[INFO] cloning repository https://github.com/yuya373/trpl [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuya373/trpl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya373%2Ftrpl", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya373%2Ftrpl'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a44a0c09f12646a37cdfc1d60dcf404910d06f75 [INFO] testing yuya373/trpl against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya373%2Ftrpl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yuya373/trpl [INFO] finished tweaking git repo https://github.com/yuya373/trpl [INFO] tweaked toml for git repo https://github.com/yuya373/trpl written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yuya373/trpl on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yuya373/trpl 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter7/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter6/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter10/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter8/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter5/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/chapter9/Cargo.toml: 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a35ba88cedf309d6c3c9ca5346b16ff5099b8699325113f28341e25022f1afb2 [INFO] running `Command { std: "docker" "start" "-a" "a35ba88cedf309d6c3c9ca5346b16ff5099b8699325113f28341e25022f1afb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a35ba88cedf309d6c3c9ca5346b16ff5099b8699325113f28341e25022f1afb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a35ba88cedf309d6c3c9ca5346b16ff5099b8699325113f28341e25022f1afb2", kill_on_drop: false }` [INFO] [stdout] a35ba88cedf309d6c3c9ca5346b16ff5099b8699325113f28341e25022f1afb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8534942faf323a7e510c198025ad3c053b7745be70376cd4039290c40e17b790 [INFO] running `Command { std: "docker" "start" "-a" "8534942faf323a7e510c198025ad3c053b7745be70376cd4039290c40e17b790", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/chapter5/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter6/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter7/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter10/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter9/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter8/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7) [INFO] [stderr] Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8) [INFO] [stderr] Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4) [INFO] [stderr] Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10) [INFO] [stderr] Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6) [INFO] [stderr] Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9) [INFO] [stderr] Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5) [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> chapter10/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 5 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `announce_and_return_part` is never used [INFO] [stdout] --> chapter10/src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_u8_value` [INFO] [stdout] --> chapter6/src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let some_u8_value = Some(0u8); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_u8_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> chapter4/src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let s1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> chapter4/src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> chapter4/src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let r2 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> chapter4/src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> chapter4/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> chapter5/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let user2 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `black` [INFO] [stdout] --> chapter5/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let black = Color(0, 0, 0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> chapter6/src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 40 - V4(u8, u8, u8, u8), [INFO] [stdout] 40 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter6/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` 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] 41 - V6(String), [INFO] [stdout] 41 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> chapter6/src/main.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | Move { x: i32, y: i32 }, [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] --> chapter6/src/main.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | Write(String), [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] 48 - Write(String), [INFO] [stdout] 48 + Write(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ChangeColor` is never constructed [INFO] [stdout] --> chapter6/src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 44 | enum Message { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 49 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^ [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: variant `Alabama` is never constructed [INFO] [stdout] --> chapter6/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 59 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed [INFO] [stdout] --> chapter6/src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 63 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 64 | Penny, [INFO] [stdout] 65 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 66 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter4/src/main.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let mut s = String::from("hello"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter4/src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut s = String::from("hello world"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter8/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `no_dangle` is never used [INFO] [stdout] --> chapter4/src/main.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter8/src/main.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | let mut count = map.entry(i).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sign_in_count` and `active` are never read [INFO] [stdout] --> chapter5/src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 50 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 53 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 54 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> chapter5/src/main.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl User { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | fn new(email: String, username: String) -> User { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> chapter5/src/main.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `square`, `widen`, `takes_ownership`, and `transform` are never used [INFO] [stdout] --> chapter5/src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn widen(&mut self, n: u32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn takes_ownership(self) -> Rectangle { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn transform(self, w: u32, h: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter8/src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | 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)]` 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] 46 - Int(i32), [INFO] [stdout] 46 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter8/src/main.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 47 | 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] 47 - Float(f64), [INFO] [stdout] 47 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter8/src/main.rs:48:14 [INFO] [stdout] | [INFO] [stdout] 48 | 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] 48 - Text(String), [INFO] [stdout] 48 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> chapter8/src/main.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | &members.sort(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 206 | let _ = &members.sort(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> chapter8/src/main.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | / &all_members.sort_by(|&a, &b| { [INFO] [stdout] 225 | | let (name1, _) = a; [INFO] [stdout] 226 | | let (name2, _) = b; [INFO] [stdout] 227 | | return name1.cmp(name2); [INFO] [stdout] 228 | | }); [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 224 | let _ = &all_members.sort_by(|&a, &b| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s [INFO] running `Command { std: "docker" "inspect" "8534942faf323a7e510c198025ad3c053b7745be70376cd4039290c40e17b790", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8534942faf323a7e510c198025ad3c053b7745be70376cd4039290c40e17b790", kill_on_drop: false }` [INFO] [stdout] 8534942faf323a7e510c198025ad3c053b7745be70376cd4039290c40e17b790 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9c9d2ceb9bee08cd110c12a18b4fa7a5934b9483ebd0d2b8855d4651cd0647cd [INFO] running `Command { std: "docker" "start" "-a" "9c9d2ceb9bee08cd110c12a18b4fa7a5934b9483ebd0d2b8855d4651cd0647cd", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/chapter4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter5/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter7/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter6/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter9/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter8/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter10/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7) [INFO] [stderr] Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6) [INFO] [stderr] Compiling chapter4 v0.1.0 (/opt/rustwide/workdir/chapter4) [INFO] [stderr] Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10) [INFO] [stderr] Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5) [INFO] [stderr] Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8) [INFO] [stderr] Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9) [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> chapter5/src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let user2 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `black` [INFO] [stdout] --> chapter5/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let black = Color(0, 0, 0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `sign_in_count` and `active` are never read [INFO] [stdout] --> chapter5/src/main.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 50 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 53 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 54 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_u8_value` [INFO] [stdout] --> chapter6/src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let some_u8_value = Some(0u8); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_u8_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> chapter5/src/main.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 57 | impl User { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | fn new(email: String, username: String) -> User { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> chapter5/src/main.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `square`, `widen`, `takes_ownership`, and `transform` are never used [INFO] [stdout] --> chapter5/src/main.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn widen(&mut self, n: u32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 109 | fn takes_ownership(self) -> Rectangle { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | fn transform(self, w: u32, h: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> chapter6/src/main.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 40 - V4(u8, u8, u8, u8), [INFO] [stdout] 40 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter6/src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` 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] 41 - V6(String), [INFO] [stdout] 41 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> chapter6/src/main.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | Move { x: i32, y: i32 }, [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] --> chapter6/src/main.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | Write(String), [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] 48 - Write(String), [INFO] [stdout] 48 + Write(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> chapter10/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 5 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `announce_and_return_part` is never used [INFO] [stdout] --> chapter10/src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ChangeColor` is never constructed [INFO] [stdout] --> chapter6/src/main.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 44 | enum Message { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 49 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^ [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: variant `Alabama` is never constructed [INFO] [stdout] --> chapter6/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 59 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed [INFO] [stdout] --> chapter6/src/main.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 63 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 64 | Penny, [INFO] [stdout] 65 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 66 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> chapter4/src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let s1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> chapter4/src/main.rs:86:13 [INFO] [stdout] | [INFO] [stdout] 86 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> chapter4/src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let r2 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> chapter4/src/main.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> chapter4/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter4/src/main.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let mut s = String::from("hello"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter4/src/main.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut s = String::from("hello world"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter8/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `no_dangle` is never used [INFO] [stdout] --> chapter4/src/main.rs:168:4 [INFO] [stdout] | [INFO] [stdout] 168 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chapter8/src/main.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | let mut count = map.entry(i).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> chapter8/src/main.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | &members.sort(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 206 | let _ = &members.sort(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> chapter8/src/main.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | / &all_members.sort_by(|&a, &b| { [INFO] [stdout] 225 | | let (name1, _) = a; [INFO] [stdout] 226 | | let (name2, _) = b; [INFO] [stdout] 227 | | return name1.cmp(name2); [INFO] [stdout] 228 | | }); [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 224 | let _ = &all_members.sort_by(|&a, &b| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "9c9d2ceb9bee08cd110c12a18b4fa7a5934b9483ebd0d2b8855d4651cd0647cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c9d2ceb9bee08cd110c12a18b4fa7a5934b9483ebd0d2b8855d4651cd0647cd", kill_on_drop: false }` [INFO] [stdout] 9c9d2ceb9bee08cd110c12a18b4fa7a5934b9483ebd0d2b8855d4651cd0647cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 27fc54e57451286c049e4297daf76e8f267a4383b62790786128d9b17ef9a456 [INFO] running `Command { std: "docker" "start" "-a" "27fc54e57451286c049e4297daf76e8f267a4383b62790786128d9b17ef9a456", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/chapter7/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter4/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter10/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter9/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter8/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter5/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: /opt/rustwide/workdir/chapter6/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unused variable: `some_u8_value` [INFO] [stderr] --> chapter6/src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let some_u8_value = Some(0u8); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_u8_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> chapter6/src/main.rs:40:8 [INFO] [stderr] | [INFO] [stderr] 40 | V4(u8, u8, u8, u8), [INFO] [stderr] | -- ^^ ^^ ^^ ^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [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] 40 - V4(u8, u8, u8, u8), [INFO] [stderr] 40 + V4((), (), (), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> chapter6/src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddr` 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] 41 - V6(String), [INFO] [stderr] 41 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `x` and `y` are never read [INFO] [stderr] --> chapter6/src/main.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | Move { x: i32, y: i32 }, [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] --> chapter6/src/main.rs:48:11 [INFO] [stderr] | [INFO] [stderr] 48 | Write(String), [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] 48 - Write(String), [INFO] [stderr] 48 + Write(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variant `ChangeColor` is never constructed [INFO] [stderr] --> chapter6/src/main.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 44 | enum Message { [INFO] [stderr] | ------- variant in this enum [INFO] [stderr] ... [INFO] [stderr] 49 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^ [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: variant `Alabama` is never constructed [INFO] [stderr] --> chapter6/src/main.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 58 | enum UsState { [INFO] [stderr] | ------- variant in this enum [INFO] [stderr] 59 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: variants `Nickel` and `Dime` are never constructed [INFO] [stderr] --> chapter6/src/main.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 63 | enum Coin { [INFO] [stderr] | ---- variants in this enum [INFO] [stderr] 64 | Penny, [INFO] [stderr] 65 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 66 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s1` [INFO] [stderr] --> chapter4/src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let s1 = &mut s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> chapter4/src/main.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let r1 = &mut s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> chapter4/src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | let r2 = &mut s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> chapter4/src/main.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let r1 = &s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> chapter4/src/main.rs:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | let r2 = &s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> chapter4/src/main.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let mut s = String::from("hello"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> chapter4/src/main.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let mut s = String::from("hello world"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function `no_dangle` is never used [INFO] [stderr] --> chapter4/src/main.rs:168:4 [INFO] [stderr] | [INFO] [stderr] 168 | fn no_dangle() -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `part` is never read [INFO] [stderr] --> chapter10/src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 4 | struct ImportantExcerpt<'a> { [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] 5 | part: &'a str, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `announce_and_return_part` is never used [INFO] [stderr] --> chapter10/src/main.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 8 | impl<'a> ImportantExcerpt<'a> { [INFO] [stderr] | ----------------------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user2` [INFO] [stderr] --> chapter5/src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let user2 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `black` [INFO] [stderr] --> chapter5/src/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let black = Color(0, 0, 0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stderr] [INFO] [stderr] warning: fields `sign_in_count` and `active` are never read [INFO] [stderr] --> chapter5/src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 50 | struct User { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 53 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 54 | active: bool, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> chapter5/src/main.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 57 | impl User { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 67 | fn new(email: String, username: String) -> User { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, and `2` are never read [INFO] [stderr] --> chapter5/src/main.rs:81:14 [INFO] [stderr] | [INFO] [stderr] 81 | struct Color(i32, i32, i32); [INFO] [stderr] | ----- ^^^ ^^^ ^^^ [INFO] [stderr] | | [INFO] [stderr] | fields in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing these fields [INFO] [stderr] [INFO] [stderr] warning: associated items `square`, `widen`, `takes_ownership`, and `transform` are never used [INFO] [stderr] --> chapter5/src/main.rs:97:8 [INFO] [stderr] | [INFO] [stderr] 90 | impl Rectangle { [INFO] [stderr] | -------------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 97 | fn square(size: u32) -> Rectangle { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 105 | fn widen(&mut self, n: u32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 109 | fn takes_ownership(self) -> Rectangle { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 113 | fn transform(self, w: u32, h: u32) -> Rectangle { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `chapter6` (bin "chapter6" test) generated 8 warnings [INFO] [stderr] warning: `chapter4` (bin "chapter4" test) generated 8 warnings (run `cargo fix --bin "chapter4" --tests` to apply 2 suggestions) [INFO] [stderr] warning: `chapter10` (bin "chapter10" test) generated 2 warnings [INFO] [stderr] warning: `chapter5` (bin "chapter5" test) generated 6 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> chapter8/src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> chapter8/src/main.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | let mut count = map.entry(i).or_insert(0); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> chapter8/src/main.rs:206:17 [INFO] [stderr] | [INFO] [stderr] 206 | &members.sort(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 206 | let _ = &members.sort(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> chapter8/src/main.rs:224:9 [INFO] [stderr] | [INFO] [stderr] 224 | / &all_members.sort_by(|&a, &b| { [INFO] [stderr] 225 | | let (name1, _) = a; [INFO] [stderr] 226 | | let (name2, _) = b; [INFO] [stderr] 227 | | return name1.cmp(name2); [INFO] [stderr] 228 | | }); [INFO] [stderr] | |__________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 224 | let _ = &all_members.sort_by(|&a, &b| { [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `chapter8` (bin "chapter8" test) generated 4 warnings (run `cargo fix --bin "chapter8" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter10-2eac3c19449afa2e) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter4-6a42123d5fbf6877) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter5-cdbb58d2eecdefcb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter6-53c787d0aef145d4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter7-7ee3025feeffe34b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter7-2c6fcdece55b8caf) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter8-af069ac5bcc13d32) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chapter9-f24ad9057b8dd0fa) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "27fc54e57451286c049e4297daf76e8f267a4383b62790786128d9b17ef9a456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fc54e57451286c049e4297daf76e8f267a4383b62790786128d9b17ef9a456", kill_on_drop: false }` [INFO] [stdout] 27fc54e57451286c049e4297daf76e8f267a4383b62790786128d9b17ef9a456