[INFO] cloning repository https://github.com/harukikaneko/rust-algorithms-practise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harukikaneko/rust-algorithms-practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukikaneko%2Frust-algorithms-practise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukikaneko%2Frust-algorithms-practise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2b97fdc3310f815b3e69e35343d4ea7c576a4478 [INFO] checking harukikaneko/rust-algorithms-practise against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukikaneko%2Frust-algorithms-practise" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/harukikaneko/rust-algorithms-practise on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/harukikaneko/rust-algorithms-practise [INFO] finished tweaking git repo https://github.com/harukikaneko/rust-algorithms-practise [INFO] tweaked toml for git repo https://github.com/harukikaneko/rust-algorithms-practise written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/harukikaneko/rust-algorithms-practise 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7fb06a76594361b4357c40d557d9197ab590cdc45ed7596c49e79205391114f [INFO] running `Command { std: "docker" "start" "-a" "a7fb06a76594361b4357c40d557d9197ab590cdc45ed7596c49e79205391114f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7fb06a76594361b4357c40d557d9197ab590cdc45ed7596c49e79205391114f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7fb06a76594361b4357c40d557d9197ab590cdc45ed7596c49e79205391114f", kill_on_drop: false }` [INFO] [stdout] a7fb06a76594361b4357c40d557d9197ab590cdc45ed7596c49e79205391114f [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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b620affb673d4dffa608ff90c885db33687b552f3128aa860e197e2822f839e [INFO] running `Command { std: "docker" "start" "-a" "0b620affb673d4dffa608ff90c885db33687b552f3128aa860e197e2822f839e", kill_on_drop: false }` [INFO] [stderr] Checking rust_algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> algorithms/stack_queue.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `is_empty` are never used [INFO] [stdout] --> algorithms/stack_queue.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Stack { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 7 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn push(&mut self, value: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Queue` is never constructed [INFO] [stdout] --> algorithms/stack_queue.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Queue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push_front`, `push_back`, `pop_front`, `pop_back`, and `is_empty` are never used [INFO] [stdout] --> algorithms/stack_queue.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Queue { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 39 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn push_front(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn push_back(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TreeNode` is never constructed [INFO] [stdout] --> algorithms/tree_node.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct TreeNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreeNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `binary_tree` is never used [INFO] [stdout] --> algorithms/tree_node.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn binary_tree(p: Option>, q: Option>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "0b620affb673d4dffa608ff90c885db33687b552f3128aa860e197e2822f839e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b620affb673d4dffa608ff90c885db33687b552f3128aa860e197e2822f839e", kill_on_drop: false }` [INFO] [stdout] 0b620affb673d4dffa608ff90c885db33687b552f3128aa860e197e2822f839e [INFO] checking harukikaneko/rust-algorithms-practise against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharukikaneko%2Frust-algorithms-practise" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/harukikaneko/rust-algorithms-practise on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/harukikaneko/rust-algorithms-practise [INFO] finished tweaking git repo https://github.com/harukikaneko/rust-algorithms-practise [INFO] tweaked toml for git repo https://github.com/harukikaneko/rust-algorithms-practise written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/harukikaneko/rust-algorithms-practise 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2db5e710efba25ec02d1cfe3e5c89a52631ae80315b47f942c073b108dd17a50 [INFO] running `Command { std: "docker" "start" "-a" "2db5e710efba25ec02d1cfe3e5c89a52631ae80315b47f942c073b108dd17a50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2db5e710efba25ec02d1cfe3e5c89a52631ae80315b47f942c073b108dd17a50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2db5e710efba25ec02d1cfe3e5c89a52631ae80315b47f942c073b108dd17a50", kill_on_drop: false }` [INFO] [stdout] 2db5e710efba25ec02d1cfe3e5c89a52631ae80315b47f942c073b108dd17a50 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f69db1d2809a08faaffb485c894351ceedd28d93c13d396ad7854c46b6d566a [INFO] running `Command { std: "docker" "start" "-a" "9f69db1d2809a08faaffb485c894351ceedd28d93c13d396ad7854c46b6d566a", kill_on_drop: false }` [INFO] [stderr] Checking rust_algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> algorithms/stack_queue.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stack` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `is_empty` are never used [INFO] [stdout] --> algorithms/stack_queue.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Stack { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 7 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub fn push(&mut self, value: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Queue` is never constructed [INFO] [stdout] --> algorithms/stack_queue.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Queue { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Queue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push_front`, `push_back`, `pop_front`, `pop_back`, and `is_empty` are never used [INFO] [stdout] --> algorithms/stack_queue.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Queue { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 39 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn push_front(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn push_back(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TreeNode` is never constructed [INFO] [stdout] --> algorithms/tree_node.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct TreeNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TreeNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `binary_tree` is never used [INFO] [stdout] --> algorithms/tree_node.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn binary_tree(p: Option>, q: Option>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "9f69db1d2809a08faaffb485c894351ceedd28d93c13d396ad7854c46b6d566a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f69db1d2809a08faaffb485c894351ceedd28d93c13d396ad7854c46b6d566a", kill_on_drop: false }` [INFO] [stdout] 9f69db1d2809a08faaffb485c894351ceedd28d93c13d396ad7854c46b6d566a