[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] documenting mkulke/kerfuffle against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkulke%2Fkerfuffle" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkulke/kerfuffle on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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-2020-10-09" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded anyhow v1.0.13
[INFO] [stderr]   Downloaded tower v0.3.0
[INFO] [stderr]   Downloaded tower-util v0.3.0
[INFO] [stderr]   Downloaded tower-ready-cache v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.2.0
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded enum_extract v0.1.1
[INFO] [stderr]   Downloaded tower-limit v0.3.0
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded async-stream v0.1.2
[INFO] [stderr]   Downloaded tracing-futures v0.2.0
[INFO] [stderr]   Downloaded tonic-build v0.1.0-beta.1
[INFO] [stderr]   Downloaded pin-project v0.4.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.3
[INFO] [stderr]   Downloaded async-stream-impl v0.2.0
[INFO] [stderr]   Downloaded async-stream-impl v0.1.1
[INFO] [stderr]   Downloaded tonic v0.1.0-beta.1
[INFO] [stderr]   Downloaded async-trait v0.1.15
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a67bd8706b60c801611d120574d88b938b2134dfaf0f3775ec07df6c5cb23d67
[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" "a67bd8706b60c801611d120574d88b938b2134dfaf0f3775ec07df6c5cb23d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a67bd8706b60c801611d120574d88b938b2134dfaf0f3775ec07df6c5cb23d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67bd8706b60c801611d120574d88b938b2134dfaf0f3775ec07df6c5cb23d67", kill_on_drop: false }`
[INFO] [stdout] a67bd8706b60c801611d120574d88b938b2134dfaf0f3775ec07df6c5cb23d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2bcbfd2f7314204655602c54ae0d83da98b52ef84f3cfa666f45c73ade552ff
[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" "f2bcbfd2f7314204655602c54ae0d83da98b52ef84f3cfa666f45c73ade552ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling anyhow v1.0.13
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking enum_extract v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking tracing-core v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.3
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.15
[INFO] [stderr]    Compiling async-stream-impl v0.1.1
[INFO] [stderr]    Compiling tonic-build v0.1.0-beta.1
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling kerf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking async-stream v0.2.0
[INFO] [stderr]     Checking async-stream v0.1.2
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking pin-project v0.4.3
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.0
[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-d82e294fec94fc66/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 \'beta-2020-10-09-x86_64-unknown-linux-gnu\'\nTo install, run `rustup component add rustfmt --toolchain beta-2020-10-09-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:     0x55fea6df85e0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55fea6df85e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55fea6df85e0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55fea6df85e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55fea6e1755c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55fea6df53f2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x55fea6dfadbd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55fea6dfadbd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55fea6dfadbd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55fea6dfaa68 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55fea6dfb4c6 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:581
[INFO] [stderr]     11:     0x55fea6d9a85c - std::panicking::begin_panic::{{closure}}::h9d6a2efeaae6817d
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x55fea6d9a529 - std::sys_common::backtrace::__rust_end_short_backtrace::h5b5435ff8c64ab1d
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55fea6d9a787 - std::panicking::begin_panic::h354c110fe678ad34
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x55fea6b3830d - tonic_build::fmt::h509641845da9790a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:214
[INFO] [stderr]     15:     0x55fea6b18a16 - tonic_build::Builder::compile::h427491ea5f14e1c0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:158
[INFO] [stderr]     16:     0x55fea6b181eb - tonic_build::compile_protos::hc74c17b2d8f67eb3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0-beta.1/src/lib.rs:193
[INFO] [stderr]     17:     0x55fea6b1a335 - build_script_build::main::h980743cf120de6bf
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2
[INFO] [stderr]     18:     0x55fea6b3069b - core::ops::function::FnOnce::call_once::h15c6cce30c188077
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x55fea6b1971e - std::sys_common::backtrace::__rust_begin_short_backtrace::h149292cb1b6c9759
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x55fea6b15031 - std::rt::lang_start::{{closure}}::h8a4b282dbcd5108b
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x55fea6dfb9b7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x55fea6dfb9b7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x55fea6dfb9b7 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x55fea6dfb9b7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x55fea6dfb9b7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x55fea6b15007 - std::rt::lang_start::hf7c3c52b49a16ae6
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x55fea6b1a39a - main
[INFO] [stderr]     28:     0x7f3b394eb0b3 - __libc_start_main
[INFO] [stderr]     29:     0x55fea6afe0de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f2bcbfd2f7314204655602c54ae0d83da98b52ef84f3cfa666f45c73ade552ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bcbfd2f7314204655602c54ae0d83da98b52ef84f3cfa666f45c73ade552ff", kill_on_drop: false }`
[INFO] [stdout] f2bcbfd2f7314204655602c54ae0d83da98b52ef84f3cfa666f45c73ade552ff
