[INFO] cloning repository https://github.com/LuoZheng2002/csci561hw1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LuoZheng2002/csci561hw1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2b3bb460992526f501ec725cc15bb7f1b476eb6 [INFO] checking LuoZheng2002/csci561hw1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/LuoZheng2002/csci561hw1 [INFO] finished tweaking git repo https://github.com/LuoZheng2002/csci561hw1 [INFO] tweaked toml for git repo https://github.com/LuoZheng2002/csci561hw1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/LuoZheng2002/csci561hw1 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/LuoZheng2002/csci561hw1 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a565603c05ba4ab1f12b9cdc9d468aaf49019f106c2314173bbd0e749c2cec80 [INFO] running `Command { std: "docker" "start" "-a" "a565603c05ba4ab1f12b9cdc9d468aaf49019f106c2314173bbd0e749c2cec80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a565603c05ba4ab1f12b9cdc9d468aaf49019f106c2314173bbd0e749c2cec80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a565603c05ba4ab1f12b9cdc9d468aaf49019f106c2314173bbd0e749c2cec80", kill_on_drop: false }` [INFO] [stdout] a565603c05ba4ab1f12b9cdc9d468aaf49019f106c2314173bbd0e749c2cec80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15ff6d7b8fd9a7ec70d617bc7a85395b098a357339625fe4446e040b84e8504e [INFO] running `Command { std: "docker" "start" "-a" "15ff6d7b8fd9a7ec70d617bc7a85395b098a357339625fe4446e040b84e8504e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking anstyle-query v1.1.4 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking anstream v0.6.20 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Checking clap_builder v4.5.47 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking ordered-float v5.0.0 [INFO] [stderr] Checking generic-array v1.2.0 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking feistel v0.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Compiling clap_derive v4.5.47 [INFO] [stderr] Checking clap v4.5.47 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/cover_tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Reverse; [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: `BinaryHeap` [INFO] [stdout] --> src/cover_tree.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::{BTreeMap, BinaryHeap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ordered_float::NotNan` [INFO] [stdout] --> src/cover_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use ordered_float::NotNan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::problem::RcKey` [INFO] [stdout] --> src/cover_tree.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::problem::RcKey; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ordered_float::NotNan` [INFO] [stdout] --> src/generator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ordered_float::NotNan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BinaryHeap`, `Ordering`, and `Reverse` [INFO] [stdout] --> src/genetic.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | cmp::{Ordering, Reverse}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] 5 | collections::{BTreeSet, BinaryHeap, VecDeque}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `seq::SliceRandom` [INFO] [stdout] --> src/genetic.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::{Rng, SeedableRng, rngs::StdRng, seq::SliceRandom}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RcKey` [INFO] [stdout] --> src/genetic.rs:13:43 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::problem::{Population, Problem, RcKey, Solution}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::BinaryHeap` [INFO] [stdout] --> src/problem.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | collections::BinaryHeap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `seq::SliceRandom` [INFO] [stdout] --> src/problem.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | seq::SliceRandom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/genetic.rs:176:41 [INFO] [stdout] | [INFO] [stdout] 175 | ... return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 176 | / ... assert!( [INFO] [stdout] 177 | | ... new_child2 [INFO] [stdout] 178 | | ... .is_valid(parent2.order_without_loop.len() as u32) [INFO] [stdout] 179 | | ... ); [INFO] [stdout] | |_______________________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Reverse` [INFO] [stdout] --> src/cover_tree.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Reverse; [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: `BinaryHeap` [INFO] [stdout] --> src/cover_tree.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::{BTreeMap, BinaryHeap}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ordered_float::NotNan` [INFO] [stdout] --> src/cover_tree.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use ordered_float::NotNan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::problem::RcKey` [INFO] [stdout] --> src/cover_tree.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::problem::RcKey; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ordered_float::NotNan` [INFO] [stdout] --> src/generator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ordered_float::NotNan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BinaryHeap`, `Ordering`, and `Reverse` [INFO] [stdout] --> src/genetic.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | cmp::{Ordering, Reverse}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] 5 | collections::{BTreeSet, BinaryHeap, VecDeque}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `seq::SliceRandom` [INFO] [stdout] --> src/genetic.rs:11:44 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::{Rng, SeedableRng, rngs::StdRng, seq::SliceRandom}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RcKey` [INFO] [stdout] --> src/genetic.rs:13:43 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::problem::{Population, Problem, RcKey, Solution}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::BinaryHeap` [INFO] [stdout] --> src/problem.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | collections::BinaryHeap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `seq::SliceRandom` [INFO] [stdout] --> src/problem.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | seq::SliceRandom, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/random_perm.rs:62:23 [INFO] [stdout] | [INFO] [stdout] 62 | fn feistel(&self, mut x: u32) -> u32 { [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] error: struct `CoverTreeNodeChildrenIter` is never constructed [INFO] [stdout] --> src/cover_tree.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct CoverTreeNodeChildrenIter<'a, T: Ord + Clone + Distance + std::fmt::Debug> { [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_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/genetic.rs:176:41 [INFO] [stdout] | [INFO] [stdout] 175 | ... return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 176 | / ... assert!( [INFO] [stdout] 177 | | ... new_child2 [INFO] [stdout] 178 | | ... .is_valid(parent2.order_without_loop.len() as u32) [INFO] [stdout] 179 | | ... ); [INFO] [stdout] | |_______________________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust` (lib test) due to 1 previous error; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/random_perm.rs:62:23 [INFO] [stdout] | [INFO] [stdout] 62 | fn feistel(&self, mut x: u32) -> u32 { [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] error: struct `CoverTreeNodeChildrenIter` is never constructed [INFO] [stdout] --> src/cover_tree.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct CoverTreeNodeChildrenIter<'a, T: Ord + Clone + Distance + std::fmt::Debug> { [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_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust` (lib) due to 1 previous error; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "15ff6d7b8fd9a7ec70d617bc7a85395b098a357339625fe4446e040b84e8504e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15ff6d7b8fd9a7ec70d617bc7a85395b098a357339625fe4446e040b84e8504e", kill_on_drop: false }` [INFO] [stdout] 15ff6d7b8fd9a7ec70d617bc7a85395b098a357339625fe4446e040b84e8504e