[INFO] cloning repository https://github.com/watilde/neon-fizzbuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/watilde/neon-fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatilde%2Fneon-fizzbuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatilde%2Fneon-fizzbuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18a82161b4067b780366697b08c2f8ec82a02012
[INFO] testing watilde/neon-fizzbuzz against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwatilde%2Fneon-fizzbuzz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/watilde/neon-fizzbuzz on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/watilde/neon-fizzbuzz
[INFO] finished tweaking git repo https://github.com/watilde/neon-fizzbuzz
[INFO] tweaked toml for git repo https://github.com/watilde/neon-fizzbuzz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/watilde/neon-fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gcc v0.3.21
[INFO] [stderr]   Downloaded neon v0.1.0
[INFO] [stderr]   Downloaded neon-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61b4c33952d5fda443991aac44516aedb27e5d704f9fea87c6de0c1b704988d0
[INFO] running `Command { std: "docker" "start" "-a" "61b4c33952d5fda443991aac44516aedb27e5d704f9fea87c6de0c1b704988d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61b4c33952d5fda443991aac44516aedb27e5d704f9fea87c6de0c1b704988d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b4c33952d5fda443991aac44516aedb27e5d704f9fea87c6de0c1b704988d0", kill_on_drop: false }`
[INFO] [stdout] 61b4c33952d5fda443991aac44516aedb27e5d704f9fea87c6de0c1b704988d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402b6b64e338b389b376aa6024b83ece0e948ecd8e4a84ba0f8e4b8996832a8f
[INFO] running `Command { std: "docker" "start" "-a" "402b6b64e338b389b376aa6024b83ece0e948ecd8e4a84ba0f8e4b8996832a8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling neon-sys v0.1.0
[INFO] [stderr] error: failed to run custom build command for `neon-sys v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/neon-sys-9382f361ccd47c06/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.1.0/build.rs:23:54
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558fd7ac0e7d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x558fd7ac0e7d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558fd7ac0e7d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x558fd7ac0e7d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x558fd7ae223c - core::fmt::write::he803f0f418caf762
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x558fd7abc758 - std::io::Write::write_fmt::h70bc45872f37e7bb
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x558fd7ac2c77 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x558fd7ac2c77 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x558fd7ac2c77 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x558fd7ac2940 - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x558fd7ac33c9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x558fd7ac3079 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x558fd7ac1344 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x558fd7ac2dc9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x558fd7a82423 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x558fd7a822ed - core::panicking::panic::h4241c5ccea17faca
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x558fd7a83558 - core::option::Option<T>::unwrap::hf162880391cc3122
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:752:21
[INFO] [stderr]     17:     0x558fd7a82fb5 - build_script_build::build_object_file::he62efb89d71814e5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.1.0/build.rs:23:5
[INFO] [stderr]     18:     0x558fd7a83356 - build_script_build::main::h1f78ae94a282d7e6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/neon-sys-0.1.0/build.rs:41:5
[INFO] [stderr]     19:     0x558fd7a8379b - core::ops::function::FnOnce::call_once::hbe7ebbe313d64124
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x558fd7a8393e - std::sys_common::backtrace::__rust_begin_short_backtrace::h4d6dc0b2c0af10d0
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x558fd7a836d1 - std::rt::lang_start::{{closure}}::h83f99c7b3e75b6d9
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x558fd7ac0561 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb7014f43484a8b4e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x558fd7ac0561 - std::panicking::try::do_call::h7bc9dc436daeb8c7
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x558fd7ac0561 - std::panicking::try::h653d68a27ff5f175
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x558fd7ac0561 - std::panic::catch_unwind::h9d739f9f59895e68
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x558fd7ac0561 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x558fd7ac0561 - std::panicking::try::do_call::hfb39d6df61a2e69f
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x558fd7ac0561 - std::panicking::try::h13e2d225134958ac
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x558fd7ac0561 - std::panic::catch_unwind::h3bd49b5a5dfb1a50
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x558fd7ac0561 - std::rt::lang_start_internal::h2ba92edce36c035e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x558fd7a836a0 - std::rt::lang_start::h62c4618dfb3134f5
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x558fd7a8337c - main
[INFO] [stderr]     33:     0x7f75033da0b3 - __libc_start_main
[INFO] [stderr]     34:     0x558fd7a82bae - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "402b6b64e338b389b376aa6024b83ece0e948ecd8e4a84ba0f8e4b8996832a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402b6b64e338b389b376aa6024b83ece0e948ecd8e4a84ba0f8e4b8996832a8f", kill_on_drop: false }`
[INFO] [stdout] 402b6b64e338b389b376aa6024b83ece0e948ecd8e4a84ba0f8e4b8996832a8f