaeaa5
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df0554172997c6ae9e02dce93a388fb13dc2803162360bc348548668675a8b0
[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" "7df0554172997c6ae9e02dce93a388fb13dc2803162360bc348548668675a8b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking starts-ends-with-caseless v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking concat-with v0.2.0
[INFO] [stderr]    Compiling opencc-rust v1.1.0
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]     Checking path-absolutize v3.0.0
[INFO] [stderr]     Checking clap v2.33.0
[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:     0x5580ded4a9e0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5580ded4a9e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5580ded4a9e0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5580ded4a9e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5580ded6813c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5580ded47c02 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x5580ded4cc4d - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5580ded4cc4d - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5580ded4cc4d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5580ded4c8f8 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5580ded4d2d1 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5580ded4ce79 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x5580ded4ae6c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5580ded4ce39 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x5580ded67451 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x5580ded67273 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x5580decfd8da - core::result::Result<T,E>::unwrap::hbb73d0a481073dde
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x5580decfc96e - 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:     0x5580decfb1b6 - build_script_build::find_opencc_lib_dirs::{{closure}}::hbfa6d06b646ace08
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:78
[INFO] [stderr]     19:     0x5580decfdc78 - core::result::Result<T,E>::or_else::h5c60c8d2b691be61
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/result.rs:774
[INFO] [stderr]     20:     0x5580decfade7 - build_script_build::find_opencc_lib_dirs::h37b2089af23570fd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:75
[INFO] [stderr]     21:     0x5580decf9b54 - 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:     0x5580ded08bcb - core::ops::function::FnOnce::call_once::ha5b09a36cb4ee935
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:227
[INFO] [stderr]     23:     0x5580ded00a7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h96b2e6f230034eaa
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     24:     0x5580ded08361 - std::rt::lang_start::{{closure}}::h4590b93f710b7783
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:66
[INFO] [stderr]     25:     0x5580ded4d6f7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:259
[INFO] [stderr]     26:     0x5580ded4d6f7 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:381
[INFO] [stderr]     27:     0x5580ded4d6f7 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:345
[INFO] [stderr]     28:     0x5580ded4d6f7 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panic.rs:382
[INFO] [stderr]     29:     0x5580ded4d6f7 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:51
[INFO] [stderr]     30:     0x5580ded08337 - std::rt::lang_start::h697bb529674156b8
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:65
[INFO] [stderr]     31:     0x5580decfcd0a - main
[INFO] [stderr]     32:     0x7fb7971620b3 - __libc_start_main
[INFO] [stderr]     33:     0x5580decf50be - _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" "7df0554172997c6ae9e02dce93a388fb13dc2803162360bc348548668675a8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df0554172997c6ae9e02dce93a388fb13dc2803162360bc348548668675a8b0", kill_on_drop: false }`
[INFO] [stdout] 7df0554172997c6ae9e02dce93a388fb13dc2803162360bc348548668675a8b0