[INFO] fetching crate keybase-protocol 0.2.0...
[INFO] checking keybase-protocol-0.2.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate keybase-protocol 0.2.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate keybase-protocol 0.2.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keybase-protocol 0.2.0
[INFO] finished tweaking crates.io crate keybase-protocol 0.2.0
[INFO] tweaked toml for crates.io crate keybase-protocol 0.2.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85dfd53c47b140e91eb08e11b20bef9011b0e69582eeaba122df5c351445e23f
[INFO] running `Command { std: "docker" "start" "-a" "85dfd53c47b140e91eb08e11b20bef9011b0e69582eeaba122df5c351445e23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85dfd53c47b140e91eb08e11b20bef9011b0e69582eeaba122df5c351445e23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85dfd53c47b140e91eb08e11b20bef9011b0e69582eeaba122df5c351445e23f", kill_on_drop: false }`
[INFO] [stdout] 85dfd53c47b140e91eb08e11b20bef9011b0e69582eeaba122df5c351445e23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4cd2efc65257613fd04efdbd73c08b663e855df527fc2f258935f6401d8eff
[INFO] running `Command { std: "docker" "start" "-a" "7a4cd2efc65257613fd04efdbd73c08b663e855df527fc2f258935f6401d8eff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling avdl-serde-code-generator v0.2.0
[INFO] [stderr]    Compiling keybase-protocol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `keybase-protocol v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/keybase-protocol-7ed1f1bd9dc8246a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=keybase-protocol/
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:98:66
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55cdfa4de0dc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55cdfa4de0dc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cdfa4de0dc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55cdfa4de0dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55cdfa4f931c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55cdfa4db065 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55cdfa4df910 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55cdfa4df910 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55cdfa4df910 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55cdfa4df4bb - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55cdfa4dffc4 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55cdfa4dfaa0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x55cdfa4de594 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55cdfa4dfa09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55cdfa28c411 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55cdfa28c4a3 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x55cdfa29f9f8 - core::result::Result<T,E>::unwrap::hfdc4b221a6e10caf
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/result.rs:1295:23
[INFO] [stderr]     17:     0x55cdfa29b873 - build_script_build::main::h3c052313c0fab002
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:98:3
[INFO] [stderr]     18:     0x55cdfa2a45fb - core::ops::function::FnOnce::call_once::hb9a7590f29fdb5df
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55cdfa2a3f5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h561b698eec55642c
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x55cdfa2a3ff1 - std::rt::lang_start::{{closure}}::h49224f683ca3d2b4
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x55cdfa4dd921 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55cdfa4dd921 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x55cdfa4dd921 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x55cdfa4dd921 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x55cdfa4dd921 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x55cdfa4dd921 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x55cdfa4dd921 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x55cdfa4dd921 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x55cdfa4dd921 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x55cdfa2a3fc0 - std::rt::lang_start::hf687088f33b8779f
[INFO] [stderr]                                  at /rustc/936f2600b6c903b04387f74ed5cbce88bb06d243/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x55cdfa29c0ac - main
[INFO] [stderr]     32:     0x7f27bb1e70b3 - __libc_start_main
[INFO] [stderr]     33:     0x55cdfa28cb4e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a4cd2efc65257613fd04efdbd73c08b663e855df527fc2f258935f6401d8eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4cd2efc65257613fd04efdbd73c08b663e855df527fc2f258935f6401d8eff", kill_on_drop: false }`
[INFO] [stdout] 7a4cd2efc65257613fd04efdbd73c08b663e855df527fc2f258935f6401d8eff