[INFO] cloning repository https://github.com/hicqu/tonic-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hicqu/tonic-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftonic-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftonic-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87d48adeb7b2db84b32b0c73455ad3dbe24f4670
[INFO] checking hicqu/tonic-learn against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhicqu%2Ftonic-learn" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hicqu/tonic-learn on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hicqu/tonic-learn
[INFO] finished tweaking git repo https://github.com/hicqu/tonic-learn
[INFO] tweaked toml for git repo https://github.com/hicqu/tonic-learn written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/hicqu/tonic-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dac5cc521b01353709602cff64953883ed275da8b6a2f2ff0a38aed719c074e
[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" "1dac5cc521b01353709602cff64953883ed275da8b6a2f2ff0a38aed719c074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dac5cc521b01353709602cff64953883ed275da8b6a2f2ff0a38aed719c074e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dac5cc521b01353709602cff64953883ed275da8b6a2f2ff0a38aed719c074e", kill_on_drop: false }`
[INFO] [stdout] 1dac5cc521b01353709602cff64953883ed275da8b6a2f2ff0a38aed719c074e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d294d8a8363f74d429d16a5e89971dad1d0c0c5598db0a43b460152ad6d955db
[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" "d294d8a8363f74d429d16a5e89971dad1d0c0c5598db0a43b460152ad6d955db", 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 bytes v0.5.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[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 time v0.1.42
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.6.0
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling prost-derive v0.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling async-stream-impl v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.22
[INFO] [stderr]     Checking async-stream v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tracing v0.1.11
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.0
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling prost v0.6.0
[INFO] [stderr]    Compiling prost-types v0.6.0
[INFO] [stderr]     Checking tower-ready-cache v0.3.0
[INFO] [stderr]     Checking tower-util v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.0
[INFO] [stderr]    Compiling tonic-build v0.1.0
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]    Compiling tonic-learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `tonic-learn v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tonic-learn-f0277f77d59554be/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 \'893fadd11a52aa26fc19c67ee1b79f03d6a1bed3\'\nTo install, run `rustup component add rustfmt --toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3`\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/src/lib.rs:230:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56308eb80520 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x56308eb80520 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56308eb80520 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x56308eb80520 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x56308eb9fe5c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x56308eb7d527 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x56308eb82da0 - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x56308eb82da0 - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x56308eb82da0 - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x56308eb82a58 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x56308eb83496 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:581
[INFO] [stderr]     11:     0x56308eb0bedc - std::panicking::begin_panic::{{closure}}::h030c4a481edef4fe
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x56308eb0c189 - std::sys_common::backtrace::__rust_end_short_backtrace::h26e1a85f7c211933
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x56308eb0be07 - std::panicking::begin_panic::hbb08dc711cb1d015
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x56308e8ae05d - tonic_build::fmt::h7fa613a207919af5
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0/src/lib.rs:230
[INFO] [stderr]     15:     0x56308e88582d - tonic_build::Builder::compile::h1fa16586660fe8db
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0/src/lib.rs:173
[INFO] [stderr]     16:     0x56308e88506f - tonic_build::compile_protos::h7996b0213802cdb9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tonic-build-0.1.0/src/lib.rs:209
[INFO] [stderr]     17:     0x56308e880b7d - build_script_build::main::h28d323c43c3e9bdb
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:2
[INFO] [stderr]     18:     0x56308e88413b - core::ops::function::FnOnce::call_once::h477358c0cae49709
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x56308e880c4e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3a693132c7505d5b
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x56308e883d21 - std::rt::lang_start::{{closure}}::h169e4d04eaf918a3
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x56308eb83920 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x56308eb83920 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x56308eb83920 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x56308eb83920 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x56308eb83920 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x56308e883cf7 - std::rt::lang_start::h8783e5f40dadaf05
[INFO] [stderr]                                  at /rustc/893fadd11a52aa26fc19c67ee1b79f03d6a1bed3/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x56308e880bca - main
[INFO] [stderr]     28:     0x7fd366a770b3 - __libc_start_main
[INFO] [stderr]     29:     0x56308e86b0de - _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" "d294d8a8363f74d429d16a5e89971dad1d0c0c5598db0a43b460152ad6d955db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d294d8a8363f74d429d16a5e89971dad1d0c0c5598db0a43b460152ad6d955db", kill_on_drop: false }`
[INFO] [stdout] d294d8a8363f74d429d16a5e89971dad1d0c0c5598db0a43b460152ad6d955db