[INFO] cloning repository https://github.com/sahilpant/Rust_DSA [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sahilpant/Rust_DSA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilpant%2FRust_DSA", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilpant%2FRust_DSA'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 77fa6d793a6e66871dc8eebd2d1b7b4f07b726cb [INFO] checking sahilpant/Rust_DSA against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilpant%2FRust_DSA" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sahilpant/Rust_DSA [INFO] finished tweaking git repo https://github.com/sahilpant/Rust_DSA [INFO] tweaked toml for git repo https://github.com/sahilpant/Rust_DSA written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sahilpant/Rust_DSA on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sahilpant/Rust_DSA 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b15a6d9a9850ba3d719fd8a864e29c6879b8726e933c9694d35bf4c4cac00ff [INFO] running `Command { std: "docker" "start" "-a" "3b15a6d9a9850ba3d719fd8a864e29c6879b8726e933c9694d35bf4c4cac00ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b15a6d9a9850ba3d719fd8a864e29c6879b8726e933c9694d35bf4c4cac00ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b15a6d9a9850ba3d719fd8a864e29c6879b8726e933c9694d35bf4c4cac00ff", kill_on_drop: false }` [INFO] [stdout] 3b15a6d9a9850ba3d719fd8a864e29c6879b8726e933c9694d35bf4c4cac00ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c097cae791310b333ce343c1ef51806d5960fd7d6865ef1580e6ef3c42f5a620 [INFO] running `Command { std: "docker" "start" "-a" "c097cae791310b333ce343c1ef51806d5960fd7d6865ef1580e6ef3c42f5a620", kill_on_drop: false }` [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling cc v1.2.6 [INFO] [stderr] Compiling jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Checking jemallocator v0.5.4 [INFO] [stderr] Checking Rust_DSA v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{io::{self, Read}, time::Instant}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::min_by` [INFO] [stdout] --> src/best_time_to_sell_stock.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::min_by; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> src/link_list_2.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, fmt::Debug, ops::Deref, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{io::{self, Read}, time::Instant}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::min_by` [INFO] [stdout] --> src/best_time_to_sell_stock.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::min_by; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> src/link_list_2.rs:1:38 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, fmt::Debug, ops::Deref, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/best_time_to_sell_stock.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut min_price:i32 = prices[0]; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/plus_one.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | for x in 0..digits.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `min` is never read [INFO] [stdout] --> src/gcd.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut min = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/bubble_sort.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut j = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/bubble_sort.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut flag = true; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ctr` is assigned to, but never used [INFO] [stdout] --> src/bubble_sort.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut ctr = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_ctr` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/insertion_sort.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut j = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/example_for_dynamic_dispatch.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/best_time_to_sell_stock.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut min_price:i32 = prices[0]; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/plus_one.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | for x in 0..digits.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `min` is never read [INFO] [stdout] --> src/gcd.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut min = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/bubble_sort.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut j = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `flag` is never read [INFO] [stdout] --> src/bubble_sort.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut flag = true; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ctr` is assigned to, but never used [INFO] [stdout] --> src/bubble_sort.rs:9:13 [INFO] [stdout] | [INFO] [stdout] 9 | let mut ctr = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_ctr` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `j` is never read [INFO] [stdout] --> src/insertion_sort.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut j = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `points` [INFO] [stdout] --> src/example_for_dynamic_dispatch.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | let points = vec![Point { x: 1.0, y: 2.0, z: 3.0 }; 1_000_000]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x`, `y`, and `z` are never read [INFO] [stdout] --> src/example_for_dynamic_dispatch.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 18 | x: f32, [INFO] [stdout] | ^ [INFO] [stdout] 19 | y: f32, [INFO] [stdout] | ^ [INFO] [stdout] 20 | z: f32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "c097cae791310b333ce343c1ef51806d5960fd7d6865ef1580e6ef3c42f5a620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c097cae791310b333ce343c1ef51806d5960fd7d6865ef1580e6ef3c42f5a620", kill_on_drop: false }` [INFO] [stdout] c097cae791310b333ce343c1ef51806d5960fd7d6865ef1580e6ef3c42f5a620