[INFO] updating cached repository dbr/juke-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dbr/juke-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dbr/juke-rs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbr/juke-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbr/juke-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dbr/juke-rs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbr/juke-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbr/juke-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9ecdb81c472caeb69689b215527422d472b93d0
[INFO] sha for GitHub repo dbr/juke-rs: c9ecdb81c472caeb69689b215527422d472b93d0
[INFO] validating manifest of dbr/juke-rs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dbr/juke-rs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dbr/juke-rs
[INFO] finished frobbing dbr/juke-rs
[INFO] frobbed toml for dbr/juke-rs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbr/juke-rs/Cargo.toml
[INFO] started frobbing dbr/juke-rs
[INFO] finished frobbing dbr/juke-rs
[INFO] frobbed toml for dbr/juke-rs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/dbr/juke-rs/Cargo.toml
[INFO] crate dbr/juke-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dbr/juke-rs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/dbr/juke-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 33bda018f1bc9bafed32ab9f885c165884effea1f3ff9001774588a8106b095b
[INFO] running `"docker" "start" "-a" "33bda018f1bc9bafed32ab9f885c165884effea1f3ff9001774588a8106b095b"`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]     Checking arrayvec v0.4.9
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
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[INFO] [stderr]     Checking tokio-io v0.1.10
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[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking tiny_http v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking env_logger v0.5.13
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[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking multipart v0.15.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking hyper v0.12.18
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking rspotify v0.2.5
[INFO] [stderr]     Checking rouille v3.0.0
[INFO] [stderr]     Checking juke v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `self.votes` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/client.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let highest_voted = { self.votes.iter().filter(|k| k.1 == highest_vote_value) };
[INFO] [stderr]    |                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 80 |         if let Entry::Occupied(o) = self.votes.entry(hm.to_string()) {
[INFO] [stderr]    |                                     ^^^^^^^^^^       -- immutable borrow later used here
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.votes` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/client.rs:80:37
[INFO] [stderr]    |
[INFO] [stderr] 73 |             let highest_voted = { self.votes.iter().filter(|k| k.1 == highest_vote_value) };
[INFO] [stderr]    |                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 80 |         if let Entry::Occupied(o) = self.votes.entry(hm.to_string()) {
[INFO] [stderr]    |                                     ^^^^^^^^^^       -- immutable borrow later used here
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.46s
[INFO] running `"docker" "inspect" "33bda018f1bc9bafed32ab9f885c165884effea1f3ff9001774588a8106b095b"`
[INFO] running `"docker" "rm" "-f" "33bda018f1bc9bafed32ab9f885c165884effea1f3ff9001774588a8106b095b"`
[INFO] [stdout] 33bda018f1bc9bafed32ab9f885c165884effea1f3ff9001774588a8106b095b