[INFO] updating cached repository https://github.com/chebykin/miner-test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 571321d9a23b3baef33d15c0721e3c4225a8c8af
[INFO] checking chebykin/miner-test against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchebykin%2Fminer-test" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chebykin/miner-test on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chebykin/miner-test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 400ab1ead51a751dd4a55d00d947ff5acd5a7eca29c19ef1f02bf02411d8c7f5
[INFO] running `"docker" "start" "-a" "400ab1ead51a751dd4a55d00d947ff5acd5a7eca29c19ef1f02bf02411d8c7f5"`
[INFO] [stderr]    Compiling bigint v4.3.0
[INFO] [stderr]     Checking ethcore-bytes v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[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 spmc v0.2.2
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[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]     Checking unexpected v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking semantic_version v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking serde_json v1.0.14
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling heck v0.2.1
[INFO] [stderr]     Checking ethcore-bloom-journal v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking ethcore-devtools v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking stats v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking plain_hasher v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking tiny-keccak v1.4.1
[INFO] [stderr]     Checking elastic-array v0.9.0
[INFO] [stderr]     Checking memory-cache v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking fixed-hash v0.1.3
[INFO] [stderr]     Checking rotor v0.6.3 (https://github.com/tailhook/rotor#80ce2e4c)
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling uint v0.1.2
[INFO] [stderr]    Compiling ethereum-types v0.2.3
[INFO] [stderr]    Compiling rlp_derive v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking parking_lot v0.5.4
[INFO] [stderr]     Checking bn v0.4.4 (https://github.com/paritytech/bn#786c0d56)
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tiny-keccak`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tiny_keccak /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tiny-keccak-1.4.1/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=7e3616012c244502 -C extra-filename=-7e3616012c244502 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-3e362d28a653d67e.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "400ab1ead51a751dd4a55d00d947ff5acd5a7eca29c19ef1f02bf02411d8c7f5"`
[INFO] running `"docker" "rm" "-f" "400ab1ead51a751dd4a55d00d947ff5acd5a7eca29c19ef1f02bf02411d8c7f5"`
[INFO] [stdout] 400ab1ead51a751dd4a55d00d947ff5acd5a7eca29c19ef1f02bf02411d8c7f5