[INFO] fetching crate minecraft_end_generation 0.3.2...
[INFO] testing minecraft_end_generation-0.3.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate minecraft_end_generation 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate minecraft_end_generation 0.3.2
[INFO] finished tweaking crates.io crate minecraft_end_generation 0.3.2
[INFO] tweaked toml for crates.io crate minecraft_end_generation 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minecraft_end_generation 0.3.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minecraft_end_generation 0.3.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intmap v0.7.0
[INFO] [stderr]   Downloaded java_random v0.1.7
[INFO] [stderr]   Downloaded sha2 v0.9.4
[INFO] [stderr]   Downloaded cpufeatures v0.1.0
[INFO] [stderr]   Downloaded noise_rs v0.1.16
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded indexmap v1.6.2
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded cbindgen v0.17.0
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded half v1.7.1
[INFO] [stderr]   Downloaded memoffset v0.6.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ad9fae968795128ee04e4136cd785c7efd17ae0743891605b69e717e8cce560
[INFO] running `Command { std: "docker" "start" "-a" "1ad9fae968795128ee04e4136cd785c7efd17ae0743891605b69e717e8cce560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad9fae968795128ee04e4136cd785c7efd17ae0743891605b69e717e8cce560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad9fae968795128ee04e4136cd785c7efd17ae0743891605b69e717e8cce560", kill_on_drop: false }`
[INFO] [stdout] 1ad9fae968795128ee04e4136cd785c7efd17ae0743891605b69e717e8cce560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1e3b50820f3c81d49cab74c55a81e6338ca99a9fddd14bbd90bcc67201698f4
[INFO] running `Command { std: "docker" "start" "-a" "f1e3b50820f3c81d49cab74c55a81e6338ca99a9fddd14bbd90bcc67201698f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cbindgen v0.17.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.1.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling java_random v0.1.7
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling noise_rs v0.1.16
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling minecraft_end_generation v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `minecraft_end_generation v0.3.2 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/minecraft_end_generation-e88fadf09fbee219/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cbindgen-0.17.0/src/bindgen/bindings.rs:99:44:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e94cc32d9e2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e94cc32d9e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e94cc32d9e2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e94cc32d9e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e94cc3565d3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5e94cc3565d3 - core::fmt::write::h8a494366950f23bb
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5e94cc32ab73 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e94cc32ab73 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5e94cc32d832 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5e94cc32ef09 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5e94cc32eceb - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5e94cc32f9de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]     12:     0x5e94cc32f9de - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stderr]     13:     0x5e94cc32f6aa - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stderr]     14:     0x5e94cc32dee9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     15:     0x5e94cc32f33d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stderr]     16:     0x5e94cc354710 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stderr]     17:     0x5e94cc354b76 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stderr]     18:     0x5e94cbff3a7b - cbindgen::bindgen::bindings::Bindings::write_to_file::h1380daf47d85ac3f
[INFO] [stderr]     19:     0x5e94cbffc895 - build_script_build::main::hb1d0b85946d73397
[INFO] [stderr]     20:     0x5e94cc006de3 - core::ops::function::FnOnce::call_once::h1a2a60ddb2ffcded
[INFO] [stderr]     21:     0x5e94cbff83c6 - std::sys::backtrace::__rust_begin_short_backtrace::h9469b9aeeb376a17
[INFO] [stderr]     22:     0x5e94cc006b79 - std::rt::lang_start::{{closure}}::h7bdd29c5626bf3a9
[INFO] [stderr]     23:     0x5e94cc326d30 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5e94cc326d30 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5e94cc326d30 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5e94cc326d30 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5e94cc326d30 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5e94cc326d30 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5e94cc326d30 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5e94cc326d30 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5e94cc326d30 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stderr]                                  at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5e94cc006b61 - std::rt::lang_start::hb5a889304ffdf645
[INFO] [stderr]     33:     0x5e94cbffc915 - main
[INFO] [stderr]     34:     0x72b3e7b881ca - <unknown>
[INFO] [stderr]     35:     0x72b3e7b8828b - __libc_start_main
[INFO] [stderr]     36:     0x5e94cbfd3f65 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f1e3b50820f3c81d49cab74c55a81e6338ca99a9fddd14bbd90bcc67201698f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e3b50820f3c81d49cab74c55a81e6338ca99a9fddd14bbd90bcc67201698f4", kill_on_drop: false }`
[INFO] [stdout] f1e3b50820f3c81d49cab74c55a81e6338ca99a9fddd14bbd90bcc67201698f4