[INFO] cloning repository https://github.com/SuanCaiYv/AlgorithmInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuanCaiYv/AlgorithmInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanCaiYv%2FAlgorithmInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanCaiYv%2FAlgorithmInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32b42f5734af96b2ac3fbc8fd886b06e26653493
[INFO] checking SuanCaiYv/AlgorithmInRust against master#e3c43e64eceb00e13b1932229aa9b2d774e6af96 for pr-95953
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuanCaiYv%2FAlgorithmInRust" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuanCaiYv/AlgorithmInRust on toolchain e3c43e64eceb00e13b1932229aa9b2d774e6af96
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuanCaiYv/AlgorithmInRust
[INFO] finished tweaking git repo https://github.com/SuanCaiYv/AlgorithmInRust
[INFO] tweaked toml for git repo https://github.com/SuanCaiYv/AlgorithmInRust written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/SuanCaiYv/AlgorithmInRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91a8a1ef7ff3338b39dd2ea536e32f7b0b2e118d256b025f26bd627e20adc9dd
[INFO] running `Command { std: "docker" "start" "-a" "91a8a1ef7ff3338b39dd2ea536e32f7b0b2e118d256b025f26bd627e20adc9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a8a1ef7ff3338b39dd2ea536e32f7b0b2e118d256b025f26bd627e20adc9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a8a1ef7ff3338b39dd2ea536e32f7b0b2e118d256b025f26bd627e20adc9dd", kill_on_drop: false }`
[INFO] [stdout] 91a8a1ef7ff3338b39dd2ea536e32f7b0b2e118d256b025f26bd627e20adc9dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db6b581f97c0b4e3251831b940c86abaeb39de28139dca3693ab17d9258a0d9
[INFO] running `Command { std: "docker" "start" "-a" "7db6b581f97c0b4e3251831b940c86abaeb39de28139dca3693ab17d9258a0d9", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Checking AlgorithmInRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout] --> src/main.rs:1:5
[INFO] [stdout] |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout] --> src/list.rs:47:29
[INFO] [stdout] |
[INFO] [stdout] 47 | fn push_back(&mut self, val: T) {
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/list.rs:30:13
[INFO] [stdout] |
[INFO] [stdout] 30 | let mut h = Node {
[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: variable does not need to be mutable
[INFO] [stdout] --> src/list.rs:35:13
[INFO] [stdout] |
[INFO] [stdout] 35 | let mut t = Node {
[INFO] [stdout] | ----^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v1`
[INFO] [stdout] --> src/main.rs:6:5
[INFO] [stdout] |
[INFO] [stdout] 6 | v1: i32,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v2`
[INFO] [stdout] --> src/main.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 7 | v2: f64,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v3`
[INFO] [stdout] --> src/main.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | v3: i64,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout] --> src/main.rs:12:5
[INFO] [stdout] |
[INFO] [stdout] 12 | val: Inner,
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout] --> src/list.rs:3:8
[INFO] [stdout] |
[INFO] [stdout] 3 | struct Node<T> {
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct is never constructed: `List`
[INFO] [stdout] --> src/list.rs:21:8
[INFO] [stdout] |
[INFO] [stdout] 21 | struct List<T> {
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout] --> src/list.rs:28:8
[INFO] [stdout] |
[INFO] [stdout] 28 | fn new() -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `push_back`
[INFO] [stdout] --> src/list.rs:47:8
[INFO] [stdout] |
[INFO] [stdout] 47 | fn push_back(&mut self, val: T) {
[INFO] [stdout] | ^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: crate `AlgorithmInRust` should have a snake case name
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] = help: convert the identifier to snake case: `algorithm_in_rust`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout] --> src/main.rs:1:5
[INFO] [stdout] |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout] --> src/list.rs:47:29
[INFO] [stdout] |
[INFO] [stdout] 47 | fn push_back(&mut self, val: T) {
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/list.rs:30:13
[INFO] [stdout] |
[INFO] [stdout] 30 | let mut h = Node {
[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: variable does not need to be mutable
[INFO] [stdout] --> src/list.rs:35:13
[INFO] [stdout] |
[INFO] [stdout] 35 | let mut t = Node {
[INFO] [stdout] | ----^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v1`
[INFO] [stdout] --> src/main.rs:6:5
[INFO] [stdout] |
[INFO] [stdout] 6 | v1: i32,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v2`
[INFO] [stdout] --> src/main.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 7 | v2: f64,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `v3`
[INFO] [stdout] --> src/main.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | v3: i64,
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout] --> src/main.rs:12:5
[INFO] [stdout] |
[INFO] [stdout] 12 | val: Inner,
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct is never constructed: `Node`
[INFO] [stdout] --> src/list.rs:3:8
[INFO] [stdout] |
[INFO] [stdout] 3 | struct Node<T> {
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct is never constructed: `List`
[INFO] [stdout] --> src/list.rs:21:8
[INFO] [stdout] |
[INFO] [stdout] 21 | struct List<T> {
[INFO] [stdout] | ^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout] --> src/list.rs:28:8
[INFO] [stdout] |
[INFO] [stdout] 28 | fn new() -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `push_back`
[INFO] [stdout] --> src/list.rs:47:8
[INFO] [stdout] |
[INFO] [stdout] 47 | fn push_back(&mut self, val: T) {
[INFO] [stdout] | ^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: crate `AlgorithmInRust` should have a snake case name
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] = help: convert the identifier to snake case: `algorithm_in_rust`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "7db6b581f97c0b4e3251831b940c86abaeb39de28139dca3693ab17d9258a0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db6b581f97c0b4e3251831b940c86abaeb39de28139dca3693ab17d9258a0d9", kill_on_drop: false }`
[INFO] [stdout] 7db6b581f97c0b4e3251831b940c86abaeb39de28139dca3693ab17d9258a0d9