[INFO] updating cached repository https://github.com/forestbelton/plank [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 02b579d64dbfe520cf9c2affb06f0ce04a93ff62 [INFO] checking forestbelton/plank against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforestbelton%2Fplank" "work/builds/worker-5/source"` [INFO] [stderr] Cloning into 'work/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/forestbelton/plank on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/forestbelton/plank [INFO] finished tweaking git repo https://github.com/forestbelton/plank [INFO] tweaked toml for git repo https://github.com/forestbelton/plank written to work/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/forestbelton/plank already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2aedc807d9bde6941c58e65b096bb441ddea5e0294255d258db545805266c27a [INFO] running `"docker" "start" "-a" "2aedc807d9bde6941c58e65b096bb441ddea5e0294255d258db545805266c27a"` [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Compiling gcc v0.3.51 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking dtoa v0.2.2 [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Compiling rustc-demangle v0.1.4 [INFO] [stderr] Checking itoa v0.1.1 [INFO] [stderr] Compiling serde v1.0.10 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Checking buf_redux v0.3.0 [INFO] [stderr] Checking sequence_trie v0.2.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling libsqlite3-sys v0.8.1 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-complex v0.1.39 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking fern v0.4.0 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking scheduled-thread-pool v0.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.11 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Checking r2d2 v0.7.3 [INFO] [stderr] Checking tempdir v0.3.5 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] warning[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] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking serde_json v1.0.2 [INFO] [stderr] Checking envy v0.3.1 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking hyper v0.10.12 [INFO] [stderr] Compiling mime_guess v1.8.1 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Checking diesel v0.14.1 [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-132eafe571a46c63/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" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5558c0235aa4 - backtrace::backtrace::libunwind::trace::h3c0a6ef922927c46 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5558c0235aa4 - backtrace::backtrace::trace_unsynchronized::h35d4e03c0e8ab47a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5558c0235aa4 - std::sys_common::backtrace::_print_fmt::hf04e228d9456a61b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x5558c0235aa4 - ::fmt::hfbc1dc77dae53d09 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x5558c024f00c - core::fmt::write::h37dd608a61cc034b [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x5558c02342b7 - std::io::Write::write_fmt::h3b9053b7f45f25c3 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x5558c0237e25 - std::sys_common::backtrace::_print::h9f196a8ab349c245 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x5558c0237e25 - std::sys_common::backtrace::print::h24c97bdb42c9567f [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5558c0237e25 - std::panicking::default_hook::{{closure}}::h1bfa21bfab63e40f [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x5558c0237b16 - std::panicking::default_hook::hf7ab6a844228b0c0 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5558c0238475 - std::panicking::rust_panic_with_hook::hf49dbf6343540046 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x5558c0238012 - std::panicking::continue_panic_fmt::h8d0c09641c4ad511 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x5558c0237f06 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x5558c024c9da - core::panicking::panic_fmt::h3cbe072dbfab6db9 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x5558c024cad7 - core::result::unwrap_failed::hb6a3e335758ca63f [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x5558c01fd450 - core::result::Result::unwrap::h7fe4df3eabc12899 [INFO] [stderr] at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x5558c01ff0f5 - build_script_gen_mime_types::main::h48f86081acfc0d33 [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] 17: 0x5558c0210060 - std::rt::lang_start::{{closure}}::hd70cbf8556a9156a [INFO] [stderr] at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x5558c0237ef3 - std::rt::lang_start_internal::{{closure}}::he5fcc75ec165f647 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x5558c0237ef3 - std::panicking::try::do_call::h17d15f6f56248700 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x5558c0239e0a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x5558c023896d - std::panicking::try::h788d6f62571352f2 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x5558c023896d - std::panic::catch_unwind::h118eae3cc66185af [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5558c023896d - std::rt::lang_start_internal::h16dc6aaaeba64bf8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x5558c0210039 - std::rt::lang_start::h188152866b55a2e4 [INFO] [stderr] at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x5558c020067a - main [INFO] [stderr] 26: 0x7f0d78759b97 - __libc_start_main [INFO] [stderr] 27: 0x5558c01d59da - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "2aedc807d9bde6941c58e65b096bb441ddea5e0294255d258db545805266c27a"` [INFO] running `"docker" "rm" "-f" "2aedc807d9bde6941c58e65b096bb441ddea5e0294255d258db545805266c27a"` [INFO] [stdout] 2aedc807d9bde6941c58e65b096bb441ddea5e0294255d258db545805266c27a