[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] checking mattcl/are-we-merged-yet against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-6/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80c4745c1cfb5d43f137fc003ea26cc1a4c0ead97ee4cd4251306d2f31acbfc
[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" "e80c4745c1cfb5d43f137fc003ea26cc1a4c0ead97ee4cd4251306d2f31acbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80c4745c1cfb5d43f137fc003ea26cc1a4c0ead97ee4cd4251306d2f31acbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80c4745c1cfb5d43f137fc003ea26cc1a4c0ead97ee4cd4251306d2f31acbfc", kill_on_drop: false }`
[INFO] [stdout] e80c4745c1cfb5d43f137fc003ea26cc1a4c0ead97ee4cd4251306d2f31acbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 03b8cd25f33e8de89974d9c1bbd52c605cb8bd582107837c7fc90af18aea2803
[INFO] running `Command { std: "docker" "start" "-a" "03b8cd25f33e8de89974d9c1bbd52c605cb8bd582107837c7fc90af18aea2803", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling libc v0.2.18
[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 winapi v0.2.8
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[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]     Checking term v0.4.4
[INFO] [stderr]     Checking atty v0.2.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling libgit2-sys v0.6.6
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking 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" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.build_script_build.dlbpi0az-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b" "/opt/rustwide/target/debug/build/openssl-sys-7b7e6874a6fec85b/build_script_build-7b7e6874a6fec85b.4mqvlpejorgynjky.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-5ccb42a283c3a5f1.rlib" "/opt/rustwide/target/debug/deps/libtoml-c48a0d9ff6677fb1.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-f0e1465b04e455c5.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-8abcc786ec855694.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-e95aa0bd9e1addd8.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-3d3278a6f2e6f1f1.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-98f38dcb11a75b41.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-fbaeb006ad3b6459.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-aa78f5ddb1a76b48.rlib" "/opt/rustwide/target/debug/deps/libwinapi-d7ba1d42122a8dcb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-993ceeac44ac178c.rlib" "/opt/rustwide/target/debug/deps/liblibc-0de6a5622c1c7aa8.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-25c6acf8063a3802.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-539f13c9442f1597.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-37db28e905edb56b.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9ef2480568df55af.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-1e0f0992cdbecd66.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6c8e02b8fedc1e5f.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-807e5ad203594490.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-083fce1bea11612a.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-1af568081add9042.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-1395b54a3b3f45bf.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-caba820045f178d5.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-512eb53291f6de7e.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-5efacc5025f9f3d8.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9c4002b5f79ba0e1.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-90996f4879673567.rlib" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9ea09a899c3eda46.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ef2408da76957905.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-e95aa0bd9e1addd8.rlib(backtrace-e95aa0bd9e1addd8.backtrace.4k7j3f2c-cgu.12.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-e95aa0bd9e1addd8.rlib(backtrace-e95aa0bd9e1addd8.backtrace.4k7j3f2c-cgu.12.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" "03b8cd25f33e8de89974d9c1bbd52c605cb8bd582107837c7fc90af18aea2803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b8cd25f33e8de89974d9c1bbd52c605cb8bd582107837c7fc90af18aea2803", kill_on_drop: false }`
[INFO] [stdout] 03b8cd25f33e8de89974d9c1bbd52c605cb8bd582107837c7fc90af18aea2803