[INFO] cloning repository https://github.com/whisperflo/my_rust_practise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whisperflo/my_rust_practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhisperflo%2Fmy_rust_practise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhisperflo%2Fmy_rust_practise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f986313f2929f9b4ded14e68dd5a3e47b4e658b [INFO] checking whisperflo/my_rust_practise against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhisperflo%2Fmy_rust_practise" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/whisperflo/my_rust_practise [INFO] finished tweaking git repo https://github.com/whisperflo/my_rust_practise [INFO] tweaked toml for git repo https://github.com/whisperflo/my_rust_practise written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/whisperflo/my_rust_practise on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/whisperflo/my_rust_practise 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a23279da2e37394a8acbcebc70e6bfd66ddd46f4c7cf290711419ac05f19b75 [INFO] running `Command { std: "docker" "start" "-a" "1a23279da2e37394a8acbcebc70e6bfd66ddd46f4c7cf290711419ac05f19b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a23279da2e37394a8acbcebc70e6bfd66ddd46f4c7cf290711419ac05f19b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a23279da2e37394a8acbcebc70e6bfd66ddd46f4c7cf290711419ac05f19b75", kill_on_drop: false }` [INFO] [stdout] 1a23279da2e37394a8acbcebc70e6bfd66ddd46f4c7cf290711419ac05f19b75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e07bbb5e446f0174878512b548f63f140077eb14b55f348729acbc5329abea1b [INFO] running `Command { std: "docker" "start" "-a" "e07bbb5e446f0174878512b548f63f140077eb14b55f348729acbc5329abea1b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking my_project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Post` [INFO] [stdout] --> src/main.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{generics::largest, traits::{Post, Summary, Weibo, notify}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::SeekFrom` [INFO] [stdout] --> src/traits.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::SeekFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Post` [INFO] [stdout] --> src/main.rs:4:41 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::{generics::largest, traits::{Post, Summary, Weibo, notify}}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::SeekFrom` [INFO] [stdout] --> src/traits.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::SeekFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:329:29 [INFO] [stdout] | [INFO] [stdout] 329 | assert!(!matches!(arr, [x, ..])); // matches!宏支持空数组模式 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Post` is never constructed [INFO] [stdout] --> src/traits.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Post { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Weibo { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 25 | pub username: String, [INFO] [stdout] 26 | pub content: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:329:29 [INFO] [stdout] | [INFO] [stdout] 329 | assert!(!matches!(arr, [x, ..])); // matches!宏支持空数组模式 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Post` is never constructed [INFO] [stdout] --> src/traits.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Post { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Weibo { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 25 | pub username: String, [INFO] [stdout] 26 | pub content: String [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s [INFO] running `Command { std: "docker" "inspect" "e07bbb5e446f0174878512b548f63f140077eb14b55f348729acbc5329abea1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e07bbb5e446f0174878512b548f63f140077eb14b55f348729acbc5329abea1b", kill_on_drop: false }` [INFO] [stdout] e07bbb5e446f0174878512b548f63f140077eb14b55f348729acbc5329abea1b