[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] testing mattcl/are-we-merged-yet against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattcl%2Fare-we-merged-yet" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattcl/are-we-merged-yet on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-14/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.6
[INFO] [stderr]   Downloaded atty v0.2.1
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded cmake v0.1.20
[INFO] [stderr]   Downloaded encode_unicode v0.2.0
[INFO] [stderr]   Downloaded git2 v0.6.3
[INFO] [stderr]   Downloaded openssl-probe v0.1.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.5
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded libgit2-sys v0.6.6
[INFO] [stderr]   Downloaded curl-sys v0.3.6
[INFO] [stderr]   Downloaded libz-sys v1.0.10
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] [stderr]   Downloaded prettytable-rs v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3566c5bfac203d7ed589d6de4e33f13f59b5e21f7d356a71ffa5a71ddbfea941
[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" "3566c5bfac203d7ed589d6de4e33f13f59b5e21f7d356a71ffa5a71ddbfea941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3566c5bfac203d7ed589d6de4e33f13f59b5e21f7d356a71ffa5a71ddbfea941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3566c5bfac203d7ed589d6de4e33f13f59b5e21f7d356a71ffa5a71ddbfea941", kill_on_drop: false }`
[INFO] [stdout] 3566c5bfac203d7ed589d6de4e33f13f59b5e21f7d356a71ffa5a71ddbfea941
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d81441b734657f63c4ba60e5a1757510c683c6f476965779cbb0f428d20826
[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" "85d81441b734657f63c4ba60e5a1757510c683c6f476965779cbb0f428d20826", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling encode_unicode v0.2.0
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling atty v0.2.1
[INFO] [stderr]    Compiling libz-sys v1.0.10
[INFO] [stderr]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling curl-sys v0.3.6
[INFO] [stderr]    Compiling libgit2-sys v0.6.6
[INFO] [stderr]    Compiling clap v2.20.0
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling csv v0.14.7
[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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.build_script_build.cbr3azlo-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9" "/opt/rustwide/target/debug/build/openssl-sys-2e561d1d64c4bbe9/build_script_build-2e561d1d64c4bbe9.zc4svvxriuqh93i.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-2f1f0d239a2830a5.rlib" "/opt/rustwide/target/debug/deps/libtoml-7915176d809a2920.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-4ec00c056849eb42.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-3a54acd2bdd76900.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-fab5106fa1b20e30.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-02ee8592e8070d71.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-44897c33622342d1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4dda033e97829cbd.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-9b859a4b43489b4d.rlib" "/opt/rustwide/target/debug/deps/libwinapi-53d291ef9733f714.rlib" "/opt/rustwide/target/debug/deps/libkernel32-5d5d19a3cac54ca4.rlib" "/opt/rustwide/target/debug/deps/liblibc-a0ae046179b3f4dc.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-fab5106fa1b20e30.rlib(backtrace-fab5106fa1b20e30.backtrace.13hgyx9b-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-fab5106fa1b20e30.rlib(backtrace-fab5106fa1b20e30.backtrace.13hgyx9b-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: could not compile `openssl-sys`
[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[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: build failed
[INFO] running `Command { std: "docker" "inspect" "85d81441b734657f63c4ba60e5a1757510c683c6f476965779cbb0f428d20826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d81441b734657f63c4ba60e5a1757510c683c6f476965779cbb0f428d20826", kill_on_drop: false }`
[INFO] [stdout] 85d81441b734657f63c4ba60e5a1757510c683c6f476965779cbb0f428d20826