[INFO] cloning repository https://github.com/tiziano88/home-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiziano88/home-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fhome-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fhome-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c69ec8ae7b3b9b0dc6d10a36e2e33875e23dcd18
[INFO] documenting tiziano88/home-rs against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fhome-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiziano88/home-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/tiziano88/home-rs
[INFO] finished tweaking git repo https://github.com/tiziano88/home-rs
[INFO] tweaked toml for git repo https://github.com/tiziano88/home-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tiziano88/home-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded params v0.6.0
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded multipart v0.8.1
[INFO] [stderr]   Downloaded hyper v0.10.10
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded persistent v0.3.0
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded buf_redux v0.3.0
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] [stderr]   Downloaded urlencoded v0.5.0
[INFO] [stderr]   Downloaded router v0.5.1
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded idna v0.1.1
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded bodyparser v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60350480bcd9b1f3ebb2baf749dfc46bf2e7495a3c956c4599d5411b6a44dd27
[INFO] running `Command { std: "docker" "start" "-a" "60350480bcd9b1f3ebb2baf749dfc46bf2e7495a3c956c4599d5411b6a44dd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60350480bcd9b1f3ebb2baf749dfc46bf2e7495a3c956c4599d5411b6a44dd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60350480bcd9b1f3ebb2baf749dfc46bf2e7495a3c956c4599d5411b6a44dd27", kill_on_drop: false }`
[INFO] [stdout] 60350480bcd9b1f3ebb2baf749dfc46bf2e7495a3c956c4599d5411b6a44dd27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63339faff0b0e8a92425f22d572bdd5e58bfa494868d879a7b40263e82ce4e5e
[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" "63339faff0b0e8a92425f22d572bdd5e58bfa494868d879a7b40263e82ce4e5e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking buf_redux v0.3.0
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking serde_json v0.8.6
[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-fe50ed6b14db7c6b/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:22:67
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556ca099cbd0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x556ca099cbd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x556ca099cbd0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x556ca099cbd0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x556ca09b587c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x556ca099b2a2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x556ca099ecfd - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x556ca099ecfd - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x556ca099ecfd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x556ca099e9a8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x556ca099f381 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x556ca099ef29 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x556ca099d05c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x556ca099eee9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x556ca09b4b91 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x556ca09b49b3 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x556ca096503b - core::result::Result<T,E>::unwrap::hf8525fb61d7436c3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x556ca0959d3f - build_script_gen_mime_types::main::hb034855017c54a56
[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]     18:     0x556ca095bc7b - core::ops::function::FnOnce::call_once::h434d38ac7ce43199
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x556ca097faae - std::sys_common::backtrace::__rust_begin_short_backtrace::h1d8457e082376698
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x556ca095b6a1 - std::rt::lang_start::{{closure}}::h828cbff595953f4d
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x556ca099f7a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x556ca099f7a7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x556ca099f7a7 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x556ca099f7a7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x556ca099f7a7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x556ca095b677 - std::rt::lang_start::h9a3eec06ccccb002
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x556ca095b3ba - main
[INFO] [stderr]     28:     0x7f613f0160b3 - __libc_start_main
[INFO] [stderr]     29:     0x556ca09460ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "63339faff0b0e8a92425f22d572bdd5e58bfa494868d879a7b40263e82ce4e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63339faff0b0e8a92425f22d572bdd5e58bfa494868d879a7b40263e82ce4e5e", kill_on_drop: false }`
[INFO] [stdout] 63339faff0b0e8a92425f22d572bdd5e58bfa494868d879a7b40263e82ce4e5e
