[INFO] fetching crate ic4-sys 0.2.0...
[INFO] testing ic4-sys-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ic4-sys 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ic4-sys 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ic4-sys 0.2.0
[INFO] tweaked toml for crates.io crate ic4-sys 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ic4-sys 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to highest compatible versions
[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] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | homepage = "https://github.com/MiyakoMeow/ic4-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 | repository = "https://github.com/MiyakoMeow/ic4-rs"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ic4-sys` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e
[INFO] running `Command { std: "docker" "start" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e", 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" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e" "/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" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e", 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" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | homepage = "https://github.com/MiyakoMeow/ic4-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 | repository = "https://github.com/MiyakoMeow/ic4-rs"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `ic4-sys` (manifest) generated 1 warning
[INFO] [stderr]    Compiling ic4-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ic4-sys v0.2.0 (/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/ic4-sys/69baff630b843b1f/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (81) panicked at build.rs:34:45:
[INFO] [stderr]   called `Option::unwrap()` on a `None` value
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5dc590c68171 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5dc590c78dda - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      2:     0x5dc590c6b7bc - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5dc590c51e26 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5dc590c647e1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]      5:     0x5dc590c6499b - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5dc590c51f04 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5dc590c4afa9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5dc590c5269d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]      9:     0x5dc590c7950c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5dc590c794d2 - core[a373ad73a504971]::panicking::panic
[INFO] [stderr]     11:     0x5dc590c79289 - core[a373ad73a504971]::option::unwrap_failed
[INFO] [stderr]     12:     0x5dc590c40163 - build_script_build[3ff27f7ff9b9980f]::main
[INFO] [stderr]     13:     0x5dc590c40dd3 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     14:     0x5dc590c3fcc6 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     15:     0x5dc590c3ff59 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     16:     0x5dc590c63f88 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]     17:     0x5dc590c3fb01 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     18:     0x5dc590c40e45 - main
[INFO] [stderr]     19:     0x7afa48480601 - <unknown>
[INFO] [stderr]     20:     0x7afa48480718 - __libc_start_main
[INFO] [stderr]     21:     0x5dc590c3f815 - _start
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e", kill_on_drop: false }`
[INFO] [stdout] 59586d6499ad64a9a7c466883c2666d2204b8ea9fac943a7146ac3c4ac8d7e9e
