[INFO] fetching crate keybase-bot-api 0.4.1...
[INFO] checking keybase-bot-api-0.4.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate keybase-bot-api 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate keybase-bot-api 0.4.1 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keybase-bot-api 0.4.1
[INFO] finished tweaking crates.io crate keybase-bot-api 0.4.1
[INFO] tweaked toml for crates.io crate keybase-bot-api 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", 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] 0d3a73c0425dfcddba07641c77ad5ed374f3ad123d1a58ba33cb88d184ef8d78
[INFO] running `Command { std: "docker" "start" "-a" "0d3a73c0425dfcddba07641c77ad5ed374f3ad123d1a58ba33cb88d184ef8d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3a73c0425dfcddba07641c77ad5ed374f3ad123d1a58ba33cb88d184ef8d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3a73c0425dfcddba07641c77ad5ed374f3ad123d1a58ba33cb88d184ef8d78", kill_on_drop: false }`
[INFO] [stdout] 0d3a73c0425dfcddba07641c77ad5ed374f3ad123d1a58ba33cb88d184ef8d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a95b1ecec55999bf627a49ff07d10c61fde6d6062e25556d436623c10dbcef3
[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" "4a95b1ecec55999bf627a49ff07d10c61fde6d6062e25556d436623c10dbcef3", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling avdl-serde-code-generator v0.1.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling keybase-protocol v0.1.1
[INFO] [stderr] error: failed to run custom build command for `keybase-protocol v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/keybase-protocol-dbe54e12910a9d60/build-script-build` (exit code: 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: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keybase-protocol-0.1.1/build.rs:76:66
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5622ba7a0cc0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5622ba7a0cc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5622ba7a0cc0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5622ba7a0cc0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5622ba7b836f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x5622ba79e8c2 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x5622ba7a2aa5 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5622ba7a2aa5 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5622ba7a2aa5 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5622ba7a2553 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5622ba7a30ad - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5622ba7a2c47 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5622ba7a117c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5622ba7a2ba9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5622ba55c6b1 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5622ba55c5a3 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x5622ba56fe30 - core::result::Result<T,E>::unwrap::h99c34179d4c4df3a
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x5622ba5755a9 - build_script_build::main::hc2ec328cc884d200
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keybase-protocol-0.1.1/build.rs:76:3
[INFO] [stderr]     18:     0x5622ba57ba8b - core::ops::function::FnOnce::call_once::h214185b9d7bc38e6
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5622ba57d62e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha42b5de5adde02b7
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5622ba571651 - std::rt::lang_start::{{closure}}::h2d9a87f34cc6293a
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x5622ba7a34aa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5622ba7a34aa - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x5622ba7a34aa - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x5622ba7a34aa - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x5622ba7a34aa - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x5622ba571630 - std::rt::lang_start::h78f5139463980e62
[INFO] [stderr]                                  at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x5622ba575d4c - main
[INFO] [stderr]     28:     0x7fe5f8f270b3 - __libc_start_main
[INFO] [stderr]     29:     0x5622ba55cd5e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4a95b1ecec55999bf627a49ff07d10c61fde6d6062e25556d436623c10dbcef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a95b1ecec55999bf627a49ff07d10c61fde6d6062e25556d436623c10dbcef3", kill_on_drop: false }`
[INFO] [stdout] 4a95b1ecec55999bf627a49ff07d10c61fde6d6062e25556d436623c10dbcef3