[INFO] fetching crate gitclass 0.8.0... [INFO] testing gitclass-0.8.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate gitclass 0.8.0 into /workspace/builds/worker-47/source [INFO] validating manifest of crates.io crate gitclass 0.8.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gitclass 0.8.0 [INFO] finished tweaking crates.io crate gitclass 0.8.0 [INFO] tweaked toml for crates.io crate gitclass 0.8.0 written to /workspace/builds/worker-47/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9ded520484cfa2d490d9877e9f0cf2753520e00ed2b870163cd1c1030c1d5dc [INFO] running `Command { std: "docker" "start" "-a" "b9ded520484cfa2d490d9877e9f0cf2753520e00ed2b870163cd1c1030c1d5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9ded520484cfa2d490d9877e9f0cf2753520e00ed2b870163cd1c1030c1d5dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9ded520484cfa2d490d9877e9f0cf2753520e00ed2b870163cd1c1030c1d5dc", kill_on_drop: false }` [INFO] [stdout] b9ded520484cfa2d490d9877e9f0cf2753520e00ed2b870163cd1c1030c1d5dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f972fdba0d64240c09c170db88f200d2561f500705222953fbf31e7f9e0c53b7 [INFO] running `Command { std: "docker" "start" "-a" "f972fdba0d64240c09c170db88f200d2561f500705222953fbf31e7f9e0c53b7", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling json v0.11.15 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling libz-sys v1.1.5 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling curl-sys v0.4.53+curl-7.82.0 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling git2 v0.7.5 [INFO] [stderr] Compiling gitclass v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | Err(e) => panic!("Couldn't open 'master' branch") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latest_obj` [INFO] [stdout] --> src/lib.rs:195:9 [INFO] [stdout] | [INFO] [stdout] 195 | let latest_obj = repo.revparse_single("HEAD").ok(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 198 | Err(e) => panic!("Couldn't find the remote ref") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | set_current_dir(name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 201 | / repo.reset(&remote_obj, [INFO] [stdout] 202 | | git2::ResetType::Hard, [INFO] [stdout] 203 | | Some(git2::build::CheckoutBuilder::new() [INFO] [stdout] 204 | | .force() [INFO] [stdout] 205 | | .remove_untracked(true) [INFO] [stdout] 206 | | )); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init_m` [INFO] [stdout] --> src/main.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | if let Some(init_m) = matches.subcommand_matches("init") { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `add_m` [INFO] [stdout] --> src/main.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | if let Some(add_m) = matches.subcommand_matches("add") { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_add_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `up_m` [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | if let Some(up_m) = matches.subcommand_matches("update") { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_up_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 34s [INFO] running `Command { std: "docker" "inspect" "f972fdba0d64240c09c170db88f200d2561f500705222953fbf31e7f9e0c53b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f972fdba0d64240c09c170db88f200d2561f500705222953fbf31e7f9e0c53b7", kill_on_drop: false }` [INFO] [stdout] f972fdba0d64240c09c170db88f200d2561f500705222953fbf31e7f9e0c53b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9ce3dfe63c27e560d967ba34c18699040637dea94a3a09ad17a22a8b02a4666 [INFO] running `Command { std: "docker" "start" "-a" "f9ce3dfe63c27e560d967ba34c18699040637dea94a3a09ad17a22a8b02a4666", kill_on_drop: false }` [INFO] [stderr] Compiling gitclass v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | Err(e) => panic!("Couldn't open 'master' branch") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latest_obj` [INFO] [stdout] --> src/lib.rs:195:9 [INFO] [stdout] | [INFO] [stdout] 195 | let latest_obj = repo.revparse_single("HEAD").ok(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 198 | Err(e) => panic!("Couldn't find the remote ref") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | set_current_dir(name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 201 | / repo.reset(&remote_obj, [INFO] [stdout] 202 | | git2::ResetType::Hard, [INFO] [stdout] 203 | | Some(git2::build::CheckoutBuilder::new() [INFO] [stdout] 204 | | .force() [INFO] [stdout] 205 | | .remove_untracked(true) [INFO] [stdout] 206 | | )); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init_m` [INFO] [stdout] --> src/main.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | if let Some(init_m) = matches.subcommand_matches("init") { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `add_m` [INFO] [stdout] --> src/main.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | if let Some(add_m) = matches.subcommand_matches("add") { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_add_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `up_m` [INFO] [stdout] --> src/main.rs:28:17 [INFO] [stdout] | [INFO] [stdout] 28 | if let Some(up_m) = matches.subcommand_matches("update") { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_up_m` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:182:13 [INFO] [stdout] | [INFO] [stdout] 182 | Err(e) => panic!("Couldn't open 'master' branch") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `latest_obj` [INFO] [stdout] --> src/lib.rs:195:9 [INFO] [stdout] | [INFO] [stdout] 195 | let latest_obj = repo.revparse_single("HEAD").ok(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/lib.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 198 | Err(e) => panic!("Couldn't find the remote ref") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | set_current_dir(name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:201:5 [INFO] [stdout] | [INFO] [stdout] 201 | / repo.reset(&remote_obj, [INFO] [stdout] 202 | | git2::ResetType::Hard, [INFO] [stdout] 203 | | Some(git2::build::CheckoutBuilder::new() [INFO] [stdout] 204 | | .force() [INFO] [stdout] 205 | | .remove_untracked(true) [INFO] [stdout] 206 | | )); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.83s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/gitclass-19f18c7f65fbdc87) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/gitclass-eabd884a360f2925) [INFO] running `Command { std: "docker" "inspect" "f9ce3dfe63c27e560d967ba34c18699040637dea94a3a09ad17a22a8b02a4666", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ce3dfe63c27e560d967ba34c18699040637dea94a3a09ad17a22a8b02a4666", kill_on_drop: false }` [INFO] [stdout] f9ce3dfe63c27e560d967ba34c18699040637dea94a3a09ad17a22a8b02a4666 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2c81a1e769433eabfae4fcb956008f57b906b4506b7b3aa8b59b3dee3a7414c9 [INFO] running `Command { std: "docker" "start" "-a" "2c81a1e769433eabfae4fcb956008f57b906b4506b7b3aa8b59b3dee3a7414c9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:182:13 [INFO] [stderr] | [INFO] [stderr] 182 | Err(e) => panic!("Couldn't open 'master' branch") [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `latest_obj` [INFO] [stderr] --> src/lib.rs:195:9 [INFO] [stderr] | [INFO] [stderr] 195 | let latest_obj = repo.revparse_single("HEAD").ok(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_latest_obj` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:198:13 [INFO] [stderr] | [INFO] [stderr] 198 | Err(e) => panic!("Couldn't find the remote ref") [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | set_current_dir(name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:201:5 [INFO] [stderr] | [INFO] [stderr] 201 | / repo.reset(&remote_obj, [INFO] [stderr] 202 | | git2::ResetType::Hard, [INFO] [stderr] 203 | | Some(git2::build::CheckoutBuilder::new() [INFO] [stderr] 204 | | .force() [INFO] [stderr] 205 | | .remove_untracked(true) [INFO] [stderr] 206 | | )); [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `gitclass` (lib) generated 5 warnings [INFO] [stderr] warning: `gitclass` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] warning: unused variable: `init_m` [INFO] [stderr] --> src/main.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | if let Some(init_m) = matches.subcommand_matches("init") { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `add_m` [INFO] [stderr] --> src/main.rs:19:17 [INFO] [stderr] | [INFO] [stderr] 19 | if let Some(add_m) = matches.subcommand_matches("add") { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_add_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `up_m` [INFO] [stderr] --> src/main.rs:28:17 [INFO] [stderr] | [INFO] [stderr] 28 | if let Some(up_m) = matches.subcommand_matches("update") { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_up_m` [INFO] [stderr] [INFO] [stderr] warning: `gitclass` (bin "gitclass" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gitclass-19f18c7f65fbdc87) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gitclass-eabd884a360f2925) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests gitclass [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2c81a1e769433eabfae4fcb956008f57b906b4506b7b3aa8b59b3dee3a7414c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c81a1e769433eabfae4fcb956008f57b906b4506b7b3aa8b59b3dee3a7414c9", kill_on_drop: false }` [INFO] [stdout] 2c81a1e769433eabfae4fcb956008f57b906b4506b7b3aa8b59b3dee3a7414c9