[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.6
[INFO] [stderr]   Downloaded encode_unicode v0.2.0
[INFO] [stderr]   Downloaded atty v0.2.1
[INFO] [stderr]   Downloaded libz-sys v1.0.10
[INFO] [stderr]   Downloaded openssl-probe v0.1.0
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded libssh2-sys v0.2.5
[INFO] [stderr]   Downloaded curl-sys v0.3.6
[INFO] [stderr]   Downloaded git2 v0.6.3
[INFO] [stderr]   Downloaded libgit2-sys v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 44a84097890bff439fd829530a7fe3fa07d9b379104f1d1c05d75b1beac8c68c
[INFO] running `Command { std: "docker" "start" "-a" "44a84097890bff439fd829530a7fe3fa07d9b379104f1d1c05d75b1beac8c68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44a84097890bff439fd829530a7fe3fa07d9b379104f1d1c05d75b1beac8c68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a84097890bff439fd829530a7fe3fa07d9b379104f1d1c05d75b1beac8c68c", kill_on_drop: false }`
[INFO] [stdout] 44a84097890bff439fd829530a7fe3fa07d9b379104f1d1c05d75b1beac8c68c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4fb9c319f2f67adcacfeb21c0bfd437fe050ae9d4fff6ccbf6d2face4929d79
[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" "f4fb9c319f2f67adcacfeb21c0bfd437fe050ae9d4fff6ccbf6d2face4929d79", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.41
[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]    Compiling toml v0.2.1
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking encode_unicode v0.2.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking openssl-probe v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking atty v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking prettytable-rs v0.6.6
[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 clap v2.20.0
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]     Checking error-chain v0.7.2
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.build_script_build.6bkya1hl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9" "/opt/rustwide/target/debug/build/openssl-sys-df36844e955d71f9/build_script_build-df36844e955d71f9.g7zmy5ynb4a5cv7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-cf1cc68d7b8d66c0.rlib" "/opt/rustwide/target/debug/deps/libtoml-8725721c1330c477.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-08b777bac2b83596.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-fd5181680b618b00.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-2240928d18b70bc4.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-93919683e7059408.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-ee935a165202afd8.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7a719300ffe3dcc6.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-94b24a7199141578.rlib" "/opt/rustwide/target/debug/deps/libwinapi-27cf29b15030b890.rlib" "/opt/rustwide/target/debug/deps/libkernel32-b8a54bd47a28daf3.rlib" "/opt/rustwide/target/debug/deps/liblibc-dc3e6eae09e8611e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-787faa8b02fbd963.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dda4c0b69607e93b.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-4b7dae8949ac132c.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-978e97832b309706.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-073b1b693304b876.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c07f996a53ee6558.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0ae8ed6a282247d0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-978dd04958b6ebcc.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-14b94bdd9a47d665.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bff7534e4dfcef6c.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-022f1a0e7cd794ec.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ff456575f1773ef0.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aeb407930ebd519.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6ab1ee6dbc17ad08.rlib" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-166dae07beec0398.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-761b290f47712921.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-2240928d18b70bc4.rlib(backtrace-2240928d18b70bc4.backtrace.9mv6lp62-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-2240928d18b70bc4.rlib(backtrace-2240928d18b70bc4.backtrace.9mv6lp62-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" "f4fb9c319f2f67adcacfeb21c0bfd437fe050ae9d4fff6ccbf6d2face4929d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fb9c319f2f67adcacfeb21c0bfd437fe050ae9d4fff6ccbf6d2face4929d79", kill_on_drop: false }`
[INFO] [stdout] f4fb9c319f2f67adcacfeb21c0bfd437fe050ae9d4fff6ccbf6d2face4929d79