[INFO] cloning repository https://github.com/drbawb/aqua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drbawb/aqua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbawb%2Faqua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbawb%2Faqua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a55a322939e632e0c562c329e716c58f0092f4fe
[INFO] testing drbawb/aqua against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbawb%2Faqua" "/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/drbawb/aqua on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drbawb/aqua
[INFO] finished tweaking git repo https://github.com/drbawb/aqua
[INFO] tweaked toml for git repo https://github.com/drbawb/aqua written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/drbawb/aqua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5fdc5bf32dbd836d8a7a69f7e0e59363c1bdd1c2efff97a6875285ca374a5b0
[INFO] running `Command { std: "docker" "start" "-a" "c5fdc5bf32dbd836d8a7a69f7e0e59363c1bdd1c2efff97a6875285ca374a5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5fdc5bf32dbd836d8a7a69f7e0e59363c1bdd1c2efff97a6875285ca374a5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5fdc5bf32dbd836d8a7a69f7e0e59363c1bdd1c2efff97a6875285ca374a5b0", kill_on_drop: false }`
[INFO] [stdout] c5fdc5bf32dbd836d8a7a69f7e0e59363c1bdd1c2efff97a6875285ca374a5b0
[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" "RUSTFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580ea86d93a7e15ced72b5d14e356ebe382c2e6a32548171bc53d6f05e3c84fd
[INFO] running `Command { std: "docker" "start" "-a" "580ea86d93a7e15ced72b5d14e356ebe382c2e6a32548171bc53d6f05e3c84fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.42
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling pq-sys v0.2.7
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling safemem v0.1.1
[INFO] [stderr]    Compiling linked-hash-map v0.2.1
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling itoa v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling serde v0.9.6
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling r2d2 v0.7.1
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling lru-cache v0.1.0
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling inotify v0.3.0
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling twoway v0.1.3
[INFO] [stderr]    Compiling buf_redux v0.6.1
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling diesel v0.10.0
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.6.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling aho-corasick v0.6.1
[INFO] [stderr]    Compiling serde_json v0.9.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.12.1
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling flate2 v0.2.17
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling serde_derive v0.9.5
[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-903b4df424f38042/build-script-gen_mime_types` (exit status: 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:     0x55eda07df0d0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55eda07df0d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55eda07df0d0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55eda07df0d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55eda07f8f8c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55eda07ddad5 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55eda07e0cfb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55eda07e0cfb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55eda07e0cfb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55eda07e07d1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55eda07e13c4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55eda07e0ea7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55eda07df5cc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55eda07e0e09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55eda0788f21 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55eda0788fb3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55eda07adbee - core::result::Result<T,E>::unwrap::h2aaae6b82177c79f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55eda07c480b - build_script_gen_mime_types::main::hd265a2489d0cf4c7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22:38
[INFO] [stderr]     18:     0x55eda07a007b - core::ops::function::FnOnce::call_once::h0798f1e3f45858c5
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55eda07ba97e - std::sys_common::backtrace::__rust_begin_short_backtrace::h76cb52465cc8d199
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55eda079f501 - std::rt::lang_start::{{closure}}::h524b73469f1388c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55eda07e18c9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55eda07e18c9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55eda07e18c9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55eda07e18c9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x55eda07e18c9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55eda079f4e0 - std::rt::lang_start::h2754d1ba1e321bb6
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55eda07c5f2c - main
[INFO] [stderr]     28:     0x7fe24f2d90b3 - __libc_start_main
[INFO] [stderr]     29:     0x55eda078967e - _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" "580ea86d93a7e15ced72b5d14e356ebe382c2e6a32548171bc53d6f05e3c84fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580ea86d93a7e15ced72b5d14e356ebe382c2e6a32548171bc53d6f05e3c84fd", kill_on_drop: false }`
[INFO] [stdout] 580ea86d93a7e15ced72b5d14e356ebe382c2e6a32548171bc53d6f05e3c84fd
