[INFO] cloning repository https://github.com/dinkdino/rust_algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinkdino/rust_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc8630a2f999803aafc1e190f0b992eb616d28dd
[INFO] testing dinkdino/rust_algo against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dinkdino/rust_algo on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dinkdino/rust_algo
[INFO] finished tweaking git repo https://github.com/dinkdino/rust_algo
[INFO] tweaked toml for git repo https://github.com/dinkdino/rust_algo written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/dinkdino/rust_algo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a535a8b3aa84d0fccb747576e389e5bc9784583e8a71139eca5bd3ca4452bab
[INFO] running `Command { std: "docker" "start" "-a" "1a535a8b3aa84d0fccb747576e389e5bc9784583e8a71139eca5bd3ca4452bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a535a8b3aa84d0fccb747576e389e5bc9784583e8a71139eca5bd3ca4452bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a535a8b3aa84d0fccb747576e389e5bc9784583e8a71139eca5bd3ca4452bab", kill_on_drop: false }`
[INFO] [stdout] 1a535a8b3aa84d0fccb747576e389e5bc9784583e8a71139eca5bd3ca4452bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b0789604328e460dc21c40b91f494f1683e3c3b3cee434a37f612303ed98ab6
[INFO] running `Command { std: "docker" "start" "-a" "3b0789604328e460dc21c40b91f494f1683e3c3b3cee434a37f612303ed98ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `heap::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heap::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Heap`
[INFO] [stdout]  --> src/heap.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Heap<T: PartialOrd, F> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(compare: F) -> Heap<T, F> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sink`
[INFO] [stdout]   --> src/heap.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn sink(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/heap.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn push(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/heap.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3b0789604328e460dc21c40b91f494f1683e3c3b3cee434a37f612303ed98ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0789604328e460dc21c40b91f494f1683e3c3b3cee434a37f612303ed98ab6", kill_on_drop: false }`
[INFO] [stdout] 3b0789604328e460dc21c40b91f494f1683e3c3b3cee434a37f612303ed98ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad2070faf1deb4e59806d9ae886f593feac107c39471ec112970453f4b13ceb1
[INFO] running `Command { std: "docker" "start" "-a" "ad2070faf1deb4e59806d9ae886f593feac107c39471ec112970453f4b13ceb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `heap::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use heap::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Heap`
[INFO] [stdout]  --> src/heap.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Heap<T: PartialOrd, F> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(compare: F) -> Heap<T, F> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sink`
[INFO] [stdout]   --> src/heap.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn sink(&mut self, index: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/heap.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn push(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/heap.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "ad2070faf1deb4e59806d9ae886f593feac107c39471ec112970453f4b13ceb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2070faf1deb4e59806d9ae886f593feac107c39471ec112970453f4b13ceb1", kill_on_drop: false }`
[INFO] [stdout] ad2070faf1deb4e59806d9ae886f593feac107c39471ec112970453f4b13ceb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3fc898218d1a09d3812d0683aba952f5aad940dccced346c615587450cba8f7
[INFO] running `Command { std: "docker" "start" "-a" "f3fc898218d1a09d3812d0683aba952f5aad940dccced346c615587450cba8f7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `heap::*`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use heap::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Heap`
[INFO] [stderr]  --> src/heap.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Heap<T: PartialOrd, F> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/heap.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(compare: F) -> Heap<T, F> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sink`
[INFO] [stderr]   --> src/heap.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn sink(&mut self, index: usize) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/heap.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn push(&mut self, value: T) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/heap.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_algo` (bin "rust_algo" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_algo-86d6e81cfa75fd3e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test binary_search::test::find_element_does_not_exist ... ok
[INFO] [stdout] test binary_search::test::find_element_exists ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3fc898218d1a09d3812d0683aba952f5aad940dccced346c615587450cba8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fc898218d1a09d3812d0683aba952f5aad940dccced346c615587450cba8f7", kill_on_drop: false }`
[INFO] [stdout] f3fc898218d1a09d3812d0683aba952f5aad940dccced346c615587450cba8f7