[INFO] cloning repository https://github.com/peoplestealusernames/Konica_Tab_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peoplestealusernames/Konica_Tab_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeoplestealusernames%2FKonica_Tab_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeoplestealusernames%2FKonica_Tab_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b7567f57f49e0e4e4ceb81464a733e136100b9d [INFO] checking peoplestealusernames/Konica_Tab_Rust/7b7567f57f49e0e4e4ceb81464a733e136100b9d against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeoplestealusernames%2FKonica_Tab_Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/peoplestealusernames/Konica_Tab_Rust [INFO] finished tweaking git repo https://github.com/peoplestealusernames/Konica_Tab_Rust [INFO] tweaked toml for git repo https://github.com/peoplestealusernames/Konica_Tab_Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/peoplestealusernames/Konica_Tab_Rust on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/peoplestealusernames/Konica_Tab_Rust 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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f239669cd9fe347827d6f4dd721a122d2b51c792bdb97873138154cb378f8aaa [INFO] running `Command { std: "docker" "start" "-a" "f239669cd9fe347827d6f4dd721a122d2b51c792bdb97873138154cb378f8aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f239669cd9fe347827d6f4dd721a122d2b51c792bdb97873138154cb378f8aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f239669cd9fe347827d6f4dd721a122d2b51c792bdb97873138154cb378f8aaa", kill_on_drop: false }` [INFO] [stdout] f239669cd9fe347827d6f4dd721a122d2b51c792bdb97873138154cb378f8aaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b8889c8fb4c83d01da89cee33af230fee5df7cc3912ca3002cfe928bfd5a5ce [INFO] running `Command { std: "docker" "start" "-a" "4b8889c8fb4c83d01da89cee33af230fee5df7cc3912ca3002cfe928bfd5a5ce", kill_on_drop: false }` [INFO] [stderr] Checking Konica v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `collections::LinkedList`, `fmt::format`, and `str::Split` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | collections::LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | fmt::format, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 6 | str::Split, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | if (i % 20 == 0 && i != 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - if (i % 20 == 0 && i != 0) { [INFO] [stdout] 25 + if i % 20 == 0 && i != 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | if (i >= 20) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 65 - if (i >= 20) { [INFO] [stdout] 65 + if i >= 20 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | for (i, tabs) in thing.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tabs` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for (i, tabs) in thing.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tabs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `collections::LinkedList`, `fmt::format`, and `str::Split` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | collections::LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 3 | fmt::format, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 6 | str::Split, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | if (i % 20 == 0 && i != 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - if (i % 20 == 0 && i != 0) { [INFO] [stdout] 25 + if i % 20 == 0 && i != 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | if (i >= 20) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 65 - if (i >= 20) { [INFO] [stdout] 65 + if i >= 20 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut rep = format!("{}{}{}", "{", i + 1, "}"); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | remove_dir_all("./KSF"); [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] 21 | let _ = remove_dir_all("./KSF"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | for (i, tabs) in thing.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | create_dir_all("./KSF"); [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] 22 | let _ = create_dir_all("./KSF"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | buf_reader.read_to_string(&mut contents); [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] 60 | let _ = buf_reader.read_to_string(&mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tabs` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | for (i, tabs) in thing.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tabs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let mut rep = format!("{}{}{}", "{", i + 1, "}"); [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 `Result` that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | remove_dir_all("./KSF"); [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] 21 | let _ = remove_dir_all("./KSF"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | create_dir_all("./KSF"); [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] 22 | let _ = create_dir_all("./KSF"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | buf_reader.read_to_string(&mut contents); [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] 60 | let _ = buf_reader.read_to_string(&mut contents); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "4b8889c8fb4c83d01da89cee33af230fee5df7cc3912ca3002cfe928bfd5a5ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b8889c8fb4c83d01da89cee33af230fee5df7cc3912ca3002cfe928bfd5a5ce", kill_on_drop: false }` [INFO] [stdout] 4b8889c8fb4c83d01da89cee33af230fee5df7cc3912ca3002cfe928bfd5a5ce