[INFO] updating cached repository https://github.com/keringar/coin
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e4c06382f558c43097cf9162f8195fa3b0d8889
[INFO] checking keringar/coin against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeringar%2Fcoin" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keringar/coin on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/keringar/coin
[INFO] finished tweaking git repo https://github.com/keringar/coin
[INFO] tweaked toml for git repo https://github.com/keringar/coin written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/keringar/coin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43d7affd770717aece25365c5ea16486ad12c9f3275e58dc9f1f6967c9c0825d
[INFO] running `"docker" "start" "-a" "43d7affd770717aece25365c5ea16486ad12c9f3275e58dc9f1f6967c9c0825d"`
[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/rustwide/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: 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: 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 33.40s
[INFO] running `"docker" "inspect" "43d7affd770717aece25365c5ea16486ad12c9f3275e58dc9f1f6967c9c0825d"`
[INFO] running `"docker" "rm" "-f" "43d7affd770717aece25365c5ea16486ad12c9f3275e58dc9f1f6967c9c0825d"`
[INFO] [stdout] 43d7affd770717aece25365c5ea16486ad12c9f3275e58dc9f1f6967c9c0825d