[INFO] fetching crate catboost2 0.1.1+catboost.1.0.5...
[INFO] checking catboost2-0.1.1+catboost.1.0.5 against try#f6d7c613ae2d161ff37dbc63cc5abd809c878597 for pr-83850
[INFO] extracting crate catboost2 0.1.1+catboost.1.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate catboost2 0.1.1+catboost.1.0.5 on toolchain f6d7c613ae2d161ff37dbc63cc5abd809c878597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate catboost2 0.1.1+catboost.1.0.5
[INFO] finished tweaking crates.io crate catboost2 0.1.1+catboost.1.0.5
[INFO] tweaked toml for crates.io crate catboost2 0.1.1+catboost.1.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b3b411093ebd41fef5ab1b50ddae15bb9341666850c31c161ef9eff80157eb8
[INFO] running `Command { std: "docker" "start" "-a" "0b3b411093ebd41fef5ab1b50ddae15bb9341666850c31c161ef9eff80157eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b3b411093ebd41fef5ab1b50ddae15bb9341666850c31c161ef9eff80157eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3b411093ebd41fef5ab1b50ddae15bb9341666850c31c161ef9eff80157eb8", kill_on_drop: false }`
[INFO] [stdout] 0b3b411093ebd41fef5ab1b50ddae15bb9341666850c31c161ef9eff80157eb8
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39fbf9f7633f929bcee3cbd487a8a59b3d39be15c32e7ac7fa461b104cc7d76f
[INFO] running `Command { std: "docker" "start" "-a" "39fbf9f7633f929bcee3cbd487a8a59b3d39be15c32e7ac7fa461b104cc7d76f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling filetime v0.2.16
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling zstd-sys v2.0.1+zstd.1.5.2
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling catboost2-sys v0.1.1+catboost.1.0.5
[INFO] [stderr] error: failed to run custom build command for `catboost2-sys v0.1.1+catboost.1.0.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/catboost2-sys-5c42ccfabe26fb5f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'f6d7c613ae2d161ff37dbc63cc5abd809c878597'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr]   Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 17, kind: AlreadyExists, message: "File exists" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/catboost2-sys-0.1.1+catboost.1.0.5/build.rs:21:33
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55afe5fa960d - std::backtrace_rs::backtrace::libunwind::trace::haaa40e1b6cc95957
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55afe5fa960d - std::backtrace_rs::backtrace::trace_unsynchronized::h6b73830d186fd1c9
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55afe5fa960d - std::sys_common::backtrace::_print_fmt::h8fe3cdcd2884af2e
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55afe5fa960d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8b3c5407b340096e
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55afe5fcee6c - core::fmt::write::h4c1e341f59ea9e37
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/fmt/mod.rs:1196:17
[INFO] [stderr]      5:     0x55afe5fa60e1 - std::io::Write::write_fmt::h883ad43a32b34a31
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/io/mod.rs:1654:15
[INFO] [stderr]      6:     0x55afe5faada5 - std::sys_common::backtrace::_print::h02727471598aa579
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55afe5faada5 - std::sys_common::backtrace::print::hd7a83189320644ee
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55afe5faada5 - std::panicking::default_hook::{{closure}}::hf0c265a6d585ec72
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x55afe5faaac6 - std::panicking::default_hook::h3b6b60de87a2bf2a
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x55afe5fab336 - std::panicking::rust_panic_with_hook::h9282d18845c97dfd
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x55afe5fab227 - std::panicking::begin_panic_handler::{{closure}}::hfca19834d6c0c2c8
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x55afe5fa9ac4 - std::sys_common::backtrace::__rust_end_short_backtrace::hdf168cbdf5801f67
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55afe5faaf59 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x55afe59fbe13 - core::panicking::panic_fmt::h00b93fc027a6710e
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x55afe59fbf03 - core::result::unwrap_failed::h41ff3bc3e9d9eb76
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x55afe59fda48 - core::result::Result<T,E>::unwrap::h4edd862a1785b240
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/result.rs:1078:23
[INFO] [stderr]     17:     0x55afe5a01933 - build_script_build::main::hbedf55f7805f12b1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/catboost2-sys-0.1.1+catboost.1.0.5/build.rs:21:5
[INFO] [stderr]     18:     0x55afe59ff9cb - core::ops::function::FnOnce::call_once::h61604334d1729b43
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     19:     0x55afe59ff78e - std::sys_common::backtrace::__rust_begin_short_backtrace::he5f8cc0cb1b730f4
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     20:     0x55afe59fecc1 - std::rt::lang_start::{{closure}}::h21650e80df99314a
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x55afe5fa1846 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h41e4bc47a1f2aa21
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     22:     0x55afe5fa1846 - std::panicking::try::do_call::hc0840b1729b58f64
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:492:40
[INFO] [stderr]     23:     0x55afe5fa1846 - std::panicking::try::h7815b268dc4e90fc
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:456:19
[INFO] [stderr]     24:     0x55afe5fa1846 - std::panic::catch_unwind::h049639e393cb33f6
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panic.rs:137:14
[INFO] [stderr]     25:     0x55afe5fa1846 - std::rt::lang_start_internal::{{closure}}::h882d8f27d0e8ec63
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x55afe5fa1846 - std::panicking::try::do_call::h0dbe720968196a77
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:492:40
[INFO] [stderr]     27:     0x55afe5fa1846 - std::panicking::try::h50b5ca6714b7b1f2
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panicking.rs:456:19
[INFO] [stderr]     28:     0x55afe5fa1846 - std::panic::catch_unwind::h0dc4ca726af8e60c
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/panic.rs:137:14
[INFO] [stderr]     29:     0x55afe5fa1846 - std::rt::lang_start_internal::h8dbba58ce1a1f349
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x55afe59fec90 - std::rt::lang_start::h68acdf5dbdc1e0b2
[INFO] [stderr]                                  at /rustc/f6d7c613ae2d161ff37dbc63cc5abd809c878597/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x55afe5a025dc - main
[INFO] [stderr]     32:     0x7f5f05ff1083 - __libc_start_main
[INFO] [stderr]     33:     0x55afe59fc10e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "39fbf9f7633f929bcee3cbd487a8a59b3d39be15c32e7ac7fa461b104cc7d76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39fbf9f7633f929bcee3cbd487a8a59b3d39be15c32e7ac7fa461b104cc7d76f", kill_on_drop: false }`
[INFO] [stdout] 39fbf9f7633f929bcee3cbd487a8a59b3d39be15c32e7ac7fa461b104cc7d76f