[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] checking dinkdino/rust_algo against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinkdino%2Frust_algo" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinkdino/rust_algo on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e6e14546d7d17ceacc0233e3178467471808e9787c5ac16c57e992c79860786 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4e6e14546d7d17ceacc0233e3178467471808e9787c5ac16c57e992c79860786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e6e14546d7d17ceacc0233e3178467471808e9787c5ac16c57e992c79860786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e6e14546d7d17ceacc0233e3178467471808e9787c5ac16c57e992c79860786", kill_on_drop: false }` [INFO] [stdout] 4e6e14546d7d17ceacc0233e3178467471808e9787c5ac16c57e992c79860786 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce4ff6507a1eb5606bba7824b41c7850d48a160b52e18b0e72b0d69326dbf6db [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ce4ff6507a1eb5606bba7824b41c7850d48a160b52e18b0e72b0d69326dbf6db", kill_on_drop: false }` [INFO] [stderr] Checking 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: 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 { [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 { [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 { [INFO] [stdout] | ^^^ [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 { [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 { [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 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "ce4ff6507a1eb5606bba7824b41c7850d48a160b52e18b0e72b0d69326dbf6db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce4ff6507a1eb5606bba7824b41c7850d48a160b52e18b0e72b0d69326dbf6db", kill_on_drop: false }` [INFO] [stdout] ce4ff6507a1eb5606bba7824b41c7850d48a160b52e18b0e72b0d69326dbf6db