[INFO] cloning repository https://github.com/Dizans/mapreduce-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dizans/mapreduce-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eda0196847757393e4b8b23642aafe1ef62de77
[INFO] testing Dizans/mapreduce-rust against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dizans/mapreduce-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Dizans/mapreduce-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e243feaeea0a8a0b1009e5783074f4a64ef39d94657d9abffcaeb68d768d2b9
[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" "1e243feaeea0a8a0b1009e5783074f4a64ef39d94657d9abffcaeb68d768d2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e243feaeea0a8a0b1009e5783074f4a64ef39d94657d9abffcaeb68d768d2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e243feaeea0a8a0b1009e5783074f4a64ef39d94657d9abffcaeb68d768d2b9", kill_on_drop: false }`
[INFO] [stdout] 1e243feaeea0a8a0b1009e5783074f4a64ef39d94657d9abffcaeb68d768d2b9
[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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79714f7a7c10a47874270cb9d4bd1e0688a2e00e84ec0fd7e1af464545ace795
[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" "79714f7a7c10a47874270cb9d4bd1e0688a2e00e84ec0fd7e1af464545ace795", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.2
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling untrusted v0.7.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.9
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling rustls v0.16.0
[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]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tokio v0.2.9
[INFO] [stderr]    Compiling tracing v0.1.12
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tower-util v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.1
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-limit v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.12.2
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling hyper v0.13.2
[INFO] [stderr]    Compiling mr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tonic v0.1.1
[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-d8f054423af33c66/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   out: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "error: 'rustfmt' is not installed for the toolchain '1.54.0-x86_64-unknown-linux-gnu'\nTo install, run `rustup component add rustfmt --toolchain 1.54.0-x86_64-unknown-linux-gnu`\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:     0x55f4cdec4120 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f4cdec4120 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f4cdec4120 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f4cdec4120 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f4cdee344c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55f4cdec1745 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55f4cdec660b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f4cdec660b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f4cdec660b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55f4cdec60e1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55f4cdec6cf9 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:626:17
[INFO] [stderr]     11:     0x55f4cdec6787 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55f4cdec461c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f4cdec6719 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55f4cdc0d861 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55f4cdc0d7ad - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55f4cdc47775 - tonic_build::fmt::h1d23f48de42b2a3b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:229:9
[INFO] [stderr]     17:     0x55f4cdc42d78 - tonic_build::Builder::compile::h2e9290db67eec43d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:172:17
[INFO] [stderr]     18:     0x55f4cdc423b5 - tonic_build::compile_protos::h4fc30b05c6655703
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.1/src/lib.rs:208:5
[INFO] [stderr]     19:     0x55f4cdc1e8a5 - build_script_build::main::h8e74d418b7561600
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2:5
[INFO] [stderr]     20:     0x55f4cdc1f6fb - core::ops::function::FnOnce::call_once::h1144d30f43991c41
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x55f4cdc19dae - std::sys_common::backtrace::__rust_begin_short_backtrace::hc1237918e10bf3cb
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x55f4cdc42e81 - std::rt::lang_start::{{closure}}::h26eaccacabbc117a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     23:     0x55f4cdec72d9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x55f4cdec72d9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     25:     0x55f4cdec72d9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     26:     0x55f4cdec72d9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     27:     0x55f4cdec72d9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     28:     0x55f4cdc42e60 - std::rt::lang_start::hef220b0d275fdb6c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     29:     0x55f4cdc1e8fc - main
[INFO] [stderr]     30:     0x7f5bfd7330b3 - __libc_start_main
[INFO] [stderr]     31:     0x55f4cdc0dffe - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "79714f7a7c10a47874270cb9d4bd1e0688a2e00e84ec0fd7e1af464545ace795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79714f7a7c10a47874270cb9d4bd1e0688a2e00e84ec0fd7e1af464545ace795", kill_on_drop: false }`
[INFO] [stdout] 79714f7a7c10a47874270cb9d4bd1e0688a2e00e84ec0fd7e1af464545ace795
