[INFO] fetching crate keybase-protocol 0.2.0...
[INFO] checking keybase-protocol-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate keybase-protocol 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate keybase-protocol 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9aa57ae3c8d95f84e12a8241b610a64903624d725a38824fb31233b7b4aa3f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9aa57ae3c8d95f84e12a8241b610a64903624d725a38824fb31233b7b4aa3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9aa57ae3c8d95f84e12a8241b610a64903624d725a38824fb31233b7b4aa3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9aa57ae3c8d95f84e12a8241b610a64903624d725a38824fb31233b7b4aa3f9", kill_on_drop: false }`
[INFO] [stdout] e9aa57ae3c8d95f84e12a8241b610a64903624d725a38824fb31233b7b4aa3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd8ee2b28858df56200e5827de350a12c64015e7beb9902ffb3fb999b2b4e4d8
[INFO] running `Command { std: "docker" "start" "-a" "fd8ee2b28858df56200e5827de350a12c64015e7beb9902ffb3fb999b2b4e4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling pest_meta v2.1.3
[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-eeddecfa25862915/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:     0x55f818d5d7b0 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f818d5d7b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f818d5d7b0 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f818d5d7b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f818d787ec - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55f818d5b0e5 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x55f818d5f64b - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f818d5f64b - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f818d5f64b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55f818d5f121 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55f818d5fd14 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55f818d5f7f7 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55f818d5dcac - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f818d5f759 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55f818b0c571 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55f818b0c603 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/result.rs:1599:5
[INFO] [stderr]     16:     0x55f818b20969 - core::result::Result<T,E>::unwrap::hf46d0e874eaa26e7
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/result.rs:1281:23
[INFO] [stderr]     17:     0x55f818b1c459 - build_script_build::main::h65becca18e4fe893
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:98:3
[INFO] [stderr]     18:     0x55f818b257ab - core::ops::function::FnOnce::call_once::h979fcf76a00d71c9
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55f818b2518e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha58a1863e2508c21
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55f818b25221 - std::rt::lang_start::{{closure}}::h9d5b24bc18efb5ba
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55f818d6021a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55f818d6021a - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55f818d6021a - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55f818d6021a - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x55f818d6021a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55f818d6021a - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x55f818d6021a - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x55f818d6021a - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x55f818d6021a - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55f818b251f0 - std::rt::lang_start::h98d2bb1073fb31f3
[INFO] [stderr]                                  at /rustc/3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55f818b1ccfc - main
[INFO] [stderr]     32:     0x7f92fb6d00b3 - __libc_start_main
[INFO] [stderr]     33:     0x55f818b0cd0e - _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" "fd8ee2b28858df56200e5827de350a12c64015e7beb9902ffb3fb999b2b4e4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8ee2b28858df56200e5827de350a12c64015e7beb9902ffb3fb999b2b4e4d8", kill_on_drop: false }`
[INFO] [stdout] fd8ee2b28858df56200e5827de350a12c64015e7beb9902ffb3fb999b2b4e4d8