[INFO] cloning repository https://github.com/AustinHaugerud/mb_ext_script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinHaugerud/mb_ext_script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74dcc1b8e3e80b96228f9e729c5de9f04f064a7d
[INFO] checking AustinHaugerud/mb_ext_script against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinHaugerud%2Fmb_ext_script" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AustinHaugerud/mb_ext_script
[INFO] finished tweaking git repo https://github.com/AustinHaugerud/mb_ext_script
[INFO] tweaked toml for git repo https://github.com/AustinHaugerud/mb_ext_script written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AustinHaugerud/mb_ext_script on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AustinHaugerud/mb_ext_script 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4092d2ee16137897734e104abc3c4a9f9dc79af2aa3ca432ae934bbdb337120
[INFO] running `Command { std: "docker" "start" "-a" "a4092d2ee16137897734e104abc3c4a9f9dc79af2aa3ca432ae934bbdb337120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4092d2ee16137897734e104abc3c4a9f9dc79af2aa3ca432ae934bbdb337120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4092d2ee16137897734e104abc3c4a9f9dc79af2aa3ca432ae934bbdb337120", kill_on_drop: false }`
[INFO] [stdout] a4092d2ee16137897734e104abc3c4a9f9dc79af2aa3ca432ae934bbdb337120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e2893c54b615ae0f52557490393be586f15c3fac73553c336133892d76e67d
[INFO] running `Command { std: "docker" "start" "-a" "05e2893c54b615ae0f52557490393be586f15c3fac73553c336133892d76e67d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling cpython v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling python27-sys v0.2.1
[INFO] [stderr] error: failed to run custom build command for `python27-sys v0.2.1`
[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/python27-sys-d3e451437e89ebbd/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (481) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/python27-sys-0.2.1/build.rs:402:65:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: "failed to run python interpreter `\"python\" \"-c\" \"import sys; import sysconfig; print(sys.executable); print(sys.version_info[0:2]); print(sysconfig.get_config_var(\\'LIBDIR\\')); print(sysconfig.get_config_var(\\'Py_ENABLE_SHARED\\')); print(sysconfig.get_config_var(\\'LDVERSION\\') or \\'%s%s\\' % (sysconfig.get_config_var(\\'py_version_short\\'), sysconfig.get_config_var(\\'DEBUG_EXT\\') or \\'\\')); print(sys.exec_prefix);\"`: No such file or directory (os error 2)"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ea200098d72 - std::backtrace_rs::backtrace::libunwind::trace::h8714d94f1f2bd164
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ea200098d72 - std::backtrace_rs::backtrace::trace_unsynchronized::hcafee44aa61e678f
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ea200098d72 - std::sys::backtrace::_print_fmt::ha8fba58b2f66a9e9
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ea200098d72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h55273c109f480de8
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ea2000a918f - core::fmt::rt::Argument::fmt::hddc1032261c428fe
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5ea2000a918f - core::fmt::write::he6bcf7c3f2c4eba5
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5ea20006d3b3 - std::io::default_write_fmt::hf93eabd79e5df19f
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ea20006d3b3 - std::io::Write::write_fmt::hc4c289442f488f72
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5ea200076e12 - std::sys::backtrace::BacktraceLock::print::h453555a0d0bae7d2
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5ea200078c9c - std::panicking::default_hook::{{closure}}::h3ebcee4d4a10f231
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5ea200078af6 - std::panicking::default_hook::h8d904937f0dd5b7e
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5ea200079275 - std::panicking::panic_with_hook::hba74873bd829b497
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5ea20007910a - std::panicking::panic_handler::{{closure}}::h0dde4058cec7fa08
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5ea200076f59 - std::sys::backtrace::__rust_end_short_backtrace::h9342f1937ef55218
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5ea200061c6d - __rustc[5a136cd62b6ae824]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5ea2000ad100 - core::panicking::panic_fmt::h7e8daff19647caf5
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ea2000ac746 - core::result::unwrap_failed::ha7938522f7f7027e
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x5ea1fff583ba - build_script_build::main::he85f72b75254ee1f
[INFO] [stderr]     18:     0x5ea1fff4a853 - core::ops::function::FnOnce::call_once::h97e72baa83f7a513
[INFO] [stderr]     19:     0x5ea1fff4e176 - std::sys::backtrace::__rust_begin_short_backtrace::h6e41b824ab07ff25
[INFO] [stderr]     20:     0x5ea1fff4dff9 - std::rt::lang_start::{{closure}}::h0c0c55010be1aa1b
[INFO] [stderr]     21:     0x5ea20006ea10 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7c8c93d7c0cb0422
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5ea20006ea10 - std::panicking::catch_unwind::do_call::ha03d5ac0e4aa50e7
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x5ea20006ea10 - std::panicking::catch_unwind::hfba45bb934fc2e1a
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x5ea20006ea10 - std::panic::catch_unwind::h51a82f25faf184c3
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5ea20006ea10 - std::rt::lang_start_internal::{{closure}}::h89e47390206e3c4f
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5ea20006ea10 - std::panicking::catch_unwind::do_call::h6e1e6dcf14a2eeab
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x5ea20006ea10 - std::panicking::catch_unwind::h8dc206e2e3376274
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x5ea20006ea10 - std::panic::catch_unwind::h0ff4af620be037da
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5ea20006ea10 - std::rt::lang_start_internal::h2f00f16ee79d72a1
[INFO] [stderr]                                  at /rustc/b4c55082edd8dec08ce8af276d7054d9c4db20c4/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5ea1fff4dfe1 - std::rt::lang_start::hb712c43787925526
[INFO] [stderr]     31:     0x5ea1fff5abe5 - main
[INFO] [stderr]     32:     0x7c1a7b1a71ca - <unknown>
[INFO] [stderr]     33:     0x7c1a7b1a728b - __libc_start_main
[INFO] [stderr]     34:     0x5ea1fff45905 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "05e2893c54b615ae0f52557490393be586f15c3fac73553c336133892d76e67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e2893c54b615ae0f52557490393be586f15c3fac73553c336133892d76e67d", kill_on_drop: false }`
[INFO] [stdout] 05e2893c54b615ae0f52557490393be586f15c3fac73553c336133892d76e67d
