[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#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-15/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24cbaa3008bc965f2108dbed83e2ec8ee2d37eb8015084b728cf961ef81f4ad7
[INFO] running `Command { std: "docker" "start" "-a" "24cbaa3008bc965f2108dbed83e2ec8ee2d37eb8015084b728cf961ef81f4ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24cbaa3008bc965f2108dbed83e2ec8ee2d37eb8015084b728cf961ef81f4ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cbaa3008bc965f2108dbed83e2ec8ee2d37eb8015084b728cf961ef81f4ad7", kill_on_drop: false }`
[INFO] [stdout] 24cbaa3008bc965f2108dbed83e2ec8ee2d37eb8015084b728cf961ef81f4ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829d0c09de898f77c49d511bba569030931a038c2cc9a9ce44011e3c3b316a85
[INFO] running `Command { std: "docker" "start" "-a" "829d0c09de898f77c49d511bba569030931a038c2cc9a9ce44011e3c3b316a85", 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 pkg-config v0.3.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling winapi v0.2.8
[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 matches v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[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]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking 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]     Checking atty v0.2.1
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.build_script_build.526a4579-cgu.9.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1.45tpo14f9j1yoorq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-3a9b537b8c2802ef.rlib" "/opt/rustwide/target/debug/deps/libtoml-63c1804025306598.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-86ca1c1446fe6d16.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-2efdf5a0d916fe2e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-4fa32702939b6752.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-0ecba67ac74f69c3.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-27e609617fffd9ba.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-54fc4b981caf04b1.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-b78797f84151d4b3.rlib" "/opt/rustwide/target/debug/deps/libwinapi-4d42a927084ddbff.rlib" "/opt/rustwide/target/debug/deps/libkernel32-478598ab95f6174b.rlib" "/opt/rustwide/target/debug/deps/liblibc-91d676c0f1ac80f2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d6566390077dd5f5.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a8f484438681c15e.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-b69fd8507c8409af.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-2dff396b99681a6b.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a78bd5aa183c7115.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-846c64d5a2fbc5ee.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-24c09062b6dc787b.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ce93f351ca41a57b.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-5b404d65540eadf8.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-514cb174319eb6d4.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-37c1534c42bc4f8c.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-06d0f7780fda2fd9.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-126d4eb258557375.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-88bb1ba4dd271224.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b4a707e310d7480c.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0b5a376b429677a6.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-eecefd843a0dbc02.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/db1fb85cff63ad5fffe435e17128f99f9e1d970c/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/openssl-sys-dedae5ca573388e1/build_script_build-dedae5ca573388e1" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-4fa32702939b6752.rlib(backtrace-4fa32702939b6752.backtrace.1881bcb3-cgu.11.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-4fa32702939b6752.rlib(backtrace-4fa32702939b6752.backtrace.1881bcb3-cgu.11.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]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[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" "829d0c09de898f77c49d511bba569030931a038c2cc9a9ce44011e3c3b316a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829d0c09de898f77c49d511bba569030931a038c2cc9a9ce44011e3c3b316a85", kill_on_drop: false }`
[INFO] [stdout] 829d0c09de898f77c49d511bba569030931a038c2cc9a9ce44011e3c3b316a85