[INFO] updating cached repository keringar/coin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keringar/coin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keringar/coin" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/keringar/coin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keringar/coin" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/keringar/coin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e4c06382f558c43097cf9162f8195fa3b0d8889
[INFO] sha for GitHub repo keringar/coin: 2e4c06382f558c43097cf9162f8195fa3b0d8889
[INFO] validating manifest of keringar/coin on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of keringar/coin on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing keringar/coin
[INFO] finished frobbing keringar/coin
[INFO] frobbed toml for keringar/coin written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/keringar/coin/Cargo.toml
[INFO] started frobbing keringar/coin
[INFO] finished frobbing keringar/coin
[INFO] frobbed toml for keringar/coin written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/keringar/coin/Cargo.toml
[INFO] crate keringar/coin has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking keringar/coin against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-6/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/keringar/coin:/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bd6d4476bef2e95c8fbc3b54ba21dc2a5fac2e33ec47f69cc7c5e4200ecfe4f3
[INFO] running `"docker" "start" "-a" "bd6d4476bef2e95c8fbc3b54ba21dc2a5fac2e33ec47f69cc7c5e4200ecfe4f3"`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]     Checking openssl v0.9.20
[INFO] [stderr]    Compiling serde_derive v1.0.20
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking websocket v0.20.2
[INFO] [stderr]     Checking coin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `api_key`
[INFO] [stderr]   --> src/discord/mod.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn connect(api_key: &str) -> Result<Self> {
[INFO] [stderr]    |                    ^^^^^^^ help: consider using `_api_key` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]  --> src/bot.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     config: Config,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `discord`
[INFO] [stderr]  --> src/bot.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     discord: Discord,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `api_key`
[INFO] [stderr]   --> src/discord/mod.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn connect(api_key: &str) -> Result<Self> {
[INFO] [stderr]    |                    ^^^^^^^ help: consider using `_api_key` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]  --> src/bot.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     config: Config,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `discord`
[INFO] [stderr]  --> src/bot.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     discord: Discord,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.60s
[INFO] running `"docker" "inspect" "bd6d4476bef2e95c8fbc3b54ba21dc2a5fac2e33ec47f69cc7c5e4200ecfe4f3"`
[INFO] running `"docker" "rm" "-f" "bd6d4476bef2e95c8fbc3b54ba21dc2a5fac2e33ec47f69cc7c5e4200ecfe4f3"`
[INFO] [stdout] bd6d4476bef2e95c8fbc3b54ba21dc2a5fac2e33ec47f69cc7c5e4200ecfe4f3