[INFO] cloning repository https://github.com/oueslati00/rust-crypto-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oueslati00/rust-crypto-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foueslati00%2Frust-crypto-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foueslati00%2Frust-crypto-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35d666d628f0790320d2a68cafff7e6a1ef7ce6
[INFO] checking oueslati00/rust-crypto-learn against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foueslati00%2Frust-crypto-learn" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oueslati00/rust-crypto-learn
[INFO] finished tweaking git repo https://github.com/oueslati00/rust-crypto-learn
[INFO] tweaked toml for git repo https://github.com/oueslati00/rust-crypto-learn written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oueslati00/rust-crypto-learn on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oueslati00/rust-crypto-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "c2e76e0df9e98ef0d58d4c364d83f988cbfd6527df8d77cef4c25c9c7ee62bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e76e0df9e98ef0d58d4c364d83f988cbfd6527df8d77cef4c25c9c7ee62bc8", kill_on_drop: false }`
[INFO] [stdout] c2e76e0df9e98ef0d58d4c364d83f988cbfd6527df8d77cef4c25c9c7ee62bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c135c23a1f04f6279fbad524eb4189538a435d01134a73e6422bdc0da9f2bd8
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[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling serde v1.0.215
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[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking hmac v0.12.1
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[INFO] [stderr]     Checking getrandom v0.2.15
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[INFO] [stderr]     Checking crypto-bigint v0.5.5
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[INFO] [stderr]     Checking ecdsa v0.16.9
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[INFO] [stdout] warning: unused import: `signature::Signer`
[INFO] [stdout]  --> lib/src/crypto.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecdsa::{signature::Signer, Signature as ECDSASignature, SigningKey, VerifyingKey};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `signature::Signer`
[INFO] [stdout]  --> lib/src/crypto.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecdsa::{signature::Signer, Signature as ECDSASignature, SigningKey, VerifyingKey};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Signature` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Signature(ECDSASignature<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PublicKey` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey(VerifyingKey<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrivateKey` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PrivateKey(SigningKey<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Signature(ECDSASignature<Secp256k1>);
[INFO] [stdout]   |            --------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey(VerifyingKey<Secp256k1>);
[INFO] [stdout]   |            --------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PrivateKey(SigningKey<Secp256k1>);
[INFO] [stdout]   |            ---------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Signature` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Signature(ECDSASignature<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PublicKey` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey(VerifyingKey<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PrivateKey` is never constructed
[INFO] [stdout]  --> lib/src/crypto.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PrivateKey(SigningKey<Secp256k1>);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Signature(ECDSASignature<Secp256k1>);
[INFO] [stdout]   |            --------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PublicKey(VerifyingKey<Secp256k1>);
[INFO] [stdout]   |            --------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> lib/src/crypto.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PrivateKey(SigningKey<Secp256k1>);
[INFO] [stdout]   |            ---------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9c135c23a1f04f6279fbad524eb4189538a435d01134a73e6422bdc0da9f2bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c135c23a1f04f6279fbad524eb4189538a435d01134a73e6422bdc0da9f2bd8", kill_on_drop: false }`
[INFO] [stdout] 9c135c23a1f04f6279fbad524eb4189538a435d01134a73e6422bdc0da9f2bd8
