[INFO] cloning repository https://github.com/jkurian/basic-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkurian/basic-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkurian%2Fbasic-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkurian%2Fbasic-web-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80b3ed2849c4bda6af9307b4ac01d7c1b700afca [INFO] checking jkurian/basic-web-server against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkurian%2Fbasic-web-server" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkurian/basic-web-server on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jkurian/basic-web-server [INFO] finished tweaking git repo https://github.com/jkurian/basic-web-server [INFO] tweaked toml for git repo https://github.com/jkurian/basic-web-server written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/jkurian/basic-web-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2c7a1ea73b5b569466f916707d98dff609af6df2ec12225ea733996b37f286e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f2c7a1ea73b5b569466f916707d98dff609af6df2ec12225ea733996b37f286e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2c7a1ea73b5b569466f916707d98dff609af6df2ec12225ea733996b37f286e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2c7a1ea73b5b569466f916707d98dff609af6df2ec12225ea733996b37f286e", kill_on_drop: false }` [INFO] [stdout] f2c7a1ea73b5b569466f916707d98dff609af6df2ec12225ea733996b37f286e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70910e09893ed41a69df6f0108215af0e4f43615cd79b42c2f6e7e34e49a6772 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "70910e09893ed41a69df6f0108215af0e4f43615cd79b42c2f6e7e34e49a6772", kill_on_drop: false }` [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | if(size <= 0) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:60:30 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn execute(&self, f: F) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sender` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/lib.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | thread: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement drops value [INFO] [stdout] --> src/lib.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | receiver; [INFO] [stdout] | ^^^^^^^^^ help: use `drop` to clarify the intent: `drop(receiver);` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/lib.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | if(size <= 0) { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:60:30 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn execute(&self, f: F) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sender` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/lib.rs:15:3 [INFO] [stdout] | [INFO] [stdout] 15 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/lib.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | thread: thread::JoinHandle<()> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement drops value [INFO] [stdout] --> src/lib.rs:24:7 [INFO] [stdout] | [INFO] [stdout] 24 | receiver; [INFO] [stdout] | ^^^^^^^^^ help: use `drop` to clarify the intent: `drop(receiver);` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ThreadPoolError` [INFO] [stdout] --> src/bin/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | Err(ThreadPoolError) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ThreadPoolError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ThreadPool` should have a snake case name [INFO] [stdout] --> src/bin/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | Ok(ThreadPool) => ThreadPool, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ThreadPoolError` should have a snake case name [INFO] [stdout] --> src/bin/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | Err(ThreadPoolError) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ThreadPoolError` [INFO] [stdout] --> src/bin/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | Err(ThreadPoolError) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ThreadPoolError` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ThreadPool` should have a snake case name [INFO] [stdout] --> src/bin/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | Ok(ThreadPool) => ThreadPool, [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ThreadPoolError` should have a snake case name [INFO] [stdout] --> src/bin/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | Err(ThreadPoolError) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "70910e09893ed41a69df6f0108215af0e4f43615cd79b42c2f6e7e34e49a6772", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70910e09893ed41a69df6f0108215af0e4f43615cd79b42c2f6e7e34e49a6772", kill_on_drop: false }` [INFO] [stdout] 70910e09893ed41a69df6f0108215af0e4f43615cd79b42c2f6e7e34e49a6772