[INFO] cloning repository https://github.com/DriedYellowPeach/algs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DriedYellowPeach/algs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae834e3ebaaf65970ff3dc7236d0853d63a729d
[INFO] testing DriedYellowPeach/algs-rust against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-rust" "/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/DriedYellowPeach/algs-rust
[INFO] finished tweaking git repo https://github.com/DriedYellowPeach/algs-rust
[INFO] tweaked toml for git repo https://github.com/DriedYellowPeach/algs-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DriedYellowPeach/algs-rust on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DriedYellowPeach/algs-rust 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" "+beta-2025-09-21" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad59127d52aa0d9800f2a1ff6e60e2d59db6d9957a076866f5c65b7d7b528b8
[INFO] running `Command { std: "docker" "start" "-a" "fad59127d52aa0d9800f2a1ff6e60e2d59db6d9957a076866f5c65b7d7b528b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad59127d52aa0d9800f2a1ff6e60e2d59db6d9957a076866f5c65b7d7b528b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad59127d52aa0d9800f2a1ff6e60e2d59db6d9957a076866f5c65b7d7b528b8", kill_on_drop: false }`
[INFO] [stdout] fad59127d52aa0d9800f2a1ff6e60e2d59db6d9957a076866f5c65b7d7b528b8
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cae242641e1a134d689e8bf703b6e7bb1ee4877828b9737a55123d16dcb2275f
[INFO] running `Command { std: "docker" "start" "-a" "cae242641e1a134d689e8bf703b6e7bb1ee4877828b9737a55123d16dcb2275f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "cae242641e1a134d689e8bf703b6e7bb1ee4877828b9737a55123d16dcb2275f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae242641e1a134d689e8bf703b6e7bb1ee4877828b9737a55123d16dcb2275f", kill_on_drop: false }`
[INFO] [stdout] cae242641e1a134d689e8bf703b6e7bb1ee4877828b9737a55123d16dcb2275f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5d11d96293326ba7f9e23a8c21c29c7ee9ebd28fb865796c9a8fe3e2cca8fd
[INFO] running `Command { std: "docker" "start" "-a" "4e5d11d96293326ba7f9e23a8c21c29c7ee9ebd28fb865796c9a8fe3e2cca8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "4e5d11d96293326ba7f9e23a8c21c29c7ee9ebd28fb865796c9a8fe3e2cca8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5d11d96293326ba7f9e23a8c21c29c7ee9ebd28fb865796c9a8fe3e2cca8fd", kill_on_drop: false }`
[INFO] [stdout] 4e5d11d96293326ba7f9e23a8c21c29c7ee9ebd28fb865796c9a8fe3e2cca8fd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a5242d45f71c0e6c187a5acb8b8aabac9d47c8a375366a449da2be46f0d1691
[INFO] running `Command { std: "docker" "start" "-a" "6a5242d45f71c0e6c187a5acb8b8aabac9d47c8a375366a449da2be46f0d1691", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::stack`
[INFO] [stderr]  --> src/queue.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::stack;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stderr]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algs` (lib) generated 2 warnings (run `cargo fix --lib -p algs` to apply 1 suggestion)
[INFO] [stderr] warning: `algs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algs-f306263b27c67055)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test rand_sample::test::test_select_random_basic ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test union_find::quick_union::test::test_quick_uinon_basics ... ok
[INFO] [stdout] test union_find::quick_find::test::test_quick_find ... ok
[INFO] [stdout] test union_find::weighted_quick_union::test::test_weighted_quick_union_basics ... ok
[INFO] [stdout] test stack::test_my_stack ... ok
[INFO] [stdout] test tests::test_union_find_mod ... ok
[INFO] [stdout] test rand_sample::test::test_build_random_pool ... ok
[INFO] [stdout] test rand_sample::test::select_with_another_random ... ok
[INFO] [stdout] test rand_sample::test::test_select_random_uniform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algs
[INFO] [stderr] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stderr]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a5242d45f71c0e6c187a5acb8b8aabac9d47c8a375366a449da2be46f0d1691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5242d45f71c0e6c187a5acb8b8aabac9d47c8a375366a449da2be46f0d1691", kill_on_drop: false }`
[INFO] [stdout] 6a5242d45f71c0e6c187a5acb8b8aabac9d47c8a375366a449da2be46f0d1691