[INFO] cloning repository https://github.com/sumrid/first-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sumrid/first-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumrid%2Ffirst-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumrid%2Ffirst-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2c33ab835e0b161b4f276f2b87698ee57c9b2c9 [INFO] testing sumrid/first-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsumrid%2Ffirst-rust" "/workspace/builds/worker-88/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sumrid/first-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sumrid/first-rust [INFO] finished tweaking git repo https://github.com/sumrid/first-rust [INFO] tweaked toml for git repo https://github.com/sumrid/first-rust written to /workspace/builds/worker-88/source/Cargo.toml [INFO] crate git repo https://github.com/sumrid/first-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ferris-says v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fb07de00631f0e365a39c729f5fc4689e2cd1ad4db44aa1777e8dd71260d861 [INFO] running `Command { std: "docker" "start" "-a" "7fb07de00631f0e365a39c729f5fc4689e2cd1ad4db44aa1777e8dd71260d861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fb07de00631f0e365a39c729f5fc4689e2cd1ad4db44aa1777e8dd71260d861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fb07de00631f0e365a39c729f5fc4689e2cd1ad4db44aa1777e8dd71260d861", kill_on_drop: false }` [INFO] [stdout] 7fb07de00631f0e365a39c729f5fc4689e2cd1ad4db44aa1777e8dd71260d861 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dd52f5940acaace4e6e8bbd6ac4608d007bad26902f58e363b7009ccdaf2451 [INFO] running `Command { std: "docker" "start" "-a" "0dd52f5940acaace4e6e8bbd6ac4608d007bad26902f58e363b7009ccdaf2451", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling smallvec v0.4.5 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling ferris-says v0.1.2 [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x_str` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let x_str = "Hello world"; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_float` [INFO] [stdout] --> src/main.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let x_float = 10.10; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_num` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let x_num = 100_000; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_bool` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let x_bool = true; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_icon` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let x_icon = "👌"; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_icon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_char` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let x_char = 'A'; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x_mut_var` is assigned to, but never used [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut x_mut_var = 10; // mutable variable [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x_mut_var` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x_mut_var` is never read [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | x_mut_var = 12; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_literal` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let str_literal = "This is string literal"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_literal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> src/main.rs:208:13 [INFO] [stdout] | [INFO] [stdout] 208 | let mut user2 = User::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | let x = Country::Thailand; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/main.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | let p1 = Person { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | let mut user2 = User::new(); [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: constant is never used: `XX` [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | const XX: f64 = 155.51; // constant [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test2` [INFO] [stdout] --> src/main.rs:139:8 [INFO] [stdout] | [INFO] [stdout] 139 | fn test2(text: String) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `last_name` [INFO] [stdout] --> src/main.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | last_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enumeration` [INFO] [stdout] --> src/main.rs:216:4 [INFO] [stdout] | [INFO] [stdout] 216 | fn enumeration() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.49s [INFO] running `Command { std: "docker" "inspect" "0dd52f5940acaace4e6e8bbd6ac4608d007bad26902f58e363b7009ccdaf2451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dd52f5940acaace4e6e8bbd6ac4608d007bad26902f58e363b7009ccdaf2451", kill_on_drop: false }` [INFO] [stdout] 0dd52f5940acaace4e6e8bbd6ac4608d007bad26902f58e363b7009ccdaf2451 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92732a7e233dc20a384b2c7a1f9be2009a3f8c63f8e549b74338ee4a6232aebe [INFO] running `Command { std: "docker" "start" "-a" "92732a7e233dc20a384b2c7a1f9be2009a3f8c63f8e549b74338ee4a6232aebe", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x_str` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let x_str = "Hello world"; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_str` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_float` [INFO] [stdout] --> src/main.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let x_float = 10.10; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_num` [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let x_num = 100_000; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_bool` [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let x_bool = true; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_icon` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let x_icon = "👌"; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_icon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x_char` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let x_char = 'A'; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x_mut_var` is assigned to, but never used [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut x_mut_var = 10; // mutable variable [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x_mut_var` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x_mut_var` is never read [INFO] [stdout] --> src/main.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | x_mut_var = 12; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str_literal` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let str_literal = "This is string literal"; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_literal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> src/main.rs:208:13 [INFO] [stdout] | [INFO] [stdout] 208 | let mut user2 = User::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:229:9 [INFO] [stdout] | [INFO] [stdout] 229 | let x = Country::Thailand; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p1` [INFO] [stdout] --> src/main.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | let p1 = Person { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | let mut user2 = User::new(); [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: constant is never used: `XX` [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | const XX: f64 = 155.51; // constant [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test2` [INFO] [stdout] --> src/main.rs:139:8 [INFO] [stdout] | [INFO] [stdout] 139 | fn test2(text: String) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `last_name` [INFO] [stdout] --> src/main.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | last_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enumeration` [INFO] [stdout] --> src/main.rs:216:4 [INFO] [stdout] | [INFO] [stdout] 216 | fn enumeration() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "92732a7e233dc20a384b2c7a1f9be2009a3f8c63f8e549b74338ee4a6232aebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92732a7e233dc20a384b2c7a1f9be2009a3f8c63f8e549b74338ee4a6232aebe", kill_on_drop: false }` [INFO] [stdout] 92732a7e233dc20a384b2c7a1f9be2009a3f8c63f8e549b74338ee4a6232aebe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d6e4aebbb8ece19e03851e8a9285ff53d43e3a898547292dd35ecd4ddc9d8e31 [INFO] running `Command { std: "docker" "start" "-a" "d6e4aebbb8ece19e03851e8a9285ff53d43e3a898547292dd35ecd4ddc9d8e31", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `x_str` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let x_str = "Hello world"; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_str` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_float` [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let x_float = 10.10; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_float` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_num` [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let x_num = 100_000; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_x_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_bool` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | let x_bool = true; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_bool` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_icon` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let x_icon = "👌"; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_icon` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x_char` [INFO] [stderr] --> src/main.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let x_char = 'A'; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_char` [INFO] [stderr] [INFO] [stderr] warning: variable `x_mut_var` is assigned to, but never used [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut x_mut_var = 10; // mutable variable [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_x_mut_var` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x_mut_var` is never read [INFO] [stderr] --> src/main.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | x_mut_var = 12; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `str_literal` [INFO] [stderr] --> src/main.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let str_literal = "This is string literal"; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_str_literal` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user2` [INFO] [stderr] --> src/main.rs:208:13 [INFO] [stderr] | [INFO] [stderr] 208 | let mut user2 = User::new(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:229:9 [INFO] [stderr] | [INFO] [stderr] 229 | let x = Country::Thailand; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p1` [INFO] [stderr] --> src/main.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | let p1 = Person { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_p1` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:208:9 [INFO] [stderr] | [INFO] [stderr] 208 | let mut user2 = User::new(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `XX` [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | const XX: f64 = 155.51; // constant [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test2` [INFO] [stderr] --> src/main.rs:139:8 [INFO] [stderr] | [INFO] [stderr] 139 | fn test2(text: String) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `last_name` [INFO] [stderr] --> src/main.rs:183:9 [INFO] [stderr] | [INFO] [stderr] 183 | last_name: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `enumeration` [INFO] [stderr] --> src/main.rs:216:4 [INFO] [stderr] | [INFO] [stderr] 216 | fn enumeration() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 17 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 24.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-54914bb78347bb16) [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" "d6e4aebbb8ece19e03851e8a9285ff53d43e3a898547292dd35ecd4ddc9d8e31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6e4aebbb8ece19e03851e8a9285ff53d43e3a898547292dd35ecd4ddc9d8e31", kill_on_drop: false }` [INFO] [stdout] d6e4aebbb8ece19e03851e8a9285ff53d43e3a898547292dd35ecd4ddc9d8e31