[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 try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDizans%2Fmapreduce-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dizans/mapreduce-rust on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa23129a73019e78153be5e6621b7e864aba4fc0dbec4bc50c0b59db3d27666e
[INFO] running `Command { std: "docker" "start" "-a" "aa23129a73019e78153be5e6621b7e864aba4fc0dbec4bc50c0b59db3d27666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa23129a73019e78153be5e6621b7e864aba4fc0dbec4bc50c0b59db3d27666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa23129a73019e78153be5e6621b7e864aba4fc0dbec4bc50c0b59db3d27666e", kill_on_drop: false }`
[INFO] [stdout] aa23129a73019e78153be5e6621b7e864aba4fc0dbec4bc50c0b59db3d27666e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673d53cb9af8b5e2b3e20641d9c6892b5233f5e73a756dbabf041ea987f65c1c
[INFO] running `Command { std: "docker" "start" "-a" "673d53cb9af8b5e2b3e20641d9c6892b5233f5e73a756dbabf041ea987f65c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking httparse v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[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 http-body v0.3.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[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]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.0
[INFO] [stderr]     Checking tower-load-shed 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-make v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tower-retry 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]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling mr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.2
[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 '73ffebff6f34db7eb167bf9edcf2afa19c3073e9'.\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' (1627) 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:     0x596f5a53fef2 - std::backtrace_rs::backtrace::libunwind::trace::h419e2d151404d994
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x596f5a53fef2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc6df119ae56e3e05
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x596f5a53fef2 - std::sys::backtrace::_print_fmt::hc93e7e0d9ffc580d
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x596f5a53fef2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hf538a4a69e56e5b3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x596f5a5501bf - core::fmt::rt::Argument::fmt::hadad98c229eeaca3
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x596f5a5501bf - core::fmt::write::he0b569595d6a8874
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x596f5a5138b3 - std::io::default_write_fmt::h51a1edf25cfff91f
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x596f5a5138b3 - std::io::Write::write_fmt::h89adc1fb82053c1c
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x596f5a51e222 - std::sys::backtrace::BacktraceLock::print::h3d8d758c622454ff
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x596f5a52055f - std::panicking::default_hook::{{closure}}::h8f37910ac3618cfe
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x596f5a5203b9 - std::panicking::default_hook::h6ab40db5b9f9d884
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x596f5a520c1f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h76892d3c4093ee8e
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/alloc/src/boxed.rs:2018:9
[INFO] [stderr]     12:     0x596f5a520c1f - std::panicking::panic_with_hook::h9ad0052a5ac94fe9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:842:13
[INFO] [stderr]     13:     0x596f5a520996 - std::panicking::panic_handler::{{closure}}::h3e115f82c57850dd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:700:13
[INFO] [stderr]     14:     0x596f5a51e359 - std::sys::backtrace::__rust_end_short_backtrace::ha96f46064f5690bd
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     15:     0x596f5a50740d - __rustc[22086964fa594ecd]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:698:5
[INFO] [stderr]     16:     0x596f5a5540f0 - core::panicking::panic_fmt::hbccd72162a725cfb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/panicking.rs:80:14
[INFO] [stderr]     17:     0x596f5a5540cc - core::panicking::panic::h42b4bc9f4b0ac36e
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/panicking.rs:150:5
[INFO] [stderr]     18:     0x596f5a360f59 - tonic_build::fmt::he524eb79ab71ab09
[INFO] [stderr]     19:     0x596f5a33b8de - tonic_build::Builder::compile::h97585d0638b2b59c
[INFO] [stderr]     20:     0x596f5a33b1cc - tonic_build::compile_protos::hd7c0bc370edb66c6
[INFO] [stderr]     21:     0x596f5a33ba55 - build_script_build::main::hf7cea4855aafcb2c
[INFO] [stderr]     22:     0x596f5a33bf33 - core::ops::function::FnOnce::call_once::hd27a3a391c623641
[INFO] [stderr]     23:     0x596f5a3461c6 - std::sys::backtrace::__rust_begin_short_backtrace::h767f6a179abe6f06
[INFO] [stderr]     24:     0x596f5a346079 - std::rt::lang_start::{{closure}}::h70f798b47db0c394
[INFO] [stderr]     25:     0x596f5a5152d0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfb2a30f5c9548e46
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     26:     0x596f5a5152d0 - std::panicking::catch_unwind::do_call::ha3fa8fc849abc52a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x596f5a5152d0 - std::panicking::catch_unwind::h631637ba53f82bbb
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x596f5a5152d0 - std::panic::catch_unwind::hbd544b3a9f21a796
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x596f5a5152d0 - std::rt::lang_start_internal::{{closure}}::h6af9b68612589dd0
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:175:24
[INFO] [stderr]     30:     0x596f5a5152d0 - std::panicking::catch_unwind::do_call::h9927bee30e054b3a
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:590:40
[INFO] [stderr]     31:     0x596f5a5152d0 - std::panicking::catch_unwind::h2fb385f94fe54a36
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panicking.rs:553:19
[INFO] [stderr]     32:     0x596f5a5152d0 - std::panic::catch_unwind::hf99d356e6efbd4e9
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/panic.rs:359:14
[INFO] [stderr]     33:     0x596f5a5152d0 - std::rt::lang_start_internal::h832c676035cfd9ad
[INFO] [stderr]                                  at /rustc/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/library/std/src/rt.rs:171:5
[INFO] [stderr]     34:     0x596f5a346061 - std::rt::lang_start::h080f399074c9d2fa
[INFO] [stderr]     35:     0x596f5a3407c5 - main
[INFO] [stderr]     36:     0x7e79687611ca - <unknown>
[INFO] [stderr]     37:     0x7e796876128b - __libc_start_main
[INFO] [stderr]     38:     0x596f5a339525 - _start
[INFO] [stderr]     39:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "673d53cb9af8b5e2b3e20641d9c6892b5233f5e73a756dbabf041ea987f65c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673d53cb9af8b5e2b3e20641d9c6892b5233f5e73a756dbabf041ea987f65c1c", kill_on_drop: false }`
[INFO] [stdout] 673d53cb9af8b5e2b3e20641d9c6892b5233f5e73a756dbabf041ea987f65c1c
