[INFO] cloning repository https://github.com/chaserx/upper_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chaserx/upper_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaserx%2Fupper_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaserx%2Fupper_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76d345551b0f61e9f5b657ec6f62731df47809a0 [INFO] checking chaserx/upper_rust against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaserx%2Fupper_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chaserx/upper_rust on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chaserx/upper_rust [INFO] finished tweaking git repo https://github.com/chaserx/upper_rust [INFO] tweaked toml for git repo https://github.com/chaserx/upper_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/chaserx/upper_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-demangle v0.1.5 [INFO] [stderr] Downloaded futures-cpupool v0.1.7 [INFO] [stderr] Downloaded scoped-tls v0.1.0 [INFO] [stderr] Downloaded net2 v0.2.31 [INFO] [stderr] Downloaded tokio-io v0.1.3 [INFO] [stderr] Downloaded tokio-tls v0.1.3 [INFO] [stderr] Downloaded native-tls v0.1.4 [INFO] [stderr] Downloaded schannel v0.1.8 [INFO] [stderr] Downloaded iovec v0.1.1 [INFO] [stderr] Downloaded vcpkg v0.2.2 [INFO] [stderr] Downloaded hyper v0.11.6 [INFO] [stderr] Downloaded libflate v0.1.12 [INFO] [stderr] Downloaded phf v0.7.21 [INFO] [stderr] Downloaded hyper-tls v0.1.2 [INFO] [stderr] Downloaded mime_guess v2.0.0-alpha.2 [INFO] [stderr] Downloaded serde v1.0.16 [INFO] [stderr] Downloaded cc v1.0.3 [INFO] [stderr] Downloaded openssl v0.9.20 [INFO] [stderr] Downloaded openssl-sys v0.9.20 [INFO] [stderr] Downloaded lazy_static v0.2.9 [INFO] [stderr] Downloaded tokio-core v0.1.10 [INFO] [stderr] Downloaded bytes v0.4.5 [INFO] [stderr] Downloaded crc v1.5.0 [INFO] [stderr] Downloaded build_const v0.2.0 [INFO] [stderr] Downloaded rand v0.3.17 [INFO] [stderr] Downloaded crc-core v0.1.0 [INFO] [stderr] Downloaded percent-encoding v1.0.0 [INFO] [stderr] Downloaded libc v0.2.33 [INFO] [stderr] Downloaded siphasher v0.2.2 [INFO] [stderr] Downloaded unicase v2.0.0 [INFO] [stderr] Downloaded relay v0.1.0 [INFO] [stderr] Downloaded url v1.5.1 [INFO] [stderr] Downloaded backtrace v0.3.3 [INFO] [stderr] Downloaded phf_generator v0.7.21 [INFO] [stderr] Downloaded dbghelp-sys v0.2.0 [INFO] [stderr] Downloaded phf_shared v0.7.21 [INFO] [stderr] Downloaded phf_codegen v0.7.21 [INFO] [stderr] Downloaded lazycell v0.5.1 [INFO] [stderr] Downloaded mio v0.6.11 [INFO] [stderr] Downloaded futures v0.1.16 [INFO] [stderr] Downloaded httparse v1.2.3 [INFO] [stderr] Downloaded reqwest v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0aa22b80cde90871cf6d80da82ede7783fd88e7a52bfd91d1dbe64a90df384c2 [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" "0aa22b80cde90871cf6d80da82ede7783fd88e7a52bfd91d1dbe64a90df384c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0aa22b80cde90871cf6d80da82ede7783fd88e7a52bfd91d1dbe64a90df384c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0aa22b80cde90871cf6d80da82ede7783fd88e7a52bfd91d1dbe64a90df384c2", kill_on_drop: false }` [INFO] [stdout] 0aa22b80cde90871cf6d80da82ede7783fd88e7a52bfd91d1dbe64a90df384c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70b5b8c3499964ac4cbd82bb65839d935fa2998480ec917c2b7c6a0d572ba148 [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" "70b5b8c3499964ac4cbd82bb65839d935fa2998480ec917c2b7c6a0d572ba148", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking foreign-types v0.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking serde v1.0.16 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.2 [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-9e0a43b207289815/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: 0x55bbd36ace27 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55bbd36ace27 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55bbd36ace27 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55bbd36ace27 - ::fmt::h04bea14549780a0f [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55bbd36c3f4c - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/fmt/mod.rs:1096:17 [INFO] [stderr] 5: 0x55bbd36ab092 - std::io::Write::write_fmt::h55dd75636eef6a5c [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x55bbd36aeb55 - std::sys_common::backtrace::_print::h6439e8525077c7da [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55bbd36aeb55 - std::sys_common::backtrace::print::h02b685f728ce3931 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55bbd36aeb55 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55bbd36ae6b3 - std::panicking::default_hook::hba441710bb71f4d5 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55bbd36af2f1 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55bbd36aee37 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55bbd36ad2ec - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55bbd36aed99 - rust_begin_unwind [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55bbd36c3321 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55bbd36c3143 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/option.rs:1266:5 [INFO] [stderr] 16: 0x55bbd36724bb - core::result::Result::unwrap::h975c2e19e795e1ec [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/result.rs:969:23 [INFO] [stderr] 17: 0x55bbd3668f01 - build_script_gen_mime_types::main::h6794b875eff49c82 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22:38 [INFO] [stderr] 18: 0x55bbd366ae4b - core::ops::function::FnOnce::call_once::h21b5cb1c4056fe44 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55bbd36884de - std::sys_common::backtrace::__rust_begin_short_backtrace::h20a279be6cc9e987 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55bbd366a861 - std::rt::lang_start::{{closure}}::he7953dda4b7ca9e0 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55bbd36af717 - core::ops::function::impls:: for &F>::call_once::h7c92107c3c98a949 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55bbd36af717 - std::panicking::try::do_call::h7454c57e8fbf0cc1 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55bbd36af717 - std::panicking::try::he71cdc15ed83b5ec [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55bbd36af717 - std::panic::catch_unwind::hfc08ddb043e6e18c [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55bbd36af717 - std::rt::lang_start_internal::he4958117ec6901fd [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55bbd366a837 - std::rt::lang_start::h30d8a0e8b57019c4 [INFO] [stderr] at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55bbd366a57a - main [INFO] [stderr] 28: 0x7f281e6810b3 - __libc_start_main [INFO] [stderr] 29: 0x55bbd36510ae - _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" "70b5b8c3499964ac4cbd82bb65839d935fa2998480ec917c2b7c6a0d572ba148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70b5b8c3499964ac4cbd82bb65839d935fa2998480ec917c2b7c6a0d572ba148", kill_on_drop: false }` [INFO] [stdout] 70b5b8c3499964ac4cbd82bb65839d935fa2998480ec917c2b7c6a0d572ba148