[INFO] cloning repository https://github.com/themangomago/rust-crash-course [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/themangomago/rust-crash-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemangomago%2Frust-crash-course", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemangomago%2Frust-crash-course'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76bcde1744506e0b5da1c468c2cc5aea7c7c7878 [INFO] testing themangomago/rust-crash-course against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthemangomago%2Frust-crash-course" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/themangomago/rust-crash-course on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/themangomago/rust-crash-course [INFO] finished tweaking git repo https://github.com/themangomago/rust-crash-course [INFO] tweaked toml for git repo https://github.com/themangomago/rust-crash-course written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/themangomago/rust-crash-course already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb510e773590b70f93ca88f5cc3ce72c7c69dc4b045c0eb0ba8f1667acd9714f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fb510e773590b70f93ca88f5cc3ce72c7c69dc4b045c0eb0ba8f1667acd9714f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb510e773590b70f93ca88f5cc3ce72c7c69dc4b045c0eb0ba8f1667acd9714f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb510e773590b70f93ca88f5cc3ce72c7c69dc4b045c0eb0ba8f1667acd9714f", kill_on_drop: false }` [INFO] [stdout] fb510e773590b70f93ca88f5cc3ce72c7c69dc4b045c0eb0ba8f1667acd9714f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 29718c0da9e3e153e2a6843faf494dfb2afa2ad31fb72564a6f25f7777b39a6e [INFO] running `Command { std: "docker" "start" "-a" "29718c0da9e3e153e2a6843faf494dfb2afa2ad31fb72564a6f25f7777b39a6e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ys` [INFO] [stdout] --> src/arrays.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let ys: [i32; 500] = [0; 500]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ys` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/functions.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let sum = add(5, 5); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/generics.rs:5:42 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/generics.rs:8:33 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point_a` [INFO] [stdout] --> src/generics.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let point_a = Point { x: 0, y: 0 }; // T is a int type [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point_b` [INFO] [stdout] --> src/generics.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let point_b = Point { x: 0.0, y: 0.0 }; // T is a float type [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut c2 = TColor(255, 0, 0); [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: variant is never constructed: `Down` [INFO] [stdout] --> src/enums.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Right` [INFO] [stdout] --> src/enums.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_anything` [INFO] [stdout] --> src/generics.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_two_of_the_same_things` [INFO] [stdout] --> src/generics.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_two_things` [INFO] [stdout] --> src/generics.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/generics.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/generics.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `NanoSeconds` [INFO] [stdout] --> src/types.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | type NanoSeconds = u64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `checkId` should have a snake case name [INFO] [stdout] --> src/conditionals.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let checkId = false; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `check_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `Command { std: "docker" "inspect" "29718c0da9e3e153e2a6843faf494dfb2afa2ad31fb72564a6f25f7777b39a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29718c0da9e3e153e2a6843faf494dfb2afa2ad31fb72564a6f25f7777b39a6e", kill_on_drop: false }` [INFO] [stdout] 29718c0da9e3e153e2a6843faf494dfb2afa2ad31fb72564a6f25f7777b39a6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0be86f221e2ca7ed8f1fd469d7af8fdbbf6c86aea62c76e2a077708ed403963a [INFO] running `Command { std: "docker" "start" "-a" "0be86f221e2ca7ed8f1fd469d7af8fdbbf6c86aea62c76e2a077708ed403963a", kill_on_drop: false }` [INFO] [stderr] Compiling rust-crash-course v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ys` [INFO] [stdout] --> src/arrays.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let ys: [i32; 500] = [0; 500]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ys` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> src/functions.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let sum = add(5, 5); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/generics.rs:5:42 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/generics.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/generics.rs:8:33 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point_a` [INFO] [stdout] --> src/generics.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let point_a = Point { x: 0, y: 0 }; // T is a int type [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `point_b` [INFO] [stdout] --> src/generics.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let point_b = Point { x: 0.0, y: 0.0 }; // T is a float type [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut c2 = TColor(255, 0, 0); [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: variant is never constructed: `Down` [INFO] [stdout] --> src/enums.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Down, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Right` [INFO] [stdout] --> src/enums.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_anything` [INFO] [stdout] --> src/generics.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_two_of_the_same_things` [INFO] [stdout] --> src/generics.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_two_things` [INFO] [stdout] --> src/generics.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/generics.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/generics.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `NanoSeconds` [INFO] [stdout] --> src/types.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | type NanoSeconds = u64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `checkId` should have a snake case name [INFO] [stdout] --> src/conditionals.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let checkId = false; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `check_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "0be86f221e2ca7ed8f1fd469d7af8fdbbf6c86aea62c76e2a077708ed403963a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0be86f221e2ca7ed8f1fd469d7af8fdbbf6c86aea62c76e2a077708ed403963a", kill_on_drop: false }` [INFO] [stdout] 0be86f221e2ca7ed8f1fd469d7af8fdbbf6c86aea62c76e2a077708ed403963a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6698ae9cd545f1db1d6fd139583b5d83bee6ecaaee61b7aa5ef28f198a82e99c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6698ae9cd545f1db1d6fd139583b5d83bee6ecaaee61b7aa5ef28f198a82e99c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `ys` [INFO] [stderr] --> src/arrays.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let ys: [i32; 500] = [0; 500]; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ys` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sum` [INFO] [stderr] --> src/functions.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let sum = add(5, 5); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/generics.rs:2:22 [INFO] [stderr] | [INFO] [stderr] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/generics.rs:5:36 [INFO] [stderr] | [INFO] [stderr] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/generics.rs:5:42 [INFO] [stderr] | [INFO] [stderr] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/generics.rs:8:27 [INFO] [stderr] | [INFO] [stderr] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/generics.rs:8:33 [INFO] [stderr] | [INFO] [stderr] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `point_a` [INFO] [stderr] --> src/generics.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let point_a = Point { x: 0, y: 0 }; // T is a int type [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `point_b` [INFO] [stderr] --> src/generics.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let point_b = Point { x: 0.0, y: 0.0 }; // T is a float type [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_b` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut c2 = TColor(255, 0, 0); [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: variant is never constructed: `Down` [INFO] [stderr] --> src/enums.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | Down, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Right` [INFO] [stderr] --> src/enums.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `takes_anything` [INFO] [stderr] --> src/generics.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn takes_anything(x: T) { // x has type T, T is a generic type [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `takes_two_of_the_same_things` [INFO] [stderr] --> src/generics.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn takes_two_of_the_same_things(x: T, y: T) { // Both x and y has the same type [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `takes_two_things` [INFO] [stderr] --> src/generics.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn takes_two_things(x: T, y: U) { // Multiple types [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/generics.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/generics.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `NanoSeconds` [INFO] [stderr] --> src/types.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | type NanoSeconds = u64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `checkId` should have a snake case name [INFO] [stderr] --> src/conditionals.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let checkId = false; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `check_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-crash-course` (bin "rust-crash-course" test) generated 19 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_crash_course-fe1a79b74dc122fb) [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" "6698ae9cd545f1db1d6fd139583b5d83bee6ecaaee61b7aa5ef28f198a82e99c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6698ae9cd545f1db1d6fd139583b5d83bee6ecaaee61b7aa5ef28f198a82e99c", kill_on_drop: false }` [INFO] [stdout] 6698ae9cd545f1db1d6fd139583b5d83bee6ecaaee61b7aa5ef28f198a82e99c