[INFO] cloning repository https://github.com/farhat-nawaz/dsa-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/farhat-nawaz/dsa-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarhat-nawaz%2Fdsa-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarhat-nawaz%2Fdsa-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0db18bfcc037cb585d5266eb49660bc622a02278 [INFO] checking farhat-nawaz/dsa-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarhat-nawaz%2Fdsa-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/farhat-nawaz/dsa-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/farhat-nawaz/dsa-rs [INFO] finished tweaking git repo https://github.com/farhat-nawaz/dsa-rs [INFO] tweaked toml for git repo https://github.com/farhat-nawaz/dsa-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/farhat-nawaz/dsa-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ebc9ea431d0c8eb01a2764edfb56b29081652b986c7f3dbaf2241e639665453 [INFO] running `Command { std: "docker" "start" "-a" "1ebc9ea431d0c8eb01a2764edfb56b29081652b986c7f3dbaf2241e639665453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ebc9ea431d0c8eb01a2764edfb56b29081652b986c7f3dbaf2241e639665453", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ebc9ea431d0c8eb01a2764edfb56b29081652b986c7f3dbaf2241e639665453", kill_on_drop: false }` [INFO] [stdout] 1ebc9ea431d0c8eb01a2764edfb56b29081652b986c7f3dbaf2241e639665453 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c761ea33cf07b5a6e50d2ba4b1ecc1c312489586f40d64bf103d95ecac9fa6b5 [INFO] running `Command { std: "docker" "start" "-a" "c761ea33cf07b5a6e50d2ba4b1ecc1c312489586f40d64bf103d95ecac9fa6b5", kill_on_drop: false }` [INFO] [stderr] Checking data-structures-and-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `List` and `Node` [INFO] [stdout] --> src/ds/linked_list.rs:118:17 [INFO] [stdout] | [INFO] [stdout] 118 | use super::{List, Node}; [INFO] [stdout] | ^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ds::DSError` [INFO] [stdout] --> src/ds/stack.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | use crate::ds::DSError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Node` and `Stack` [INFO] [stdout] --> src/ds/stack.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | use super::{Node, Stack}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/ds/linked_list.rs:118:23 [INFO] [stdout] | [INFO] [stdout] 118 | use super::{List, Node}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Node` [INFO] [stdout] --> src/ds/stack.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | use super::{Node, Stack}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/ds/mod.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/ds/mod.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `DSError` is never used [INFO] [stdout] --> src/ds/mod.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | enum DSError { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/ds/linked_list.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/ds/linked_list.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl List { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn insert(&mut self, value: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn insert_at(&mut self, value: T, index: usize) -> Result<(), DSError> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn delete(&mut self) -> Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn delete_at(&mut self, index: usize) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn get(&mut self, index: usize) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/ds/stack.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `len`, and `clear` are never used [INFO] [stdout] --> src/ds/stack.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Stack { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 9 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn push(&mut self, value: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn pop(&mut self) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_at` is never used [INFO] [stdout] --> src/ds/linked_list.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl List { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn delete_at(&mut self, index: usize) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clear` is never used [INFO] [stdout] --> src/ds/stack.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Stack { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "c761ea33cf07b5a6e50d2ba4b1ecc1c312489586f40d64bf103d95ecac9fa6b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c761ea33cf07b5a6e50d2ba4b1ecc1c312489586f40d64bf103d95ecac9fa6b5", kill_on_drop: false }` [INFO] [stdout] c761ea33cf07b5a6e50d2ba4b1ecc1c312489586f40d64bf103d95ecac9fa6b5