[INFO] cloning repository https://github.com/shrawank039/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrawank039/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrawank039%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrawank039%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83fb802100303fe55b38a398adbc02102c77d5f0 [INFO] checking shrawank039/rust-playground against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrawank039%2Frust-playground" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shrawank039/rust-playground on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shrawank039/rust-playground [INFO] finished tweaking git repo https://github.com/shrawank039/rust-playground [INFO] tweaked toml for git repo https://github.com/shrawank039/rust-playground written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shrawank039/rust-playground 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e418e1db34f90a66af18c22e6888d6a1ba2908fe2143707bd2680c8b7ca85fc [INFO] running `Command { std: "docker" "start" "-a" "3e418e1db34f90a66af18c22e6888d6a1ba2908fe2143707bd2680c8b7ca85fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e418e1db34f90a66af18c22e6888d6a1ba2908fe2143707bd2680c8b7ca85fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e418e1db34f90a66af18c22e6888d6a1ba2908fe2143707bd2680c8b7ca85fc", kill_on_drop: false }` [INFO] [stdout] 3e418e1db34f90a66af18c22e6888d6a1ba2908fe2143707bd2680c8b7ca85fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5478ab1ea36a9bd8606d9f07cb4c74328e98c4db2b27a5ea80a56ac19bb7f068 [INFO] running `Command { std: "docker" "start" "-a" "5478ab1ea36a9bd8606d9f07cb4c74328e98c4db2b27a5ea80a56ac19bb7f068", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `make_string_not_dangle` is never used [INFO] [stdout] --> src/functions.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn make_string_not_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_five` is never used [INFO] [stdout] --> src/functions.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn add_five(num: u32) -> u32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sub_five` is never used [INFO] [stdout] --> src/other/minus_function.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn sub_five(num: u32) -> u32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CarColor` is never used [INFO] [stdout] --> src/m1_enums.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum CarColor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenResult` is never used [INFO] [stdout] --> src/m1_enums.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum GivenResult{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenOption` is never used [INFO] [stdout] --> src/m1_enums.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum GivenOption{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_car_color_white` is never used [INFO] [stdout] --> src/m1_enums.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn create_car_color_white() -> CarColor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five` is never used [INFO] [stdout] --> src/m1_enums.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn check_num_below_five(num: u8) -> GivenResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn check_num_below_five_built_in(num: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero` is never used [INFO] [stdout] --> src/m1_enums.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn remainder_zero(num_check: f32) -> GivenOption { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn remainder_zero_built_in(num_check: f32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/m2_structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `increment_sign_in_count` and `change_username` are never used [INFO] [stdout] --> src/m2_structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 10 | fn increment_sign_in_count(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn change_username(&mut self, new_username: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change_username` is never used [INFO] [stdout] --> src/m2_structs.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn change_username(user: &mut User, new_username: &str){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_string_not_dangle` is never used [INFO] [stdout] --> src/functions.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn make_string_not_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red`, `Blue`, `Green`, and `Black` are never constructed [INFO] [stdout] --> src/m1_enums.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum CarColor { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 4 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | Black, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CarColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenResult` is never used [INFO] [stdout] --> src/m1_enums.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum GivenResult{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenOption` is never used [INFO] [stdout] --> src/m1_enums.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum GivenOption{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five` is never used [INFO] [stdout] --> src/m1_enums.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn check_num_below_five(num: u8) -> GivenResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero` is never used [INFO] [stdout] --> src/m1_enums.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn remainder_zero(num_check: f32) -> GivenOption { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `email` and `active` are never read [INFO] [stdout] --> src/m2_structs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | username: String, [INFO] [stdout] 4 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | sign_in_count: u64, [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/m1_enums.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | dbg!(check_below_five); [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] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s [INFO] running `Command { std: "docker" "inspect" "5478ab1ea36a9bd8606d9f07cb4c74328e98c4db2b27a5ea80a56ac19bb7f068", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5478ab1ea36a9bd8606d9f07cb4c74328e98c4db2b27a5ea80a56ac19bb7f068", kill_on_drop: false }` [INFO] [stdout] 5478ab1ea36a9bd8606d9f07cb4c74328e98c4db2b27a5ea80a56ac19bb7f068 [INFO] checking shrawank039/rust-playground against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrawank039%2Frust-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shrawank039/rust-playground on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shrawank039/rust-playground [INFO] finished tweaking git repo https://github.com/shrawank039/rust-playground [INFO] tweaked toml for git repo https://github.com/shrawank039/rust-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shrawank039/rust-playground 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0ea12a5222d20b0f2dc2a3584377975289da52d894cf1e106ec6aa3445ed09dd [INFO] running `Command { std: "docker" "start" "-a" "0ea12a5222d20b0f2dc2a3584377975289da52d894cf1e106ec6aa3445ed09dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ea12a5222d20b0f2dc2a3584377975289da52d894cf1e106ec6aa3445ed09dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ea12a5222d20b0f2dc2a3584377975289da52d894cf1e106ec6aa3445ed09dd", kill_on_drop: false }` [INFO] [stdout] 0ea12a5222d20b0f2dc2a3584377975289da52d894cf1e106ec6aa3445ed09dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 946fc4e33ffb0cba4f9159c0c2d43795c58408678b13cd7d1b6e9e21508a72d2 [INFO] running `Command { std: "docker" "start" "-a" "946fc4e33ffb0cba4f9159c0c2d43795c58408678b13cd7d1b6e9e21508a72d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `make_string_not_dangle` is never used [INFO] [stdout] --> src/functions.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn make_string_not_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_five` is never used [INFO] [stdout] --> src/functions.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn add_five(num: u32) -> u32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sub_five` is never used [INFO] [stdout] --> src/other/minus_function.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn sub_five(num: u32) -> u32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `CarColor` is never used [INFO] [stdout] --> src/m1_enums.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum CarColor { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenResult` is never used [INFO] [stdout] --> src/m1_enums.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum GivenResult{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenOption` is never used [INFO] [stdout] --> src/m1_enums.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum GivenOption{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_car_color_white` is never used [INFO] [stdout] --> src/m1_enums.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn create_car_color_white() -> CarColor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five` is never used [INFO] [stdout] --> src/m1_enums.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn check_num_below_five(num: u8) -> GivenResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn check_num_below_five_built_in(num: u8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero` is never used [INFO] [stdout] --> src/m1_enums.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn remainder_zero(num_check: f32) -> GivenOption { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero_built_in` is never used [INFO] [stdout] --> src/m1_enums.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn remainder_zero_built_in(num_check: f32) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/m2_structs.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `increment_sign_in_count` and `change_username` are never used [INFO] [stdout] --> src/m2_structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 10 | fn increment_sign_in_count(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | fn change_username(&mut self, new_username: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change_username` is never used [INFO] [stdout] --> src/m2_structs.rs:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | fn change_username(user: &mut User, new_username: &str){ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_string_not_dangle` is never used [INFO] [stdout] --> src/functions.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn make_string_not_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red`, `Blue`, `Green`, and `Black` are never constructed [INFO] [stdout] --> src/m1_enums.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | enum CarColor { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 4 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 7 | Black, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CarColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenResult` is never used [INFO] [stdout] --> src/m1_enums.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum GivenResult{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GivenOption` is never used [INFO] [stdout] --> src/m1_enums.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | enum GivenOption{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_num_below_five` is never used [INFO] [stdout] --> src/m1_enums.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn check_num_below_five(num: u8) -> GivenResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remainder_zero` is never used [INFO] [stdout] --> src/m1_enums.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn remainder_zero(num_check: f32) -> GivenOption { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `email` and `active` are never read [INFO] [stdout] --> src/m2_structs.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | username: String, [INFO] [stdout] 4 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | sign_in_count: u64, [INFO] [stdout] 6 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/m1_enums.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | dbg!(check_below_five); [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] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.85s [INFO] running `Command { std: "docker" "inspect" "946fc4e33ffb0cba4f9159c0c2d43795c58408678b13cd7d1b6e9e21508a72d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "946fc4e33ffb0cba4f9159c0c2d43795c58408678b13cd7d1b6e9e21508a72d2", kill_on_drop: false }` [INFO] [stdout] 946fc4e33ffb0cba4f9159c0c2d43795c58408678b13cd7d1b6e9e21508a72d2