[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] building ProofOfWorkCompany/powco-client-rust against master#ee1c3b385b6673b6ef37d80dfabe048e993c2ae2 for pr-102832-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProofOfWorkCompany%2Fpowco-client-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProofOfWorkCompany/powco-client-rust on toolchain ee1c3b385b6673b6ef37d80dfabe048e993c2ae2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "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-2/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" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46ae24509c4974018392a49bd315f46bec19dda2aa9772f1f904ed79fc0960b6
[INFO] running `Command { std: "docker" "start" "-a" "46ae24509c4974018392a49bd315f46bec19dda2aa9772f1f904ed79fc0960b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ae24509c4974018392a49bd315f46bec19dda2aa9772f1f904ed79fc0960b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ae24509c4974018392a49bd315f46bec19dda2aa9772f1f904ed79fc0960b6", kill_on_drop: false }`
[INFO] [stdout] 46ae24509c4974018392a49bd315f46bec19dda2aa9772f1f904ed79fc0960b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d336a64a530967a679cfcfd5c056760da7bdbdcea35e24f575e12e1972ff72
[INFO] running `Command { std: "docker" "start" "-a" "b9d336a64a530967a679cfcfd5c056760da7bdbdcea35e24f575e12e1972ff72", 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 2m 11s
[INFO] running `Command { std: "docker" "inspect" "b9d336a64a530967a679cfcfd5c056760da7bdbdcea35e24f575e12e1972ff72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d336a64a530967a679cfcfd5c056760da7bdbdcea35e24f575e12e1972ff72", kill_on_drop: false }`
[INFO] [stdout] b9d336a64a530967a679cfcfd5c056760da7bdbdcea35e24f575e12e1972ff72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ee1c3b385b6673b6ef37d80dfabe048e993c2ae2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068992700b2ed06a5373f770d705c0120c7747228c2d00143ccfa9ab5af04523
[INFO] running `Command { std: "docker" "start" "-a" "068992700b2ed06a5373f770d705c0120c7747228c2d00143ccfa9ab5af04523", kill_on_drop: false }`
[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] [stderr]    Compiling powco v0.1.3 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "068992700b2ed06a5373f770d705c0120c7747228c2d00143ccfa9ab5af04523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068992700b2ed06a5373f770d705c0120c7747228c2d00143ccfa9ab5af04523", kill_on_drop: false }`
[INFO] [stdout] 068992700b2ed06a5373f770d705c0120c7747228c2d00143ccfa9ab5af04523