[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 against master#bd71213cf0a765705e7d72a099151bd4eb465ccb for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnathonNow/rust_minilang_bindings on toolchain bd71213cf0a765705e7d72a099151bd4eb465ccb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "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-0-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" "+bd71213cf0a765705e7d72a099151bd4eb465ccb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JohnathonNow/rust_minilang_bindings against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnathonNow/rust_minilang_bindings on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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-0-tc2/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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking JohnathonNow/rust_minilang_bindings against try#c0f799aeda763fc507814da0dc46c2dde7ca9133 for pr-123864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnathonNow%2Frust_minilang_bindings" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnathonNow/rust_minilang_bindings on toolchain c0f799aeda763fc507814da0dc46c2dde7ca9133
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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-0-tc2/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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a8cd9c8b7c006f680fad20bd56fb143c4c605dda80b08c11f2b28c9721b7286
[INFO] running `Command { std: "docker" "start" "-a" "0a8cd9c8b7c006f680fad20bd56fb143c4c605dda80b08c11f2b28c9721b7286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a8cd9c8b7c006f680fad20bd56fb143c4c605dda80b08c11f2b28c9721b7286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8cd9c8b7c006f680fad20bd56fb143c4c605dda80b08c11f2b28c9721b7286", kill_on_drop: false }`
[INFO] [stdout] 0a8cd9c8b7c006f680fad20bd56fb143c4c605dda80b08c11f2b28c9721b7286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c0f799aeda763fc507814da0dc46c2dde7ca9133" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1decca400ea6a9e9e507f1b5c036c0c422ac03ca8e1ac68276e3fa22649c35
[INFO] running `Command { std: "docker" "start" "-a" "fa1decca400ea6a9e9e507f1b5c036c0c422ac03ca8e1ac68276e3fa22649c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[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-348de053a989e3fa/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]   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:     0x55d69f3ea9c5 - std::backtrace_rs::backtrace::libunwind::trace::h32fd0d4201c4c14c
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]      1:     0x55d69f3ea9c5 - std::backtrace_rs::backtrace::trace_unsynchronized::h63ec46a322eb3d91
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d69f3ea9c5 - std::sys_common::backtrace::_print_fmt::hbe6ae3440bc40577
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55d69f3ea9c5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4516131200595da9
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55d69f4120bb - core::fmt::rt::Argument::fmt::h21c3a41b9f1da87e
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55d69f4120bb - core::fmt::write::ha40d07dabebad5d3
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/core/src/fmt/mod.rs:1153:17
[INFO] [stderr]      6:     0x55d69f3e821f - std::io::Write::write_fmt::h60eb794b7465e42a
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/io/mod.rs:1832:15
[INFO] [stderr]      7:     0x55d69f3ea79e - std::sys_common::backtrace::_print::hd3a3e5956afaf5d7
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55d69f3ea79e - std::sys_common::backtrace::print::h7ceded2198191da5
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55d69f3ebbd9 - std::panicking::default_hook::{{closure}}::h0481de196b8eec64
[INFO] [stderr]     10:     0x55d69f3eb91d - std::panicking::default_hook::hc61b0a69a8c22a2b
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:291:9
[INFO] [stderr]     11:     0x55d69f3ec074 - std::panicking::rust_panic_with_hook::hb0915874d15cdf57
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:788:13
[INFO] [stderr]     12:     0x55d69f3ebf56 - std::panicking::begin_panic_handler::{{closure}}::h590f8d5f5dabc9d8
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55d69f3eae89 - std::sys_common::backtrace::__rust_end_short_backtrace::hb6b721635326c2bf
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55d69f3ebc87 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55d69f061736 - core::panicking::panic_fmt::hd162bbc113ee8299
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55d69f061ca6 - core::result::unwrap_failed::h0312fff90620cc77
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/core/src/result.rs:1654:5
[INFO] [stderr]     17:     0x55d69f0640a8 - build_script_build::main::h5383636793191003
[INFO] [stderr]     18:     0x55d69f062b63 - core::ops::function::FnOnce::call_once::h1cc8f39a5f0f9ce5
[INFO] [stderr]     19:     0x55d69f062116 - std::sys_common::backtrace::__rust_begin_short_backtrace::h717ada557645dcad
[INFO] [stderr]     20:     0x55d69f0627f9 - std::rt::lang_start::{{closure}}::h83cc5df7a29c3b0e
[INFO] [stderr]     21:     0x55d69f3e45e6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h264bd7171ebc23a0
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x55d69f3e45e6 - std::panicking::try::do_call::h2135a058acc56ee8
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:552:40
[INFO] [stderr]     23:     0x55d69f3e45e6 - std::panicking::try::h3085f71e3f137bc7
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:516:19
[INFO] [stderr]     24:     0x55d69f3e45e6 - std::panic::catch_unwind::h1d3a62d2a20e11a3
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panic.rs:149:14
[INFO] [stderr]     25:     0x55d69f3e45e6 - std::rt::lang_start_internal::{{closure}}::hae4c47262dab2149
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/rt.rs:141:48
[INFO] [stderr]     26:     0x55d69f3e45e6 - std::panicking::try::do_call::hdde195503ed2e1ae
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:552:40
[INFO] [stderr]     27:     0x55d69f3e45e6 - std::panicking::try::hf67c4cc9691dcc4e
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panicking.rs:516:19
[INFO] [stderr]     28:     0x55d69f3e45e6 - std::panic::catch_unwind::hc3c8ea1bd3a4107a
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/panic.rs:149:14
[INFO] [stderr]     29:     0x55d69f3e45e6 - std::rt::lang_start_internal::h5ea6319ae2275577
[INFO] [stderr]                                  at /rustc/c0f799aeda763fc507814da0dc46c2dde7ca9133/library/std/src/rt.rs:141:20
[INFO] [stderr]     30:     0x55d69f0627d7 - std::rt::lang_start::h347bacc40fb59d64
[INFO] [stderr]     31:     0x55d69f064755 - main
[INFO] [stderr]     32:     0x7f6eb0dddd90 - <unknown>
[INFO] [stderr]     33:     0x7f6eb0ddde40 - __libc_start_main
[INFO] [stderr]     34:     0x55d69f062045 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "fa1decca400ea6a9e9e507f1b5c036c0c422ac03ca8e1ac68276e3fa22649c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1decca400ea6a9e9e507f1b5c036c0c422ac03ca8e1ac68276e3fa22649c35", kill_on_drop: false }`
[INFO] [stdout] fa1decca400ea6a9e9e507f1b5c036c0c422ac03ca8e1ac68276e3fa22649c35