[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 1.90.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DriedYellowPeach/algs-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f11689fde62f6ff26beb2533157472cdc0b16627a36c19c15fd2110350669bb
[INFO] running `Command { std: "docker" "start" "-a" "4f11689fde62f6ff26beb2533157472cdc0b16627a36c19c15fd2110350669bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f11689fde62f6ff26beb2533157472cdc0b16627a36c19c15fd2110350669bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f11689fde62f6ff26beb2533157472cdc0b16627a36c19c15fd2110350669bb", kill_on_drop: false }`
[INFO] [stdout] 4f11689fde62f6ff26beb2533157472cdc0b16627a36c19c15fd2110350669bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b270e87a8a6d92c59462b9c0728700b72da6ad3f8de0f9fb6c81a352ca94a6
[INFO] running `Command { std: "docker" "start" "-a" "d5b270e87a8a6d92c59462b9c0728700b72da6ad3f8de0f9fb6c81a352ca94a6", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d5b270e87a8a6d92c59462b9c0728700b72da6ad3f8de0f9fb6c81a352ca94a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b270e87a8a6d92c59462b9c0728700b72da6ad3f8de0f9fb6c81a352ca94a6", kill_on_drop: false }`
[INFO] [stdout] d5b270e87a8a6d92c59462b9c0728700b72da6ad3f8de0f9fb6c81a352ca94a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1394540c9a7f67c36979d3f81aebfe4524d6b86b6e047b18798d86e7b91377fa
[INFO] running `Command { std: "docker" "start" "-a" "1394540c9a7f67c36979d3f81aebfe4524d6b86b6e047b18798d86e7b91377fa", kill_on_drop: false }`
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1394540c9a7f67c36979d3f81aebfe4524d6b86b6e047b18798d86e7b91377fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1394540c9a7f67c36979d3f81aebfe4524d6b86b6e047b18798d86e7b91377fa", kill_on_drop: false }`
[INFO] [stdout] 1394540c9a7f67c36979d3f81aebfe4524d6b86b6e047b18798d86e7b91377fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8ac42df3d41217e5305d915092c5db45028c7c7f222975741da5fd522e6f866
[INFO] running `Command { std: "docker" "start" "-a" "c8ac42df3d41217e5305d915092c5db45028c7c7f222975741da5fd522e6f866", 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)]` 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)]` 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algs-a298d25282302a1e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test stack::test_my_stack ... ok
[INFO] [stdout] test rand_sample::test::test_select_random_basic ... ok
[INFO] [stdout] test tests::test_union_find_mod ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test union_find::quick_find::test::test_quick_find ... ok
[INFO] [stdout] test union_find::quick_union::test::test_quick_uinon_basics ... ok
[INFO] [stdout] test union_find::weighted_quick_union::test::test_weighted_quick_union_basics ... 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 0.60s
[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)]` 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" "c8ac42df3d41217e5305d915092c5db45028c7c7f222975741da5fd522e6f866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ac42df3d41217e5305d915092c5db45028c7c7f222975741da5fd522e6f866", kill_on_drop: false }`
[INFO] [stdout] c8ac42df3d41217e5305d915092c5db45028c7c7f222975741da5fd522e6f866