[INFO] fetching crate tw2s 1.0.12...
[INFO] documenting tw2s-1.0.12 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate tw2s 1.0.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tw2s 1.0.12 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce40865509234a75f08f5e3a1235db501c5b0777a61d6978b439e942e71d302f
[INFO] running `Command { std: "docker" "start" "-a" "ce40865509234a75f08f5e3a1235db501c5b0777a61d6978b439e942e71d302f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce40865509234a75f08f5e3a1235db501c5b0777a61d6978b439e942e71d302f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce40865509234a75f08f5e3a1235db501c5b0777a61d6978b439e942e71d302f", kill_on_drop: false }`
[INFO] [stdout] ce40865509234a75f08f5e3a1235db501c5b0777a61d6978b439e942e71d302f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29410574909a79fb832ef0ba676ed5d35ca1864351fa5e8405229172c8184f59
[INFO] running `Command { std: "docker" "start" "-a" "29410574909a79fb832ef0ba676ed5d35ca1864351fa5e8405229172c8184f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[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 clap v2.33.1
[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-64ea1141706d4cdd/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:     0x55d7b463d2c0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d7b463d2c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d7b463d2c0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55d7b463d2c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55d7b465b56c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55d7b463a627 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55d7b463f4d0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d7b463f4d0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d7b463f4d0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55d7b463f21c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55d7b463fb33 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55d7b463f709 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55d7b463d74c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55d7b463f6c9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55d7b465a891 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55d7b465a6b3 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55d7b45ef79a - core::result::Result<T,E>::unwrap::h8752c2ade59bf4f4
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x55d7b45eea51 - build_script_build::run_pkg_config::hb853e7a574ea6342
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:141
[INFO] [stderr]     18:     0x55d7b45ed226 - build_script_build::find_opencc_lib_dirs::{{closure}}::h09d74d8307620421
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:78
[INFO] [stderr]     19:     0x55d7b45efc18 - core::result::Result<T,E>::or_else::h778b93b90827badc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/result.rs:774
[INFO] [stderr]     20:     0x55d7b45ece5a - build_script_build::find_opencc_lib_dirs::hb72687d3bcdd1cca
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:75
[INFO] [stderr]     21:     0x55d7b45ebb74 - build_script_build::main::h534fd062a71d5137
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opencc-rust-1.1.0/build.rs:18
[INFO] [stderr]     22:     0x55d7b45fa82b - core::ops::function::FnOnce::call_once::h8b3b57690b34f260
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]     23:     0x55d7b45f569e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf9f0c42d06efbafd
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     24:     0x55d7b45fa461 - std::rt::lang_start::{{closure}}::haccbbd3dc1ae3046
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:66
[INFO] [stderr]     25:     0x55d7b463ff31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stderr]     26:     0x55d7b463ff31 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]     27:     0x55d7b463ff31 - std::panicking::try::h6311c259678e50fc
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]     28:     0x55d7b463ff31 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]     29:     0x55d7b463ff31 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stderr]     30:     0x55d7b45fa437 - std::rt::lang_start::h5c6c45caf566a9de
[INFO] [stderr]                                  at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:65
[INFO] [stderr]     31:     0x55d7b45eedfa - main
[INFO] [stderr]     32:     0x7f051c62e0b3 - __libc_start_main
[INFO] [stderr]     33:     0x55d7b45e70be - _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" "29410574909a79fb832ef0ba676ed5d35ca1864351fa5e8405229172c8184f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29410574909a79fb832ef0ba676ed5d35ca1864351fa5e8405229172c8184f59", kill_on_drop: false }`
[INFO] [stdout] 29410574909a79fb832ef0ba676ed5d35ca1864351fa5e8405229172c8184f59
