[INFO] fetching crate vsmprotocol 0.1.2...
[INFO] testing vsmprotocol-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate vsmprotocol 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vsmprotocol 0.1.2
[INFO] finished tweaking crates.io crate vsmprotocol 0.1.2
[INFO] tweaked toml for crates.io crate vsmprotocol 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vsmprotocol 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vsmprotocol 0.1.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f
[INFO] running `Command { std: "docker" "start" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f", 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" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f", 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" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling vsmprotocol v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stdout] warning: unused variable: `manifest_dir`
[INFO] [stdout]  --> build.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manifest_dir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lib_filename`
[INFO] [stdout]   --> build.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let lib_filename = format!("{}-{}", lib_basename, ext); // Original binary name
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lib_filename`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: vsmprotocol@0.1.2: Downloading VSM binary from https://github.com/cezarpena/vsm-protocol/releases/download/v0.1.5/vsmprotocol-linux-amd64.so
[INFO] [stderr] error: failed to run custom build command for `vsmprotocol v0.1.2 (/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/vsmprotocol-023dd5c74d43b390/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:warning=Downloading VSM binary from https://github.com/cezarpena/vsm-protocol/releases/download/v0.1.5/vsmprotocol-linux-amd64.so
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]     % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
[INFO] [stderr]                                    Dload  Upload  Total   Spent   Left   Speed
[INFO] [stderr]   
  0      0   0      0   0      0      0      0                              0curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (87) panicked at build.rs:46:13:
[INFO] [stderr]   Failed to download VSM binary from GitHub Release v0.1.5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5af9ce09edb1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5af9ce0b007a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5af9ce0a2a9c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5af9ce082af6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5af9ce09b001 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5af9ce09b1bb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5af9ce082ba2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5af9ce07bc39 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5af9ce08339d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5af9ce0b07ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5af9ce06e745 - build_script_build[44b4ce7be487f9b6]::main
[INFO] [stderr]     11:     0x5af9ce070863 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x5af9ce06d1c6 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     13:     0x5af9ce06d6c9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     14:     0x5af9ce09a439 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     15:     0x5af9ce06ca91 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     16:     0x5af9ce070955 - main
[INFO] [stderr]     17:     0x77879d86b601 - <unknown>
[INFO] [stderr]     18:     0x77879d86b718 - __libc_start_main
[INFO] [stderr]     19:     0x5af9ce06bfd5 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f", kill_on_drop: false }`
[INFO] [stdout] e91f230382c97a259adfc377f0c41ed4b788007cb9b98e3d7fb76d9f622da13f
