[INFO] updating cached repository katis/votebot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/katis/votebot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/katis/votebot" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/katis/votebot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/katis/votebot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/katis/votebot" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/katis/votebot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/katis/votebot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cafc0455da6cd158f1ee218e011b718e7c2ca6f2
[INFO] sha for GitHub repo katis/votebot: cafc0455da6cd158f1ee218e011b718e7c2ca6f2
[INFO] validating manifest of katis/votebot on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of katis/votebot on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing katis/votebot
[INFO] finished frobbing katis/votebot
[INFO] frobbed toml for katis/votebot written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/katis/votebot/Cargo.toml
[INFO] started frobbing katis/votebot
[INFO] finished frobbing katis/votebot
[INFO] frobbed toml for katis/votebot written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/katis/votebot/Cargo.toml
[INFO] crate katis/votebot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking katis/votebot against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/katis/votebot:/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=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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2333f544aae54b1a6f840452f65968d9098f86a6644a374a9f23c80692561aa
[INFO] running `"docker" "start" "-a" "e2333f544aae54b1a6f840452f65968d9098f86a6644a374a9f23c80692561aa"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.2.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking backtrace-sys v0.1.30
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling snafu-derive v0.4.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking snafu v0.4.1
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking votebot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `poll`
[INFO] [stderr]   --> src/server.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let poll = db_service.find_poll(id.into_inner())?;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_poll`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `poll`
[INFO] [stderr]   --> src/server.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let poll = db_service.find_poll(id.into_inner())?;
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_poll`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_poll`
[INFO] [stderr]    --> src/db.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn update_poll(&self, id: Uuid, poll: UpdatedPoll) -> Result<Poll> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ok`
[INFO] [stderr]    --> src/slack.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     ok: bool,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]    --> src/slack.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     user: UserResponse,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]    --> src/slack.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     id: String,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_poll`
[INFO] [stderr]    --> src/db.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn update_poll(&self, id: Uuid, poll: UpdatedPoll) -> Result<Poll> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ok`
[INFO] [stderr]    --> src/slack.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     ok: bool,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `user`
[INFO] [stderr]    --> src/slack.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     user: UserResponse,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]    --> src/slack.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     id: String,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 42s
[INFO] running `"docker" "inspect" "e2333f544aae54b1a6f840452f65968d9098f86a6644a374a9f23c80692561aa"`
[INFO] running `"docker" "rm" "-f" "e2333f544aae54b1a6f840452f65968d9098f86a6644a374a9f23c80692561aa"`
[INFO] [stdout] e2333f544aae54b1a6f840452f65968d9098f86a6644a374a9f23c80692561aa