[INFO] cloning repository https://github.com/jangozw/rust-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jangozw/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangozw%2Frust-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangozw%2Frust-study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d4ff38159d2a37d49a1e7fa8d71f4099fd84337 [INFO] checking jangozw/rust-study against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjangozw%2Frust-study" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jangozw/rust-study 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/jangozw/rust-study [INFO] finished tweaking git repo https://github.com/jangozw/rust-study [INFO] tweaked toml for git repo https://github.com/jangozw/rust-study written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jangozw/rust-study 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 32fb6ad45387561571412f8b22ec38f97c0cbfd097a65d1b3bc2e502b4613454 [INFO] running `Command { std: "docker" "start" "-a" "32fb6ad45387561571412f8b22ec38f97c0cbfd097a65d1b3bc2e502b4613454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32fb6ad45387561571412f8b22ec38f97c0cbfd097a65d1b3bc2e502b4613454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32fb6ad45387561571412f8b22ec38f97c0cbfd097a65d1b3bc2e502b4613454", kill_on_drop: false }` [INFO] [stdout] 32fb6ad45387561571412f8b22ec38f97c0cbfd097a65d1b3bc2e502b4613454 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e2323391f9f0c5c6cd0e0a6616d87bc46e28cc7c48b5437885bb548a81903a9 [INFO] running `Command { std: "docker" "start" "-a" "5e2323391f9f0c5c6cd0e0a6616d87bc46e28cc7c48b5437885bb548a81903a9", kill_on_drop: false }` [INFO] [stderr] Checking datastruct v0.1.0 (/opt/rustwide/workdir/datastruct) [INFO] [stdout] warning: unused imports: `Display` and `Error` [INFO] [stdout] --> datastruct/src/single_link.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Debug, Display, Error}; [INFO] [stdout] | ^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `link_node` should have an upper camel case name [INFO] [stdout] --> datastruct/src/single_link.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct link_node { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `LinkNode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `link_list` should have an upper camel case name [INFO] [stdout] --> datastruct/src/single_link.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct link_list{ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `LinkList` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> datastruct/src/single_link.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | for i in 0..pos{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [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] --> datastruct/src/single_link.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut insert = Box::new(link_node::new(data)); [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: struct `link_node` is never constructed [INFO] [stdout] --> datastruct/src/single_link.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct link_node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `link_list` is never constructed [INFO] [stdout] --> datastruct/src/single_link.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct link_list{ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> datastruct/src/single_link.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 21 | impl link_node { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 22 | // 新建节点 [INFO] [stdout] 23 | fn new(data: T)->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `head_insert`, `rear_insert`, and `position_insert` are never used [INFO] [stdout] --> datastruct/src/single_link.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 29 | impl link_list { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 30 | // 新建一个链表 [INFO] [stdout] 31 | fn new()->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn head_insert(&mut self, data: T) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn rear_insert(&mut self, data: T){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn position_insert(&mut self, data: T, pos: i32) ->Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rust-study v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "5e2323391f9f0c5c6cd0e0a6616d87bc46e28cc7c48b5437885bb548a81903a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2323391f9f0c5c6cd0e0a6616d87bc46e28cc7c48b5437885bb548a81903a9", kill_on_drop: false }` [INFO] [stdout] 5e2323391f9f0c5c6cd0e0a6616d87bc46e28cc7c48b5437885bb548a81903a9