[INFO] cloning repository https://github.com/jonfk/dropbox_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonfk/dropbox_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonfk%2Fdropbox_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonfk%2Fdropbox_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5bdda0f3f59196a68ed39de056a6bd0ceefb1d8f [INFO] checking jonfk/dropbox_rs against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonfk%2Fdropbox_rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonfk/dropbox_rs on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonfk/dropbox_rs [INFO] finished tweaking git repo https://github.com/jonfk/dropbox_rs [INFO] tweaked toml for git repo https://github.com/jonfk/dropbox_rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jonfk/dropbox_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ade2105ab9d056983310e01caa7900265d99ec52c253292cc21e283f7f8668d [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" "6ade2105ab9d056983310e01caa7900265d99ec52c253292cc21e283f7f8668d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ade2105ab9d056983310e01caa7900265d99ec52c253292cc21e283f7f8668d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ade2105ab9d056983310e01caa7900265d99ec52c253292cc21e283f7f8668d", kill_on_drop: false }` [INFO] [stdout] 6ade2105ab9d056983310e01caa7900265d99ec52c253292cc21e283f7f8668d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7c779aeed58275b7ebe19ea31097a97d131284785cc9f71ea331e40c3f706b9 [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" "b7c779aeed58275b7ebe19ea31097a97d131284785cc9f71ea331e40c3f706b9", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.31 [INFO] [stderr] Compiling cc v1.0.0 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Compiling openssl v0.9.19 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking foreign-types v0.2.0 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking smallvec v0.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Checking serde v1.0.15 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking libflate v0.1.11 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling openssl-sys v0.9.19 [INFO] [stderr] Compiling backtrace-sys v0.1.14 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking mime v0.3.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.2 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.6 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Checking tokio-core v0.1.9 [INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-eda3f00062107a1f/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-2.0.0-alpha.2/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55920add76a5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55920add76a5 - backtrace::backtrace::trace_unsynchronized::hc29c6e6df26d44d7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55920add76a5 - std::sys_common::backtrace::_print_fmt::h4c9f4993b039bd03 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55920add76a5 - ::fmt::h91f5cfffa0da5a7a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55920adf501c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55920add5d62 - std::io::Write::write_fmt::h5e28da8ce574bfe8 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55920add9ae0 - std::sys_common::backtrace::_print::h0ceef71d03fb70bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55920add9ae0 - std::sys_common::backtrace::print::h1bacb65357a70fca [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55920add9ae0 - std::panicking::default_hook::{{closure}}::h249639eade443064 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55920add982c - std::panicking::default_hook::hbe64ddeb621910df [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55920adda123 - std::panicking::rust_panic_with_hook::h16376479909ace6a [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55920add9d1b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x55920adf4421 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55920adf4243 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x55920adb894b - core::result::Result::unwrap::h8a72baa706c90e75 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55920ad9f30f - build_script_gen_mime_types::main::h11bab65457c8b236 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22 [INFO] [stderr] 16: 0x55920ad9b5bb - std::rt::lang_start::{{closure}}::h3803efdee1848216 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55920adda4f3 - std::rt::lang_start_internal::{{closure}}::h6d7ca43fc52cff4a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55920adda4f3 - std::panicking::try::do_call::h89610ba8f4fbfe54 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x55920adda4f3 - std::panicking::try::h69595087e4498dc2 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x55920adda4f3 - std::panic::catch_unwind::ha2aa2ebd78a46e0d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55920adda4f3 - std::rt::lang_start_internal::h2ae59503bb8c048c [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55920ad9b597 - std::rt::lang_start::hc9ef88ca58a6ad46 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55920ada083a - main [INFO] [stderr] 24: 0x7ff8a8cc80b3 - __libc_start_main [INFO] [stderr] 25: 0x55920ad8917e - _start [INFO] [stderr] 26: 0x0 - [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stdout] | [INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stdout] 251 | 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" "b7c779aeed58275b7ebe19ea31097a97d131284785cc9f71ea331e40c3f706b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c779aeed58275b7ebe19ea31097a97d131284785cc9f71ea331e40c3f706b9", kill_on_drop: false }` [INFO] [stdout] b7c779aeed58275b7ebe19ea31097a97d131284785cc9f71ea331e40c3f706b9