[INFO] cloning repository https://github.com/4superu/rust_iron [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4superu/rust_iron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4superu%2Frust_iron", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4superu%2Frust_iron'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 382993ea0a05f7551d0581fab56d3b9b5e073938 [INFO] testing 4superu/rust_iron against master#d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d for pr-83796 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4superu%2Frust_iron" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/4superu/rust_iron on toolchain d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/4superu/rust_iron [INFO] finished tweaking git repo https://github.com/4superu/rust_iron [INFO] tweaked toml for git repo https://github.com/4superu/rust_iron written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/4superu/rust_iron already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "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] e9c6fe1f36f073bc84999a62c0a08127cf589198b00b0f7f2113dc1740dec330 [INFO] running `Command { std: "docker" "start" "-a" "e9c6fe1f36f073bc84999a62c0a08127cf589198b00b0f7f2113dc1740dec330", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9c6fe1f36f073bc84999a62c0a08127cf589198b00b0f7f2113dc1740dec330", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9c6fe1f36f073bc84999a62c0a08127cf589198b00b0f7f2113dc1740dec330", kill_on_drop: false }` [INFO] [stdout] e9c6fe1f36f073bc84999a62c0a08127cf589198b00b0f7f2113dc1740dec330 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d" "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] 86608ef14eb6b40572d31cdc8732ada9bd0f95f8dfc8f624234bb39e724ec914 [INFO] running `Command { std: "docker" "start" "-a" "86608ef14eb6b40572d31cdc8732ada9bd0f95f8dfc8f624234bb39e724ec914", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling unicode-normalization v0.1.5 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling percent-encoding v1.0.0 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Compiling byteorder v1.1.0 [INFO] [stderr] Compiling httparse v1.2.3 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling itoa v0.3.3 [INFO] [stderr] Compiling serde v1.0.11 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling quick-error v1.2.0 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling buf_redux v0.3.0 [INFO] [stderr] Compiling route-recognizer v0.1.12 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling conduit-mime-types v0.7.3 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling serde_json v0.8.6 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling libsqlite3-sys v0.8.1 [INFO] [stderr] Compiling mime_guess v1.8.2 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling url v1.5.1 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-d6cd45a93401243e/build-script-gen_mime_types` (exit status: 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-1.8.2/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556db82a4ad0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x556db82a4ad0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556db82a4ad0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556db82a4ad0 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556db82bef6f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x556db82a33a5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x556db82a65fb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556db82a65fb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556db82a65fb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556db82a60dd - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x556db82a6bad - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x556db82a67a7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x556db82a4f8c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556db82a6709 - rust_begin_unwind [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x556db8250ec1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x556db8250f53 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x556db8264f0a - core::result::Result::unwrap::habb30c935487c214 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x556db828b88b - build_script_gen_mime_types::main::h461a173023980fa1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22:38 [INFO] [stderr] 18: 0x556db826799b - core::ops::function::FnOnce::call_once::hc520bc565ecb1b1b [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x556db827e83e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0678cd5373eb069a [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556db8264211 - std::rt::lang_start::{{closure}}::h54091a3f39458dd9 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x556db82a6faa - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x556db82a6faa - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x556db82a6faa - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x556db82a6faa - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x556db82a6faa - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x556db82641f0 - std::rt::lang_start::hf00a4841a5357ddf [INFO] [stderr] at /rustc/d408fdd4a82bc3e7ea61dd81bc9a8781b2bf939d/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x556db828cf6c - main [INFO] [stderr] 28: 0x7f1b894ea0b3 - __libc_start_main [INFO] [stderr] 29: 0x556db82515be - _start [INFO] [stderr] 30: 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" "86608ef14eb6b40572d31cdc8732ada9bd0f95f8dfc8f624234bb39e724ec914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86608ef14eb6b40572d31cdc8732ada9bd0f95f8dfc8f624234bb39e724ec914", kill_on_drop: false }` [INFO] [stdout] 86608ef14eb6b40572d31cdc8732ada9bd0f95f8dfc8f624234bb39e724ec914