[INFO] fetching crate boytacean 0.9.16...
[INFO] checking boytacean-0.9.16 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate boytacean 0.9.16 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate boytacean 0.9.16 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate boytacean 0.9.16
[INFO] finished tweaking crates.io crate boytacean 0.9.16
[INFO] tweaked toml for crates.io crate boytacean 0.9.16 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding built v0.5.2 (latest: v0.7.2)
[INFO] [stderr]       Adding cargo-lock v8.0.3 (latest: v9.0.0)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-lock v8.0.3
[INFO] [stderr]   Downloaded built v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53b7783d16694308d771c1a7c6f2b8721d2aae67df852658641a74554f9df7cb
[INFO] running `Command { std: "docker" "start" "-a" "53b7783d16694308d771c1a7c6f2b8721d2aae67df852658641a74554f9df7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53b7783d16694308d771c1a7c6f2b8721d2aae67df852658641a74554f9df7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b7783d16694308d771c1a7c6f2b8721d2aae67df852658641a74554f9df7cb", kill_on_drop: false }`
[INFO] [stdout] 53b7783d16694308d771c1a7c6f2b8721d2aae67df852658641a74554f9df7cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64cbb5ca1a4dfb0f8b04e68988bd0bacce18fdae45576f2336922485e08d370
[INFO] running `Command { std: "docker" "start" "-a" "d64cbb5ca1a4dfb0f8b04e68988bd0bacce18fdae45576f2336922485e08d370", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling boytacean v0.9.16 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `boytacean v0.9.16 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/boytacean-87b30591a3804d34/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:55:29:
[INFO] [stderr]   Can't open 'build.rs'
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5653957ffef5 - std::backtrace_rs::backtrace::libunwind::trace::hc0846b9d5d734da3
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x5653957ffef5 - std::backtrace_rs::backtrace::trace_unsynchronized::haaeb5c07fc5f1c16
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5653957ffef5 - std::sys_common::backtrace::_print_fmt::hf422d8687c118c78
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5653957ffef5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h826b8e7caae31c92
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5653958264fb - core::fmt::rt::Argument::fmt::ha5794cc754ea58dc
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x5653958264fb - core::fmt::write::h90bf88fced7d7a85
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x5653957fdbff - std::io::Write::write_fmt::h0542e06a2975a65e
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/io/mod.rs:1850:15
[INFO] [stderr]      7:     0x5653957ffcce - std::sys_common::backtrace::_print::h6c5d0ea7000c081f
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x5653957ffcce - std::sys_common::backtrace::print::h8cc61d3d9cfe4b43
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x565395800f89 - std::panicking::default_hook::{{closure}}::ha840b187609a73dc
[INFO] [stderr]     10:     0x565395800ca5 - std::panicking::default_hook::h64931701a8dfbeb5
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:291:9
[INFO] [stderr]     11:     0x565395801424 - std::panicking::rust_panic_with_hook::h0fc054ea3f5b1656
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:788:13
[INFO] [stderr]     12:     0x565395801306 - std::panicking::begin_panic_handler::{{closure}}::hd39fcf318858b44e
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x5653958003b9 - std::sys_common::backtrace::__rust_end_short_backtrace::h41bac59379df1622
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x565395801037 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x565395476316 - core::panicking::panic_fmt::h7b8f1967fb403697
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x56539547e5f1 - build_script_build::main::{{closure}}::h0e16d3cb50d78006
[INFO] [stderr]     17:     0x56539547aff4 - core::result::Result<T,E>::unwrap_or_else::hf47a1ece79803efa
[INFO] [stderr]     18:     0x56539547cf9b - build_script_build::main::h62a0a3f53369b6b4
[INFO] [stderr]     19:     0x565395479423 - core::ops::function::FnOnce::call_once::hb25f5e44d090640c
[INFO] [stderr]     20:     0x5653954786e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb79cf5a6e6077c3
[INFO] [stderr]     21:     0x565395478859 - std::rt::lang_start::{{closure}}::h92732cf6dace555e
[INFO] [stderr]     22:     0x5653957fb116 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h49d0eb024581c58d
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5653957fb116 - std::panicking::try::do_call::h216b6896714a987d
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x5653957fb116 - std::panicking::try::h4bac5f28dc782f91
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x5653957fb116 - std::panic::catch_unwind::h2a45431533d7ee9c
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panic.rs:149:14
[INFO] [stderr]     26:     0x5653957fb116 - std::rt::lang_start_internal::{{closure}}::h93ba00e1aef300e8
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/rt.rs:141:48
[INFO] [stderr]     27:     0x5653957fb116 - std::panicking::try::do_call::hbeece6a5e5d1de22
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x5653957fb116 - std::panicking::try::h48d13e3c46df2cb2
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x5653957fb116 - std::panic::catch_unwind::he1a369a4d9ab7488
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/panic.rs:149:14
[INFO] [stderr]     30:     0x5653957fb116 - std::rt::lang_start_internal::h5fddfc687b4198c5
[INFO] [stderr]                                  at /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/rt.rs:141:20
[INFO] [stderr]     31:     0x565395478837 - std::rt::lang_start::h7b89e485edb7120e
[INFO] [stderr]     32:     0x56539547f365 - main
[INFO] [stderr]     33:     0x7f9d13ceed90 - <unknown>
[INFO] [stderr]     34:     0x7f9d13ceee40 - __libc_start_main
[INFO] [stderr]     35:     0x565395476ca5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d64cbb5ca1a4dfb0f8b04e68988bd0bacce18fdae45576f2336922485e08d370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64cbb5ca1a4dfb0f8b04e68988bd0bacce18fdae45576f2336922485e08d370", kill_on_drop: false }`
[INFO] [stdout] d64cbb5ca1a4dfb0f8b04e68988bd0bacce18fdae45576f2336922485e08d370
[INFO] checking boytacean-0.9.16 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate boytacean 0.9.16 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate boytacean 0.9.16 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate boytacean 0.9.16
[INFO] finished tweaking crates.io crate boytacean 0.9.16
[INFO] tweaked toml for crates.io crate boytacean 0.9.16 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages
[INFO] [stderr]       Adding built v0.5.2 (latest: v0.7.2)
[INFO] [stderr]       Adding cargo-lock v8.0.3 (latest: v9.0.0)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bde5b40cef0f0e0f71423e7ac98c9b5e78240ef6c050bb685a9fbe59273827f1
[INFO] running `Command { std: "docker" "start" "-a" "bde5b40cef0f0e0f71423e7ac98c9b5e78240ef6c050bb685a9fbe59273827f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bde5b40cef0f0e0f71423e7ac98c9b5e78240ef6c050bb685a9fbe59273827f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde5b40cef0f0e0f71423e7ac98c9b5e78240ef6c050bb685a9fbe59273827f1", kill_on_drop: false }`
[INFO] [stdout] bde5b40cef0f0e0f71423e7ac98c9b5e78240ef6c050bb685a9fbe59273827f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4e9c85dc5a2ab22342f65ac62e9423627828cff6d07699f44d19f81a90e9b0
[INFO] running `Command { std: "docker" "start" "-a" "af4e9c85dc5a2ab22342f65ac62e9423627828cff6d07699f44d19f81a90e9b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling chrono v0.4.37
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cargo-lock v8.0.3
[INFO] [stderr]    Compiling built v0.5.2
[INFO] [stderr]    Compiling boytacean v0.9.16 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `boytacean v0.9.16 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/boytacean-87b30591a3804d34/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:55:29:
[INFO] [stderr]   Can't open 'build.rs'
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x565436926ca5 - std::backtrace_rs::backtrace::libunwind::trace::hf3db8a8b40c24f7d
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x565436926ca5 - std::backtrace_rs::backtrace::trace_unsynchronized::hc235afb01e65858b
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x565436926ca5 - std::sys_common::backtrace::_print_fmt::h3d22b03c95159582
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x565436926ca5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hda8229ae97fa6e6e
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x56543694d2ab - core::fmt::rt::Argument::fmt::hd364ed8041485813
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x56543694d2ab - core::fmt::write::h5f860456c85c48e6
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x5654369249af - std::io::Write::write_fmt::h9739ecb5be58d920
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/io/mod.rs:1850:15
[INFO] [stderr]      7:     0x565436926a7e - std::sys_common::backtrace::_print::hccefc98514458b82
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x565436926a7e - std::sys_common::backtrace::print::h8665330714bbc830
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x565436927d39 - std::panicking::default_hook::{{closure}}::h861ab60f9faa0af8
[INFO] [stderr]     10:     0x565436927a55 - std::panicking::default_hook::h246a08137a9bf8ad
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:291:9
[INFO] [stderr]     11:     0x5654369281d4 - std::panicking::rust_panic_with_hook::hf3201bc4e87dcc95
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:788:13
[INFO] [stderr]     12:     0x5654369280b6 - std::panicking::begin_panic_handler::{{closure}}::hb553d0042661e592
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x565436927169 - std::sys_common::backtrace::__rust_end_short_backtrace::h803c216fab262e21
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x565436927de7 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x56543659c316 - core::panicking::panic_fmt::h4d756fc5322adaca
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x5654365a45f1 - build_script_build::main::{{closure}}::h8fcd307f4f4cd6ac
[INFO] [stderr]     17:     0x5654365a0c04 - core::result::Result<T,E>::unwrap_or_else::h0856dcf925d75712
[INFO] [stderr]     18:     0x5654365a2f9b - build_script_build::main::h6379db34c3c34dfc
[INFO] [stderr]     19:     0x56543659f3e3 - core::ops::function::FnOnce::call_once::h802c67ebcdeec555
[INFO] [stderr]     20:     0x56543659e6e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h823d700fc2ec6f23
[INFO] [stderr]     21:     0x56543659e859 - std::rt::lang_start::{{closure}}::he5a3805a53277def
[INFO] [stderr]     22:     0x565436921ec6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfbf15a8f32286aaa
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x565436921ec6 - std::panicking::try::do_call::hdb1c225d0095074d
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x565436921ec6 - std::panicking::try::hbcc926c02fc4540f
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x565436921ec6 - std::panic::catch_unwind::h8b2d970b29c5af89
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panic.rs:149:14
[INFO] [stderr]     26:     0x565436921ec6 - std::rt::lang_start_internal::{{closure}}::h04af4338bb06de8b
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/rt.rs:141:48
[INFO] [stderr]     27:     0x565436921ec6 - std::panicking::try::do_call::ha7ce4120aacfc8a3
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x565436921ec6 - std::panicking::try::h8f2eb319a88f8304
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x565436921ec6 - std::panic::catch_unwind::hd6c35347627418da
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/panic.rs:149:14
[INFO] [stderr]     30:     0x565436921ec6 - std::rt::lang_start_internal::h04e27d290bf4f790
[INFO] [stderr]                                  at /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/rt.rs:141:20
[INFO] [stderr]     31:     0x56543659e837 - std::rt::lang_start::h0d5869d6f87b5163
[INFO] [stderr]     32:     0x5654365a5365 - main
[INFO] [stderr]     33:     0x7fdd99403d90 - <unknown>
[INFO] [stderr]     34:     0x7fdd99403e40 - __libc_start_main
[INFO] [stderr]     35:     0x56543659cca5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "af4e9c85dc5a2ab22342f65ac62e9423627828cff6d07699f44d19f81a90e9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4e9c85dc5a2ab22342f65ac62e9423627828cff6d07699f44d19f81a90e9b0", kill_on_drop: false }`
[INFO] [stdout] af4e9c85dc5a2ab22342f65ac62e9423627828cff6d07699f44d19f81a90e9b0
