[INFO] fetching crate tw2s 1.0.12...
[INFO] checking tw2s-1.0.12 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate tw2s 1.0.12 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tw2s 1.0.12 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-1/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc34b3c006fc2b15c51ff4e9d99cf18aa05ab103a5a38af8cfdb803ceb9862d9
[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" "fc34b3c006fc2b15c51ff4e9d99cf18aa05ab103a5a38af8cfdb803ceb9862d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc34b3c006fc2b15c51ff4e9d99cf18aa05ab103a5a38af8cfdb803ceb9862d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc34b3c006fc2b15c51ff4e9d99cf18aa05ab103a5a38af8cfdb803ceb9862d9", kill_on_drop: false }`
[INFO] [stdout] fc34b3c006fc2b15c51ff4e9d99cf18aa05ab103a5a38af8cfdb803ceb9862d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89b946c6e5bcd5483ae4dda42d464fdaa3dd53bb1684d881bd900ad5bea1b471
[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" "89b946c6e5bcd5483ae4dda42d464fdaa3dd53bb1684d881bd900ad5bea1b471", 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]    Compiling opencc-rust v1.1.0
[INFO] [stderr]     Checking path-dedot v3.0.0
[INFO] [stderr]     Checking atty v0.2.14
[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-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:     0x562f6d6dd7d0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x562f6d6dd7d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x562f6d6dd7d0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x562f6d6dd7d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x562f6d6fb1cc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x562f6d6dab72 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x562f6d6dfa5d - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x562f6d6dfa5d - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x562f6d6dfa5d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x562f6d6df708 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x562f6d6e0141 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x562f6d6dfce9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x562f6d6ddc5c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x562f6d6dfca9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x562f6d6fa4f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x562f6d6fa313 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x562f6d6908da - core::result::Result<T,E>::unwrap::hbb73d0a481073dde
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x562f6d68f96e - 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:     0x562f6d68e1b6 - 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:     0x562f6d690c78 - core::result::Result<T,E>::or_else::h5c60c8d2b691be61
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/result.rs:774
[INFO] [stderr]     20:     0x562f6d68dde7 - 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:     0x562f6d68cb54 - 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:     0x562f6d69bbcb - core::ops::function::FnOnce::call_once::ha5b09a36cb4ee935
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/ops/function.rs:227
[INFO] [stderr]     23:     0x562f6d693a2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h96b2e6f230034eaa
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     24:     0x562f6d69b361 - std::rt::lang_start::{{closure}}::h4590b93f710b7783
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:66
[INFO] [stderr]     25:     0x562f6d6e0567 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/core/src/ops/function.rs:259
[INFO] [stderr]     26:     0x562f6d6e0567 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:381
[INFO] [stderr]     27:     0x562f6d6e0567 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panicking.rs:345
[INFO] [stderr]     28:     0x562f6d6e0567 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/panic.rs:382
[INFO] [stderr]     29:     0x562f6d6e0567 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:51
[INFO] [stderr]     30:     0x562f6d69b337 - std::rt::lang_start::h697bb529674156b8
[INFO] [stderr]                                  at /rustc/d62d3f7fa9a91d933213cc10e20e740608983f64/library/std/src/rt.rs:65
[INFO] [stderr]     31:     0x562f6d68fd0a - main
[INFO] [stderr]     32:     0x7f6978f920b3 - __libc_start_main
[INFO] [stderr]     33:     0x562f6d6880be - _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" "89b946c6e5bcd5483ae4dda42d464fdaa3dd53bb1684d881bd900ad5bea1b471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b946c6e5bcd5483ae4dda42d464fdaa3dd53bb1684d881bd900ad5bea1b471", kill_on_drop: false }`
[INFO] [stdout] 89b946c6e5bcd5483ae4dda42d464fdaa3dd53bb1684d881bd900ad5bea1b471