[INFO] cloning repository https://github.com/ProofOfWorkCompany/powco-client-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProofOfWorkCompany/powco-client-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProofOfWorkCompany%2Fpowco-client-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProofOfWorkCompany%2Fpowco-client-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fc09ddee6abe20f174c5538929200bf5e9a549b
[INFO] checking ProofOfWorkCompany/powco-client-rust against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProofOfWorkCompany%2Fpowco-client-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProofOfWorkCompany/powco-client-rust on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ProofOfWorkCompany/powco-client-rust
[INFO] finished tweaking git repo https://github.com/ProofOfWorkCompany/powco-client-rust
[INFO] tweaked toml for git repo https://github.com/ProofOfWorkCompany/powco-client-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ProofOfWorkCompany/powco-client-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d1f5630f1ce10e93afda87e1c0f1796dd830b6c018d138772d9185bee94ea3c
[INFO] running `Command { std: "docker" "start" "-a" "4d1f5630f1ce10e93afda87e1c0f1796dd830b6c018d138772d9185bee94ea3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1f5630f1ce10e93afda87e1c0f1796dd830b6c018d138772d9185bee94ea3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1f5630f1ce10e93afda87e1c0f1796dd830b6c018d138772d9185bee94ea3c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d41f3d785dc0831420858bfb1a01145a340491eb2ca8e85d8fe3ff3425eb57
[INFO] running `Command { std: "docker" "start" "-a" "96d41f3d785dc0831420858bfb1a01145a340491eb2ca8e85d8fe3ff3425eb57", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `Keys` is never constructed
[INFO] [stdout]   --> src/lib.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub struct Keys {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Client` is never constructed
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub struct Client {
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `generate` is never used
[INFO] [stdout]   --> src/lib.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         pub fn generate() -> Keys {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `validate` is never used
[INFO] [stdout]   --> src/lib.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |         pub fn validate(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `validate_identifier` is never used
[INFO] [stdout]   --> src/lib.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |         fn validate_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `validate_secret` is never used
[INFO] [stdout]   --> src/lib.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |         fn validate_secret(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `has_valid_keys` is never used
[INFO] [stdout]    --> src/lib.rs:134:16
[INFO] [stdout]     |
[INFO] [stdout] 134 |         pub fn has_valid_keys(&self) -> bool {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `list_available_jobs` is never used
[INFO] [stdout]    --> src/lib.rs:138:22
[INFO] [stdout]     |
[INFO] [stdout] 138 |         pub async fn list_available_jobs(&self) -> Jobs {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.32s
[INFO] running `Command { std: "docker" "inspect" "96d41f3d785dc0831420858bfb1a01145a340491eb2ca8e85d8fe3ff3425eb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d41f3d785dc0831420858bfb1a01145a340491eb2ca8e85d8fe3ff3425eb57", kill_on_drop: false }`
[INFO] [stdout] 96d41f3d785dc0831420858bfb1a01145a340491eb2ca8e85d8fe3ff3425eb57