[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/beta-1.38-1/sources/1.37.0/gh/dbr/juke-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dbr/juke-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dbr/juke-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4135ec9cdb7328d599f305d892016857caa0f33
[INFO] sha for GitHub repo dbr/juke-rs: e4135ec9cdb7328d599f305d892016857caa0f33
[INFO] validating manifest of dbr/juke-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dbr/juke-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs/Cargo.toml
[INFO] crate dbr/juke-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dbr/juke-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 97ba2e2bb206d438e8d172bf944f10e12e24a1e538aeabd6fe8b5cf79c290c61
[INFO] running `"docker" "start" "-a" "97ba2e2bb206d438e8d172bf944f10e12e24a1e538aeabd6fe8b5cf79c290c61"`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling openssl v0.10.22
[INFO] [stderr]    Compiling webbrowser v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.46
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ctrlc v3.1.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.17
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling gzip-header v0.2.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling multipart v0.15.4
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_builder_core v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling rouille v3.0.0 (https://github.com/dbr/rouille?branch=wscpu#598e5a9f)
[INFO] [stderr]    Compiling reqwest v0.9.17
[INFO] [stderr]    Compiling rspotify v0.4.0
[INFO] [stderr]    Compiling juke v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `track_id`
[INFO] [stderr]    --> src/web.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |         (GET) (/api/downvote/{track_id:String}) => {
[INFO] [stderr]     |                               ^^^^^^^^ help: consider prefixing with an underscore: `_track_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.votes` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/client.rs:77:37
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let highest_voted = { self.votes.iter().filter(|k| k.1 == highest_vote_value) };
[INFO] [stderr]    |                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 77 |         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: variant is never constructed: `Skip`
[INFO] [stderr]    --> src/common.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     Skip,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Downvote`
[INFO] [stderr]    --> src/common.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Downvote(SongRequestInfo),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MaybeWebResponse`
[INFO] [stderr]   --> src/web.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | enum MaybeWebResponse<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `"docker" "inspect" "97ba2e2bb206d438e8d172bf944f10e12e24a1e538aeabd6fe8b5cf79c290c61"`
[INFO] running `"docker" "rm" "-f" "97ba2e2bb206d438e8d172bf944f10e12e24a1e538aeabd6fe8b5cf79c290c61"`
[INFO] [stdout] 97ba2e2bb206d438e8d172bf944f10e12e24a1e538aeabd6fe8b5cf79c290c61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6df44e94a23803fd9d17825421b09030053247d4f0674d99d5589450414754f7
[INFO] running `"docker" "start" "-a" "6df44e94a23803fd9d17825421b09030053247d4f0674d99d5589450414754f7"`
[INFO] [stderr]    Compiling juke v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `track_id`
[INFO] [stderr]    --> src/web.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |         (GET) (/api/downvote/{track_id:String}) => {
[INFO] [stderr]     |                               ^^^^^^^^ help: consider prefixing with an underscore: `_track_id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.votes` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/client.rs:77:37
[INFO] [stderr]    |
[INFO] [stderr] 70 |             let highest_voted = { self.votes.iter().filter(|k| k.1 == highest_vote_value) };
[INFO] [stderr]    |                                   ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 77 |         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: variant is never constructed: `Skip`
[INFO] [stderr]    --> src/common.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     Skip,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Downvote`
[INFO] [stderr]    --> src/common.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Downvote(SongRequestInfo),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MaybeWebResponse`
[INFO] [stderr]   --> src/web.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | enum MaybeWebResponse<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "6df44e94a23803fd9d17825421b09030053247d4f0674d99d5589450414754f7"`
[INFO] running `"docker" "rm" "-f" "6df44e94a23803fd9d17825421b09030053247d4f0674d99d5589450414754f7"`
[INFO] [stdout] 6df44e94a23803fd9d17825421b09030053247d4f0674d99d5589450414754f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dbr/juke-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 75065a50f0005f0a14469f91b38953d50a18ba289a0db9038a18aa7dcb853a4a
[INFO] running `"docker" "start" "-a" "75065a50f0005f0a14469f91b38953d50a18ba289a0db9038a18aa7dcb853a4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/juke-7f9782c7c696ab8e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "75065a50f0005f0a14469f91b38953d50a18ba289a0db9038a18aa7dcb853a4a"`
[INFO] running `"docker" "rm" "-f" "75065a50f0005f0a14469f91b38953d50a18ba289a0db9038a18aa7dcb853a4a"`
[INFO] [stdout] 75065a50f0005f0a14469f91b38953d50a18ba289a0db9038a18aa7dcb853a4a