[INFO] cloning repository https://github.com/calebsauder/caleb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebsauder/caleb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebsauder%2Fcaleb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebsauder%2Fcaleb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1fcdc1b1c591a9f7106bf33e41f2b86d229e03a1 [INFO] checking calebsauder/caleb against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebsauder%2Fcaleb" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/calebsauder/caleb on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/calebsauder/caleb [INFO] finished tweaking git repo https://github.com/calebsauder/caleb [INFO] tweaked toml for git repo https://github.com/calebsauder/caleb written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/calebsauder/caleb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libdbus-sys v0.1.2 [INFO] [stderr] Downloaded network-manager v0.9.0 [INFO] [stderr] Downloaded dbus v0.5.4 [INFO] [stderr] Downloaded sequence_trie v0.3.5 [INFO] [stderr] Downloaded iron-cors v0.7.0 [INFO] [stderr] Downloaded ascii v0.8.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b25016b76b1dbc903c712b1b51e0e6adce95b94034592eb387c83c1bc6fe209e [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" "b25016b76b1dbc903c712b1b51e0e6adce95b94034592eb387c83c1bc6fe209e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b25016b76b1dbc903c712b1b51e0e6adce95b94034592eb387c83c1bc6fe209e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b25016b76b1dbc903c712b1b51e0e6adce95b94034592eb387c83c1bc6fe209e", kill_on_drop: false }` [INFO] [stdout] b25016b76b1dbc903c712b1b51e0e6adce95b94034592eb387c83c1bc6fe209e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5c40f9ef231a30e5353797d7ff7f27f5b6e29b0b5041fbf9007bc6409da0b53 [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" "d5c40f9ef231a30e5353797d7ff7f27f5b6e29b0b5041fbf9007bc6409da0b53", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking matches v0.1.6 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.5 [INFO] [stderr] Checking httparse v1.2.4 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking futures v0.1.18 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking sequence_trie v0.3.5 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ascii v0.8.6 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking route-recognizer v0.1.12 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Checking buf_redux v0.6.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Compiling libdbus-sys v0.1.2 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Checking dbus v0.5.4 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-complex v0.1.42 [INFO] [stderr] Checking env_logger v0.4.3 [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-d4245be62599c342/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-1.8.3/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55db8400d8a0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55db8400d8a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55db8400d8a0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55db8400d8a0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55db840266ac - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x55db8400c0f2 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x55db8400f9ed - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55db8400f9ed - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55db8400f9ed - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x55db8400f698 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x55db840100d1 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x55db8400fc79 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x55db8400dd2c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55db8400fc39 - rust_begin_unwind [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x55db840259d1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55db840257f3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/option.rs:1234 [INFO] [stderr] 16: 0x55db83fd2d8b - core::result::Result::unwrap::hbe0856fb77a8636c [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x55db83fc7e2f - build_script_gen_mime_types::main::h5c96677903eb8224 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22 [INFO] [stderr] 18: 0x55db83fc5f4b - core::ops::function::FnOnce::call_once::ha25c742c791b90c2 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x55db83fcfbfe - std::sys_common::backtrace::__rust_begin_short_backtrace::h79b91f7a4a60562d [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55db83fcfcf1 - std::rt::lang_start::{{closure}}::hdc30e0d6ecef74a7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55db840104f7 - core::ops::function::impls:: for &F>::call_once::h5e15f43ce28787f7 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x55db840104f7 - std::panicking::try::do_call::h764f1891769113e9 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x55db840104f7 - std::panicking::try::h0f2fe4fdd5e0ad19 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x55db840104f7 - std::panic::catch_unwind::h1634e40dd3a19f80 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x55db840104f7 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55db83fcfcc7 - std::rt::lang_start::h58d92f70da6da4e3 [INFO] [stderr] at /rustc/894d32a5432c6a6461bb2aac7c3d5f2e87dce83f/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55db83fc94aa - main [INFO] [stderr] 28: 0x7f722ac220b3 - __libc_start_main [INFO] [stderr] 29: 0x55db83fb30ae - _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-1.7.0/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] [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" "d5c40f9ef231a30e5353797d7ff7f27f5b6e29b0b5041fbf9007bc6409da0b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5c40f9ef231a30e5353797d7ff7f27f5b6e29b0b5041fbf9007bc6409da0b53", kill_on_drop: false }` [INFO] [stdout] d5c40f9ef231a30e5353797d7ff7f27f5b6e29b0b5041fbf9007bc6409da0b53