[INFO] cloning repository https://github.com/zlx2019/rust-training [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zlx2019/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzlx2019%2Frust-training", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzlx2019%2Frust-training'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5a4256501884a262c72c7f1fac5bdbd456edae0 [INFO] checking zlx2019/rust-training against master#cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9 for pr-136968 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzlx2019%2Frust-training" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... 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[INFO] [stderr] Downloaded imap-proto v0.16.5 [INFO] [stderr] Downloaded aws-lc-rs v1.12.2 [INFO] [stderr] Downloaded imap v3.0.0-alpha.15 [INFO] [stderr] Downloaded aws-lc-sys v0.25.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" 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"/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cfe9ffcd7c2d63fd3e0fc33a8d23ac4f0d50efe9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a0f9751ed4172fc62ad5cfe2f2ce3a3fafa065421004c4bb01e4029ca5cf19d [INFO] running `Command { std: "docker" "start" "-a" "6a0f9751ed4172fc62ad5cfe2f2ce3a3fafa065421004c4bb01e4029ca5cf19d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.16 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Checking bytes v1.10.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling shlex v1.3.0 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(/opt/rustwide/workdir/asyncs-tokio) [INFO] [stderr] Checking asyncs-tokio-network v0.1.0 (/opt/rustwide/workdir/asyncs-tokio-network) [INFO] [stderr] Checking derive_more v1.0.0 [INFO] [stderr] Checking errors-handle-example v0.1.0 (/opt/rustwide/workdir/errors-handle-example) [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking files v0.1.0 (/opt/rustwide/workdir/files) [INFO] [stdout] warning: unused imports: `DateTime` and `Local` [INFO] [stdout] --> files/examples/08_file_metadata.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono::{DateTime, Local}; [INFO] [stdout] | ^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::*` [INFO] [stdout] --> files/examples/01_file.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::fs::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures v0.3.31 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> files/examples/05_write_file.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut content = "Hello world"; [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] [stderr] Checking macros v0.1.0 (/opt/rustwide/workdir/macros) [INFO] [stderr] Checking io v0.1.0 (/opt/rustwide/workdir/io) [INFO] [stderr] Checking asyncs v0.1.0 (/opt/rustwide/workdir/asyncs) [INFO] [stderr] Checking oop v0.1.0 (/opt/rustwide/workdir/oop) [INFO] [stderr] Checking unsafes v0.1.0 (/opt/rustwide/workdir/unsafes) [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> oop/examples/02_元组结构体.rs:4:14 [INFO] [stdout] | [INFO] [stdout] 4 | struct Color(u8, u8, u8); [INFO] [stdout] | ----- ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> oop/examples/02_元组结构体.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/traits) [INFO] [stderr] Checking web-server v0.1.0 (/opt/rustwide/workdir/web-server) [INFO] [stderr] Checking week_two v0.1.0 (/opt/rustwide/workdir/getting-started) [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> oop/examples/05_特征.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking csv v1.3.1 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking toml_edit v0.22.24 [INFO] [stderr] Checking loggers v0.1.0 (/opt/rustwide/workdir/loggers) [INFO] [stdout] warning: unused variable: `light` [INFO] [stdout] --> oop/examples/04_枚举.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let light = Light::On; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_light` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Up`, `Left`, and `Right` are never constructed [INFO] [stdout] --> oop/examples/04_枚举.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | enum Move{ [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 5 | Up, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | Down, [INFO] [stdout] 7 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | Right [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> oop/examples/04_枚举.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Point(f64, f64); [INFO] [stdout] | ----- ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> oop/examples/04_枚举.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | Up(f64), [INFO] [stdout] | -- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 15 - Up(f64), [INFO] [stdout] 15 + Up(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `To`, `Down`, `Left`, and `Right` are never constructed [INFO] [stdout] --> oop/examples/04_枚举.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | enum Move1{ [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 14 | To(Point), [INFO] [stdout] | ^^ [INFO] [stdout] 15 | Up(f64), [INFO] [stdout] 16 | Down(f64), [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | Left(f64), [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | Right(f64) [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x`, `y`, and `z` are never read [INFO] [stdout] --> oop/examples/04_枚举.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | Left{x: f64, y: f64, z: f64}, [INFO] [stdout] | ---- ^ ^ ^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Up`, `Down`, and `Right` are never constructed [INFO] [stdout] --> oop/examples/04_枚举.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | enum Move2{ [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 23 | Up{x: f64, y: f64, z: f64}, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | Down{x: f64, y: f64, z: f64}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 25 | Left{x: f64, y: f64, z: f64}, [INFO] [stdout] 26 | Right{x: f64, y: f64, z: f64}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Off` is never constructed [INFO] [stdout] --> oop/examples/04_枚举.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Light{ [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 31 | On = 1, [INFO] [stdout] 32 | Off = 2 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Light` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> web-server/examples/server_unitary.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | let stream: TcpStream = conn.unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `password` and `active` are never read [INFO] [stdout] --> oop/examples/01_结构体.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct User{ [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | username: String, [INFO] [stdout] 9 | password: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | active: bool [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error-handle v0.1.0 (/opt/rustwide/workdir/errors-handle) [INFO] [stderr] Checking imap v3.0.0-alpha.15 [INFO] [stderr] Checking toml v0.8.20 [INFO] [stderr] Checking anys v0.1.0 (/opt/rustwide/workdir/anys) [INFO] [stderr] Checking rustls-webpki v0.102.8 [INFO] [stderr] Checking rust-imap v0.1.0 (/opt/rustwide/workdir/rust-imap) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 20s [INFO] running `Command { std: "docker" "inspect" "6a0f9751ed4172fc62ad5cfe2f2ce3a3fafa065421004c4bb01e4029ca5cf19d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a0f9751ed4172fc62ad5cfe2f2ce3a3fafa065421004c4bb01e4029ca5cf19d", kill_on_drop: false }` [INFO] [stdout] 6a0f9751ed4172fc62ad5cfe2f2ce3a3fafa065421004c4bb01e4029ca5cf19d