[INFO] fetching crate rez-next-solver 0.1.0...
[INFO] checking rez-next-solver-0.1.0 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146-1
[INFO] extracting crate rez-next-solver 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rez-next-solver 0.1.0
[INFO] finished tweaking crates.io crate rez-next-solver 0.1.0
[INFO] tweaked toml for crates.io crate rez-next-solver 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rez-next-solver 0.1.0 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rez-next-solver 0.1.0 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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Checking rez-next-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VersionConstraint`
[INFO] [stdout]  --> src/dependency_resolver.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rez_next_package::{Package, Requirement, VersionConstraint};
[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: `rez_next_version::Version`
[INFO] [stdout]  --> src/dependency_resolver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rez_next_version::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rez_next_version::Version`
[INFO] [stdout]  --> src/solver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rez_next_version::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use dependency_resolver::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ the name `ResolutionResult` in the type namespace is first re-exported here
[INFO] [stdout] 22 | pub use graph::*;
[INFO] [stdout] 23 | pub use solver::*;
[INFO] [stdout]    |         --------- but the name `ResolutionResult` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VersionConstraint`
[INFO] [stdout]  --> src/dependency_resolver.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rez_next_package::{Package, Requirement, VersionConstraint};
[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: `rez_next_version::Version`
[INFO] [stdout]  --> src/dependency_resolver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rez_next_version::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rez_next_version::Version`
[INFO] [stdout]  --> src/solver.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rez_next_version::Version;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use dependency_resolver::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ the name `ResolutionResult` in the type namespace is first re-exported here
[INFO] [stdout] 22 | pub use graph::*;
[INFO] [stdout] 23 | pub use solver::*;
[INFO] [stdout]    |         --------- but the name `ResolutionResult` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PackageRepository`
[INFO] [stdout]  --> src/dependency_resolver.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rez_next_repository::simple_repository::{PackageRepository, RepositoryManager};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package_name`
[INFO] [stdout]    --> src/dependency_resolver.rs:326:73
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn mark_requirement_satisfied(&mut self, requirement: &Requirement, package_name: String) {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 let mut incompatible_groups = Vec::new();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req1`
[INFO] [stdout]    --> src/graph.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 for (i, req1) in requirements.iter().enumerate() {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_req1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req2`
[INFO] [stdout]    --> src/graph.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     for req2 in requirements.iter().skip(i + 1) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_req2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incompatible_groups`
[INFO] [stdout]    --> src/graph.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         incompatible_groups: &[(PackageRequirement, PackageRequirement)],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incompatible_groups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PackageRepository`
[INFO] [stdout]  --> src/dependency_resolver.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rez_next_repository::simple_repository::{PackageRepository, RepositoryManager};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package_name`
[INFO] [stdout]    --> src/dependency_resolver.rs:326:73
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn mark_requirement_satisfied(&mut self, requirement: &Requirement, package_name: String) {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `stats` are never read
[INFO] [stdout]   --> src/dependency_resolver.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DependencyResolver {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     config: SolverConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     stats: SolverStats,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `stats` are never read
[INFO] [stdout]    --> src/solver.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct DependencySolver {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 135 |     /// Solver configuration
[INFO] [stdout] 136 |     config: SolverConfig,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 137 |     /// Solver statistics
[INFO] [stdout] 138 |     stats: SolverStats,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DependencySolver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:235:21
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 let mut incompatible_groups = Vec::new();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req1`
[INFO] [stdout]    --> src/graph.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 for (i, req1) in requirements.iter().enumerate() {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_req1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req2`
[INFO] [stdout]    --> src/graph.rs:238:25
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     for req2 in requirements.iter().skip(i + 1) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_req2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `incompatible_groups`
[INFO] [stdout]    --> src/graph.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         incompatible_groups: &[(PackageRequirement, PackageRequirement)],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_incompatible_groups`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `stats` are never read
[INFO] [stdout]   --> src/dependency_resolver.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DependencyResolver {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     config: SolverConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     stats: SolverStats,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `stats` are never read
[INFO] [stdout]    --> src/solver.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct DependencySolver {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 135 |     /// Solver configuration
[INFO] [stdout] 136 |     config: SolverConfig,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 137 |     /// Solver statistics
[INFO] [stdout] 138 |     stats: SolverStats,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DependencySolver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/bin/test_astar_standalone.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::collections::{BinaryHeap, HashMap, HashSet};
[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 imports: `Duration` and `Instant`
[INFO] [stdout]   --> src/bin/test_astar_standalone.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::time::{Duration, Instant};
[INFO] [stdout]    |                     ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/bin/test_astar_standalone.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use std::collections::{BinaryHeap, HashMap, HashSet};
[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 imports: `Duration` and `Instant`
[INFO] [stdout]   --> src/bin/test_astar_standalone.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::time::{Duration, Instant};
[INFO] [stdout]    |                     ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_next_requirement` and `remove_requirement` are never used
[INFO] [stdout]    --> src/bin/test_astar_standalone.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout]  54 |     impl SearchState {
[INFO] [stdout]     |     ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |         pub fn get_next_requirement(&self) -> Option<&PackageRequirement> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         pub fn remove_requirement(&mut self, requirement: &PackageRequirement) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_next_requirement` and `remove_requirement` are never used
[INFO] [stdout]    --> src/bin/test_astar_standalone.rs:117:16
[INFO] [stdout]     |
[INFO] [stdout]  54 |     impl SearchState {
[INFO] [stdout]     |     ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |         pub fn get_next_requirement(&self) -> Option<&PackageRequirement> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |         pub fn remove_requirement(&mut self, requirement: &PackageRequirement) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "16948e3351c083d36e0ab9d0f272201b31585ec6ee020a7b07de0c36bd722f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16948e3351c083d36e0ab9d0f272201b31585ec6ee020a7b07de0c36bd722f52", kill_on_drop: false }`
[INFO] [stdout] 16948e3351c083d36e0ab9d0f272201b31585ec6ee020a7b07de0c36bd722f52
