[INFO] cloning repository https://github.com/chebykin/miner-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chebykin/miner-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchebykin%2Fminer-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchebykin%2Fminer-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 571321d9a23b3baef33d15c0721e3c4225a8c8af
[INFO] documenting chebykin/miner-test against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchebykin%2Fminer-test" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chebykin/miner-test on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chebykin/miner-test
[INFO] finished tweaking git repo https://github.com/chebykin/miner-test
[INFO] tweaked toml for git repo https://github.com/chebykin/miner-test written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chebykin/miner-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4bc2f8b4c71e779fdc6237c6cdce55c0920a6f8b64292e72dd6adc747d71163
[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" "d4bc2f8b4c71e779fdc6237c6cdce55c0920a6f8b64292e72dd6adc747d71163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bc2f8b4c71e779fdc6237c6cdce55c0920a6f8b64292e72dd6adc747d71163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bc2f8b4c71e779fdc6237c6cdce55c0920a6f8b64292e72dd6adc747d71163", kill_on_drop: false }`
[INFO] [stdout] d4bc2f8b4c71e779fdc6237c6cdce55c0920a6f8b64292e72dd6adc747d71163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cceb0a0895f48224bf6fc34bc73f41fab7a6804b791106645146d47beca574f5
[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" "cceb0a0895f48224bf6fc34bc73f41fab7a6804b791106645146d47beca574f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling bigint v4.3.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking serde v1.0.38
[INFO] [stderr]     Checking ethcore-bytes v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking spmc v0.2.2
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking macros v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking slab v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unexpected v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]     Checking semantic_version v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking table v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking using_queue v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]    Compiling heck v0.2.1
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking ethcore-bloom-journal v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking tokio-timer v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking ethcore-devtools v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking stats v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking parking_lot v0.5.4
[INFO] [stderr]     Checking parity-wordlist v1.2.0
[INFO] [stderr]    Compiling tiny-keccak v1.4.1
[INFO] [stderr]     Checking plain_hasher v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking elastic-array v0.9.0
[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: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cceb0a0895f48224bf6fc34bc73f41fab7a6804b791106645146d47beca574f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceb0a0895f48224bf6fc34bc73f41fab7a6804b791106645146d47beca574f5", kill_on_drop: false }`
[INFO] [stdout] cceb0a0895f48224bf6fc34bc73f41fab7a6804b791106645146d47beca574f5