[INFO] cloning repository https://github.com/ityy/rust_async_chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ityy/rust_async_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_async_chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_async_chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf278c79717ed7ba3b8e8a112ab19f8f1d8052a3 [INFO] checking ityy/rust_async_chat against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityy%2Frust_async_chat" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ityy/rust_async_chat on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ityy/rust_async_chat [INFO] finished tweaking git repo https://github.com/ityy/rust_async_chat [INFO] tweaked toml for git repo https://github.com/ityy/rust_async_chat written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/ityy/rust_async_chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 386f33ae3cf2ffbcfd61125c8a2bae29cd5f9a912fc91b64169573ff2250dd4a [INFO] running `Command { std: "docker" "start" "-a" "386f33ae3cf2ffbcfd61125c8a2bae29cd5f9a912fc91b64169573ff2250dd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "386f33ae3cf2ffbcfd61125c8a2bae29cd5f9a912fc91b64169573ff2250dd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "386f33ae3cf2ffbcfd61125c8a2bae29cd5f9a912fc91b64169573ff2250dd4a", kill_on_drop: false }` [INFO] [stdout] 386f33ae3cf2ffbcfd61125c8a2bae29cd5f9a912fc91b64169573ff2250dd4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39ba3a8b63fc2cb7bf5c4a59ea925731ace55d3a8b6c6b2abfee451c213403b1 [INFO] running `Command { std: "docker" "start" "-a" "39ba3a8b63fc2cb7bf5c4a59ea925731ace55d3a8b6c6b2abfee451c213403b1", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking async-macros v2.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking rust_async_chat v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/t02_receiving_messages.rs (2 fixes) [INFO] [stderr] Fixed src/t04_connecting_readers_and_writers.rs (1 fix) [INFO] [stdout] warning: unused import: `task` [INFO] [stdout] --> src/t01_accept_loop.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | task, // 2 [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `rust_async_chat` [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / //! 规格与说明 [INFO] [stdout] 2 | | //! 聊天使用基于TCP的简单文本协议。该协议包含utf-8消息，以\n分隔。 [INFO] [stdout] 3 | | //! 客户端连接到服务器，并作为第一行发送登录信息。之后，客户端可以使用以下语法将消息发送给其他客户端： ... [INFO] [stdout] 4 | | //! login1, login2, ... loginN: message [INFO] [stdout] ... | [INFO] [stdout] 20 | | //mod t03_sending_messages; [INFO] [stdout] 21 | | mod t04_connecting_readers_and_writers; [INFO] [stdout] | |_______________________________________^ consider adding a `main` function to `src/main.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/t02_receiving_messages.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::{AsyncReadExt, Future, FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/t02_receiving_messages.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::{AsyncReadExt, Future, FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/t02_receiving_messages.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::{AsyncReadExt, Future, FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureExt` [INFO] [stdout] --> src/t02_receiving_messages.rs:10:37 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::{AsyncReadExt, Future, FutureExt, StreamExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] warning: function is never used: `spawn_and_log_error` [INFO] [stdout] --> src/t02_receiving_messages.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn spawn_and_log_error(fut: F) -> task::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NewPeer` [INFO] [stdout] --> src/t04_connecting_readers_and_writers.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | / NewPeer { [INFO] [stdout] 16 | | name: String, [INFO] [stdout] 17 | | stream: Arc, [INFO] [stdout] 18 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Message` [INFO] [stdout] --> src/t04_connecting_readers_and_writers.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / Message { [INFO] [stdout] 20 | | from: String, [INFO] [stdout] 21 | | to: Vec, [INFO] [stdout] 22 | | msg: String, [INFO] [stdout] 23 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_async_chat` due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "39ba3a8b63fc2cb7bf5c4a59ea925731ace55d3a8b6c6b2abfee451c213403b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ba3a8b63fc2cb7bf5c4a59ea925731ace55d3a8b6c6b2abfee451c213403b1", kill_on_drop: false }` [INFO] [stdout] 39ba3a8b63fc2cb7bf5c4a59ea925731ace55d3a8b6c6b2abfee451c213403b1