[INFO] cloning repository https://github.com/Xedon/rust_workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xedon/rust_workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5df7f56137bbc5afc828b4378f016ad869cf7760
[INFO] fixing Xedon/rust_workshop against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXedon%2Frust_workshop" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Xedon/rust_workshop
[INFO] finished tweaking git repo https://github.com/Xedon/rust_workshop
[INFO] tweaked toml for git repo https://github.com/Xedon/rust_workshop written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xedon/rust_workshop on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Xedon/rust_workshop 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388
[INFO] running `Command { std: "docker" "start" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking rust-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating examples/2_custom_types.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/6_result.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/5_optional.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/3_flow_control.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/1_primitves.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/4_functions.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr] crater-edition-check: rust-starter v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking rust-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]  --> examples/1_primitves.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let str = "str";
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]  --> examples/1_primitves.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let string = String::from("string");
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> examples/1_primitves.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let x = 1;
[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]   --> examples/1_primitves.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let x = x;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> examples/1_primitves.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut x = "a";
[INFO] [stdout]    |                 ^^^ this value is reassigned later and never used
[INFO] [stdout] 43 |
[INFO] [stdout] 44 |     x = "b";
[INFO] [stdout]    |     ------- `x` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> examples/2_custom_types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 7 |     x: i64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 8 |     y: u64,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/2_custom_types.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Rectangle(Point, Point);
[INFO] [stdout]    |        --------- ^^^^^  ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/2_custom_types.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct EquilateralTriangle(Point, Point);
[INFO] [stdout]    |        ------------------- ^^^^^  ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `EquilateralTriangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/2_custom_types.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Rectangle(Rectangle),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Rectangle(Rectangle),
[INFO] [stdout] 19 +     Rectangle(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/2_custom_types.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     EquilateralTriangle(EquilateralTriangle),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     EquilateralTriangle(EquilateralTriangle),
[INFO] [stdout] 20 +     EquilateralTriangle(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/3_flow_control.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Loaded(String),
[INFO] [stdout]    |         ------ ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -         Loaded(String),
[INFO] [stdout] 40 +         Loaded(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> examples/3_flow_control.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     enum RemoteValue {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 41 |         Error(String),
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking rust-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating examples/4_functions.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/5_optional.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/1_primitves.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/3_flow_control.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/6_result.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/2_custom_types.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: rust-starter v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking rust-starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> examples/2_custom_types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 7 |     x: i64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 8 |     y: u64,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/2_custom_types.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Rectangle(Point, Point);
[INFO] [stdout]    |        --------- ^^^^^  ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/2_custom_types.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct EquilateralTriangle(Point, Point);
[INFO] [stdout]    |        ------------------- ^^^^^  ^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `EquilateralTriangle` 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 variable: `str`
[INFO] [stdout]  --> examples/1_primitves.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let str = "str";
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]  --> examples/1_primitves.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let string = String::from("string");
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/2_custom_types.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Rectangle(Rectangle),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Rectangle(Rectangle),
[INFO] [stdout] 19 +     Rectangle(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> examples/1_primitves.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let x = 1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/2_custom_types.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     EquilateralTriangle(EquilateralTriangle),
[INFO] [stdout]    |     ------------------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shape` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     EquilateralTriangle(EquilateralTriangle),
[INFO] [stdout] 20 +     EquilateralTriangle(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> examples/1_primitves.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let x = x;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> examples/2_custom_types.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |         println!("{:#?}", LANGUAGE);
[INFO] [stdout]    |                           ^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> examples/1_primitves.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut x = "a";
[INFO] [stdout]    |                 ^^^ this value is reassigned later and never used
[INFO] [stdout] 43 |
[INFO] [stdout] 44 |     x = "b";
[INFO] [stdout]    |     ------- `x` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-starter` (example "2_custom_types") due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/3_flow_control.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Loaded(String),
[INFO] [stdout]    |         ------ ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -         Loaded(String),
[INFO] [stdout] 40 +         Loaded(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> examples/3_flow_control.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     enum RemoteValue {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 41 |         Error(String),
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RemoteValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388", kill_on_drop: false }`
[INFO] [stdout] 6e6b170bd3d1e9cca114964ebe12fe8fc6125541c62f28fba05cc9684ac92388
