[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38880f502873c7c07b7feaff9b04e16aa51be2dd
[INFO] checking mattcl/are-we-merged-yet against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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-5/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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca46eef842486fc63fe36966d51bea78825202367bd8486cae1c37d74310c3dc
[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" "ca46eef842486fc63fe36966d51bea78825202367bd8486cae1c37d74310c3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca46eef842486fc63fe36966d51bea78825202367bd8486cae1c37d74310c3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca46eef842486fc63fe36966d51bea78825202367bd8486cae1c37d74310c3dc", kill_on_drop: false }`
[INFO] [stdout] ca46eef842486fc63fe36966d51bea78825202367bd8486cae1c37d74310c3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 1ba02a343f6871976148450b62cca93f0de1fe402b0214de2c89d3d765f9a298
[INFO] running `Command { std: "docker" "start" "-a" "1ba02a343f6871976148450b62cca93f0de1fe402b0214de2c89d3d765f9a298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking atty v0.2.1
[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]     Checking clap v2.20.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling libgit2-sys v0.6.6
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking url v1.2.4
[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" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.build_script_build.7vkufssz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742" "/opt/rustwide/target/debug/build/openssl-sys-a7a2e2c873f51742/build_script_build-a7a2e2c873f51742.3e92wiub4jylw582.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-1f97432ed70a3a35.rlib" "/opt/rustwide/target/debug/deps/libtoml-0122a6f963d436a4.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-6f883eac93b63f24.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-bad2667316022e58.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-f8c35ba756de4ae5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-c5f5b7a83ab68557.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-4b52f0c0ec6272f6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-03a1101579ae234e.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-8125723676ab7d1d.rlib" "/opt/rustwide/target/debug/deps/libwinapi-f315fac9f78c00fb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-357e0cd2dff55d80.rlib" "/opt/rustwide/target/debug/deps/liblibc-c93b7898e1e80e10.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d895ec1521a352e3.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5333207f7fdaff57.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5e065c4933df0dc9.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-2ac35a6dd1bd3596.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-b8b9f86383e2e879.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-8c1a87013a4e685b.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-96bdb8ea34325807.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cf3b83848867fae8.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4d1f8701b1db897.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9c83a198016cea8e.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-2235987a16fa51d0.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-7958ad441e827235.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df9a2255aa3aefd0.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ef3396f5290b8f93.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-80bd8cd3dfc96137.rlib" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cd104942fda86acc.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/22dd2dd1dc07f63ae9394352d412f020d2985684/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e6ba59dfb364610e.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-f8c35ba756de4ae5.rlib(backtrace-f8c35ba756de4ae5.backtrace.a1pbtnnv-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-f8c35ba756de4ae5.rlib(backtrace-f8c35ba756de4ae5.backtrace.a1pbtnnv-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" "1ba02a343f6871976148450b62cca93f0de1fe402b0214de2c89d3d765f9a298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba02a343f6871976148450b62cca93f0de1fe402b0214de2c89d3d765f9a298", kill_on_drop: false }`
[INFO] [stdout] 1ba02a343f6871976148450b62cca93f0de1fe402b0214de2c89d3d765f9a298