[INFO] cloning repository https://github.com/ttexan1/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttexan1/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttexan1%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttexan1%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c8affa4144bb8a76c16fcd2421e9d0a369d25a9 [INFO] checking ttexan1/rust-practice against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttexan1%2Frust-practice" "/workspace/builds/worker-85/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ttexan1/rust-practice on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ttexan1/rust-practice [INFO] finished tweaking git repo https://github.com/ttexan1/rust-practice [INFO] tweaked toml for git repo https://github.com/ttexan1/rust-practice written to /workspace/builds/worker-85/source/Cargo.toml [INFO] crate git repo https://github.com/ttexan1/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3efe176310418b2108c11eb239c2a08f228696329b3ca65d09f810f13f9cfbb4 [INFO] running `Command { std: "docker" "start" "-a" "3efe176310418b2108c11eb239c2a08f228696329b3ca65d09f810f13f9cfbb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3efe176310418b2108c11eb239c2a08f228696329b3ca65d09f810f13f9cfbb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3efe176310418b2108c11eb239c2a08f228696329b3ca65d09f810f13f9cfbb4", kill_on_drop: false }` [INFO] [stdout] 3efe176310418b2108c11eb239c2a08f228696329b3ca65d09f810f13f9cfbb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f800eb4448a8e9ff262183a7f0815ed64d46299dda77d7183497589f235a19dc [INFO] running `Command { std: "docker" "start" "-a" "f800eb4448a8e9ff262183a7f0815ed64d46299dda77d7183497589f235a19dc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking smawk v0.3.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking smallvec v0.4.5 [INFO] [stderr] Checking textwrap v0.13.4 [INFO] [stderr] Checking ferris-says v0.2.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking hello-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/chapter6.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_string` [INFO] [stdout] --> src/chapter6.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let some_string = Some("a string"); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/chapter6.rs:64:7 [INFO] [stdout] | [INFO] [stdout] 64 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V4` [INFO] [stdout] --> src/chapter6.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | V4(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> src/chapter6.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | V6(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/chapter6.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/chapter6.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/chapter6.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/chapter6.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 22 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/chapter6.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 24 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/chapter6.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_string` [INFO] [stdout] --> src/chapter6.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let some_string = Some("a string"); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/chapter6.rs:64:7 [INFO] [stdout] | [INFO] [stdout] 64 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V4` [INFO] [stdout] --> src/chapter6.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | V4(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> src/chapter6.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | V6(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/chapter6.rs:16:3 [INFO] [stdout] | [INFO] [stdout] 16 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/chapter6.rs:17:3 [INFO] [stdout] | [INFO] [stdout] 17 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/chapter6.rs:21:3 [INFO] [stdout] | [INFO] [stdout] 21 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/chapter6.rs:22:3 [INFO] [stdout] | [INFO] [stdout] 22 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/chapter6.rs:24:3 [INFO] [stdout] | [INFO] [stdout] 24 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.47s [INFO] running `Command { std: "docker" "inspect" "f800eb4448a8e9ff262183a7f0815ed64d46299dda77d7183497589f235a19dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f800eb4448a8e9ff262183a7f0815ed64d46299dda77d7183497589f235a19dc", kill_on_drop: false }` [INFO] [stdout] f800eb4448a8e9ff262183a7f0815ed64d46299dda77d7183497589f235a19dc