[INFO] cloning repository https://github.com/iamuditg/RustBasics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamuditg/RustBasics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamuditg%2FRustBasics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamuditg%2FRustBasics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40cb2b565cc9642f4ad757c4bb7b498fb5e020e1 [INFO] testing iamuditg/RustBasics against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamuditg%2FRustBasics" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iamuditg/RustBasics on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamuditg/RustBasics [INFO] finished tweaking git repo https://github.com/iamuditg/RustBasics [INFO] tweaked toml for git repo https://github.com/iamuditg/RustBasics written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/iamuditg/RustBasics 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a9c8613d9ee670d2fc11f2e5cf2d200032e6791d5902ebfe6c2887b9a27a388 [INFO] running `Command { std: "docker" "start" "-a" "2a9c8613d9ee670d2fc11f2e5cf2d200032e6791d5902ebfe6c2887b9a27a388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a9c8613d9ee670d2fc11f2e5cf2d200032e6791d5902ebfe6c2887b9a27a388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9c8613d9ee670d2fc11f2e5cf2d200032e6791d5902ebfe6c2887b9a27a388", kill_on_drop: false }` [INFO] [stdout] 2a9c8613d9ee670d2fc11f2e5cf2d200032e6791d5902ebfe6c2887b9a27a388 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 461b1ddcdd03b298e577b47bfeb07ba35579f6db4949340acb2e590c18189cf4 [INFO] running `Command { std: "docker" "start" "-a" "461b1ddcdd03b298e577b47bfeb07ba35579f6db4949340acb2e590c18189cf4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.114 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling RustBasic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `common_concept` [INFO] [stdout] --> src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::common_concept::{common_concept}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::guess_game::guess_game_init` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::guess_game::guess_game_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/common_concept.rs:140:10 [INFO] [stdout] | [INFO] [stdout] 140 | let (x,y,z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/common_concept.rs:140:14 [INFO] [stdout] | [INFO] [stdout] 140 | let (x,y,z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/ownership.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let word = first_word(&mu_string[0..6]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/ownership.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let word = first_word(&mu_string[..]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut mu_string = String::from("hello world"); [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 variable: `s1` [INFO] [stdout] --> src/ownership.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let s1 = gives_ownership(); // gives ownership moves its return value into s1 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_init` is never used [INFO] [stdout] --> src/guess_game.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn guess_game_init() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `THREE_HOURS_IN_SECONDS` is never used [INFO] [stdout] --> src/common_concept.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `common_concept` is never used [INFO] [stdout] --> src/common_concept.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn common_concept() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `control_flow` is never used [INFO] [stdout] --> src/common_concept.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn control_flow() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `functions` is never used [INFO] [stdout] --> src/common_concept.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn functions() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `return_function` is never used [INFO] [stdout] --> src/common_concept.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn return_function(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parameter_function` is never used [INFO] [stdout] --> src/common_concept.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn parameter_function(p0: i32, p1: char) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_function` is never used [INFO] [stdout] --> src/common_concept.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn another_function() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `data_types` is never used [INFO] [stdout] --> src/common_concept.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn data_types() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `variable` is never used [INFO] [stdout] --> src/common_concept.rs:148:4 [INFO] [stdout] | [INFO] [stdout] 148 | fn variable() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constants` is never used [INFO] [stdout] --> src/common_concept.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn constants() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing` is never used [INFO] [stdout] --> src/common_concept.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_two_ex` is never used [INFO] [stdout] --> src/ownership.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn string_two_ex() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change` is never used [INFO] [stdout] --> src/ownership.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn change(some_string: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/ownership.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn takes_and_gives_back(a_string: &String) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gives_ownership` is never used [INFO] [stdout] --> src/ownership.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn gives_ownership() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_one_ex` is never used [INFO] [stdout] --> src/ownership.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn string_one_ex() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `makes_copy` is never used [INFO] [stdout] --> src/ownership.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn makes_copy(p0: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn takes_ownership(some_string: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "461b1ddcdd03b298e577b47bfeb07ba35579f6db4949340acb2e590c18189cf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "461b1ddcdd03b298e577b47bfeb07ba35579f6db4949340acb2e590c18189cf4", kill_on_drop: false }` [INFO] [stdout] 461b1ddcdd03b298e577b47bfeb07ba35579f6db4949340acb2e590c18189cf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53eea62d11f3e26e01c300df5c1eae24c0015e5d7226b4a6b31b7e2000f8d61e [INFO] running `Command { std: "docker" "start" "-a" "53eea62d11f3e26e01c300df5c1eae24c0015e5d7226b4a6b31b7e2000f8d61e", kill_on_drop: false }` [INFO] [stderr] Compiling RustBasic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `common_concept` [INFO] [stdout] --> src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::common_concept::{common_concept}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::guess_game::guess_game_init` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::guess_game::guess_game_init; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/common_concept.rs:140:10 [INFO] [stdout] | [INFO] [stdout] 140 | let (x,y,z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/common_concept.rs:140:14 [INFO] [stdout] | [INFO] [stdout] 140 | let (x,y,z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/ownership.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let word = first_word(&mu_string[0..6]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/ownership.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let word = first_word(&mu_string[..]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let mut mu_string = String::from("hello world"); [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 variable: `s1` [INFO] [stdout] --> src/ownership.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let s1 = gives_ownership(); // gives ownership moves its return value into s1 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_init` is never used [INFO] [stdout] --> src/guess_game.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn guess_game_init() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `THREE_HOURS_IN_SECONDS` is never used [INFO] [stdout] --> src/common_concept.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `common_concept` is never used [INFO] [stdout] --> src/common_concept.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn common_concept() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `control_flow` is never used [INFO] [stdout] --> src/common_concept.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn control_flow() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `functions` is never used [INFO] [stdout] --> src/common_concept.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn functions() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `return_function` is never used [INFO] [stdout] --> src/common_concept.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn return_function(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parameter_function` is never used [INFO] [stdout] --> src/common_concept.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn parameter_function(p0: i32, p1: char) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_function` is never used [INFO] [stdout] --> src/common_concept.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn another_function() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `data_types` is never used [INFO] [stdout] --> src/common_concept.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn data_types() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `variable` is never used [INFO] [stdout] --> src/common_concept.rs:148:4 [INFO] [stdout] | [INFO] [stdout] 148 | fn variable() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `constants` is never used [INFO] [stdout] --> src/common_concept.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn constants() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing` is never used [INFO] [stdout] --> src/common_concept.rs:163:4 [INFO] [stdout] | [INFO] [stdout] 163 | fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_two_ex` is never used [INFO] [stdout] --> src/ownership.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn string_two_ex() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change` is never used [INFO] [stdout] --> src/ownership.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn change(some_string: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_and_gives_back` is never used [INFO] [stdout] --> src/ownership.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn takes_and_gives_back(a_string: &String) -> &String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gives_ownership` is never used [INFO] [stdout] --> src/ownership.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn gives_ownership() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_one_ex` is never used [INFO] [stdout] --> src/ownership.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn string_one_ex() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `makes_copy` is never used [INFO] [stdout] --> src/ownership.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn makes_copy(p0: i32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn takes_ownership(some_string: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "53eea62d11f3e26e01c300df5c1eae24c0015e5d7226b4a6b31b7e2000f8d61e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53eea62d11f3e26e01c300df5c1eae24c0015e5d7226b4a6b31b7e2000f8d61e", kill_on_drop: false }` [INFO] [stdout] 53eea62d11f3e26e01c300df5c1eae24c0015e5d7226b4a6b31b7e2000f8d61e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f015ac51c980207abb0691c07cad697467251f788be3a0e626f4882c084166b7 [INFO] running `Command { std: "docker" "start" "-a" "f015ac51c980207abb0691c07cad697467251f788be3a0e626f4882c084166b7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `common_concept` [INFO] [stderr] --> src/main.rs:1:29 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::common_concept::{common_concept}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::guess_game::guess_game_init` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::guess_game::guess_game_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/common_concept.rs:140:10 [INFO] [stderr] | [INFO] [stderr] 140 | let (x,y,z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> src/common_concept.rs:140:14 [INFO] [stderr] | [INFO] [stderr] 140 | let (x,y,z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word` [INFO] [stderr] --> src/ownership.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let word = first_word(&mu_string[0..6]); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word` [INFO] [stderr] --> src/ownership.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let word = first_word(&mu_string[..]); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/ownership.rs:10:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 10 | let mut mu_string = String::from("hello world"); [INFO] [stdout] [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: unused variable: `s1` [INFO] [stderr] --> src/ownership.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let s1 = gives_ownership(); // gives ownership moves its return value into s1 [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stderr] [INFO] [stderr] warning: function `guess_game_init` is never used [INFO] [stderr] --> src/guess_game.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn guess_game_init() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant `THREE_HOURS_IN_SECONDS` is never used [INFO] [stderr] --> src/common_concept.rs:3:7 [INFO] [stderr] | [INFO] [stderr] 3 | const THREE_HOURS_IN_SECONDS: u32 = 60 * 60 * 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `common_concept` is never used [INFO] [stderr] --> src/common_concept.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn common_concept() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `control_flow` is never used [INFO] [stderr] --> src/common_concept.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn control_flow() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `functions` is never used [INFO] [stderr] --> src/common_concept.rs:86:4 [INFO] [stderr] | [INFO] [stderr] 86 | fn functions() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `return_function` is never used [INFO] [stderr] --> src/common_concept.rs:94:4 [INFO] [stderr] | [INFO] [stderr] 94 | fn return_function(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `parameter_function` is never used [INFO] [stderr] --> src/common_concept.rs:98:4 [INFO] [stderr] | [INFO] [stderr] 98 | fn parameter_function(p0: i32, p1: char) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `another_function` is never used [INFO] [stderr] --> src/common_concept.rs:102:4 [INFO] [stderr] | [INFO] [stderr] 102 | fn another_function() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `data_types` is never used [INFO] [stderr] --> src/common_concept.rs:106:4 [INFO] [stderr] | [INFO] [stderr] 106 | fn data_types() { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `variable` is never used [INFO] [stderr] --> src/common_concept.rs:148:4 [INFO] [stderr] | [INFO] [stderr] 148 | fn variable() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `constants` is never used [INFO] [stderr] --> src/common_concept.rs:157:4 [INFO] [stderr] | [INFO] [stderr] 157 | fn constants() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `shadowing` is never used [INFO] [stderr] --> src/common_concept.rs:163:4 [INFO] [stderr] | [INFO] [stderr] 163 | fn shadowing() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `string_two_ex` is never used [INFO] [stderr] --> src/ownership.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn string_two_ex() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `change` is never used [INFO] [stderr] --> src/ownership.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn change(some_string: &mut String) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `takes_and_gives_back` is never used [INFO] [stderr] --> src/ownership.rs:54:4 [INFO] [stderr] | [INFO] [stderr] 54 | fn takes_and_gives_back(a_string: &String) -> &String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `gives_ownership` is never used [INFO] [stderr] --> src/ownership.rs:58:4 [INFO] [stderr] | [INFO] [stderr] 58 | fn gives_ownership() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `string_one_ex` is never used [INFO] [stderr] --> src/ownership.rs:63:4 [INFO] [stderr] | [INFO] [stderr] 63 | fn string_one_ex() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `makes_copy` is never used [INFO] [stderr] --> src/ownership.rs:81:4 [INFO] [stderr] | [INFO] [stderr] 81 | fn makes_copy(p0: i32) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `takes_ownership` is never used [INFO] [stderr] --> src/ownership.rs:86:4 [INFO] [stderr] | [INFO] [stderr] 86 | fn takes_ownership(some_string: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `RustBasic` (bin "RustBasic" test) generated 27 warnings (run `cargo fix --bin "RustBasic" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/RustBasic-2377ae1d7bac3dd1) [INFO] running `Command { std: "docker" "inspect" "f015ac51c980207abb0691c07cad697467251f788be3a0e626f4882c084166b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f015ac51c980207abb0691c07cad697467251f788be3a0e626f4882c084166b7", kill_on_drop: false }` [INFO] [stdout] f015ac51c980207abb0691c07cad697467251f788be3a0e626f4882c084166b7