[INFO] cloning repository https://github.com/mkulke/kerfuffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkulke/kerfuffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fkerfuffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fkerfuffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a5c3a3ee4e6528fa0e421640d295ce04c3acd60
[INFO] testing mkulke/kerfuffle against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fkerfuffle" "/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/mkulke/kerfuffle on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkulke/kerfuffle
[INFO] finished tweaking git repo https://github.com/mkulke/kerfuffle
[INFO] tweaked toml for git repo https://github.com/mkulke/kerfuffle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mkulke/kerfuffle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e44f2934740bb2f89c92ebff4311c1013b4e34176683828e5c9b9620d6fe4914
[INFO] running `Command { std: "docker" "start" "-a" "e44f2934740bb2f89c92ebff4311c1013b4e34176683828e5c9b9620d6fe4914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44f2934740bb2f89c92ebff4311c1013b4e34176683828e5c9b9620d6fe4914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44f2934740bb2f89c92ebff4311c1013b4e34176683828e5c9b9620d6fe4914", kill_on_drop: false }`
[INFO] [stdout] e44f2934740bb2f89c92ebff4311c1013b4e34176683828e5c9b9620d6fe4914
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4904f26ab6bab7ed3132ace9e1ccbacc691e847882d927d6b8c5f9a767095d04
[INFO] running `Command { std: "docker" "start" "-a" "4904f26ab6bab7ed3132ace9e1ccbacc691e847882d927d6b8c5f9a767095d04", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.13
[INFO] [stderr]    Compiling enum_extract v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tonic-build v0.1.0-beta.1
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling async-trait v0.1.15
[INFO] [stderr]    Compiling async-stream-impl v0.1.1
[INFO] [stderr]    Compiling kerf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v0.2.6
[INFO] [stderr]    Compiling async-stream v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling async-stream v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.9
[INFO] [stderr]    Compiling pin-project v0.4.3
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr] error: failed to run custom build command for `kerf v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kerf-c8c3157180ff16d4/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 toolchain 'beta-2022-04-10-x86_64-unknown-linux-gnu'\nTo install, run `rustup component add rustfmt --toolchain beta-2022-04-10-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-0.1.0-beta.1/src/lib.rs:214:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5593383b476d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5593383b476d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5593383b476d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5593383b476d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h26f189e611080a74
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5593383d3dac - core::fmt::write::hfb5d11dfe037e8b7
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x5593383b19d1 - std::io::Write::write_fmt::ha30651f608022a46
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x5593383b6205 - std::sys_common::backtrace::_print::h7a0e44402913ba60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5593383b6205 - std::sys_common::backtrace::print::h9767dc455a84e728
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5593383b6205 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5593383b5eb9 - std::panicking::default_hook::ha7b9bac6813f9d21
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5593383b6800 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:702:17
[INFO] [stderr]     11:     0x5593383b65f9 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x5593383b4c24 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5593383b6369 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x559338116a83 - core::panicking::panic_fmt::h5c41cb2fa118fdbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x55933811694d - core::panicking::panic::h19a70c01bbabd538
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x559338148d51 - tonic_build::fmt::h0472f659feb4555a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:214:9
[INFO] [stderr]     17:     0x55933812910e - tonic_build::Builder::compile::h934b3fb1a3841f82
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:158:17
[INFO] [stderr]     18:     0x559338128a2a - tonic_build::compile_protos::h8b234a2063c02386
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:193:5
[INFO] [stderr]     19:     0x559338145a02 - build_script_build::main::h5b81bb418186ac30
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2:5
[INFO] [stderr]     20:     0x5593381249fb - core::ops::function::FnOnce::call_once::h16c358f1fe213889
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x55933814306e - std::sys_common::backtrace::__rust_begin_short_backtrace::h36ceeda3a6cc28b1
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x559338125df1 - std::rt::lang_start::{{closure}}::h4a96d6d4972b8cac
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:145:18
[INFO] [stderr]     23:     0x5593383ad7be - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hae31cd38f966dcbc
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x5593383ad7be - std::panicking::try::do_call::h4a4c12a32b804624
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x5593383ad7be - std::panicking::try::h87f80f5db1929b60
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x5593383ad7be - std::panic::catch_unwind::hbc53afd5a2bdc195
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x5593383ad7be - std::rt::lang_start_internal::{{closure}}::h2e62ddd08385fac8
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:48
[INFO] [stderr]     28:     0x5593383ad7be - std::panicking::try::do_call::h04b85b79b362213e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x5593383ad7be - std::panicking::try::h428fba6a4941d8ed
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x5593383ad7be - std::panic::catch_unwind::hd73c90258412492e
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x5593383ad7be - std::rt::lang_start_internal::h26255896a96668b5
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:128:20
[INFO] [stderr]     32:     0x559338125dc0 - std::rt::lang_start::h3338f71d4f9b7e58
[INFO] [stderr]                                  at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/rt.rs:144:17
[INFO] [stderr]     33:     0x559338145a3c - main
[INFO] [stderr]     34:     0x7f2dc00a20b3 - __libc_start_main
[INFO] [stderr]     35:     0x559338116d1e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4904f26ab6bab7ed3132ace9e1ccbacc691e847882d927d6b8c5f9a767095d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4904f26ab6bab7ed3132ace9e1ccbacc691e847882d927d6b8c5f9a767095d04", kill_on_drop: false }`
[INFO] [stdout] 4904f26ab6bab7ed3132ace9e1ccbacc691e847882d927d6b8c5f9a767095d04