[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/beta-1.38-1/sources/1.37.0/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/keringar/coin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keringar/coin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/keringar/coin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 keringar/coin 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 keringar/coin
[INFO] finished frobbing keringar/coin
[INFO] frobbed toml for keringar/coin written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+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 keringar/coin against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e439aa908deb2b4929121c5441e750aa9d365dc75cda4da8f1cc9987cc4274ae
[INFO] running `"docker" "start" "-a" "e439aa908deb2b4929121c5441e750aa9d365dc75cda4da8f1cc9987cc4274ae"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling backtrace v0.3.4
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling hyper v0.11.6
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling tokio-tls v0.1.3
[INFO] [stderr]    Compiling websocket v0.20.2
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 51.69s
[INFO] running `"docker" "inspect" "e439aa908deb2b4929121c5441e750aa9d365dc75cda4da8f1cc9987cc4274ae"`
[INFO] running `"docker" "rm" "-f" "e439aa908deb2b4929121c5441e750aa9d365dc75cda4da8f1cc9987cc4274ae"`
[INFO] [stdout] e439aa908deb2b4929121c5441e750aa9d365dc75cda4da8f1cc9987cc4274ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b040e12b6c4de2276c3fa44d9473454e2b31043193fa13d88cd3054b1f873a08
[INFO] running `"docker" "start" "-a" "b040e12b6c4de2276c3fa44d9473454e2b31043193fa13d88cd3054b1f873a08"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "b040e12b6c4de2276c3fa44d9473454e2b31043193fa13d88cd3054b1f873a08"`
[INFO] running `"docker" "rm" "-f" "b040e12b6c4de2276c3fa44d9473454e2b31043193fa13d88cd3054b1f873a08"`
[INFO] [stdout] b040e12b6c4de2276c3fa44d9473454e2b31043193fa13d88cd3054b1f873a08
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f77b410b8122eee9f08cee95297b630665997f9d82e6788ee076896f88715f4b
[INFO] running `"docker" "start" "-a" "f77b410b8122eee9f08cee95297b630665997f9d82e6788ee076896f88715f4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coin-1f8c0d6d1164fdee
[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" "f77b410b8122eee9f08cee95297b630665997f9d82e6788ee076896f88715f4b"`
[INFO] running `"docker" "rm" "-f" "f77b410b8122eee9f08cee95297b630665997f9d82e6788ee076896f88715f4b"`
[INFO] [stdout] f77b410b8122eee9f08cee95297b630665997f9d82e6788ee076896f88715f4b