[INFO] fetching crate couchbase-lite 0.7.5...
[INFO] testing couchbase-lite-0.7.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate couchbase-lite 0.7.5 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate couchbase-lite 0.7.5 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate couchbase-lite 0.7.5
[INFO] finished tweaking crates.io crate couchbase-lite 0.7.5
[INFO] tweaked toml for crates.io crate couchbase-lite 0.7.5 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6c6297e4433f32bda4e2a4137fd8d0761920e7888798ae66bcbbd0883a2d7a3
[INFO] running `Command { std: "docker" "start" "-a" "a6c6297e4433f32bda4e2a4137fd8d0761920e7888798ae66bcbbd0883a2d7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c6297e4433f32bda4e2a4137fd8d0761920e7888798ae66bcbbd0883a2d7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c6297e4433f32bda4e2a4137fd8d0761920e7888798ae66bcbbd0883a2d7a3", kill_on_drop: false }`
[INFO] [stdout] a6c6297e4433f32bda4e2a4137fd8d0761920e7888798ae66bcbbd0883a2d7a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69d356d6d2d42fb64c295a6cde1681b401f3baf386da1130012ced5b4be90eee
[INFO] running `Command { std: "docker" "start" "-a" "69d356d6d2d42fb64c295a6cde1681b401f3baf386da1130012ced5b4be90eee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling va_list v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.1
[INFO] [stderr]    Compiling couchbase-lite-core-sys v0.6.3
[INFO] [stderr] error: failed to run custom build command for `couchbase-lite-core-sys v0.6.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/couchbase-lite-core-sys-ceb1be65d30a4fec/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'download of source code failed: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/couchbase-lite-core-sys-0.6.3/build.rs:20:57
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5632a7ea953d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5632a7ea953d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5632a7ea953d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5632a7ea953d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h26f189e611080a74
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5632a7ecebec - core::fmt::write::hfb5d11dfe037e8b7
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x5632a7ea5cd1 - std::io::Write::write_fmt::ha30651f608022a46
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x5632a7eab0e5 - std::sys_common::backtrace::_print::h7a0e44402913ba60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5632a7eab0e5 - std::sys_common::backtrace::print::h9767dc455a84e728
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5632a7eab0e5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5632a7eaad99 - std::panicking::default_hook::ha7b9bac6813f9d21
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5632a7eab632 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x5632a7eab517 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x5632a7ea99f4 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5632a7eab249 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x5632a79a3b53 - core::panicking::panic_fmt::h5c41cb2fa118fdbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x5632a79a3c43 - core::result::unwrap_failed::h6bc7b183ec719494
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x5632a79abc30 - core::result::Result<T,E>::expect::he2106b01020844e5
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/result.rs:1035:23
[INFO] [stderr]     17:     0x5632a79a4079 - build_script_build::main::h0756da2cb156222e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/couchbase-lite-core-sys-0.6.3/build.rs:20:16
[INFO] [stderr]     18:     0x5632a79b2fbb - core::ops::function::FnOnce::call_once::h1de6f8b638f88600
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5632a79adf8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1610d58b5dd53b58
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     20:     0x5632a79ace91 - std::rt::lang_start::{{closure}}::hb372786339f695df
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x5632a7ea0d7e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae31cd38f966dcbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5632a7ea0d7e - std::panicking::try::do_call::h4a4c12a32b804624
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     23:     0x5632a7ea0d7e - std::panicking::try::h87f80f5db1929b60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     24:     0x5632a7ea0d7e - std::panic::catch_unwind::hbc53afd5a2bdc195
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x5632a7ea0d7e - std::rt::lang_start_internal::{{closure}}::h2e62ddd08385fac8
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x5632a7ea0d7e - std::panicking::try::do_call::h04b85b79b362213e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     27:     0x5632a7ea0d7e - std::panicking::try::h428fba6a4941d8ed
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     28:     0x5632a7ea0d7e - std::panic::catch_unwind::hd73c90258412492e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x5632a7ea0d7e - std::rt::lang_start_internal::h26255896a96668b5
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x5632a79ace60 - std::rt::lang_start::h2e82450122826d4e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x5632a79ab68c - main
[INFO] [stderr]     32:     0x7f43a9c820b3 - __libc_start_main
[INFO] [stderr]     33:     0x5632a79a3e4e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "69d356d6d2d42fb64c295a6cde1681b401f3baf386da1130012ced5b4be90eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d356d6d2d42fb64c295a6cde1681b401f3baf386da1130012ced5b4be90eee", kill_on_drop: false }`
[INFO] [stdout] 69d356d6d2d42fb64c295a6cde1681b401f3baf386da1130012ced5b4be90eee