[INFO] updating cached repository https://github.com/Dizans/mapreduce-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5eda0196847757393e4b8b23642aafe1ef62de77
[INFO] checking Dizans/mapreduce-rust against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dizans/mapreduce-rust on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dizans/mapreduce-rust
[INFO] finished tweaking git repo https://github.com/Dizans/mapreduce-rust
[INFO] tweaked toml for git repo https://github.com/Dizans/mapreduce-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Dizans/mapreduce-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 922efe71da48e3d57dad2272083a0752c038426bb618671c1da2a315a8f9a0dc
[INFO] running `"docker" "start" "-a" "922efe71da48e3d57dad2272083a0752c038426bb618671c1da2a315a8f9a0dc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]    Compiling mr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mr v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mr-476b706141685137/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] out: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "error: \'rustfmt\' is not installed for the toolchain \'6d69caba110c0c2fb90180df1cbc8be5033b91d4\'\nTo install, run `rustup component add rustfmt --toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4`\n" }
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'assertion failed: out.status.success()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:229:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559bdef3b474 - backtrace::backtrace::libunwind::trace::he807ad0519c11e8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x559bdef3b474 - backtrace::backtrace::trace_unsynchronized::h85bf5ebf53f3e79a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559bdef3b474 - std::sys_common::backtrace::_print_fmt::h3298485d15f6bf8f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x559bdef3b474 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c1cc352997356e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x559bdef5bb9c - core::fmt::write::h32cac060b41ae4df
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x559bdef38247 - std::io::Write::write_fmt::h4b92e010fec92190
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x559bdef3e0a5 - std::sys_common::backtrace::_print::h38b83ef3372fad71
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x559bdef3e0a5 - std::sys_common::backtrace::print::hcb4a0f695e1ec3b7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x559bdef3e0a5 - std::panicking::default_hook::{{closure}}::h2e8f9cd7d4cd4692
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x559bdef3dde7 - std::panicking::default_hook::h1e9aeac01791e6cc
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x559bdef3e785 - std::panicking::rust_panic_with_hook::h651549a5859dff90
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]   11:     0x559bdeec1e91 - std::panicking::begin_panic::h6efe691ef0028837
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/panicking.rs:397
[INFO] [stderr]   12:     0x559bdec5769e - tonic_build::fmt::h1aea64a3e04a07be
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:229
[INFO] [stderr]   13:     0x559bdec27d04 - tonic_build::Builder::compile::h4fb1f125c2ba6804
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:172
[INFO] [stderr]   14:     0x559bdec2747f - tonic_build::compile_protos::h815ea2881d47af62
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:208
[INFO] [stderr]   15:     0x559bdec2721d - build_script_build::main::h416542427817a3c9
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:2
[INFO] [stderr]   16:     0x559bdec27ebb - std::rt::lang_start::{{closure}}::he1e2eef60b6f6bdf
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x559bdef3e1c3 - std::rt::lang_start_internal::{{closure}}::h471f8ba71a80c8e3
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x559bdef3e1c3 - std::panicking::try::do_call::hd059bb209a35d92f
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x559bdef45e57 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x559bdef3ec29 - std::panicking::try::h2452c1b92d9235ae
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x559bdef3ec29 - std::panic::catch_unwind::h3d5a9024a61f002e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x559bdef3ec29 - std::rt::lang_start_internal::hd388fc716683de35
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x559bdec27e97 - std::rt::lang_start::h31168316576e5cab
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x559bdec2726a - main
[INFO] [stderr]   25:     0x7f3545cab0b3 - __libc_start_main
[INFO] [stderr]   26:     0x559bdec0a1ae - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "922efe71da48e3d57dad2272083a0752c038426bb618671c1da2a315a8f9a0dc"`
[INFO] running `"docker" "rm" "-f" "922efe71da48e3d57dad2272083a0752c038426bb618671c1da2a315a8f9a0dc"`
[INFO] [stdout] 922efe71da48e3d57dad2272083a0752c038426bb618671c1da2a315a8f9a0dc