[INFO] cloning repository https://github.com/zcash-hackworks/pay-to-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcash-hackworks/pay-to-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fpay-to-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fpay-to-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e80e165ab50495606c59edded993e193dc506dc0
[INFO] documenting zcash-hackworks/pay-to-sudoku against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcash-hackworks%2Fpay-to-sudoku" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zcash-hackworks/pay-to-sudoku on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zcash-hackworks/pay-to-sudoku
[INFO] finished tweaking git repo https://github.com/zcash-hackworks/pay-to-sudoku
[INFO] tweaked toml for git repo https://github.com/zcash-hackworks/pay-to-sudoku written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zcash-hackworks/pay-to-sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb596ae7bdfe0befdfb6f4e7e3c1b50631c992d92142877d45e977278fb15cc
[INFO] running `Command { std: "docker" "start" "-a" "1fb596ae7bdfe0befdfb6f4e7e3c1b50631c992d92142877d45e977278fb15cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb596ae7bdfe0befdfb6f4e7e3c1b50631c992d92142877d45e977278fb15cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb596ae7bdfe0befdfb6f4e7e3c1b50631c992d92142877d45e977278fb15cc", kill_on_drop: false }`
[INFO] [stdout] 1fb596ae7bdfe0befdfb6f4e7e3c1b50631c992d92142877d45e977278fb15cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50b9a5739664903770f9d10c2a9ce2fa1da44b2dd3aa54959a1289247557d38
[INFO] running `Command { std: "docker" "start" "-a" "d50b9a5739664903770f9d10c2a9ce2fa1da44b2dd3aa54959a1289247557d38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling pkg-config v0.3.6
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking httparse v1.1.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking strsim v0.4.0
[INFO] [stderr]     Checking ansi_term v0.7.1
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking whiteread v0.2.0
[INFO] [stderr]     Checking hex v0.1.0
[INFO] [stderr]     Checking thread-scoped v1.0.1
[INFO] [stderr]     Checking fixedbitset v0.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.1.6
[INFO] [stderr]     Checking encoding v0.2.32
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.12
[INFO] [stderr]     Checking log v0.3.5
[INFO] [stderr]     Checking clap v1.5.4
[INFO] [stderr]    Compiling unicase v1.2.1
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.6.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.3
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking num_cpus v0.2.10
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr] error: failed to run custom build command for `unicase v1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/unicase-80fbbcad5855854b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'unexpected -vV format', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version-0.1.6/src/lib.rs:123:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564ad6eef760 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x564ad6eef760 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564ad6eef760 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564ad6eef760 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564ad6f0c44c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x564ad6eed725 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x564ad6ef13fb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564ad6ef13fb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564ad6ef13fb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x564ad6ef0ed1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x564ad6ef1ac4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x564ad6ec1e23 - std::panicking::begin_panic::{{closure}}::h457597b2786d7e07
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x564ad6ec3e49 - std::sys_common::backtrace::__rust_end_short_backtrace::h30bff191f7a2b029
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x564ad6ec1d59 - std::panicking::begin_panic::hd43dcda3ddbd29fa
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x564ad6ec3215 - rustc_version::version_meta_for::h20b64461fda638b6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version-0.1.6/src/lib.rs:123:5
[INFO] [stderr]     15:     0x564ad6ec2f59 - rustc_version::version_meta::h77875fd1f5ab3971
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version-0.1.6/src/lib.rs:112:5
[INFO] [stderr]     16:     0x564ad6ec2c4c - rustc_version::version::h93d1620d2c14d8f7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version-0.1.6/src/lib.rs:95:5
[INFO] [stderr]     17:     0x564ad6ec3c0d - rustc_version::version_matches::hac045c6ea6b4ba09
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version-0.1.6/src/lib.rs:174:46
[INFO] [stderr]     18:     0x564ad6ec1bd6 - build_script_build::main::h89fb165d29e9f5fa
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicase-1.2.1/build.rs:4:8
[INFO] [stderr]     19:     0x564ad6ec1b1b - core::ops::function::FnOnce::call_once::hffcc7bec7cd34ca4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x564ad6ec1b8e - std::sys_common::backtrace::__rust_begin_short_backtrace::he76d0c2e368ed26b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x564ad6ec1a81 - std::rt::lang_start::{{closure}}::hf993317dda80e747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x564ad6ef1fc9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x564ad6ef1fc9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x564ad6ef1fc9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x564ad6ef1fc9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x564ad6ef1fc9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x564ad6ec1a60 - std::rt::lang_start::h1747b113f4f4ec16
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x564ad6ec1c3c - main
[INFO] [stderr]     29:     0x7fe768ee10b3 - __libc_start_main
[INFO] [stderr]     30:     0x564ad6ec196e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d50b9a5739664903770f9d10c2a9ce2fa1da44b2dd3aa54959a1289247557d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50b9a5739664903770f9d10c2a9ce2fa1da44b2dd3aa54959a1289247557d38", kill_on_drop: false }`
[INFO] [stdout] d50b9a5739664903770f9d10c2a9ce2fa1da44b2dd3aa54959a1289247557d38
