[INFO] cloning repository https://github.com/grahamc/nixswiftrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grahamc/nixswiftrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 117b1ca532c81bcf3b89ef2304a12a3dc2f2125a
[INFO] testing grahamc/nixswiftrust against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamc%2Fnixswiftrust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grahamc/nixswiftrust
[INFO] finished tweaking git repo https://github.com/grahamc/nixswiftrust
[INFO] tweaked toml for git repo https://github.com/grahamc/nixswiftrust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grahamc/nixswiftrust on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grahamc/nixswiftrust 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357
[INFO] running `Command { std: "docker" "start" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling swift-rs v1.0.7
[INFO] [stderr]    Compiling nixrustswift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nixrustswift v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/nixrustswift/0f33c1391a42e50d/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (378) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/swift-rs-1.0.7/src-rs/build.rs:57:18:
[INFO] [stderr]   unexpected target operating system
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5775d334de21 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5775d336081a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x5775d335178c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5775d3330f56 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5775d3349c51 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x5775d3349e0b - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5775d3331034 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5775d3329ee9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5775d33317cd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x5775d3360f8c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5775d32fe087 - <swift_rs[15ecf6170f286691]::build::RustTargetOS>::from_env
[INFO] [stderr]     11:     0x5775d32fbbf8 - <swift_rs[15ecf6170f286691]::build::RustTarget>::from_env
[INFO] [stderr]     12:     0x5775d32fadfa - <swift_rs[15ecf6170f286691]::build::SwiftEnv>::new
[INFO] [stderr]     13:     0x5775d32fbe77 - <swift_rs[15ecf6170f286691]::build::SwiftLinker>::link
[INFO] [stderr]     14:     0x5775d32f4e11 - build_script_build[c156b535ae8cbc66]::main
[INFO] [stderr]     15:     0x5775d32f50d3 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     16:     0x5775d32f4ade - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     17:     0x5775d32f4d69 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     18:     0x5775d33490c8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     19:     0x5775d32f4a91 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     20:     0x5775d32f5115 - main
[INFO] [stderr]     21:     0x7023f459f601 - <unknown>
[INFO] [stderr]     22:     0x7023f459f718 - __libc_start_main
[INFO] [stderr]     23:     0x5775d32f46b5 - _start
[INFO] [stderr]     24:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357", kill_on_drop: false }`
[INFO] [stdout] e5971fb4478a252fa539452e4b08f84532e76b251d513014f5c2f418bebac357
