[INFO] updating cached repository https://github.com/stpettersens/robots [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] f79ff17cc5fc7a64a1578f572bed5f4a1ffecb85 [INFO] checking stpettersens/robots against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstpettersens%2Frobots" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stpettersens/robots on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/stpettersens/robots [INFO] finished tweaking git repo https://github.com/stpettersens/robots [INFO] tweaked toml for git repo https://github.com/stpettersens/robots written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/stpettersens/robots already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 6387aac133206b490af2cc0c72761c42766366edfe1dcc9cbebb65b57c03ed5f [INFO] running `"docker" "start" "-a" "6387aac133206b490af2cc0c72761c42766366edfe1dcc9cbebb65b57c03ed5f"` [INFO] [stderr] Checking libc v0.2.26 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Compiling gcc v0.3.51 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking dtoa v0.2.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking buf_redux v0.3.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking error v0.1.9 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling sqlite3-src v0.2.7 [INFO] [stderr] Checking phf_shared v0.7.21 [INFO] [stderr] Checking sqlite3-sys v0.12.0 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking sqlite v0.23.4 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Checking url v1.5.1 [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-03669110ce46a1a2/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: 0x555bf8d57bd4 - backtrace::backtrace::libunwind::trace::hb657e419eb382f5a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x555bf8d57bd4 - backtrace::backtrace::trace_unsynchronized::h63de2160a81d17d0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x555bf8d57bd4 - std::sys_common::backtrace::_print_fmt::hc542595b8774416c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x555bf8d57bd4 - ::fmt::h8b5627db94fbf233 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x555bf8d7615c - core::fmt::write::h7b159f05674a9488 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x555bf8d563c3 - std::io::Write::write_fmt::h8379227660cddc2e [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x555bf8d5a175 - std::sys_common::backtrace::_print::hb3b286bfcc94e0bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x555bf8d5a175 - std::sys_common::backtrace::print::hd75a13b009bc2bde [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x555bf8d5a175 - std::panicking::default_hook::{{closure}}::h95885250e71c9db2 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x555bf8d59eb2 - std::panicking::default_hook::h9c7a080b2c36bec1 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x555bf8d5a782 - std::panicking::rust_panic_with_hook::h3a55f8a9f7c957a1 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x555bf8d5a36b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x555bf8d75541 - core::panicking::panic_fmt::h245bf339ebbdb26b [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x555bf8d75363 - core::option::expect_none_failed::hd194cd9f972b5e9b [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x555bf8d1733b - core::result::Result::unwrap::h47d6fcdbc91dfa49 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x555bf8d1e82f - build_script_gen_mime_types::main::h3e2667801480e095 [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: 0x555bf8d1c95b - std::rt::lang_start::{{closure}}::h87ab8165453fd279 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x555bf8d5abc8 - std::rt::lang_start_internal::{{closure}}::h976a57c2451b294c [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x555bf8d5abc8 - std::panicking::try::do_call::he5f80a3843ae2933 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x555bf8d5abc8 - std::panicking::try::h3e0cfec6df77fa26 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x555bf8d5abc8 - std::panic::catch_unwind::h6f2dd2e86d8bf8b6 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x555bf8d5abc8 - std::rt::lang_start_internal::hb175d88e70ae7611 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x555bf8d1c937 - std::rt::lang_start::h2f3f247c784d4f4d [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x555bf8d1fd8a - main [INFO] [stderr] 24: 0x7fa2453b7b97 - __libc_start_main [INFO] [stderr] 25: 0x555bf8cff6da - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [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-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | 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" "6387aac133206b490af2cc0c72761c42766366edfe1dcc9cbebb65b57c03ed5f"` [INFO] running `"docker" "rm" "-f" "6387aac133206b490af2cc0c72761c42766366edfe1dcc9cbebb65b57c03ed5f"` [INFO] [stdout] 6387aac133206b490af2cc0c72761c42766366edfe1dcc9cbebb65b57c03ed5f