[INFO] cloning repository https://github.com/Rustifan/server-from-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rustifan/server-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustifan%2Fserver-from-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustifan%2Fserver-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1aa44cf88d1d11f8205b37afbfb6543495802597 [INFO] checking Rustifan/server-from-scratch against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustifan%2Fserver-from-scratch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Rustifan/server-from-scratch 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/Rustifan/server-from-scratch [INFO] finished tweaking git repo https://github.com/Rustifan/server-from-scratch [INFO] tweaked toml for git repo https://github.com/Rustifan/server-from-scratch written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Rustifan/server-from-scratch 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5322580ee52676cd916701f3e077b5d904dc4601983edb9b561804ef0f8d0f94 [INFO] running `Command { std: "docker" "start" "-a" "5322580ee52676cd916701f3e077b5d904dc4601983edb9b561804ef0f8d0f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5322580ee52676cd916701f3e077b5d904dc4601983edb9b561804ef0f8d0f94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5322580ee52676cd916701f3e077b5d904dc4601983edb9b561804ef0f8d0f94", kill_on_drop: false }` [INFO] [stdout] 5322580ee52676cd916701f3e077b5d904dc4601983edb9b561804ef0f8d0f94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 101ea6bb44f513bcbaa449d19860c5239b58103c439f69d97eb2a1390389405a [INFO] running `Command { std: "docker" "start" "-a" "101ea6bb44f513bcbaa449d19860c5239b58103c439f69d97eb2a1390389405a", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking cpufeatures v0.2.6 [INFO] [stderr] Checking http v0.1.0 (/opt/rustwide/workdir/http) [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking scenario1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking http_server v0.1.0 (/opt/rustwide/workdir/http_server) [INFO] [stdout] warning: unused imports: `Mutex`, `slice::Iter` [INFO] [stdout] --> http_server/src/web_socket.rs:1:70 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Mutex`, `slice::Iter` [INFO] [stdout] --> http_server/src/web_socket.rs:1:70 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> http_server/src/web_socket.rs:1:83 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> http_server/src/web_socket.rs:1:83 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> http_server/src/server.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn write(&mut self, data: &[u8])-> Result<(), Error>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to_all` is never used [INFO] [stdout] --> http_server/src/web_socket.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl WebSocketConnections{ [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn send_to_all(&mut self, buf: &[u8]){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `write` is never used [INFO] [stdout] --> http_server/src/server.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn write(&mut self, data: &[u8])-> Result<(), Error>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to_all` is never used [INFO] [stdout] --> http_server/src/web_socket.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl WebSocketConnections{ [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn send_to_all(&mut self, buf: &[u8]){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "101ea6bb44f513bcbaa449d19860c5239b58103c439f69d97eb2a1390389405a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "101ea6bb44f513bcbaa449d19860c5239b58103c439f69d97eb2a1390389405a", kill_on_drop: false }` [INFO] [stdout] 101ea6bb44f513bcbaa449d19860c5239b58103c439f69d97eb2a1390389405a [INFO] checking Rustifan/server-from-scratch against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustifan%2Fserver-from-scratch" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Rustifan/server-from-scratch 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/Rustifan/server-from-scratch [INFO] finished tweaking git repo https://github.com/Rustifan/server-from-scratch [INFO] tweaked toml for git repo https://github.com/Rustifan/server-from-scratch written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Rustifan/server-from-scratch 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d54be9bd030133f982bfde756e4f3da957bf0282bdbcec19d98c9bcd0f74845 [INFO] running `Command { std: "docker" "start" "-a" "9d54be9bd030133f982bfde756e4f3da957bf0282bdbcec19d98c9bcd0f74845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d54be9bd030133f982bfde756e4f3da957bf0282bdbcec19d98c9bcd0f74845", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d54be9bd030133f982bfde756e4f3da957bf0282bdbcec19d98c9bcd0f74845", kill_on_drop: false }` [INFO] [stdout] 9d54be9bd030133f982bfde756e4f3da957bf0282bdbcec19d98c9bcd0f74845 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 71d5a762243a354ccffea8b01d7c62b99e1716e4af5a970f5f59833d6167f2c0 [INFO] running `Command { std: "docker" "start" "-a" "71d5a762243a354ccffea8b01d7c62b99e1716e4af5a970f5f59833d6167f2c0", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking cpufeatures v0.2.6 [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Checking http v0.1.0 (/opt/rustwide/workdir/http) [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking http_server v0.1.0 (/opt/rustwide/workdir/http_server) [INFO] [stderr] Checking scenario1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Mutex`, `slice::Iter` [INFO] [stdout] --> http_server/src/web_socket.rs:1:70 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Mutex`, `slice::Iter` [INFO] [stdout] --> http_server/src/web_socket.rs:1:70 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> http_server/src/server.rs:68:27 [INFO] [stdout] | [INFO] [stdout] 68 | thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^^ [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: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 68 ~ thread::spawn(move || -> /* Type */ { loop { [INFO] [stdout] 69 | [INFO] [stdout] ... [INFO] [stdout] 116| connections.lock().unwrap().push_front(connection); [INFO] [stdout] 117~ } }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> http_server/src/server.rs:68:27 [INFO] [stdout] | [INFO] [stdout] 68 | thread::spawn(move || loop { [INFO] [stdout] | ^^^^^^^ [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: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 68 ~ thread::spawn(move || -> /* Type */ { loop { [INFO] [stdout] 69 | [INFO] [stdout] ... [INFO] [stdout] 116| connections.lock().unwrap().push_front(connection); [INFO] [stdout] 117~ } }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> http_server/src/web_socket.rs:1:83 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Write` [INFO] [stdout] --> http_server/src/web_socket.rs:1:83 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{net::TcpStream, collections::{HashMap, LinkedList}, sync::{Mutex, Arc}, io::Write, slice::Iter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `http_server` (bin "http_server") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `http_server` (bin "http_server" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "71d5a762243a354ccffea8b01d7c62b99e1716e4af5a970f5f59833d6167f2c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71d5a762243a354ccffea8b01d7c62b99e1716e4af5a970f5f59833d6167f2c0", kill_on_drop: false }` [INFO] [stdout] 71d5a762243a354ccffea8b01d7c62b99e1716e4af5a970f5f59833d6167f2c0