[INFO] cloning repository https://github.com/timglabisch/raftimpl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timglabisch/raftimpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Fraftimpl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Fraftimpl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e67095d1754e200a99e15fb219816f892fdd814
[INFO] checking timglabisch/raftimpl against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimglabisch%2Fraftimpl" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timglabisch/raftimpl on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timglabisch/raftimpl
[INFO] finished tweaking git repo https://github.com/timglabisch/raftimpl
[INFO] tweaked toml for git repo https://github.com/timglabisch/raftimpl written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/timglabisch/raftimpl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1e56e2b8529b06532d99020d4d765df7345a895ae74969fdabf23588f03fa0a
[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" "f1e56e2b8529b06532d99020d4d765df7345a895ae74969fdabf23588f03fa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e56e2b8529b06532d99020d4d765df7345a895ae74969fdabf23588f03fa0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e56e2b8529b06532d99020d4d765df7345a895ae74969fdabf23588f03fa0a", kill_on_drop: false }`
[INFO] [stdout] f1e56e2b8529b06532d99020d4d765df7345a895ae74969fdabf23588f03fa0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f56084a50b7de6b2af35ec93b78079b98a04874344a3e84340ab87046c49eeb5
[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" "f56084a50b7de6b2af35ec93b78079b98a04874344a3e84340ab87046c49eeb5", kill_on_drop: false }`
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[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]     Checking raft v0.4.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling protobuf-codegen v2.3.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling protoc-rust v2.3.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]    Compiling raftimpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `raftimpl v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/raftimpl-08a008626bbdbada/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:15:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561478d5d030 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x561478d5d030 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x561478d5d030 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x561478d5d030 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x561478d8218c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x561478d5a262 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x561478d5f825 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561478d5f825 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561478d5f825 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561478d5f4c8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x561478d5ffc1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x561478d5fb07 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x561478d5d4cc - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561478d5fa69 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x561478d80061 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x561478d7fe83 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x561478ae743f - core::result::Result<T,E>::expect::h6f72b5f1945d9a6d
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x561478ae72b8 - build_script_build::main::hc810440b36c2dfa1
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x561478ae736b - core::ops::function::FnOnce::call_once::h8d6cacd7bca3d9b3
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x561478ae72fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hd32ec2c51dc56cc9
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x561478ae74e1 - std::rt::lang_start::{{closure}}::h773797c8687c938b
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x561478d603e7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x561478d603e7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x561478d603e7 - std::panicking::try::hcc68eba0f7d51b82
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x561478d603e7 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/panic.rs:382:14
[INFO] [stderr]     25:     0x561478d603e7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x561478ae74b7 - std::rt::lang_start::h799a99a721ff7b52
[INFO] [stderr]                                  at /rustc/1c5262aa6c045a581fb974488793f09ed51fc498/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x561478ae72ea - main
[INFO] [stderr]     28:     0x7feeaa1340b3 - __libc_start_main
[INFO] [stderr]     29:     0x561478ae70de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f56084a50b7de6b2af35ec93b78079b98a04874344a3e84340ab87046c49eeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56084a50b7de6b2af35ec93b78079b98a04874344a3e84340ab87046c49eeb5", kill_on_drop: false }`
[INFO] [stdout] f56084a50b7de6b2af35ec93b78079b98a04874344a3e84340ab87046c49eeb5