[INFO] fetching crate optirs-nas 0.3.1...
[INFO] checking optirs-nas-0.3.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate optirs-nas 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate optirs-nas 0.3.1
[INFO] finished tweaking crates.io crate optirs-nas 0.3.1
[INFO] tweaked toml for crates.io crate optirs-nas 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optirs-nas 0.3.1 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 crates.io crate optirs-nas 0.3.1 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 }`
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[INFO] [stdout] c5625c57fb633294caa0b447f823f5ba7eb84074fd57d8f2781d8c7d7246240c
[INFO] running `Command { std: "docker" "start" "-a" "c5625c57fb633294caa0b447f823f5ba7eb84074fd57d8f2781d8c7d7246240c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5625c57fb633294caa0b447f823f5ba7eb84074fd57d8f2781d8c7d7246240c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5625c57fb633294caa0b447f823f5ba7eb84074fd57d8f2781d8c7d7246240c", kill_on_drop: false }`
[INFO] [stdout] c5625c57fb633294caa0b447f823f5ba7eb84074fd57d8f2781d8c7d7246240c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cd803f921162ece1a153ce0ca131e3c201c7822061828d7b9beb108d96719276
[INFO] running `Command { std: "docker" "start" "-a" "cd803f921162ece1a153ce0ca131e3c201c7822061828d7b9beb108d96719276", kill_on_drop: false }`
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[INFO] [stderr]     Checking optirs-nas v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `NSGA3` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct NSGA3<T: Float + Debug + Send + Sync + 'static> {
[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 `SmsEmoa` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:461:12
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub struct SmsEmoa<T: Float + Debug + Send + Sync + 'static> {
[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 `HypervolumeCalculator` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub struct HypervolumeCalculator<T: Float + Debug + Send + Sync + 'static> {
[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: `HypervolumeCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IBEA` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:511:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | pub struct IBEA<T: Float + Debug + Send + Sync + 'static> {
[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 `QualityIndicator` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | pub struct QualityIndicator<T: Float + Debug + Send + Sync + 'static> {
[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: `QualityIndicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PreferenceHandler` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:561:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | pub struct PreferenceHandler<T: Float + Debug + Send + Sync + 'static> {
[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 `PreferenceSnapshot` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:593:12
[INFO] [stdout]     |
[INFO] [stdout] 593 | pub struct PreferenceSnapshot<T: Float + Debug + Send + Sync + 'static> {
[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: `PreferenceSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ConstraintHandler` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:608:12
[INFO] [stdout]     |
[INFO] [stdout] 608 | pub struct ConstraintHandler<T: Float + Debug + Send + Sync + 'static> {
[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 `ConstraintFunction` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:624:12
[INFO] [stdout]     |
[INFO] [stdout] 624 | pub struct ConstraintFunction<T: Float + Debug + Send + Sync + 'static> {
[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: `ConstraintFunction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PenaltyParameters` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 670 | pub struct PenaltyParameters<T: Float + Debug + Send + Sync + 'static> {
[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: `PenaltyParameters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `NSGA3` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct NSGA3<T: Float + Debug + Send + Sync + 'static> {
[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 `SmsEmoa` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:461:12
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub struct SmsEmoa<T: Float + Debug + Send + Sync + 'static> {
[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] [stderr] error: could not compile `optirs-nas` (lib test) due to 10 previous errors
[INFO] [stdout] error: struct `HypervolumeCalculator` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:483:12
[INFO] [stdout]     |
[INFO] [stdout] 483 | pub struct HypervolumeCalculator<T: Float + Debug + Send + Sync + 'static> {
[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: `HypervolumeCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `IBEA` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:511:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | pub struct IBEA<T: Float + Debug + Send + Sync + 'static> {
[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 `QualityIndicator` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:536:12
[INFO] [stdout]     |
[INFO] [stdout] 536 | pub struct QualityIndicator<T: Float + Debug + Send + Sync + 'static> {
[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: `QualityIndicator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PreferenceHandler` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:561:12
[INFO] [stdout]     |
[INFO] [stdout] 561 | pub struct PreferenceHandler<T: Float + Debug + Send + Sync + 'static> {
[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 `PreferenceSnapshot` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:593:12
[INFO] [stdout]     |
[INFO] [stdout] 593 | pub struct PreferenceSnapshot<T: Float + Debug + Send + Sync + 'static> {
[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: `PreferenceSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ConstraintHandler` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:608:12
[INFO] [stdout]     |
[INFO] [stdout] 608 | pub struct ConstraintHandler<T: Float + Debug + Send + Sync + 'static> {
[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 `ConstraintFunction` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:624:12
[INFO] [stdout]     |
[INFO] [stdout] 624 | pub struct ConstraintFunction<T: Float + Debug + Send + Sync + 'static> {
[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: `ConstraintFunction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PenaltyParameters` is never constructed
[INFO] [stdout]    --> src/multi_objective.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 670 | pub struct PenaltyParameters<T: Float + Debug + Send + Sync + 'static> {
[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: `PenaltyParameters` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `optirs-nas` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd803f921162ece1a153ce0ca131e3c201c7822061828d7b9beb108d96719276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd803f921162ece1a153ce0ca131e3c201c7822061828d7b9beb108d96719276", kill_on_drop: false }`
[INFO] [stdout] cd803f921162ece1a153ce0ca131e3c201c7822061828d7b9beb108d96719276
