[INFO] cloning repository https://github.com/T-parrish/Rust_book [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-parrish/Rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4667f4d14000a8368b17c309b4988925ec391a4a [INFO] testing T-parrish/Rust_book against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/T-parrish/Rust_book [INFO] finished tweaking git repo https://github.com/T-parrish/Rust_book [INFO] tweaked toml for git repo https://github.com/T-parrish/Rust_book written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/T-parrish/Rust_book on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/T-parrish/Rust_book 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15836e24dca99d7213cb3a944fa1ad5f4480448bf8385448d32de5a3086c2809 [INFO] running `Command { std: "docker" "start" "-a" "15836e24dca99d7213cb3a944fa1ad5f4480448bf8385448d32de5a3086c2809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15836e24dca99d7213cb3a944fa1ad5f4480448bf8385448d32de5a3086c2809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15836e24dca99d7213cb3a944fa1ad5f4480448bf8385448d32de5a3086c2809", kill_on_drop: false }` [INFO] [stdout] 15836e24dca99d7213cb3a944fa1ad5f4480448bf8385448d32de5a3086c2809 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9acb9a7014dcc7f36de49b8c7b7035c3d6bf796dd041132ef2873fc25983484 [INFO] running `Command { std: "docker" "start" "-a" "c9acb9a7014dcc7f36de49b8c7b7035c3d6bf796dd041132ef2873fc25983484", kill_on_drop: false }` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 58 - Int(i32), [INFO] [stdout] 58 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:59:19 [INFO] [stdout] | [INFO] [stdout] 59 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 59 - Float(f64), [INFO] [stdout] 59 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 60 - Text(String), [INFO] [stdout] 60 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/enums.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | struct IpAddress { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 5 | kind: IpKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddress` 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`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enums.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpKindTerse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 41 - V4(u8, u8, u8, u8), [INFO] [stdout] 41 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpKindTerse` 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] 42 - V6(String), [INFO] [stdout] 42 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/enums.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | Move { x: i32, y: i32 }, // Same as an anonymous struct with x and y pos [INFO] [stdout] | ---- ^ ^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` 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] --> src/enums.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | Write(String), // Same as a tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` 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] 59 - Write(String), // Same as a tuple struct [INFO] [stdout] 59 + Write(()), // Same as a tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/enums.rs:60:21 [INFO] [stdout] | [INFO] [stdout] 60 | ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 60 - ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stdout] 60 + ChangeColor((), (), ()), // Also same as a tuple strut [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/traits.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 36 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed [INFO] [stdout] --> src/box_notes.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct CustomSmartPointer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/box_notes.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | format!("Hello, {}!", name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = format!("Hello, {}!", name); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "c9acb9a7014dcc7f36de49b8c7b7035c3d6bf796dd041132ef2873fc25983484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9acb9a7014dcc7f36de49b8c7b7035c3d6bf796dd041132ef2873fc25983484", kill_on_drop: false }` [INFO] [stdout] c9acb9a7014dcc7f36de49b8c7b7035c3d6bf796dd041132ef2873fc25983484 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64e8e7abe4b12e56730515f04f39316ba3dde47edd0e688e9e0d444074cfcda5 [INFO] running `Command { std: "docker" "start" "-a" "64e8e7abe4b12e56730515f04f39316ba3dde47edd0e688e9e0d444074cfcda5", kill_on_drop: false }` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 58 - Int(i32), [INFO] [stdout] 58 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:59:19 [INFO] [stdout] | [INFO] [stdout] 59 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 59 - Float(f64), [INFO] [stdout] 59 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collections.rs:60:18 [INFO] [stdout] | [INFO] [stdout] 60 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadsheetCell` 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] 60 - Text(String), [INFO] [stdout] 60 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/enums.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | struct IpAddress { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 5 | kind: IpKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddress` 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`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enums.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpKindTerse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 41 - V4(u8, u8, u8, u8), [INFO] [stdout] 41 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enums.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpKindTerse` 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] 42 - V6(String), [INFO] [stdout] 42 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/enums.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | Move { x: i32, y: i32 }, // Same as an anonymous struct with x and y pos [INFO] [stdout] | ---- ^ ^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` 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] --> src/enums.rs:59:15 [INFO] [stdout] | [INFO] [stdout] 59 | Write(String), // Same as a tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` 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] 59 - Write(String), // Same as a tuple struct [INFO] [stdout] 59 + Write(()), // Same as a tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/enums.rs:60:21 [INFO] [stdout] | [INFO] [stdout] 60 | ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stdout] | ----------- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 60 - ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stdout] 60 + ChangeColor((), (), ()), // Also same as a tuple strut [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/traits.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 22 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/traits.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 36 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/box_notes.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | format!("Hello, {}!", name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = format!("Hello, {}!", name); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "64e8e7abe4b12e56730515f04f39316ba3dde47edd0e688e9e0d444074cfcda5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64e8e7abe4b12e56730515f04f39316ba3dde47edd0e688e9e0d444074cfcda5", kill_on_drop: false }` [INFO] [stdout] 64e8e7abe4b12e56730515f04f39316ba3dde47edd0e688e9e0d444074cfcda5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c519f064930964a7a13b84ce8f4caef283948da78a7ee31aafe813670a75013e [INFO] running `Command { std: "docker" "start" "-a" "c519f064930964a7a13b84ce8f4caef283948da78a7ee31aafe813670a75013e", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stdout] [INFO] [stderr] --> src/collections.rs:58:17 [INFO] [stdout] running 5 tests [INFO] [stderr] | [INFO] [stdout] test box_notes::tests::drop_early ... ignored [INFO] [stderr] 58 | Int(i32), [INFO] [stdout] test box_notes::tests::box_deref ... ok [INFO] [stderr] | --- ^^^ [INFO] [stdout] test box_notes::tests::deref_coercion ... ok [INFO] [stderr] | | [INFO] [stdout] test box_notes::tests::normal_deref ... ok [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 58 - Int(i32), [INFO] [stderr] 58 + Int(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/collections.rs:59:19 [INFO] [stderr] | [INFO] [stderr] 59 | Float(f64), [INFO] [stderr] | ----- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 59 - Float(f64), [INFO] [stderr] 59 + Float(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/collections.rs:60:18 [INFO] [stderr] | [INFO] [stderr] 60 | Text(String), [INFO] [stderr] | ---- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `SpreadsheetCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 60 - Text(String), [INFO] [stderr] 60 + Text(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `kind` and `address` are never read [INFO] [stderr] --> src/enums.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 4 | struct IpAddress { [INFO] [stderr] | --------- fields in this struct [INFO] [stderr] 5 | kind: IpKind, [INFO] [stderr] | ^^^^ [INFO] [stderr] 6 | address: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `IpAddress` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> src/enums.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 41 | V4(u8, u8, u8, u8), [INFO] [stderr] | -- ^^ ^^ ^^ ^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpKindTerse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 41 - V4(u8, u8, u8, u8), [INFO] [stderr] 41 + V4((), (), (), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/enums.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpKindTerse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 42 - V6(String), [INFO] [stderr] 42 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `x` and `y` are never read [INFO] [stderr] --> src/enums.rs:58:16 [INFO] [stderr] | [INFO] [stderr] 58 | Move { x: i32, y: i32 }, // Same as an anonymous struct with x and y pos [INFO] [stderr] | ---- ^ ^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/enums.rs:59:15 [INFO] [stderr] | [INFO] [stderr] 59 | Write(String), // Same as a tuple struct [INFO] [stderr] | ----- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 59 - Write(String), // Same as a tuple struct [INFO] [stderr] 59 + Write(()), // Same as a tuple struct [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> src/enums.rs:60:21 [INFO] [stderr] | [INFO] [stderr] 60 | ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stderr] | ----------- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stderr] | [INFO] [stderr] 60 - ChangeColor(i32, i32, i32), // Also same as a tuple strut [INFO] [stderr] 60 + ChangeColor((), (), ()), // Also same as a tuple strut [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `content` is never read [INFO] [stderr] --> src/traits.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 18 | pub struct NewsArticle { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 22 | pub content: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `reply` and `retweet` are never read [INFO] [stderr] --> src/traits.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 32 | pub struct Tweet { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 35 | pub reply: bool, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 36 | pub retweet: bool, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `must_use` that must be used [INFO] [stderr] --> src/box_notes.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | format!("Hello, {}!", name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 76 | let _ = format!("Hello, {}!", name); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 12 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-95b000713f7599b4) [INFO] [stdout] test box_notes::tests::custom_box_deref ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c519f064930964a7a13b84ce8f4caef283948da78a7ee31aafe813670a75013e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c519f064930964a7a13b84ce8f4caef283948da78a7ee31aafe813670a75013e", kill_on_drop: false }` [INFO] [stdout] c519f064930964a7a13b84ce8f4caef283948da78a7ee31aafe813670a75013e