[INFO] fetching crate forester-webots 0.1.0...
[INFO] testing forester-webots-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate forester-webots 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate forester-webots 0.1.0
[INFO] finished tweaking crates.io crate forester-webots 0.1.0
[INFO] tweaked toml for crates.io crate forester-webots 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate forester-webots 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to highest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.5 (available: v0.73.2)
[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-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24
[INFO] running `Command { std: "docker" "start" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24", 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" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24" "/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" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24", 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" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling clang-sys v1.9.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling forester-webots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `bindgen::CargoCallbacks`: Use `CargoCallbacks::new()` instead. Please, check the documentation for further information.
[INFO] [stdout]   --> build.rs:20:44
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .parse_callbacks(Box::new(bindgen::CargoCallbacks))
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `webots_path`
[INFO] [stdout]  --> build.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let webots_path = env::var("WEBOTS_HOME")
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_webots_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `forester-webots 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/forester-webots-4afd1ccf07449e4a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (421) panicked at build.rs:6:10:
[INFO] [stderr]   The WEBOTS_HOME should be defined: NotPresent
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6031db4d1c41 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x6031db4e7f8a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x6031db4d6dac - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x6031db4ae546 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x6031db4c9fe1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x6031db4ca30b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x6031db4ae5f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x6031db4a7189 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x6031db4af1dd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x6031db4e87ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x6031db4e8582 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stderr]     11:     0x6031dafd1ba4 - <core[df12db4294e9bfd3]::result::Result<alloc[2182bb758b4b3781]::string::String, std[70759c8f55707aa4]::env::VarError>>::expect
[INFO] [stderr]     12:     0x6031dafd10ea - build_script_build[e3414638a3680f4b]::main
[INFO] [stderr]     13:     0x6031dafd2e5b - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x6031dafd0f3e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x6031dafd1039 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x6031db4c90d9 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     17:     0x6031dafd0d61 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x6031dafd3145 - main
[INFO] [stderr]     19:     0x796d3bf2d601 - <unknown>
[INFO] [stderr]     20:     0x796d3bf2d718 - __libc_start_main
[INFO] [stderr]     21:     0x6031dafd04d5 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24", kill_on_drop: false }`
[INFO] [stdout] 51ac4b3cbc14233a56cc8911ea9ef436d10f7e15bc43208dff8d7ec15cfd3b24
