[INFO] fetching crate curv-kzen 0.9.0...
[INFO] checking curv-kzen-0.9.0 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate curv-kzen 0.9.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate curv-kzen 0.9.0 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate curv-kzen 0.9.0
[INFO] finished tweaking crates.io crate curv-kzen 0.9.0
[INFO] tweaked toml for crates.io crate curv-kzen 0.9.0 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate crates.io crate curv-kzen 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest-derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d1ed242149d7e3776007409503eee788a1ff16fb0e7dab143757c6af9711a28
[INFO] running `Command { std: "docker" "start" "-a" "6d1ed242149d7e3776007409503eee788a1ff16fb0e7dab143757c6af9711a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d1ed242149d7e3776007409503eee788a1ff16fb0e7dab143757c6af9711a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1ed242149d7e3776007409503eee788a1ff16fb0e7dab143757c6af9711a28", kill_on_drop: false }`
[INFO] [stdout] 6d1ed242149d7e3776007409503eee788a1ff16fb0e7dab143757c6af9711a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 524afb1cd7fc7f31820c5b074731636483daea0805213891fda11d54266c94fb
[INFO] running `Command { std: "docker" "start" "-a" "524afb1cd7fc7f31820c5b074731636483daea0805213891fda11d54266c94fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.14.0
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[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]     Checking ppv-lite86 v0.2.14
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[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]     Checking elliptic-curve v0.10.6
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[INFO] [stderr]     Checking ecdsa v0.12.4
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[INFO] [stderr]     Checking rust-gmp-kzen v0.5.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking secp256k1 v0.20.3
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]     Checking curv-kzen v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime parameter `'p` never used
[INFO] [stdout]   --> src/elliptic/curves/wrappers/serde_support.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'p, E: Curve> Serialize for Point<E> {
[INFO] [stdout]    |      ^^--
[INFO] [stdout]    |      |
[INFO] [stdout]    |      help: elide the unused lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'p` never used
[INFO] [stdout]   --> src/elliptic/curves/wrappers/serde_support.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'p, E: Curve> Serialize for Point<E> {
[INFO] [stdout]    |      ^^--
[INFO] [stdout]    |      |
[INFO] [stdout]    |      help: elide the unused lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/curve_ristretto.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/curve_ristretto.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/p256.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]    --> src/elliptic/curves/secp256_k1.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     purpose: &'static str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radix`
[INFO] [stdout]  --> src/arithmetic/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub(super) radix: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `curv-kzen` due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/curve_ristretto.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/curve_ristretto.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]   --> src/elliptic/curves/p256.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     purpose: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `purpose`
[INFO] [stdout]    --> src/elliptic/curves/secp256_k1.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     purpose: &'static str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radix`
[INFO] [stdout]  --> src/arithmetic/errors.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub(super) radix: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "524afb1cd7fc7f31820c5b074731636483daea0805213891fda11d54266c94fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524afb1cd7fc7f31820c5b074731636483daea0805213891fda11d54266c94fb", kill_on_drop: false }`
[INFO] [stdout] 524afb1cd7fc7f31820c5b074731636483daea0805213891fda11d54266c94fb