[INFO] cloning repository https://github.com/steinfletcher/rust-play [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steinfletcher/rust-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinfletcher%2Frust-play", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinfletcher%2Frust-play'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8fe3f131dbf4ee08780a3fb51f8fdfa92230f47 [INFO] testing steinfletcher/rust-play against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteinfletcher%2Frust-play" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steinfletcher/rust-play on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/steinfletcher/rust-play [INFO] finished tweaking git repo https://github.com/steinfletcher/rust-play [INFO] tweaked toml for git repo https://github.com/steinfletcher/rust-play written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/steinfletcher/rust-play already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99dafc7dc1733d7bf30d03582064567da51ef67818b8d6b2b66cc4f7cb9537ac [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" "99dafc7dc1733d7bf30d03582064567da51ef67818b8d6b2b66cc4f7cb9537ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99dafc7dc1733d7bf30d03582064567da51ef67818b8d6b2b66cc4f7cb9537ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99dafc7dc1733d7bf30d03582064567da51ef67818b8d6b2b66cc4f7cb9537ac", kill_on_drop: false }` [INFO] [stdout] 99dafc7dc1733d7bf30d03582064567da51ef67818b8d6b2b66cc4f7cb9537ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25316224370e0e94be1b8f280bbfba6649de9e677ffc18d88051006654dbf600 [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" "25316224370e0e94be1b8f280bbfba6649de9e677ffc18d88051006654dbf600", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling unicode-normalization v0.1.5 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Compiling url v1.6.0 [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-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stdout] | [INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stdout] 261 | 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] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-a4184e20cfd77f8c/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: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55978eb069cc - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x55978eb069cc - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55978eb069cc - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55978eb069cc - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55978eb2102c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x55978eb043c5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x55978eb07fd0 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55978eb07fd0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55978eb07fd0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x55978eb07b7b - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x55978eb08684 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x55978eb08160 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x55978eb06e84 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x55978eb080c9 - rust_begin_unwind [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x55978eaabdb1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x55978eaabe43 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x55978eadee8d - core::result::Result::unwrap::h1a6a31f3d987dbc8 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x55978eacfe9b - build_script_gen_mime_types::main::h6f6fd373a04d892a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22:38 [INFO] [stderr] 18: 0x55978eadd28b - core::ops::function::FnOnce::call_once::hd0c4d35377245d3a [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55978eac0afe - std::sys_common::backtrace::__rust_begin_short_backtrace::h8cba58d747b66e79 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x55978eaeb351 - std::rt::lang_start::{{closure}}::h368a5c446e9f7734 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x55978eb06211 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55978eb06211 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x55978eb06211 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x55978eb06211 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x55978eb06211 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x55978eb06211 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x55978eb06211 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x55978eb06211 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x55978eb06211 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x55978eaeb320 - std::rt::lang_start::h9a745eb8d6dc4cb2 [INFO] [stderr] at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x55978ead150c - main [INFO] [stderr] 32: 0x7f443b7060b3 - __libc_start_main [INFO] [stderr] 33: 0x55978eaac4ce - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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" "25316224370e0e94be1b8f280bbfba6649de9e677ffc18d88051006654dbf600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25316224370e0e94be1b8f280bbfba6649de9e677ffc18d88051006654dbf600", kill_on_drop: false }` [INFO] [stdout] 25316224370e0e94be1b8f280bbfba6649de9e677ffc18d88051006654dbf600