[INFO] cloning repository https://github.com/mattcl/are-we-merged-yet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattcl/are-we-merged-yet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38880f502873c7c07b7feaff9b04e16aa51be2dd
[INFO] testing mattcl/are-we-merged-yet against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattcl/are-we-merged-yet
[INFO] finished tweaking git repo https://github.com/mattcl/are-we-merged-yet
[INFO] tweaked toml for git repo https://github.com/mattcl/are-we-merged-yet written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mattcl/are-we-merged-yet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1977821c86dee478a4fd279f91cc87e393413c4751f0fa3b82b78298efabd38b
[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" "1977821c86dee478a4fd279f91cc87e393413c4751f0fa3b82b78298efabd38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1977821c86dee478a4fd279f91cc87e393413c4751f0fa3b82b78298efabd38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1977821c86dee478a4fd279f91cc87e393413c4751f0fa3b82b78298efabd38b", kill_on_drop: false }`
[INFO] [stdout] 1977821c86dee478a4fd279f91cc87e393413c4751f0fa3b82b78298efabd38b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--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] 94c2d5ec00e6b08fee2b1d1d12fe2cf26b56df10f44ff2bdaf685523f006341f
[INFO] running `Command { std: "docker" "start" "-a" "94c2d5ec00e6b08fee2b1d1d12fe2cf26b56df10f44ff2bdaf685523f006341f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling encode_unicode v0.2.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling atty v0.2.1
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.10
[INFO] [stderr]    Compiling curl-sys v0.3.6
[INFO] [stderr]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling libgit2-sys v0.6.6
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.build_script_build.ccqbr8j5-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51" "/opt/rustwide/target/debug/build/openssl-sys-776d6040386d2d51/build_script_build-776d6040386d2d51.10d2r5s61snxc0pq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-054fb6a5765e958d.rlib" "/opt/rustwide/target/debug/deps/libtoml-4165d571f2f0078f.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-362968d6bcfa5632.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-35f720c6c582d609.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-c67a9715b1a06cdf.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-2c5b9b8328593bcc.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-78aeb5d56643d06e.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-30cba4ee85dcefbb.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-25917302f706a38d.rlib" "/opt/rustwide/target/debug/deps/libwinapi-0f165c0ed5b63ae2.rlib" "/opt/rustwide/target/debug/deps/libkernel32-a7da0be504f2a82f.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed671c4d701c0489.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-c67a9715b1a06cdf.rlib(backtrace-c67a9715b1a06cdf.backtrace.elns5dkv-cgu.13.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-c67a9715b1a06cdf.rlib(backtrace-c67a9715b1a06cdf.backtrace.elns5dkv-cgu.13.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94c2d5ec00e6b08fee2b1d1d12fe2cf26b56df10f44ff2bdaf685523f006341f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c2d5ec00e6b08fee2b1d1d12fe2cf26b56df10f44ff2bdaf685523f006341f", kill_on_drop: false }`
[INFO] [stdout] 94c2d5ec00e6b08fee2b1d1d12fe2cf26b56df10f44ff2bdaf685523f006341f