[INFO] cloning repository https://github.com/tscoville2012/snippits-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tscoville2012/snippits-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftscoville2012%2Fsnippits-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftscoville2012%2Fsnippits-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a9f52d5cc9749abfca015f3ece18a95cce7ba5a
[INFO] documenting tscoville2012/snippits-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%2Ftscoville2012%2Fsnippits-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tscoville2012/snippits-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] started tweaking git repo https://github.com/tscoville2012/snippits-rs
[INFO] finished tweaking git repo https://github.com/tscoville2012/snippits-rs
[INFO] tweaked toml for git repo https://github.com/tscoville2012/snippits-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tscoville2012/snippits-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded smallvec v0.6.1
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded serde_json v1.0.18
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded pear_codegen v0.0.17
[INFO] [stderr]   Downloaded rocket v0.3.11
[INFO] [stderr]   Downloaded proc-macro2 v0.4.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded backtrace v0.3.8
[INFO] [stderr]   Downloaded rocket_codegen v0.3.11
[INFO] [stderr]   Downloaded syn v0.14.1
[INFO] [stderr]   Downloaded rocket_contrib v0.3.11
[INFO] [stderr]   Downloaded serde v1.0.63
[INFO] [stderr]   Downloaded serde_derive v1.0.63
[INFO] [stderr]   Downloaded pear v0.0.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 0fb25c844576429c3cfc6cb625dfb8c6b2c88e4cadca6dc7112173cf327d99e3
[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" "0fb25c844576429c3cfc6cb625dfb8c6b2c88e4cadca6dc7112173cf327d99e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb25c844576429c3cfc6cb625dfb8c6b2c88e4cadca6dc7112173cf327d99e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb25c844576429c3cfc6cb625dfb8c6b2c88e4cadca6dc7112173cf327d99e3", kill_on_drop: false }`
[INFO] [stdout] 0fb25c844576429c3cfc6cb625dfb8c6b2c88e4cadca6dc7112173cf327d99e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 24bd5e0c4d84d90e9ceb1d1e0e5594f8488319ac3a07c259dc3b4a2de01f8588
[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" "24bd5e0c4d84d90e9ceb1d1e0e5594f8488319ac3a07c259dc3b4a2de01f8588", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling serde v1.0.63
[INFO] [stderr]     Checking pear v0.0.17
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling pear_codegen v0.0.17
[INFO] [stderr]    Compiling rocket v0.3.11
[INFO] [stderr]    Compiling rocket_codegen v0.3.11
[INFO] [stderr]     Checking base64 v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking pulldown-cmark v0.0.8
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr] error: failed to run custom build command for `rocket v0.3.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-fe8c0acef467d0fe/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [37mRocket requires a nightly or dev version of Rust.[0m
[INFO] [stderr]   [37mInstalled version is:[0m [33m1.48.0-beta.2 (2020-10-08)[0m. [37mMinimum required:[0m [33m1.27.0-nightly (2018-04-26)[0m.
[INFO] [stderr]   [34mSee the getting started guide ([0m[37mhttps://rocket.rs/guide/getting-started/[0m[34m) for more information.[0m
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.3.11/build.rs:38:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56054d6afe30 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x56054d6afe30 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56054d6afe30 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x56054d6afe30 - <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:     0x56054d6cc8bc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x56054d6ad422 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x56054d6b1f5d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x56054d6b1f5d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x56054d6b1f5d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x56054d6b1c08 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x56054d6b25e1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x56054d680b68 - std::panicking::begin_panic::{{closure}}::he9344ae221d58201
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x56054d67fd78 - std::sys_common::backtrace::__rust_end_short_backtrace::hd1c3d5154a5011e0
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x56054d680a93 - std::panicking::begin_panic::h35604fa5dfd7fedd
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x56054d67e979 - build_script_build::main::haa645db33f3d164f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.3.11/build.rs:38
[INFO] [stderr]     15:     0x56054d68108b - core::ops::function::FnOnce::call_once::h22da4e3dd13eecb3
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]     16:     0x56054d67fdae - std::sys_common::backtrace::__rust_begin_short_backtrace::hff3c0784972c5c79
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     17:     0x56054d67fbe1 - std::rt::lang_start::{{closure}}::h237dd569944c422f
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:66
[INFO] [stderr]     18:     0x56054d6b2a07 - 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]     19:     0x56054d6b2a07 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]     20:     0x56054d6b2a07 - std::panicking::try::h8815656b2b76e792
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]     21:     0x56054d6b2a07 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]     22:     0x56054d6b2a07 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x56054d67fbb7 - std::rt::lang_start::h07c293243a121297
[INFO] [stderr]                                  at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:65
[INFO] [stderr]     24:     0x56054d67f77a - main
[INFO] [stderr]     25:     0x7f6e17e220b3 - __libc_start_main
[INFO] [stderr]     26:     0x56054d67e0ae - _start
[INFO] [stderr]     27:                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-1.7.0/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" "24bd5e0c4d84d90e9ceb1d1e0e5594f8488319ac3a07c259dc3b4a2de01f8588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bd5e0c4d84d90e9ceb1d1e0e5594f8488319ac3a07c259dc3b4a2de01f8588", kill_on_drop: false }`
[INFO] [stdout] 24bd5e0c4d84d90e9ceb1d1e0e5594f8488319ac3a07c259dc3b4a2de01f8588
