[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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/keringar/coin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keringar/coin" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of keringar/coin on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-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-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/keringar/coin/Cargo.toml
[INFO] crate keringar/coin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking keringar/coin against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-7/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d890d658bc67ac4222e96cedacb941ffa8a2b596610234ca05b44905c55c58e9
[INFO] running `"docker" "start" "-a" "d890d658bc67ac4222e96cedacb941ffa8a2b596610234ca05b44905c55c58e9"`
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking openssl v0.9.20
[INFO] [stderr]    Compiling serde_derive v1.0.20
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking tokio-tls v0.1.3
[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 prefixing with an underscore: `_api_key`
[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 prefixing with an underscore: `_api_key`
[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 27.68s
[INFO] running `"docker" "inspect" "d890d658bc67ac4222e96cedacb941ffa8a2b596610234ca05b44905c55c58e9"`
[INFO] running `"docker" "rm" "-f" "d890d658bc67ac4222e96cedacb941ffa8a2b596610234ca05b44905c55c58e9"`
[INFO] [stdout] d890d658bc67ac4222e96cedacb941ffa8a2b596610234ca05b44905c55c58e9