[INFO] cloning repository https://github.com/rje/test_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rje/test_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frje%2Ftest_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frje%2Ftest_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 138f47bfb8b96d1df9368cb02574326c023a4b8f
[INFO] testing rje/test_engine against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frje%2Ftest_engine" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rje/test_engine on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rje/test_engine
[INFO] finished tweaking git repo https://github.com/rje/test_engine
[INFO] tweaked toml for git repo https://github.com/rje/test_engine written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rje/test_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl v0.6.5
[INFO] [stderr]   Downloaded tar v0.4.14
[INFO] [stderr]   Downloaded xattr v0.1.11
[INFO] [stderr]   Downloaded stb_image v0.2.2
[INFO] [stderr]   Downloaded shred v0.5.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d8aa7dfe3d77e0a5da8554f1e8c9db4ac5a1f6e21e1e2c0b2e58ddb14069ac4
[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" "0d8aa7dfe3d77e0a5da8554f1e8c9db4ac5a1f6e21e1e2c0b2e58ddb14069ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8aa7dfe3d77e0a5da8554f1e8c9db4ac5a1f6e21e1e2c0b2e58ddb14069ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8aa7dfe3d77e0a5da8554f1e8c9db4ac5a1f6e21e1e2c0b2e58ddb14069ac4", kill_on_drop: false }`
[INFO] [stdout] 0d8aa7dfe3d77e0a5da8554f1e8c9db4ac5a1f6e21e1e2c0b2e58ddb14069ac4
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d120990bb9322b476234f2f8e7bf6f1414559fd3ff617a76b14f243d18052099
[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" "d120990bb9322b476234f2f8e7bf6f1414559fd3ff617a76b14f243d18052099", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling atom v0.3.4
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling stb_image v0.2.2
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr] error: failed to run custom build command for `openssl v0.9.24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/openssl-43f619db02661c0c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Unable to detect OpenSSL version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.9.24/build.rs:16:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5596e378aa50 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5596e378aa50 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5596e378aa50 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5596e378aa50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5596e37a44fc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5596e3789375 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5596e378c68b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5596e378c68b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5596e378c68b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5596e378c161 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5596e378cd54 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5596e377a31f - std::panicking::begin_panic::{{closure}}::hff222ea8a970462a
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x5596e377a178 - std::sys_common::backtrace::__rust_end_short_backtrace::h1ca62b279b29c6c5
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5596e377a265 - std::panicking::begin_panic::h8b17b56d0f3feed6
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x5596e377b358 - build_script_build::main::hb059a8d202774961
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.9.24/build.rs:16:14
[INFO] [stderr]     15:     0x5596e3778a9b - core::ops::function::FnOnce::call_once::h1bd6b2beabff7ec2
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x5596e377a1be - std::sys_common::backtrace::__rust_begin_short_backtrace::h9f66cf7cc153dcab
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x5596e3779221 - std::rt::lang_start::{{closure}}::h315b94775c8d5b47
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:63:18
[INFO] [stderr]     18:     0x5596e378d25a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x5596e378d25a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x5596e378d25a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x5596e378d25a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x5596e378d25a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stderr]     23:     0x5596e378d25a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5596e378d25a - std::panicking::try::hd0929f0b603e0389
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5596e378d25a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5596e378d25a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stderr]     27:     0x5596e37791f0 - std::rt::lang_start::h6772be6cceb171d2
[INFO] [stderr]                                  at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:62:5
[INFO] [stderr]     28:     0x5596e377ba5c - main
[INFO] [stderr]     29:     0x7fc868daa0b3 - __libc_start_main
[INFO] [stderr]     30:     0x5596e377670e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d120990bb9322b476234f2f8e7bf6f1414559fd3ff617a76b14f243d18052099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d120990bb9322b476234f2f8e7bf6f1414559fd3ff617a76b14f243d18052099", kill_on_drop: false }`
[INFO] [stdout] d120990bb9322b476234f2f8e7bf6f1414559fd3ff617a76b14f243d18052099
