[INFO] cloning repository https://github.com/kklesk/webserver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kklesk/webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklesk%2Fwebserver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklesk%2Fwebserver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2b438cf160d6fb313ffd53cc9837df530c7c0778 [INFO] checking kklesk/webserver against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkklesk%2Fwebserver" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kklesk/webserver on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kklesk/webserver [INFO] finished tweaking git repo https://github.com/kklesk/webserver [INFO] tweaked toml for git repo https://github.com/kklesk/webserver written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kklesk/webserver 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f6f23296cd3ad04ef32d8f778376449cdea0f138090e6ea6cc80e702740e1f6 [INFO] running `Command { std: "docker" "start" "-a" "6f6f23296cd3ad04ef32d8f778376449cdea0f138090e6ea6cc80e702740e1f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f6f23296cd3ad04ef32d8f778376449cdea0f138090e6ea6cc80e702740e1f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f6f23296cd3ad04ef32d8f778376449cdea0f138090e6ea6cc80e702740e1f6", kill_on_drop: false }` [INFO] [stdout] 6f6f23296cd3ad04ef32d8f778376449cdea0f138090e6ea6cc80e702740e1f6 [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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b66eb8bb6922b91e7dc72c5ae54f93020650931a35b5ef14471dcb4f4a7952e1 [INFO] running `Command { std: "docker" "start" "-a" "b66eb8bb6922b91e7dc72c5ae54f93020650931a35b5ef14471dcb4f4a7952e1", kill_on_drop: false }` [INFO] [stderr] Checking webserver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufReader, Write, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufReader` [INFO] [stdout] --> src/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{BufReader, Write, Read}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | listener: Option, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `single_connection` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | single_connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_connection` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | listener: Option, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `single_connection` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | single_connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_single_connection` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let response = "HTTP/1.1 200 OK \r\n\r\n"; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response` [INFO] [stdout] --> src/main.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | let response = "HTTP/1.1 200 OK \r\n\r\n"; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | let mut single_conn = conn.unwrap(); [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] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut buffer:[u8;1024] = [0;1024]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `check_get_request` [INFO] [stdout] --> src/main.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | let check_get_request = "GET /hello HTTP/1.1".as_bytes(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_check_get_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | let mut single_conn = conn.unwrap(); [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] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | let mut buffer:[u8;1024] = [0;1024]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `check_get_request` [INFO] [stdout] --> src/main.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | let check_get_request = "GET /hello HTTP/1.1".as_bytes(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_check_get_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let mut buffer:[u8;1024] = [0;1024]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `single_connection`, `ip_address`, `port_address`, and `max_connections` are never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct WebServer{ [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | listener: Option, [INFO] [stdout] 11 | single_connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | ip_address: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | port_address: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 14 | max_connections: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WebServer` 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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let mut buffer:[u8;1024] = [0;1024]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `connection_handler` is never used [INFO] [stdout] --> src/main.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn connection_handler(mut single_conn: &TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `single_connection`, `ip_address`, `port_address`, and `max_connections` are never read [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct WebServer{ [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | listener: Option, [INFO] [stdout] 11 | single_connection: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | ip_address: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 13 | port_address: Option, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 14 | max_connections: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WebServer` 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: function `connection_handler` is never used [INFO] [stdout] --> src/main.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn connection_handler(mut single_conn: &TcpStream) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/main.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | single_conn.write(response_html.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = single_conn.write(response_html.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | single_conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 108 | let _ = single_conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | single_conn.write(conent_err.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 110 | let _ = single_conn.write(conent_err.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | single_conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 111 | let _ = single_conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | single_conn.write(response_html.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = single_conn.write(response_html.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | single_conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 108 | let _ = single_conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | single_conn.write(conent_err.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 110 | let _ = single_conn.write(conent_err.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | single_conn.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 111 | let _ = single_conn.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "b66eb8bb6922b91e7dc72c5ae54f93020650931a35b5ef14471dcb4f4a7952e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b66eb8bb6922b91e7dc72c5ae54f93020650931a35b5ef14471dcb4f4a7952e1", kill_on_drop: false }` [INFO] [stdout] b66eb8bb6922b91e7dc72c5ae54f93020650931a35b5ef14471dcb4f4a7952e1