[INFO] cloning repository https://github.com/caporta/rust_fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caporta/rust_fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaporta%2Frust_fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaporta%2Frust_fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78a5378e3b3c9e32237f5f6bcc8083bd250e7b8d
[INFO] checking caporta/rust_fundamentals/78a5378e3b3c9e32237f5f6bcc8083bd250e7b8d against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaporta%2Frust_fundamentals" "/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/caporta/rust_fundamentals on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caporta/rust_fundamentals
[INFO] finished tweaking git repo https://github.com/caporta/rust_fundamentals
[INFO] tweaked toml for git repo https://github.com/caporta/rust_fundamentals written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/caporta/rust_fundamentals 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d383db90cab73020e8a5baad32be2c7325e637afe03a112993f180b09256c09
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[INFO] running `Command { std: "docker" "inspect" "3d383db90cab73020e8a5baad32be2c7325e637afe03a112993f180b09256c09", kill_on_drop: false }`
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[INFO] [stdout] 3d383db90cab73020e8a5baad32be2c7325e637afe03a112993f180b09256c09
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfc79994a0a733a47ae3784aea30012c638dcaf5181bff0ae269ee22e9117a9
[INFO] running `Command { std: "docker" "start" "-a" "0bfc79994a0a733a47ae3784aea30012c638dcaf5181bff0ae269ee22e9117a9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unused_variable`
[INFO] [stdout]  --> src/stack_and_heap.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[allow(unused_variable)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/control_flow.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |         1...999 => "unknown", // inclusive range notation (opposite in most langs)
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/pattern_matching.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         z @ 9...11 => "lots of", //assign range to variable
[INFO] [stdout]   |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) 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: unknown lint: `unused_variable`
[INFO] [stdout]  --> src/stack_and_heap.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[allow(unused_variable)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^ help: did you mean: `unused_variables`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/control_flow.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |         1...999 => "unknown", // inclusive range notation (opposite in most langs)
[INFO] [stdout]    |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) 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]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]  --> src/pattern_matching.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         z @ 9...11 => "lots of", //assign range to variable
[INFO] [stdout]   |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) 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: unused variable: `x`
[INFO] [stdout]   --> src/stack_and_heap.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let x = 5; // i32 stored on the stack
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/data_structures_2.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let u:&str = &letters; // d-ref conversions
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/pattern_matching.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         z @ 9...11 => "lots of", //assign range to variable
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `myLine`
[INFO] [stdout]   --> src/generics.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let myLine = Line { start: a, end: b };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_myLine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]  --> src/stack_and_heap.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     x: f64,
[INFO] [stdout] 7 |     y: f64
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cyan`, `magenta`, and `yellow` are never read
[INFO] [stdout]   --> src/data_structures_1.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
[INFO] [stdout]    |     --------- ^^^^     ^^^^^^^     ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red`, `Green`, `Blue`, and `RGBColor` are never constructed
[INFO] [stdout]   --> src/data_structures_1.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 28 |     Red, // "memberless struct"
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     Green, // "memberless struct"
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Blue, // etc...
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     RGBColor(u8, u8, u8), // tuple
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]  --> src/generics.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line<T> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 7 |     start: Point<T>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     end: Point<T>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]  --> src/constants.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |         println!("Z = {}", Z);
[INFO] [stdout]   |                            ^ shared reference to mutable static
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myLine` should have a snake case name
[INFO] [stdout]   --> src/data_structures_1.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let myLine = Line { start: p, end: p2 };
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `my_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myLine` should have a snake case name
[INFO] [stdout]   --> src/generics.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let myLine = Line { start: a, end: b };
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `my_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/stack_and_heap.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let x = 5; // i32 stored on the stack
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/data_structures_2.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let u:&str = &letters; // d-ref conversions
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]  --> src/pattern_matching.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         z @ 9...11 => "lots of", //assign range to variable
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `myLine`
[INFO] [stdout]   --> src/generics.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let myLine = Line { start: a, end: b };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_myLine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]  --> src/stack_and_heap.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     x: f64,
[INFO] [stdout] 7 |     y: f64
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cyan`, `magenta`, and `yellow` are never read
[INFO] [stdout]   --> src/data_structures_1.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
[INFO] [stdout]    |     --------- ^^^^     ^^^^^^^     ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red`, `Green`, `Blue`, and `RGBColor` are never constructed
[INFO] [stdout]   --> src/data_structures_1.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 28 |     Red, // "memberless struct"
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     Green, // "memberless struct"
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     Blue, // etc...
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     RGBColor(u8, u8, u8), // tuple
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]  --> src/generics.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line<T> {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 7 |     start: Point<T>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     end: Point<T>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]  --> src/constants.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |         println!("Z = {}", Z);
[INFO] [stdout]   |                            ^ shared reference to mutable static
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myLine` should have a snake case name
[INFO] [stdout]   --> src/data_structures_1.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let myLine = Line { start: p, end: p2 };
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `my_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `myLine` should have a snake case name
[INFO] [stdout]   --> src/generics.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let myLine = Line { start: a, end: b };
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `my_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0bfc79994a0a733a47ae3784aea30012c638dcaf5181bff0ae269ee22e9117a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfc79994a0a733a47ae3784aea30012c638dcaf5181bff0ae269ee22e9117a9", kill_on_drop: false }`
[INFO] [stdout] 0bfc79994a0a733a47ae3784aea30012c638dcaf5181bff0ae269ee22e9117a9
