[INFO] updating cached repository https://github.com/ruscur/swagladder
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bcfc3f7a832337e805998e3d8911c3718b2d8b9e
[INFO] checking ruscur/swagladder against master#0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf for pr-71814
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruscur%2Fswagladder" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruscur/swagladder on toolchain 0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ruscur/swagladder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ea54fa94c810e7e289cf74f4203218cd2567651b7d84bbf9db8dbc1b704ab46
[INFO] running `"docker" "start" "-a" "4ea54fa94c810e7e289cf74f4203218cd2567651b7d84bbf9db8dbc1b704ab46"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling redis v0.7.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]    Compiling hyper v0.10.3
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking r2d2 v0.7.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-1fa8d56203b515a6/build-script-gen_mime_types` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22:38
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a364317fa4 - backtrace::backtrace::libunwind::trace::hfcd33194db0151d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a364317fa4 - backtrace::backtrace::trace_unsynchronized::hfd1904bbbd5335b5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a364317fa4 - std::sys_common::backtrace::_print_fmt::h8476c57b177b254e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a364317fa4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h73acbc5f6d4b1044
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a36433603c - core::fmt::write::hdf236390fbd68d3d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55a364316793 - std::io::Write::write_fmt::h5722fa40bb2afafd
[INFO] [stderr]                                at src/libstd/io/mod.rs:1532
[INFO] [stderr]    6:     0x55a36431a545 - std::sys_common::backtrace::_print::ha468e873aada7c78
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a36431a545 - std::sys_common::backtrace::print::h149365a2f029de62
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a36431a545 - std::panicking::default_hook::{{closure}}::hb4a33f9e05934a52
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a36431a282 - std::panicking::default_hook::hc4535d7b0c743abd
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a36431ab52 - std::panicking::rust_panic_with_hook::haa34a96a6dbd5a2e
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x55a36431a73b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   12:     0x55a364335421 - core::panicking::panic_fmt::hd101a87121fa411f
[INFO] [stderr]                                at src/libcore/panicking.rs:89
[INFO] [stderr]   13:     0x55a364335243 - core::option::expect_none_failed::h4f0e89faa3179bf7
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x55a3643048eb - core::result::Result<T,E>::unwrap::hf59d22a68c07fb6e
[INFO] [stderr]                                at /rustc/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x55a3642dee0f - build_script_gen_mime_types::main::h4c2541f421219bd9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22
[INFO] [stderr]   16:     0x55a3642dd4cb - std::rt::lang_start::{{closure}}::haa3cf51cea5103c6
[INFO] [stderr]                                at /rustc/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55a36431af98 - std::rt::lang_start_internal::{{closure}}::h8ee41efd8ae7ff76
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55a36431af98 - std::panicking::try::do_call::h0a4c4514ee6ebbfc
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x55a36431af98 - std::panicking::try::h7c2f3858e42d7516
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55a36431af98 - std::panic::catch_unwind::h76c4030fa5655c1e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55a36431af98 - std::rt::lang_start_internal::h1c1398259f72ace6
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55a3642dd4a7 - std::rt::lang_start::h3b584c1ce688d5ed
[INFO] [stderr]                                at /rustc/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55a3642e036a - main
[INFO] [stderr]   24:     0x7f07e98fd0b3 - __libc_start_main
[INFO] [stderr]   25:     0x55a3642c117e - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.1.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.10.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.11.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.12.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.13.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.14.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.15.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.2.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.3.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.4.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.5.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.6.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.7.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.8.rcgu.o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.build_script_build.pysouvtt-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057" "/opt/rustwide/target/debug/build/openssl-sys-80b1cb74a0625057/build_script_build-80b1cb74a0625057.3xav7114i6xgzfhd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmetadeps-76824ea47eba6cb2.rlib" "/opt/rustwide/target/debug/deps/libtoml-b99c7802ffd95e8d.rlib" "/opt/rustwide/target/debug/deps/libpkg_config-dbec9f604d20fddb.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-9a0f1eead60807d7.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-4dd543433854e0dc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-27872d96b7df5900.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-032e8deda3d1ae1a.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3fc688139546cad7.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-2e7e64bf69889b18.rlib" "/opt/rustwide/target/debug/deps/libwinapi-7bb0c4db0a257e6c.rlib" "/opt/rustwide/target/debug/deps/libkernel32-2a88380f4928b946.rlib" "/opt/rustwide/target/debug/deps/liblibc-74f7f95554019b3d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7d65a344221c409b.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-54df1a0c3024f5bd.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-bb312de2a5d7d307.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-60c21d234379de22.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-045480d965da2c45.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8ec1303a38498da9.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-18658537df359212.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b87be9f0e57bd4bf.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-3a677d13d4ec517d.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac41f78688451395.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f11f1597d535049a.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-428d15b56101bdc7.rlib" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-941f7f6bc622e313.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e77b8f5da9460407.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-4dd543433854e0dc.rlib(backtrace-4dd543433854e0dc.backtrace.dg9ewu69-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /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] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-4dd543433854e0dc.rlib(backtrace-4dd543433854e0dc.backtrace.dg9ewu69-cgu.14.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /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] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[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] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4ea54fa94c810e7e289cf74f4203218cd2567651b7d84bbf9db8dbc1b704ab46"`
[INFO] running `"docker" "rm" "-f" "4ea54fa94c810e7e289cf74f4203218cd2567651b7d84bbf9db8dbc1b704ab46"`
[INFO] [stdout] 4ea54fa94c810e7e289cf74f4203218cd2567651b7d84bbf9db8dbc1b704ab46