[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] checking Dizans/mapreduce-rust against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dizans/mapreduce-rust on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dizans/mapreduce-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887fd9a6a6e89c0c440b3504bb816021b64be9ca2b3aee75fc7653f6e5bd1a01
[INFO] running `Command { std: "docker" "start" "-a" "887fd9a6a6e89c0c440b3504bb816021b64be9ca2b3aee75fc7653f6e5bd1a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887fd9a6a6e89c0c440b3504bb816021b64be9ca2b3aee75fc7653f6e5bd1a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887fd9a6a6e89c0c440b3504bb816021b64be9ca2b3aee75fc7653f6e5bd1a01", kill_on_drop: false }`
[INFO] [stdout] 887fd9a6a6e89c0c440b3504bb816021b64be9ca2b3aee75fc7653f6e5bd1a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57265b9d0619081cf7025235aa7dfcc6c2ec064357e86801d6648ec43e43ac83
[INFO] running `Command { std: "docker" "start" "-a" "57265b9d0619081cf7025235aa7dfcc6c2ec064357e86801d6648ec43e43ac83", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking tower-service v0.3.0
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[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking futures v0.3.1
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[INFO] [stderr]     Checking 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]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tower-discover v0.3.0
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[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]     Checking tokio-util v0.2.0
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[INFO] [stderr]     Checking tower-retry v0.3.0
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[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]    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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mr-14cee5e4a5d7e6cd/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   out: Output { status: ExitStatus(unix_wait_status(256)), stdout: "", stderr: "error: 'rustfmt' is not installed for the custom toolchain 'f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b'.\nnote: this is a custom toolchain, which cannot use `rustup component add`\nhelp: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`\n" }
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1276) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tonic-build-0.1.1/src/lib.rs:229:9:
[INFO] [stderr]   assertion failed: out.status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b6b8e18722 - std::backtrace_rs::backtrace::libunwind::trace::hf8c8bace9f876b2f
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55b6b8e18722 - std::backtrace_rs::backtrace::trace_unsynchronized::h8e01642c3e7b2e43
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55b6b8e18722 - std::sys::backtrace::_print_fmt::h77160e868f55b489
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x55b6b8e18722 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h86816ab5bed03abd
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x55b6b8e289ff - core::fmt::rt::Argument::fmt::h7537687515eb9d20
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x55b6b8e289ff - core::fmt::write::h514dae0dfa4deb62
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x55b6b8dec123 - std::io::default_write_fmt::he54a134961fc9925
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55b6b8dec123 - std::io::Write::write_fmt::h251346ee5c06db9e
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x55b6b8df6ab2 - std::sys::backtrace::BacktraceLock::print::h8f0fd6e76f7a78f6
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x55b6b8df8def - std::panicking::default_hook::{{closure}}::hd4616c16f9170728
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x55b6b8df8c49 - std::panicking::default_hook::hf57a825abaeaf8f2
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x55b6b8df94af - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h62e90e9780b89ea3
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]     12:     0x55b6b8df94af - std::panicking::panic_with_hook::h2106eda2577ac1d1
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:842:13
[INFO] [stderr]     13:     0x55b6b8df9226 - std::panicking::panic_handler::{{closure}}::h31145d8ce6be191b
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:700:13
[INFO] [stderr]     14:     0x55b6b8df6bf9 - std::sys::backtrace::__rust_end_short_backtrace::hfe6436ea26285ee7
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     15:     0x55b6b8ddfc7d - __rustc[b7055cc68e17015c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:698:5
[INFO] [stderr]     16:     0x55b6b8e2c930 - core::panicking::panic_fmt::h7c9830ee7d78611e
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/core/src/panicking.rs:80:14
[INFO] [stderr]     17:     0x55b6b8e2c90c - core::panicking::panic::hb5d2eb470e0cc7be
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/core/src/panicking.rs:150:5
[INFO] [stderr]     18:     0x55b6b8c39d89 - tonic_build::fmt::hf7773f37458f4aad
[INFO] [stderr]     19:     0x55b6b8c146be - tonic_build::Builder::compile::h0fb40e760b2e1702
[INFO] [stderr]     20:     0x55b6b8c13fac - tonic_build::compile_protos::h860436aab24aae7d
[INFO] [stderr]     21:     0x55b6b8c1e845 - build_script_build::main::h9dd67c0afdc7b9e6
[INFO] [stderr]     22:     0x55b6b8c14cb3 - core::ops::function::FnOnce::call_once::h58c93ba8dbeb8f30
[INFO] [stderr]     23:     0x55b6b8c14b36 - std::sys::backtrace::__rust_begin_short_backtrace::hcd35c966fb1b10ce
[INFO] [stderr]     24:     0x55b6b8c1e909 - std::rt::lang_start::{{closure}}::h03444afd64166069
[INFO] [stderr]     25:     0x55b6b8dedb20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6f37eb5295dd5be
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     26:     0x55b6b8dedb20 - std::panicking::catch_unwind::do_call::h3815aed4c6b7b95d
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x55b6b8dedb20 - std::panicking::catch_unwind::h85465135f484172f
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x55b6b8dedb20 - std::panic::catch_unwind::hf2aa9366fc13ac15
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x55b6b8dedb20 - std::rt::lang_start_internal::{{closure}}::hbfe27d8fd739a4f8
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/rt.rs:175:24
[INFO] [stderr]     30:     0x55b6b8dedb20 - std::panicking::catch_unwind::do_call::hccfb13b3b7b74f6f
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:590:40
[INFO] [stderr]     31:     0x55b6b8dedb20 - std::panicking::catch_unwind::hae657d0473b4e58d
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panicking.rs:553:19
[INFO] [stderr]     32:     0x55b6b8dedb20 - std::panic::catch_unwind::h7f34feed7ea39f44
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/panic.rs:359:14
[INFO] [stderr]     33:     0x55b6b8dedb20 - std::rt::lang_start_internal::h73d296ed2be53c98
[INFO] [stderr]                                  at /rustc/f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b/library/std/src/rt.rs:171:5
[INFO] [stderr]     34:     0x55b6b8c1e8f1 - std::rt::lang_start::h24685d41aa19c44a
[INFO] [stderr]     35:     0x55b6b8c29f05 - main
[INFO] [stderr]     36:     0x75293ceec1ca - <unknown>
[INFO] [stderr]     37:     0x75293ceec28b - __libc_start_main
[INFO] [stderr]     38:     0x55b6b8c12355 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57265b9d0619081cf7025235aa7dfcc6c2ec064357e86801d6648ec43e43ac83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57265b9d0619081cf7025235aa7dfcc6c2ec064357e86801d6648ec43e43ac83", kill_on_drop: false }`
[INFO] [stdout] 57265b9d0619081cf7025235aa7dfcc6c2ec064357e86801d6648ec43e43ac83
