[INFO] cloning repository https://github.com/nukomeet/mort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nukomeet/mort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukomeet%2Fmort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukomeet%2Fmort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db4e992b2b18f6aadaadd515a2a941632b2b22ef
[INFO] checking nukomeet/mort against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukomeet%2Fmort" "/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/nukomeet/mort on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nukomeet/mort
[INFO] finished tweaking git repo https://github.com/nukomeet/mort
[INFO] tweaked toml for git repo https://github.com/nukomeet/mort written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nukomeet/mort already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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 ucl v0.1.4
[INFO] [stderr]   Downloaded libucl-sys v0.1.5
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17a30148466a1c73f0d453de4ea5c0a928636f6c44e9a93f4656083644f4fa3f
[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" "17a30148466a1c73f0d453de4ea5c0a928636f6c44e9a93f4656083644f4fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17a30148466a1c73f0d453de4ea5c0a928636f6c44e9a93f4656083644f4fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a30148466a1c73f0d453de4ea5c0a928636f6c44e9a93f4656083644f4fa3f", kill_on_drop: false }`
[INFO] [stdout] 17a30148466a1c73f0d453de4ea5c0a928636f6c44e9a93f4656083644f4fa3f
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--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] 653c8c8877e78a54621aae64602794bfcbae1d0c9615077443a3337c96438bd8
[INFO] running `Command { std: "docker" "start" "-a" "653c8c8877e78a54621aae64602794bfcbae1d0c9615077443a3337c96438bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libucl-sys v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr] error: failed to run custom build command for `libucl-sys v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libucl-sys-a7f13841b8327550/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   running: "./autogen.sh"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr]   aclocal: error: echo failed with exit status: 1
[INFO] [stderr]   autoreconf: aclocal failed with exit status: 1
[INFO] [stderr]   thread 'main' panicked at '
[INFO] [stderr]   command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   build script failed, must exit now', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:51:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564c604adf60 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x564c604adf60 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564c604adf60 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564c604adf60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564c604cb9fc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x564c604abbe2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x564c604b0205 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564c604b0205 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564c604b0205 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x564c604afea8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x564c604b0941 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x564c604b0487 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x564c604ae3fc - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x564c604b03e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x564c604b039b - std::panicking::begin_panic_fmt::h447a9fe10c3ac155
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:437:5
[INFO] [stderr]     15:     0x564c6048e140 - build_script_build::fail::h0f2df7af5e08c3f3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:51:5
[INFO] [stderr]     16:     0x564c6048dfc6 - build_script_build::run::hb145b47c547e658b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:46:9
[INFO] [stderr]     17:     0x564c6048d36f - build_script_build::main::h6d04b0c59610475a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libucl-sys-0.1.5/build.rs:16:5
[INFO] [stderr]     18:     0x564c6049671b - core::ops::function::FnOnce::call_once::hbc0d6b2fdceb4681
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x564c60494c2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h94872c80892a12ab
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x564c604914c1 - std::rt::lang_start::{{closure}}::ha9ae81a12de67be8
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x564c604b0d67 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x564c604b0d67 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x564c604b0d67 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x564c604b0d67 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x564c604b0d67 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x564c60491497 - std::rt::lang_start::h272af6b368a989f9
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x564c6048e17a - main
[INFO] [stderr]     28:     0x7f2c29d0c0b3 - __libc_start_main
[INFO] [stderr]     29:     0x564c6048d0ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "653c8c8877e78a54621aae64602794bfcbae1d0c9615077443a3337c96438bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653c8c8877e78a54621aae64602794bfcbae1d0c9615077443a3337c96438bd8", kill_on_drop: false }`
[INFO] [stdout] 653c8c8877e78a54621aae64602794bfcbae1d0c9615077443a3337c96438bd8