[INFO] fetching crate keybase-protocol 0.2.0...
[INFO] building keybase-protocol-0.2.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate keybase-protocol 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate keybase-protocol 0.2.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded avdl-serde-code-generator v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619ae961fc9eac19171ef4080ecafa09ca45b1dfc87c22b1859824c6a8414a10
[INFO] running `Command { std: "docker" "start" "-a" "619ae961fc9eac19171ef4080ecafa09ca45b1dfc87c22b1859824c6a8414a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619ae961fc9eac19171ef4080ecafa09ca45b1dfc87c22b1859824c6a8414a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619ae961fc9eac19171ef4080ecafa09ca45b1dfc87c22b1859824c6a8414a10", kill_on_drop: false }`
[INFO] [stdout] 619ae961fc9eac19171ef4080ecafa09ca45b1dfc87c22b1859824c6a8414a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 343ee9be832877a1de3c0d90abdc6a359648e3c25ef96f77c3a37c9548f7fcaa
[INFO] running `Command { std: "docker" "start" "-a" "343ee9be832877a1de3c0d90abdc6a359648e3c25ef96f77c3a37c9548f7fcaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling regex v1.5.4
[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-e0dbfd22ad6432da/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:     0x55d8c712fb20 - std::backtrace_rs::backtrace::libunwind::trace::h0197874f43e7190f
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55d8c712fb20 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdfd566bbbda6f2d
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d8c712fb20 - std::sys_common::backtrace::_print_fmt::hb3b4707c15b032a1
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d8c712fb20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::had1dceac8b072f88
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d8c714a7cc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/fmt/mod.rs:1117:17
[INFO] [stderr]      5:     0x55d8c712d4a5 - std::io::Write::write_fmt::h05c3bb2bc83b8ed0
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55d8c713149b - std::sys_common::backtrace::_print::h10f0826b2a586b58
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d8c713149b - std::sys_common::backtrace::print::h0d4242fbd1ac3eb6
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d8c713149b - std::panicking::default_hook::{{closure}}::h275ead39fe8b8e2a
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55d8c713102b - std::panicking::default_hook::h5505d4d90f5984d9
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55d8c7131b64 - std::panicking::rust_panic_with_hook::h2f8980d1d9fd4ca0
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55d8c7131640 - std::panicking::begin_panic_handler::{{closure}}::hd87853ef7e40ae97
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55d8c7130024 - std::sys_common::backtrace::__rust_end_short_backtrace::hcab167aa940694a2
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d8c71315a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55d8c6ee3531 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/panicking.rs:93:14
[INFO] [stderr]     15:     0x55d8c6ee35c3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55d8c6ef7228 - core::result::Result<T,E>::unwrap::hbf89064314167c48
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/result.rs:1299:23
[INFO] [stderr]     17:     0x55d8c6ef2eb3 - build_script_build::main::heaaca90908606a04
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:98:3
[INFO] [stderr]     18:     0x55d8c6efbedb - core::ops::function::FnOnce::call_once::h23f75d9002a61ebd
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55d8c6efb89e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9f0ec72413e1d32a
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55d8c6efb931 - std::rt::lang_start::{{closure}}::hb212672fc5f91d15
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55d8c713206a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e3bbb97afe2bb03
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55d8c713206a - std::panicking::try::do_call::h48c2d717cec4bdcb
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x55d8c713206a - std::panicking::try::h2a49bc215893bc14
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x55d8c713206a - std::panic::catch_unwind::h6d23b7c99550c7ff
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x55d8c713206a - std::rt::lang_start_internal::{{closure}}::h251a0c0729f15896
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55d8c713206a - std::panicking::try::do_call::h4830e784a9b9d1ad
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x55d8c713206a - std::panicking::try::h0427859d2ad3b3b9
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x55d8c713206a - std::panic::catch_unwind::h4079bfb63395be0f
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x55d8c713206a - std::rt::lang_start_internal::h408e9d26a25a1f08
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55d8c6efb900 - std::rt::lang_start::h076fe432da2e34aa
[INFO] [stderr]                                  at /rustc/d5c88c22807925c189328ef9d923c5d2b11a95b8/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55d8c6ef36dc - main
[INFO] [stderr]     32:     0x7fcf2f4520b3 - __libc_start_main
[INFO] [stderr]     33:     0x55d8c6ee3cce - _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" "343ee9be832877a1de3c0d90abdc6a359648e3c25ef96f77c3a37c9548f7fcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343ee9be832877a1de3c0d90abdc6a359648e3c25ef96f77c3a37c9548f7fcaa", kill_on_drop: false }`
[INFO] [stdout] 343ee9be832877a1de3c0d90abdc6a359648e3c25ef96f77c3a37c9548f7fcaa