[INFO] cloning repository https://github.com/baij930312/axum_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baij930312/axum_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2f6d4942f6a27c73df923063b6a51d76651cd4b [INFO] testing baij930312/axum_demo against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaij930312%2Faxum_demo" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/baij930312/axum_demo on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/baij930312/axum_demo [INFO] finished tweaking git repo https://github.com/baij930312/axum_demo [INFO] tweaked toml for git repo https://github.com/baij930312/axum_demo written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/baij930312/axum_demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56118c9b9465450bfa55c72f9f254d57458407d09a34db63a9c4efa9d2c0419b [INFO] running `Command { std: "docker" "start" "-a" "56118c9b9465450bfa55c72f9f254d57458407d09a34db63a9c4efa9d2c0419b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56118c9b9465450bfa55c72f9f254d57458407d09a34db63a9c4efa9d2c0419b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56118c9b9465450bfa55c72f9f254d57458407d09a34db63a9c4efa9d2c0419b", kill_on_drop: false }` [INFO] [stdout] 56118c9b9465450bfa55c72f9f254d57458407d09a34db63a9c4efa9d2c0419b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34919e020c02a1b700c0331b2dc2cdffddc60aa5f3245a35f2cabfb5cdb910a2 [INFO] running `Command { std: "docker" "start" "-a" "34919e020c02a1b700c0331b2dc2cdffddc60aa5f3245a35f2cabfb5cdb910a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling futures-sink v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.131 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling alloc-no-stdlib v2.0.3 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling wyz v0.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling funty v1.1.0 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling tower-layer v0.3.1 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling http-range-header v0.3.0 [INFO] [stderr] Compiling spin v0.9.2 [INFO] [stderr] Compiling 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[INFO] [stderr] Compiling http v0.2.5 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling brotli-decompressor v2.3.2 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling bitvec v0.19.6 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling brotli v3.3.2 [INFO] [stderr] Compiling hdrhistogram v6.3.4 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling futures v0.3.19 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling iri-string v0.4.0 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling tokio-macros v1.6.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling int-enum-impl v0.4.0 [INFO] [stderr] Compiling enum-iterator-derive v0.7.0 [INFO] [stderr] Compiling int-enum v0.4.0 [INFO] [stderr] Compiling enum-iterator v0.7.0 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling axum-core v0.1.1 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling structopt v0.3.25 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling async-compression v0.3.8 [INFO] [stderr] Compiling tower v0.4.11 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling hyper v0.14.15 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling tower-http v0.2.0 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling axum v0.4.2 [INFO] [stderr] Compiling web v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "34919e020c02a1b700c0331b2dc2cdffddc60aa5f3245a35f2cabfb5cdb910a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34919e020c02a1b700c0331b2dc2cdffddc60aa5f3245a35f2cabfb5cdb910a2", kill_on_drop: false }` [INFO] [stdout] 34919e020c02a1b700c0331b2dc2cdffddc60aa5f3245a35f2cabfb5cdb910a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 776e85cbcb583b7bceb837d52377417291f3904c0d958728a41c147917443693 [INFO] running `Command { std: "docker" "start" "-a" "776e85cbcb583b7bceb837d52377417291f3904c0d958728a41c147917443693", 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling web v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::sync::Notify` [INFO] [stdout] --> examples/delay.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::Notify; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sync::oneshot` [INFO] [stdout] --> examples/select.rs:3:33 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::{select, sync::mpsc, sync::oneshot}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut n1 = TreeNode::new(1); [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: function is never used: `remove` [INFO] [stdout] --> examples/heap.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn remove(nums: &mut Vec) -> Option { [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] --> examples/tree.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut n2 = TreeNode::new(2); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut n3 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut n9 = TreeNode::new(9); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut n4 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut n5 = TreeNode::new(5); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let mut n6 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tree.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut n7 = TreeNode { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `preorder` [INFO] [stdout] --> examples/tree.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn preorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `postorder` [INFO] [stdout] --> examples/tree.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn postorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inorder` [INFO] [stdout] --> examples/tree.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn inorder(root: Option>>, v: &mut Vec) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `preorder_traversal` [INFO] [stdout] --> examples/tree.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn preorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inorder_traversal` [INFO] [stdout] --> examples/tree.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn inorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_k_lists` [INFO] [stdout] --> examples/merge_two_list.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `postorder_traversal` [INFO] [stdout] --> examples/tree.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn postorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `levelorder` [INFO] [stdout] --> examples/tree.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn levelorder(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> examples/tree.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn dfs(node: Option>>, v: &mut Vec>>>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs_traversal` [INFO] [stdout] --> examples/tree.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn dfs_traversal(node: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_max_depth_bfs` [INFO] [stdout] --> examples/tree.rs:217:4 [INFO] [stdout] | [INFO] [stdout] 217 | fn find_max_depth_bfs(node: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle1` [INFO] [stdout] --> examples/select.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let handle1 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle2` [INFO] [stdout] --> examples/select.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let handle2 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle3` [INFO] [stdout] --> examples/select.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let handle3 = tokio::spawn(async move { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `action` [INFO] [stdout] --> examples/select.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | async fn action(input: Option) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec` [INFO] [stdout] --> examples/echo-server-copy.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::vec; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `layer::layer_fn` [INFO] [stdout] --> examples/middleware.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | use tower::{layer::layer_fn, Service, ServiceBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt` [INFO] [stdout] --> examples/echo-server-copy.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `val` [INFO] [stdout] --> examples/reverse_list.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> examples/reverse_list.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> examples/reverse_list.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn reverse(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> examples/sort.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `val` [INFO] [stdout] --> examples/rm_nth_from_end_of_list.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> examples/rm_nth_from_end_of_list.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_from_end` [INFO] [stdout] --> examples/rm_nth_from_end_of_list.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn remove_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bbb` [INFO] [stdout] --> examples/min_stack.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | let bbb = aaa.clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bbb` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bubble` [INFO] [stdout] --> examples/sort.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn bubble(mut v: Vec) -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fast_sort` [INFO] [stdout] --> examples/sort.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn fast_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `position` [INFO] [stdout] --> examples/sort.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn position(v: &mut Vec, left: usize, right: usize) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_kth_largest` [INFO] [stdout] --> examples/sort.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn find_kth_largest(v: &mut Vec, left: usize, right: usize, k: usize) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `position_k` [INFO] [stdout] --> examples/sort.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn position_k(v: &mut Vec, left: usize, right: usize, k: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `merge_sort` [INFO] [stdout] --> examples/sort.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn merge_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Student` [INFO] [stdout] --> examples/min_stack.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | struct Student { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Color` [INFO] [stdout] --> examples/min_stack.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 101 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> examples/min_stack.rs:105:5 [INFO] [stdout] | [INFO] [stdout] 105 | Red(String), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/min_stack.rs:103:10 [INFO] [stdout] | [INFO] [stdout] 103 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Blue` [INFO] [stdout] --> examples/min_stack.rs:106:5 [INFO] [stdout] | [INFO] [stdout] 106 | Blue(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/min_stack.rs:103:10 [INFO] [stdout] | [INFO] [stdout] 103 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> examples/min_stack.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | Yellow(String), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> examples/min_stack.rs:103:10 [INFO] [stdout] | [INFO] [stdout] 103 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `distinct` [INFO] [stdout] --> examples/min_stack.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn distinct(mut sorted_arr: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> examples/min_stack.rs:128:4 [INFO] [stdout] | [INFO] [stdout] 128 | fn plus_one(mut num_vec: Vec) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/middleware.rs:176:24 [INFO] [stdout] | [INFO] [stdout] 176 | fn call(&mut self, mut req: Request) -> Self::Future { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 29.23s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/web-e9cce301199f643b) [INFO] running `Command { std: "docker" "inspect" "776e85cbcb583b7bceb837d52377417291f3904c0d958728a41c147917443693", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "776e85cbcb583b7bceb837d52377417291f3904c0d958728a41c147917443693", kill_on_drop: false }` [INFO] [stdout] 776e85cbcb583b7bceb837d52377417291f3904c0d958728a41c147917443693 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 964da23d2a8e9fce3d98652b4bae20ae67a078299329ea278f1a1f2ac2a31631 [INFO] running `Command { std: "docker" "start" "-a" "964da23d2a8e9fce3d98652b4bae20ae67a078299329ea278f1a1f2ac2a31631", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `merge_k_lists` [INFO] [stderr] --> examples/merge_two_list.rs:88:4 [INFO] [stderr] | [INFO] [stderr] 88 | fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `val` [INFO] [stderr] --> examples/rm_nth_from_end_of_list.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | val: i32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> examples/rm_nth_from_end_of_list.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove_from_end` [INFO] [stderr] --> examples/rm_nth_from_end_of_list.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn remove_from_end(head: Option>, n: i32) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `sync::oneshot` [INFO] [stderr] --> examples/select.rs:3:33 [INFO] [stderr] | [INFO] [stderr] 3 | use tokio::{select, sync::mpsc, sync::oneshot}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle1` [INFO] [stderr] --> examples/select.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 56 | let handle1 = tokio::spawn(async move { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle2` [INFO] [stderr] --> examples/select.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | let handle2 = tokio::spawn(async move { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle3` [INFO] [stderr] --> examples/select.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let handle3 = tokio::spawn(async move { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle3` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `action` [INFO] [stderr] --> examples/select.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | async fn action(input: Option) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `layer::layer_fn` [INFO] [stderr] --> examples/middleware.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | use tower::{layer::layer_fn, Service, ServiceBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/middleware.rs:176:24 [INFO] [stderr] | [INFO] [stderr] 176 | fn call(&mut self, mut req: Request) -> Self::Future { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::sync::Notify` [INFO] [stderr] --> examples/delay.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use tokio::sync::Notify; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::num` [INFO] [stderr] --> examples/sort.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::num; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bubble` [INFO] [stderr] --> examples/sort.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn bubble(mut v: Vec) -> Vec { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fast_sort` [INFO] [stderr] --> examples/sort.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn fast_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `position` [INFO] [stderr] --> examples/sort.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn position(v: &mut Vec, left: usize, right: usize) -> usize { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_kth_largest` [INFO] [stderr] --> examples/sort.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn find_kth_largest(v: &mut Vec, left: usize, right: usize, k: usize) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `position_k` [INFO] [stderr] --> examples/sort.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn position_k(v: &mut Vec, left: usize, right: usize, k: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge_sort` [INFO] [stderr] --> examples/sort.rs:75:4 [INFO] [stderr] | [INFO] [stderr] 75 | fn merge_sort(v: &mut Vec, left: usize, right: usize) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `remove` [INFO] [stderr] --> examples/heap.rs:53:4 [INFO] [stderr] | [INFO] [stderr] 53 | fn remove(nums: &mut Vec) -> Option { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut n1 = TreeNode::new(1); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut n2 = TreeNode::new(2); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut n3 = TreeNode { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let mut n9 = TreeNode::new(9); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | let mut n4 = TreeNode { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut n5 = TreeNode::new(5); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let mut n6 = TreeNode { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tree.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut n7 = TreeNode { [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `preorder` [INFO] [stderr] --> examples/tree.rs:63:4 [INFO] [stderr] | [INFO] [stderr] 63 | fn preorder(root: Option>>, v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `postorder` [INFO] [stderr] --> examples/tree.rs:74:4 [INFO] [stderr] | [INFO] [stderr] 74 | fn postorder(root: Option>>, v: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inorder` [INFO] [stderr] --> examples/tree.rs:85:4 [INFO] [stderr] | [INFO] [stderr] 85 | fn inorder(root: Option>>, v: &mut Vec) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `preorder_traversal` [INFO] [stderr] --> examples/tree.rs:96:4 [INFO] [stderr] | [INFO] [stderr] 96 | fn preorder_traversal(root: Option>>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inorder_traversal` [INFO] [stderr] --> examples/tree.rs:114:4 [INFO] [stderr] | [INFO] [stderr] 114 | fn inorder_traversal(root: Option>>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `postorder_traversal` [INFO] [stderr] --> examples/tree.rs:132:4 [INFO] [stderr] | [INFO] [stderr] 132 | fn postorder_traversal(root: Option>>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `levelorder` [INFO] [stderr] --> examples/tree.rs:152:4 [INFO] [stderr] | [INFO] [stderr] 152 | fn levelorder(root: Option>>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dfs` [INFO] [stderr] --> examples/tree.rs:168:4 [INFO] [stderr] | [INFO] [stderr] 168 | fn dfs(node: Option>>, v: &mut Vec>>>) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dfs_traversal` [INFO] [stderr] --> examples/tree.rs:190:4 [INFO] [stderr] | [INFO] [stderr] 190 | fn dfs_traversal(node: Option>>) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_max_depth_bfs` [INFO] [stderr] --> examples/tree.rs:217:4 [INFO] [stderr] | [INFO] [stderr] 217 | fn find_max_depth_bfs(node: Option>>) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bbb` [INFO] [stderr] --> examples/min_stack.rs:181:9 [INFO] [stderr] | [INFO] [stderr] 181 | let bbb = aaa.clone(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_bbb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Student` [INFO] [stderr] --> examples/min_stack.rs:96:8 [INFO] [stderr] | [INFO] [stderr] 96 | struct Student { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Color` [INFO] [stderr] --> examples/min_stack.rs:101:8 [INFO] [stderr] | [INFO] [stderr] 101 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stderr] --> examples/min_stack.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | Red(String), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/min_stack.rs:103:10 [INFO] [stderr] | [INFO] [stderr] 103 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Blue` [INFO] [stderr] --> examples/min_stack.rs:106:5 [INFO] [stderr] | [INFO] [stderr] 106 | Blue(String), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/min_stack.rs:103:10 [INFO] [stderr] | [INFO] [stderr] 103 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yellow` [INFO] [stderr] --> examples/min_stack.rs:107:5 [INFO] [stderr] | [INFO] [stderr] 107 | Yellow(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `ColorNoParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> examples/min_stack.rs:103:10 [INFO] [stderr] | [INFO] [stderr] 103 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `distinct` [INFO] [stderr] --> examples/min_stack.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 110 | fn distinct(mut sorted_arr: Vec) -> i32 { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `plus_one` [INFO] [stderr] --> examples/min_stack.rs:128:4 [INFO] [stderr] | [INFO] [stderr] 128 | fn plus_one(mut num_vec: Vec) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `val` [INFO] [stderr] --> examples/reverse_list.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | val: i32, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> examples/reverse_list.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `reverse` [INFO] [stderr] --> examples/reverse_list.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn reverse(head: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::vec` [INFO] [stderr] --> examples/echo-server-copy.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::vec; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncReadExt`, `AsyncWriteExt` [INFO] [stderr] --> examples/echo-server-copy.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `web` (example "merge_two_list") generated 1 warning [INFO] [stderr] warning: `web` (example "rm_nth_from_end_of_list") generated 2 warnings [INFO] [stderr] warning: `web` (example "select") generated 5 warnings [INFO] [stderr] warning: `web` (example "middleware") generated 2 warnings [INFO] [stderr] warning: `web` (example "delay") generated 1 warning [INFO] [stderr] warning: `web` (example "sort") generated 7 warnings [INFO] [stderr] warning: `web` (example "heap") generated 1 warning [INFO] [stderr] warning: `web` (example "tree") generated 18 warnings [INFO] [stderr] warning: `web` (example "min_stack") generated 8 warnings [INFO] [stderr] warning: `web` (example "reverse_list") generated 2 warnings [INFO] [stderr] warning: `web` (example "echo-server-copy") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/web-e9cce301199f643b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "964da23d2a8e9fce3d98652b4bae20ae67a078299329ea278f1a1f2ac2a31631", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "964da23d2a8e9fce3d98652b4bae20ae67a078299329ea278f1a1f2ac2a31631", kill_on_drop: false }` [INFO] [stdout] 964da23d2a8e9fce3d98652b4bae20ae67a078299329ea278f1a1f2ac2a31631