[INFO] cloning repository https://github.com/darkwater/tear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkwater/tear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Ftear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Ftear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b3294a74cb3770646f50f1ef977fa7a7e9b3bf0
[INFO] testing darkwater/tear against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkwater%2Ftear" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darkwater/tear on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darkwater/tear
[INFO] finished tweaking git repo https://github.com/darkwater/tear
[INFO] tweaked toml for git repo https://github.com/darkwater/tear written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/darkwater/tear already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 756af98f866805a8d8cad9e421df8cbfbb9ee7962a3125e13fd3b40a28da613b
[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" "756af98f866805a8d8cad9e421df8cbfbb9ee7962a3125e13fd3b40a28da613b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "756af98f866805a8d8cad9e421df8cbfbb9ee7962a3125e13fd3b40a28da613b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756af98f866805a8d8cad9e421df8cbfbb9ee7962a3125e13fd3b40a28da613b", kill_on_drop: false }`
[INFO] [stdout] 756af98f866805a8d8cad9e421df8cbfbb9ee7962a3125e13fd3b40a28da613b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc226c0bc0025496f56c882dad478b5634a10aa2e85d4fcb88a9c39caf53ec6b
[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" "cc226c0bc0025496f56c882dad478b5634a10aa2e85d4fcb88a9c39caf53ec6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling cexpr v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling libudev-sys v0.1.3
[INFO] [stderr]    Compiling clang-sys v0.14.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling config v0.4.1
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr] error: failed to run custom build command for `libudev-sys v0.1.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libudev-sys-3b1a6b06e7def3b2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=native=/lib/x86_64-linux-gnu
[INFO] [stderr]   cargo:rustc-link-lib=udev
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libudev-sys-0.1.3/build.rs:13:40
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5601b00804cc - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5601b00804cc - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5601b00804cc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5601b00804cc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5601b009e4ac - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x5601b007cdd5 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x5601b0081c10 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5601b0081c10 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5601b0081c10 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x5601b00817bb - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x5601b00822c4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x5601b0081da0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x5601b0080984 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5601b0081d09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x5601b00480d1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14
[INFO] [stderr]     15:     0x5601b0048163 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5
[INFO] [stderr]     16:     0x5601b004a976 - core::result::Result<T,E>::unwrap::h4f34b93de84bfeba
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23
[INFO] [stderr]     17:     0x5601b0049a80 - build_script_build::check_func::h14790531e5e28e2d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libudev-sys-0.1.3/build.rs:13:5
[INFO] [stderr]     18:     0x5601b004a326 - build_script_build::main::h4a578015ba77d18c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libudev-sys-0.1.3/build.rs:41:8
[INFO] [stderr]     19:     0x5601b00496fb - core::ops::function::FnOnce::call_once::hba62b99da81d744a
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5601b004979e - std::sys_common::backtrace::__rust_begin_short_backtrace::he725717429cd4d86
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     21:     0x5601b0049591 - std::rt::lang_start::{{closure}}::h88b5fdde4c6cd107
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x5601b007fd11 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5601b007fd11 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x5601b007fd11 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x5601b007fd11 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x5601b007fd11 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x5601b007fd11 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x5601b007fd11 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x5601b007fd11 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x5601b007fd11 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x5601b0049560 - std::rt::lang_start::hbfc39ee4b0b64701
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x5601b004a3fc - main
[INFO] [stderr]     33:     0x7fa5bed6e0b3 - __libc_start_main
[INFO] [stderr]     34:     0x5601b00487ee - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `ast::Name`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.54.0/src/symbol.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |                       name: ast::Name($index),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | / declare_keywords! {
[INFO] [stdout] 166 | |     // Invalid identifier
[INFO] [stdout] 167 | |     (0,  Invalid,        "")
[INFO] [stdout] 168 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stdout] 232 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `declare_keywords` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc226c0bc0025496f56c882dad478b5634a10aa2e85d4fcb88a9c39caf53ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc226c0bc0025496f56c882dad478b5634a10aa2e85d4fcb88a9c39caf53ec6b", kill_on_drop: false }`
[INFO] [stdout] cc226c0bc0025496f56c882dad478b5634a10aa2e85d4fcb88a9c39caf53ec6b