[INFO] fetching crate unit9 0.1.0... [INFO] building unit9-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate unit9 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate unit9 0.1.0 [INFO] finished tweaking crates.io crate unit9 0.1.0 [INFO] tweaked toml for crates.io crate unit9 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unit9 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate unit9 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cb7ee35a0d321ec6b6229af18d4331fdb4adc2db67b9cb1c346d637fed3b0d3 [INFO] running `Command { std: "docker" "start" "-a" "3cb7ee35a0d321ec6b6229af18d4331fdb4adc2db67b9cb1c346d637fed3b0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cb7ee35a0d321ec6b6229af18d4331fdb4adc2db67b9cb1c346d637fed3b0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cb7ee35a0d321ec6b6229af18d4331fdb4adc2db67b9cb1c346d637fed3b0d3", kill_on_drop: false }` [INFO] [stdout] 3cb7ee35a0d321ec6b6229af18d4331fdb4adc2db67b9cb1c346d637fed3b0d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd8f6501f4fdc40954c705f4ea9bf62fdab3c46ff95820b72375c4aa15d7a634 [INFO] running `Command { std: "docker" "start" "-a" "dd8f6501f4fdc40954c705f4ea9bf62fdab3c46ff95820b72375c4aa15d7a634", kill_on_drop: false }` [INFO] [stderr] Compiling unit9 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let file = File::create(file_path).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let file = File::open(file_path).expect(""); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | Ok(file) => { println!("打开文件成功"); } [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | if let Ok(file) = file_create_result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_open_result` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let file_open_result = File::open(file_path).map_err(|err| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_open_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_create_result` [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let file_create_result = File::create(file_path).unwrap_or_else(|err| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_create_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:57:78 [INFO] [stdout] | [INFO] [stdout] 57 | let file_create_result = File::create(file_path).unwrap_or_else(|err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `panic` is never used [INFO] [stdout] --> src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `panic_shortcut` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn panic_shortcut(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_ordinary` is never used [INFO] [stdout] --> src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn result_ordinary(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_closure` is never used [INFO] [stdout] --> src/main.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn result_closure(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "dd8f6501f4fdc40954c705f4ea9bf62fdab3c46ff95820b72375c4aa15d7a634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd8f6501f4fdc40954c705f4ea9bf62fdab3c46ff95820b72375c4aa15d7a634", kill_on_drop: false }` [INFO] [stdout] dd8f6501f4fdc40954c705f4ea9bf62fdab3c46ff95820b72375c4aa15d7a634 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0042884b1c55ef41e4fc2f1e763d78c6c472f1398341dd08e4ef2b8e83d14be3 [INFO] running `Command { std: "docker" "start" "-a" "0042884b1c55ef41e4fc2f1e763d78c6c472f1398341dd08e4ef2b8e83d14be3", kill_on_drop: false }` [INFO] [stderr] Compiling unit9 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let file = File::create(file_path).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let file = File::open(file_path).expect(""); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | Ok(file) => { println!("打开文件成功"); } [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/main.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | if let Ok(file) = file_create_result { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_open_result` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let file_open_result = File::open(file_path).map_err(|err| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_open_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file_create_result` [INFO] [stdout] --> src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | let file_create_result = File::create(file_path).unwrap_or_else(|err| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_create_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/main.rs:57:78 [INFO] [stdout] | [INFO] [stdout] 57 | let file_create_result = File::create(file_path).unwrap_or_else(|err| { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `panic` is never used [INFO] [stdout] --> src/main.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `panic_shortcut` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn panic_shortcut(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_ordinary` is never used [INFO] [stdout] --> src/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn result_ordinary(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `result_closure` is never used [INFO] [stdout] --> src/main.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn result_closure(file_path: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "0042884b1c55ef41e4fc2f1e763d78c6c472f1398341dd08e4ef2b8e83d14be3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0042884b1c55ef41e4fc2f1e763d78c6c472f1398341dd08e4ef2b8e83d14be3", kill_on_drop: false }` [INFO] [stdout] 0042884b1c55ef41e4fc2f1e763d78c6c472f1398341dd08e4ef2b8e83d14be3