[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 try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/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/mattcl/are-we-merged-yet on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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-4/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.20
[INFO] [stderr]   Downloaded encode_unicode v0.2.0
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded prettytable-rs v0.6.6
[INFO] [stderr]   Downloaded atty v0.2.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.5
[INFO] [stderr]   Downloaded curl-sys v0.3.6
[INFO] [stderr]   Downloaded libz-sys v1.0.10
[INFO] [stderr]   Downloaded libgit2-sys v0.6.6
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0ea170322b299a0ad3b1ccc461c7d29eb9fb56ca9dc271a189cc32ef1dd456
[INFO] running `Command { std: "docker" "start" "-a" "2c0ea170322b299a0ad3b1ccc461c7d29eb9fb56ca9dc271a189cc32ef1dd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0ea170322b299a0ad3b1ccc461c7d29eb9fb56ca9dc271a189cc32ef1dd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0ea170322b299a0ad3b1ccc461c7d29eb9fb56ca9dc271a189cc32ef1dd456", kill_on_drop: false }`
[INFO] [stdout] 2c0ea170322b299a0ad3b1ccc461c7d29eb9fb56ca9dc271a189cc32ef1dd456
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce4f4a03387c3157a67b79467742827192e9c5ffdca9d56ce08121107cfd8bf
[INFO] running `Command { std: "docker" "start" "-a" "0ce4f4a03387c3157a67b79467742827192e9c5ffdca9d56ce08121107cfd8bf", 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 backtrace v0.3.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking openssl-probe v0.1.0
[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 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]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling libgit2-sys v0.6.6
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]     Checking url v1.2.4
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.build_script_build.763sn9zr-cgu.9.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee.1rvsm3hpg10omd2g.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-44f5fd365abe2913.rlib" "/opt/rustwide/target/debug/deps/libtoml-0535ab26154b9cb8.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-9a90bf57dbfa7464.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-da7f1419bafc96a2.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-ab46854c3eedbf24.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-c734ca03b3d733ec.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b6b68660676f275d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3562bf65d9243e05.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-f8afcf81f7518078.rlib" "/opt/rustwide/target/debug/deps/libwinapi-752b8c6fa8b80860.rlib" "/opt/rustwide/target/debug/deps/libkernel32-eb9071fb75aa08cb.rlib" "/opt/rustwide/target/debug/deps/liblibc-c98f1c265f8668d0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-363511a59ca6fedb.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-bfca9168c92854a6.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-812e30513d1c89b8.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-188e363ded42de4f.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-e28ffeccd22e9a1f.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-4548dd8a58fdea8b.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-a19002c3af511478.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fa470ca82472f5af.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d7e6aa5f63bd2910.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-0913465657a90cb1.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-1ff59d4f23b10626.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-13cac61c165498fc.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-cb211021e5cae8f7.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-1079ae9f5c548531.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3ff27e866345b61e.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2588c44e3ecacf72.rlib" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d231748acf961207.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/e0f03aec47b100bc29555561bd62a99d1bc6aca5/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/openssl-sys-cdf8715b9d15f2ee/build_script_build-cdf8715b9d15f2ee" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-ab46854c3eedbf24.rlib(backtrace-ab46854c3eedbf24.backtrace.erc9whfx-cgu.14.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-ab46854c3eedbf24.rlib(backtrace-ab46854c3eedbf24.backtrace.erc9whfx-cgu.14.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" "0ce4f4a03387c3157a67b79467742827192e9c5ffdca9d56ce08121107cfd8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce4f4a03387c3157a67b79467742827192e9c5ffdca9d56ce08121107cfd8bf", kill_on_drop: false }`
[INFO] [stdout] 0ce4f4a03387c3157a67b79467742827192e9c5ffdca9d56ce08121107cfd8bf