[INFO] cloning repository https://github.com/S3cBar0n/Rust_Test_File
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S3cBar0n/Rust_Test_File" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS3cBar0n%2FRust_Test_File", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS3cBar0n%2FRust_Test_File'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 306ea78bee3ec4e8c94a532ff9781e3de471df1b
[INFO] testing S3cBar0n/Rust_Test_File 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%2FS3cBar0n%2FRust_Test_File" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S3cBar0n/Rust_Test_File 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/S3cBar0n/Rust_Test_File
[INFO] finished tweaking git repo https://github.com/S3cBar0n/Rust_Test_File
[INFO] tweaked toml for git repo https://github.com/S3cBar0n/Rust_Test_File written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/S3cBar0n/Rust_Test_File 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3a2ba0d05c95962ea4fbd91de86b2e0a8e4b9aeab4d6553ec8ed82b1c6b3861b
[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" "3a2ba0d05c95962ea4fbd91de86b2e0a8e4b9aeab4d6553ec8ed82b1c6b3861b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a2ba0d05c95962ea4fbd91de86b2e0a8e4b9aeab4d6553ec8ed82b1c6b3861b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2ba0d05c95962ea4fbd91de86b2e0a8e4b9aeab4d6553ec8ed82b1c6b3861b", kill_on_drop: false }`
[INFO] [stdout] 3a2ba0d05c95962ea4fbd91de86b2e0a8e4b9aeab4d6553ec8ed82b1c6b3861b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fbb3f57e8ba743b209eb5fbd76a9d6660298183fe2f7c082f4772ecc38f7e9a3
[INFO] running `Command { std: "docker" "start" "-a" "fbb3f57e8ba743b209eb5fbd76a9d6660298183fe2f7c082f4772ecc38f7e9a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rust_operators::operators`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_operators::operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/control_flow.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 |         1...249 => "Unknown",  // 1..99 = 1 - 98, 1...99 = 1 - 99
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONSTANT_VALUE`
[INFO] [stdout]   --> src/rust_data_types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const CONSTANT_VALUE:u8 = 42;  // This has no fixed address, memory safety is not compromised.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `Z`
[INFO] [stdout]   --> src/rust_data_types.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | static Z:i32 = 123;  // This does have a fixed address
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `Z_MUTABLE`
[INFO] [stdout]   --> src/rust_data_types.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static mut Z_MUTABLE:i32 = 999;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_types`
[INFO] [stdout]   --> src/rust_data_types.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn data_types() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_and_shadowing`
[INFO] [stdout]   --> src/rust_data_types.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn scope_and_shadowing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_of_variables`
[INFO] [stdout]    --> src/rust_data_types.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn scope_of_variables() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `constants`
[INFO] [stdout]    --> src/rust_data_types.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn constants() {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `operators`
[INFO] [stdout]  --> src/rust_operators.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn operators() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/memory_management.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `memory_management`
[INFO] [stdout]   --> src/memory_management.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn memory_management() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `origin`
[INFO] [stdout]   --> src/memory_management.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn origin() -> Point {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stack_and_heap`
[INFO] [stdout]   --> src/memory_management.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn stack_and_heap() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_statement`
[INFO] [stdout]  --> src/control_flow.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn if_statement() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `while_and_loop`
[INFO] [stdout]   --> src/control_flow.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn while_and_loop() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for_loop`
[INFO] [stdout]   --> src/control_flow.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn for_loop() {
[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 0.65s
[INFO] running `Command { std: "docker" "inspect" "fbb3f57e8ba743b209eb5fbd76a9d6660298183fe2f7c082f4772ecc38f7e9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb3f57e8ba743b209eb5fbd76a9d6660298183fe2f7c082f4772ecc38f7e9a3", kill_on_drop: false }`
[INFO] [stdout] fbb3f57e8ba743b209eb5fbd76a9d6660298183fe2f7c082f4772ecc38f7e9a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] b9b5c0991e3202211ea51b302f906059bd2e11c41fda393a26272768b82fe3d8
[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" "b9b5c0991e3202211ea51b302f906059bd2e11c41fda393a26272768b82fe3d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rust_operators::operators`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_operators::operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/control_flow.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 |         1...249 => "Unknown",  // 1..99 = 1 - 98, 1...99 = 1 - 99
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CONSTANT_VALUE`
[INFO] [stdout]   --> src/rust_data_types.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const CONSTANT_VALUE:u8 = 42;  // This has no fixed address, memory safety is not compromised.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `Z`
[INFO] [stdout]   --> src/rust_data_types.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | static Z:i32 = 123;  // This does have a fixed address
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `Z_MUTABLE`
[INFO] [stdout]   --> src/rust_data_types.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static mut Z_MUTABLE:i32 = 999;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_types`
[INFO] [stdout]   --> src/rust_data_types.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn data_types() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_and_shadowing`
[INFO] [stdout]   --> src/rust_data_types.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub fn scope_and_shadowing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scope_of_variables`
[INFO] [stdout]    --> src/rust_data_types.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn scope_of_variables() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `constants`
[INFO] [stdout]    --> src/rust_data_types.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn constants() {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `operators`
[INFO] [stdout]  --> src/rust_operators.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn operators() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/memory_management.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `memory_management`
[INFO] [stdout]   --> src/memory_management.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn memory_management() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `origin`
[INFO] [stdout]   --> src/memory_management.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn origin() -> Point {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stack_and_heap`
[INFO] [stdout]   --> src/memory_management.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn stack_and_heap() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_statement`
[INFO] [stdout]  --> src/control_flow.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn if_statement() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `while_and_loop`
[INFO] [stdout]   --> src/control_flow.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn while_and_loop() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for_loop`
[INFO] [stdout]   --> src/control_flow.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn for_loop() {
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "b9b5c0991e3202211ea51b302f906059bd2e11c41fda393a26272768b82fe3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b5c0991e3202211ea51b302f906059bd2e11c41fda393a26272768b82fe3d8", kill_on_drop: false }`
[INFO] [stdout] b9b5c0991e3202211ea51b302f906059bd2e11c41fda393a26272768b82fe3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0ade8b4a2be0e5905ff66605761b2e814110cf7c03aa02c7715a8ce0067f7fce
[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" "0ade8b4a2be0e5905ff66605761b2e814110cf7c03aa02c7715a8ce0067f7fce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `rust_operators::operators`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rust_operators::operators;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/control_flow.rs:97:10
[INFO] [stderr]    |
[INFO] [stderr] 97 |         1...249 => "Unknown",  // 1..99 = 1 - 98, 1...99 = 1 - 99
[INFO] [stderr]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CONSTANT_VALUE`
[INFO] [stderr]   --> src/rust_data_types.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const CONSTANT_VALUE:u8 = 42;  // This has no fixed address, memory safety is not compromised.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `Z`
[INFO] [stderr]   --> src/rust_data_types.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | static Z:i32 = 123;  // This does have a fixed address
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `Z_MUTABLE`
[INFO] [stderr]   --> src/rust_data_types.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | static mut Z_MUTABLE:i32 = 999;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `data_types`
[INFO] [stderr]   --> src/rust_data_types.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn data_types() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_and_shadowing`
[INFO] [stderr]   --> src/rust_data_types.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn scope_and_shadowing() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scope_of_variables`
[INFO] [stderr]    --> src/rust_data_types.rs:111:8
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub fn scope_of_variables() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `constants`
[INFO] [stderr]    --> src/rust_data_types.rs:119:8
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub fn constants() {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `operators`
[INFO] [stderr]  --> src/rust_operators.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn operators() {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]  --> src/memory_management.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Point {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `memory_management`
[INFO] [stderr]   --> src/memory_management.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn memory_management() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `origin`
[INFO] [stderr]   --> src/memory_management.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn origin() -> Point {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stack_and_heap`
[INFO] [stderr]   --> src/memory_management.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn stack_and_heap() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_statement`
[INFO] [stderr]  --> src/control_flow.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn if_statement() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `while_and_loop`
[INFO] [stderr]   --> src/control_flow.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn while_and_loop() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `for_loop`
[INFO] [stderr]   --> src/control_flow.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn for_loop() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `untitled` (bin "untitled" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/untitled-62fe70dd503be30e)
[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" "0ade8b4a2be0e5905ff66605761b2e814110cf7c03aa02c7715a8ce0067f7fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ade8b4a2be0e5905ff66605761b2e814110cf7c03aa02c7715a8ce0067f7fce", kill_on_drop: false }`
[INFO] [stdout] 0ade8b4a2be0e5905ff66605761b2e814110cf7c03aa02c7715a8ce0067f7fce