[INFO] cloning repository https://github.com/zhaxzhax/socket-chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhaxzhax/socket-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18f1c0e2766cd0339c42b458faa636bd2535ec59 [INFO] checking zhaxzhax/socket-chat against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhaxzhax/socket-chat on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhaxzhax/socket-chat [INFO] finished tweaking git repo https://github.com/zhaxzhax/socket-chat [INFO] tweaked toml for git repo https://github.com/zhaxzhax/socket-chat written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zhaxzhax/socket-chat 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7e88bcffc650e0dfad72bf984a01e1ffd77ff543f56d0d7ce81d1e35dc63fa3 [INFO] running `Command { std: "docker" "start" "-a" "c7e88bcffc650e0dfad72bf984a01e1ffd77ff543f56d0d7ce81d1e35dc63fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7e88bcffc650e0dfad72bf984a01e1ffd77ff543f56d0d7ce81d1e35dc63fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7e88bcffc650e0dfad72bf984a01e1ffd77ff543f56d0d7ce81d1e35dc63fa3", kill_on_drop: false }` [INFO] [stdout] c7e88bcffc650e0dfad72bf984a01e1ffd77ff543f56d0d7ce81d1e35dc63fa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a03dc57187331c7c603783297c02697de963c1f41839e5c35959bd5567d6317a [INFO] running `Command { std: "docker" "start" "-a" "a03dc57187331c7c603783297c02697de963c1f41839e5c35959bd5567d6317a", kill_on_drop: false }` [INFO] [stderr] Checking socket-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `mutex_release` [INFO] [stdout] --> src/lib.rs:62:33 [INFO] [stdout] | [INFO] [stdout] 62 | ... let mutex_release = mutex; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutex_release` [INFO] [stdout] --> src/lib.rs:62:33 [INFO] [stdout] | [INFO] [stdout] 62 | ... let mutex_release = mutex; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutex_release` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/lib.rs:61:25 [INFO] [stdout] | [INFO] [stdout] 61 | / move || { [INFO] [stdout] 62 | | let mutex_release = mutex; [INFO] [stdout] 63 | | println!("销毁锁") [INFO] [stdout] 64 | | }; [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused closure that must be used [INFO] [stdout] --> src/lib.rs:61:25 [INFO] [stdout] | [INFO] [stdout] 61 | / move || { [INFO] [stdout] 62 | | let mutex_release = mutex; [INFO] [stdout] 63 | | println!("销毁锁") [INFO] [stdout] 64 | | }; [INFO] [stdout] | |_________________________^ [INFO] [stdout] | [INFO] [stdout] = note: closures are lazy and do nothing unless called [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: unused import: `ThreadPool` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use socket_chat::{StreamPool, ThreadPool}; [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] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ThreadPool` [INFO] [stdout] --> src/main.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use socket_chat::{StreamPool, ThreadPool}; [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] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::TcpStream` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::net::TcpStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "a03dc57187331c7c603783297c02697de963c1f41839e5c35959bd5567d6317a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03dc57187331c7c603783297c02697de963c1f41839e5c35959bd5567d6317a", kill_on_drop: false }` [INFO] [stdout] a03dc57187331c7c603783297c02697de963c1f41839e5c35959bd5567d6317a [INFO] checking zhaxzhax/socket-chat against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaxzhax%2Fsocket-chat" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhaxzhax/socket-chat on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhaxzhax/socket-chat [INFO] finished tweaking git repo https://github.com/zhaxzhax/socket-chat [INFO] tweaked toml for git repo https://github.com/zhaxzhax/socket-chat written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zhaxzhax/socket-chat 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db04ecd309ae2e572467c40470189301260dc32a513c46446e5968c7000e4163 [INFO] running `Command { std: "docker" "start" "-a" "db04ecd309ae2e572467c40470189301260dc32a513c46446e5968c7000e4163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db04ecd309ae2e572467c40470189301260dc32a513c46446e5968c7000e4163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db04ecd309ae2e572467c40470189301260dc32a513c46446e5968c7000e4163", kill_on_drop: false }` [INFO] [stdout] db04ecd309ae2e572467c40470189301260dc32a513c46446e5968c7000e4163 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ced190417a2af4c84ea9ef3ec1f5d42c13643f9c4da05008da79a86c3fd744d [INFO] running `Command { std: "docker" "start" "-a" "2ced190417a2af4c84ea9ef3ec1f5d42c13643f9c4da05008da79a86c3fd744d", kill_on_drop: false }` [INFO] [stderr] Checking socket-chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/lib.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let thread = thread::spawn(move || loop { [INFO] [stdout] | _________________^^^^^^___- [INFO] [stdout] 52 | | let mut buffer = [0; 512]; [INFO] [stdout] 53 | | let mut mutex = stream_list[id].lock().unwrap(); [INFO] [stdout] 54 | | match &mut *mutex { [INFO] [stdout] ... | [INFO] [stdout] 96 | | } [INFO] [stdout] 97 | | }); [INFO] [stdout] | |______________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `thread` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 51 | let thread: JoinHandle = thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/lib.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let thread = thread::spawn(move || loop { [INFO] [stdout] | _________________^^^^^^___- [INFO] [stdout] 52 | | let mut buffer = [0; 512]; [INFO] [stdout] 53 | | let mut mutex = stream_list[id].lock().unwrap(); [INFO] [stdout] 54 | | match &mut *mutex { [INFO] [stdout] ... | [INFO] [stdout] 96 | | } [INFO] [stdout] 97 | | }); [INFO] [stdout] | |______________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `thread` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 51 | let thread: JoinHandle = thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `socket-chat` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `socket-chat` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "2ced190417a2af4c84ea9ef3ec1f5d42c13643f9c4da05008da79a86c3fd744d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ced190417a2af4c84ea9ef3ec1f5d42c13643f9c4da05008da79a86c3fd744d", kill_on_drop: false }` [INFO] [stdout] 2ced190417a2af4c84ea9ef3ec1f5d42c13643f9c4da05008da79a86c3fd744d