[INFO] cloning repository https://github.com/KelRom/Rust_Essentials_Training [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KelRom/Rust_Essentials_Training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelRom%2FRust_Essentials_Training", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelRom%2FRust_Essentials_Training'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 980d76a036c281350d37fac1122eb7645128cca5 [INFO] checking KelRom/Rust_Essentials_Training against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelRom%2FRust_Essentials_Training" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/KelRom/Rust_Essentials_Training [INFO] finished tweaking git repo https://github.com/KelRom/Rust_Essentials_Training [INFO] tweaked toml for git repo https://github.com/KelRom/Rust_Essentials_Training written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KelRom/Rust_Essentials_Training on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/KelRom/Rust_Essentials_Training 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking KelRom/Rust_Essentials_Training against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelRom%2FRust_Essentials_Training" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/KelRom/Rust_Essentials_Training [INFO] finished tweaking git repo https://github.com/KelRom/Rust_Essentials_Training [INFO] tweaked toml for git repo https://github.com/KelRom/Rust_Essentials_Training written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/KelRom/Rust_Essentials_Training on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/KelRom/Rust_Essentials_Training 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" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5d40f391fd784b5b7c3b30a2dd4c2bb53550b0dff12b9b9a7a2a0f040df3b26 [INFO] running `Command { std: "docker" "start" "-a" "e5d40f391fd784b5b7c3b30a2dd4c2bb53550b0dff12b9b9a7a2a0f040df3b26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5d40f391fd784b5b7c3b30a2dd4c2bb53550b0dff12b9b9a7a2a0f040df3b26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5d40f391fd784b5b7c3b30a2dd4c2bb53550b0dff12b9b9a7a2a0f040df3b26", kill_on_drop: false }` [INFO] [stdout] e5d40f391fd784b5b7c3b30a2dd4c2bb53550b0dff12b9b9a7a2a0f040df3b26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 209e8e036d81f187bff50e5dc479c64fbdab1c6e4388339acf111f6e9b448168 [INFO] running `Command { std: "docker" "start" "-a" "209e8e036d81f187bff50e5dc479c64fbdab1c6e4388339acf111f6e9b448168", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling zerocopy v0.8.25 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking rand v0.9.1 [INFO] [stderr] Checking Rust_Essentials_Training v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `countdown` [INFO] [stdout] --> src/main.rs:470:9 [INFO] [stdout] | [INFO] [stdout] 470 | let countdown: Vec = vec![5, 4, 3, 2, 1]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_countdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `countdown` [INFO] [stdout] --> src/main.rs:470:9 [INFO] [stdout] | [INFO] [stdout] 470 | let countdown: Vec = vec![5, 4, 3, 2, 1]; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_countdown` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `1` and `2` are never read [INFO] [stdout] --> src/main.rs:586:18 [INFO] [stdout] | [INFO] [stdout] 586 | struct Color(u8, u8, u8); // RGB [INFO] [stdout] | ----- ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `2` are never read [INFO] [stdout] --> src/main.rs:587:14 [INFO] [stdout] | [INFO] [stdout] 587 | struct Point(u8, u8, u8); // XYZ [INFO] [stdout] | ----- ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 587 - struct Point(u8, u8, u8); // XYZ [INFO] [stdout] 587 + struct Point((), u8, ()); // XYZ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:597:5 [INFO] [stdout] | [INFO] [stdout] 595 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 596 | width: T, [INFO] [stdout] 597 | height: U, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: method `get_perimeter` is never used [INFO] [stdout] --> src/main.rs:609:8 [INFO] [stdout] | [INFO] [stdout] 608 | impl Rectangle { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 609 | fn get_perimeter(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Circle` and `Triangle` are never constructed [INFO] [stdout] --> src/main.rs:710:5 [INFO] [stdout] | [INFO] [stdout] 709 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 710 | Circle(f64), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 711 | Rectangle(f64, f64), [INFO] [stdout] 712 | Triangle(f64, f64, f64), [INFO] [stdout] | ^^^^^^^^ [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] [INFO] [stdout] [INFO] [stdout] warning: variant `Fahrenheit` is never constructed [INFO] [stdout] --> src/main.rs:742:5 [INFO] [stdout] | [INFO] [stdout] 741 | enum Temperature { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 742 | Fahrenheit(f64), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `1` and `2` are never read [INFO] [stdout] --> src/main.rs:586:18 [INFO] [stdout] | [INFO] [stdout] 586 | struct Color(u8, u8, u8); // RGB [INFO] [stdout] | ----- ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `2` are never read [INFO] [stdout] --> src/main.rs:587:14 [INFO] [stdout] | [INFO] [stdout] 587 | struct Point(u8, u8, u8); // XYZ [INFO] [stdout] | ----- ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 587 - struct Point(u8, u8, u8); // XYZ [INFO] [stdout] 587 + struct Point((), u8, ()); // XYZ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `height` is never read [INFO] [stdout] --> src/main.rs:597:5 [INFO] [stdout] | [INFO] [stdout] 595 | struct Rectangle { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 596 | width: T, [INFO] [stdout] 597 | height: U, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [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: method `get_perimeter` is never used [INFO] [stdout] --> src/main.rs:609:8 [INFO] [stdout] | [INFO] [stdout] 608 | impl Rectangle { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 609 | fn get_perimeter(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Circle` and `Triangle` are never constructed [INFO] [stdout] --> src/main.rs:710:5 [INFO] [stdout] | [INFO] [stdout] 709 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 710 | Circle(f64), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 711 | Rectangle(f64, f64), [INFO] [stdout] 712 | Triangle(f64, f64, f64), [INFO] [stdout] | ^^^^^^^^ [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] [INFO] [stdout] [INFO] [stdout] warning: variant `Fahrenheit` is never constructed [INFO] [stdout] --> src/main.rs:742:5 [INFO] [stdout] | [INFO] [stdout] 741 | enum Temperature { [INFO] [stdout] | ----------- variant in this enum [INFO] [stdout] 742 | Fahrenheit(f64), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s [INFO] running `Command { std: "docker" "inspect" "209e8e036d81f187bff50e5dc479c64fbdab1c6e4388339acf111f6e9b448168", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "209e8e036d81f187bff50e5dc479c64fbdab1c6e4388339acf111f6e9b448168", kill_on_drop: false }` [INFO] [stdout] 209e8e036d81f187bff50e5dc479c64fbdab1c6e4388339acf111f6e9b448168