[INFO] cloning repository https://github.com/JohnathonNow/rust_minilang_bindings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnathonNow/rust_minilang_bindings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7057f7b17fc8412bbf99fed85de0c92dcfefde9b
[INFO] checking JohnathonNow/rust_minilang_bindings/7057f7b17fc8412bbf99fed85de0c92dcfefde9b against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnathonNow/rust_minilang_bindings on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JohnathonNow/rust_minilang_bindings
[INFO] finished tweaking git repo https://github.com/JohnathonNow/rust_minilang_bindings
[INFO] tweaked toml for git repo https://github.com/JohnathonNow/rust_minilang_bindings written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnathonNow/rust_minilang_bindings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9af93152e3b04867d7e39a14bb87bc738cdccf3a3b6554ea2cfabf7ed8743134
[INFO] running `Command { std: "docker" "start" "-a" "9af93152e3b04867d7e39a14bb87bc738cdccf3a3b6554ea2cfabf7ed8743134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9af93152e3b04867d7e39a14bb87bc738cdccf3a3b6554ea2cfabf7ed8743134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af93152e3b04867d7e39a14bb87bc738cdccf3a3b6554ea2cfabf7ed8743134", kill_on_drop: false }`
[INFO] [stdout] 9af93152e3b04867d7e39a14bb87bc738cdccf3a3b6554ea2cfabf7ed8743134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495f158ca9d14c6e392334ecf76aa7d5df9c248933d0d3ce7fc0d68c3e638c35
[INFO] running `Command { std: "docker" "start" "-a" "495f158ca9d14c6e392334ecf76aa7d5df9c248933d0d3ce7fc0d68c3e638c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rustml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rustml v0.1.0 (/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/rustml-99e259404ef679f5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=bz2
[INFO] [stderr]   cargo:rerun-if-changed=wrapper.h
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:14:103:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: "ML_PATH not set"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x58210e3d9b90 - std::backtrace_rs::backtrace::libunwind::trace::h410ec2ef093ea652
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x58210e3d9b90 - std::backtrace_rs::backtrace::trace_unsynchronized::hd9c0cafbb181e88d
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x58210e3d9b90 - std::sys::backtrace::_print_fmt::h473b804a208d817a
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x58210e3d9b90 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h51230b4dce676db8
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x58210e402413 - core::fmt::rt::Argument::fmt::hfb06f6a505f408ed
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x58210e402413 - core::fmt::write::h168a274dbcc566e3
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x58210e3d69f3 - std::io::Write::write_fmt::hb5c238932874ef9b
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x58210e3d99e2 - std::sys::backtrace::BacktraceLock::print::hc6315d52ac3b075a
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x58210e3da93f - std::panicking::default_hook::{{closure}}::hc4de4f610c70ab98
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x58210e3da7aa - std::panicking::default_hook::h4d3c2eb1645483a5
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x58210e3db362 - std::panicking::rust_panic_with_hook::h61077dc97469ee34
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x58210e3db0ea - std::panicking::begin_panic_handler::{{closure}}::hf79f27d74d77b97c
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x58210e3da0a9 - std::sys::backtrace::__rust_end_short_backtrace::hec8e7493ee62425c
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x58210e3dad7d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x58210e4006a0 - core::panicking::panic_fmt::h4e7fdc60e429d48e
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x58210e400b46 - core::result::unwrap_failed::h0b8ed3d66f7d358a
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x58210e08d6ca - build_script_build::main::h1919abf9e4b1ab1d
[INFO] [stderr]     17:     0x58210e08c1d3 - core::ops::function::FnOnce::call_once::h7cfebbb6f1654c39
[INFO] [stderr]     18:     0x58210e08c0c6 - std::sys::backtrace::__rust_begin_short_backtrace::h50471b0277c079d8
[INFO] [stderr]     19:     0x58210e08c0a9 - std::rt::lang_start::{{closure}}::h7e3936db72b90a62
[INFO] [stderr]     20:     0x58210e3d20f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha6c895edc324774d
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x58210e3d20f0 - std::panicking::try::do_call::h8e8ea6613c70188b
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:587:40
[INFO] [stderr]     22:     0x58210e3d20f0 - std::panicking::try::h30798704378646c5
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:550:19
[INFO] [stderr]     23:     0x58210e3d20f0 - std::panic::catch_unwind::h5ea061b0bc254388
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panic.rs:358:14
[INFO] [stderr]     24:     0x58210e3d20f0 - std::rt::lang_start_internal::{{closure}}::h2dc1e95592c034a3
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x58210e3d20f0 - std::panicking::try::do_call::h0851366a7dbb8460
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:587:40
[INFO] [stderr]     26:     0x58210e3d20f0 - std::panicking::try::h8bd5b7c271fa12e6
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panicking.rs:550:19
[INFO] [stderr]     27:     0x58210e3d20f0 - std::panic::catch_unwind::hb5d33eb205906088
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/panic.rs:358:14
[INFO] [stderr]     28:     0x58210e3d20f0 - std::rt::lang_start_internal::h7f2cda79ea1291f1
[INFO] [stderr]                                  at /rustc/d8810e3e2dab96778d20dd6d746ff95465515509/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x58210e08c091 - std::rt::lang_start::h08095a07a355ef4c
[INFO] [stderr]     30:     0x58210e08dd15 - main
[INFO] [stderr]     31:     0x7f85f6c34d90 - <unknown>
[INFO] [stderr]     32:     0x7f85f6c34e40 - __libc_start_main
[INFO] [stderr]     33:     0x58210e08b985 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "495f158ca9d14c6e392334ecf76aa7d5df9c248933d0d3ce7fc0d68c3e638c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495f158ca9d14c6e392334ecf76aa7d5df9c248933d0d3ce7fc0d68c3e638c35", kill_on_drop: false }`
[INFO] [stdout] 495f158ca9d14c6e392334ecf76aa7d5df9c248933d0d3ce7fc0d68c3e638c35