[INFO] updating cached repository https://github.com/ruscur/swagladder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcfc3f7a832337e805998e3d8911c3718b2d8b9e
[INFO] testing ruscur/swagladder against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruscur%2Fswagladder" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruscur/swagladder on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruscur/swagladder
[INFO] finished tweaking git repo https://github.com/ruscur/swagladder
[INFO] tweaked toml for git repo https://github.com/ruscur/swagladder written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ruscur/swagladder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] c3e96b330d8459e2c980dea05d8bad807440c5c138cb30164fe544121321b8df
[INFO] running `Command { std: "docker" "start" "-a" "c3e96b330d8459e2c980dea05d8bad807440c5c138cb30164fe544121321b8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e96b330d8459e2c980dea05d8bad807440c5c138cb30164fe544121321b8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e96b330d8459e2c980dea05d8bad807440c5c138cb30164fe544121321b8df", kill_on_drop: false }`
[INFO] [stdout] c3e96b330d8459e2c980dea05d8bad807440c5c138cb30164fe544121321b8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 37eaedc45f5ead2852dcee4b2bec99c21e338d569dd69957e5508afd2c65f3c2
[INFO] running `Command { std: "docker" "start" "-a" "37eaedc45f5ead2852dcee4b2bec99c21e338d569dd69957e5508afd2c65f3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling redis v0.7.1
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.3
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling r2d2 v0.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling num v0.1.36
[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-1.4.0/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]    Compiling chrono v0.2.25
[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/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.build_script_build.54hp6gly-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a" "/opt/rustwide/target/debug/build/openssl-sys-6a0545c48ced8d0a/build_script_build-6a0545c48ced8d0a.4uf7u49fwnbg7mjl.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-642675a198fb8a05.rlib" "/opt/rustwide/target/debug/deps/libtoml-0122a6f963d436a4.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-3dff156404b9c5d6.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-da1e5a6bc43a76ae.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-d070a55c11bc345d.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-6cf3bd03e08f1abc.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-4b52f0c0ec6272f6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-03a1101579ae234e.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-8125723676ab7d1d.rlib" "/opt/rustwide/target/debug/deps/libwinapi-f315fac9f78c00fb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-357e0cd2dff55d80.rlib" "/opt/rustwide/target/debug/deps/liblibc-828489f84bacaba4.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-d070a55c11bc345d.rlib(backtrace-d070a55c11bc345d.backtrace.3mlzvekk-cgu.13.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-d070a55c11bc345d.rlib(backtrace-d070a55c11bc345d.backtrace.3mlzvekk-cgu.13.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" "37eaedc45f5ead2852dcee4b2bec99c21e338d569dd69957e5508afd2c65f3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eaedc45f5ead2852dcee4b2bec99c21e338d569dd69957e5508afd2c65f3c2", kill_on_drop: false }`
[INFO] [stdout] 37eaedc45f5ead2852dcee4b2bec99c21e338d569dd69957e5508afd2c65f3c2