[INFO] cloning repository https://github.com/ihcsim/rust-101 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihcsim/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihcsim%2Frust-101", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihcsim%2Frust-101'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81d57c73b4f1c47a056c10671e31c778f21904c3 [INFO] testing ihcsim/rust-101 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%2Fihcsim%2Frust-101" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ihcsim/rust-101 [INFO] finished tweaking git repo https://github.com/ihcsim/rust-101 [INFO] tweaked toml for git repo https://github.com/ihcsim/rust-101 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ihcsim/rust-101 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/ihcsim/rust-101 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] 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b6223b13598e02053496e89f0151d0ad006dd02051830a6505c26efdd4d6b1ec [INFO] running `Command { std: "docker" "start" "-a" "b6223b13598e02053496e89f0151d0ad006dd02051830a6505c26efdd4d6b1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6223b13598e02053496e89f0151d0ad006dd02051830a6505c26efdd4d6b1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6223b13598e02053496e89f0151d0ad006dd02051830a6505c26efdd4d6b1ec", kill_on_drop: false }` [INFO] [stdout] b6223b13598e02053496e89f0151d0ad006dd02051830a6505c26efdd4d6b1ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 55cefc7878f79c11611fe7080e186d3b079584bbd6198a110bc1ae9747928a89 [INFO] running `Command { std: "docker" "start" "-a" "55cefc7878f79c11611fe7080e186d3b079584bbd6198a110bc1ae9747928a89", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling rust-101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/lifetime.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let i = ImportantExcerpt { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> src/bin/lifetime.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 22 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> src/bin/lifetime.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 26 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> src/bin/lifetime.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/matches.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/bin/matches.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/closure.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> src/bin/closure.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 72 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/bin/matches.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 11 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 13 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/bin/matches.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 19 | 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: unused variable: `f1` [INFO] [stdout] --> src/bin/errors.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let f1 = match f1 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> src/bin/errors.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let f2 = match f2 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f3` [INFO] [stdout] --> src/bin/errors.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let f3 = File::open("hello.txt").unwrap_or_else(|error| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f4` [INFO] [stdout] --> src/bin/errors.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let f4 = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f5` [INFO] [stdout] --> src/bin/errors.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let f5 = File::open("hello.txt").expect("can't open file"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `day`, `month`, and `year` are never read [INFO] [stdout] --> src/bin/test-1.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | struct Date { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 62 | day: i8, [INFO] [stdout] | ^^^ [INFO] [stdout] 63 | month: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 64 | year: i16, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Date` 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] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/bin/errors.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BinaryTree` is never used [INFO] [stdout] --> src/bin/binary_tree.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum BinaryTree { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_weight_v1` is never used [INFO] [stdout] --> src/bin/binary_tree.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn tree_weight_v1(t: &BinaryTree) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sample_tree` is never used [INFO] [stdout] --> src/bin/binary_tree.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn sample_tree() -> BinaryTree { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `num_to_ordinal` is never used [INFO] [stdout] --> src/bin/binary_tree.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn num_to_ordinal(x: u32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `num_to_ordinal_expr` is never used [INFO] [stdout] --> src/bin/binary_tree.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn num_to_ordinal_expr(x: u32) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | 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] 43 - Int(i32), [INFO] [stdout] 43 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | 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] 44 - Float(f64), [INFO] [stdout] 44 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | 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] 45 - Text(String), [INFO] [stdout] 45 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/bin/enumerations.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/enumerations.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/bin/enumerations.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct IpAddrStruct { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 41 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrStruct` 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] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user3` [INFO] [stdout] --> src/bin/structures.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let user3 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/bin/ipaddr.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username`, `sign_in_count`, and `active` are never read [INFO] [stdout] --> src/bin/structures.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 24 | username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 25 | email: String, [INFO] [stdout] 26 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 27 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/ipaddr.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/bin/ipaddr.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct IpAddrStruct { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 41 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrStruct` 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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V4(String), [INFO] [stdout] 47 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V6(String), [INFO] [stdout] 48 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/ipaddr.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stdout] 53 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | 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] 54 - V6(String), [INFO] [stdout] 54 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/bin/ipaddr.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 64 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/bin/ipaddr.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 72 | fn call(&self) {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V4(String), [INFO] [stdout] 47 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V6(String), [INFO] [stdout] 48 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/enumerations.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stdout] 53 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | 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] 54 - V6(String), [INFO] [stdout] 54 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/bin/enumerations.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 64 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/bin/enumerations.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 72 | fn call(&self) {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/bin/traits.rs:63:39 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notify_trait_bound(item: &T) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/bin/traits.rs:64:41 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/bin/traits.rs:64:52 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/traits.rs:66:28 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/traits.rs:66:35 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "55cefc7878f79c11611fe7080e186d3b079584bbd6198a110bc1ae9747928a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55cefc7878f79c11611fe7080e186d3b079584bbd6198a110bc1ae9747928a89", kill_on_drop: false }` [INFO] [stdout] 55cefc7878f79c11611fe7080e186d3b079584bbd6198a110bc1ae9747928a89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ba9fd1a3c7dbee02c45e307fc9c85f2cf09c8c35b0fdeb48a3175929828227c [INFO] running `Command { std: "docker" "start" "-a" "3ba9fd1a3c7dbee02c45e307fc9c85f2cf09c8c35b0fdeb48a3175929828227c", kill_on_drop: false }` [INFO] [stderr] Compiling rust-101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/matches.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/bin/matches.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/bin/matches.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 11 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 13 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/bin/matches.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 19 | 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: unused variable: `user3` [INFO] [stdout] --> src/bin/structures.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let user3 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `username`, `sign_in_count`, and `active` are never read [INFO] [stdout] --> src/bin/structures.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 23 | struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 24 | username: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 25 | email: String, [INFO] [stdout] 26 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 27 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/lifetime.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let i = ImportantExcerpt { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> src/bin/lifetime.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 22 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> src/bin/lifetime.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 25 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 26 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> src/bin/lifetime.rs:38:4 [INFO] [stdout] | [INFO] [stdout] 38 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f1` [INFO] [stdout] --> src/bin/errors.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let f1 = match f1 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f2` [INFO] [stdout] --> src/bin/errors.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let f2 = match f2 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f3` [INFO] [stdout] --> src/bin/errors.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let f3 = File::open("hello.txt").unwrap_or_else(|error| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f4` [INFO] [stdout] --> src/bin/errors.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let f4 = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f4` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f5` [INFO] [stdout] --> src/bin/errors.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | let f5 = File::open("hello.txt").expect("can't open file"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_f5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/bin/errors.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `day`, `month`, and `year` are never read [INFO] [stdout] --> src/bin/test-1.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 61 | struct Date { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 62 | day: i8, [INFO] [stdout] | ^^^ [INFO] [stdout] 63 | month: i8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 64 | year: i16, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Date` 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] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/bin/traits.rs:63:39 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notify_trait_bound(item: &T) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/bin/traits.rs:64:41 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/bin/traits.rs:64:52 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/traits.rs:66:28 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/traits.rs:66:35 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | 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] 43 - Int(i32), [INFO] [stdout] 43 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | 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] 44 - Float(f64), [INFO] [stdout] 44 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/vector.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | 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] 45 - Text(String), [INFO] [stdout] 45 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/bin/enumerations.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/enumerations.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/bin/enumerations.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct IpAddrStruct { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 41 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrStruct` 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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V4(String), [INFO] [stdout] 47 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V6(String), [INFO] [stdout] 48 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/enumerations.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stdout] 53 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/enumerations.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | 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] 54 - V6(String), [INFO] [stdout] 54 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/bin/enumerations.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 64 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/bin/enumerations.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 72 | fn call(&self) {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/bin/ipaddr.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/bin/ipaddr.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/bin/ipaddr.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | struct IpAddrStruct { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 41 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 42 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrStruct` 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] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V4(String), [INFO] [stdout] 47 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddrString` 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 - V6(String), [INFO] [stdout] 48 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/bin/ipaddr.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stdout] 53 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/ipaddr.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | 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] 54 - V6(String), [INFO] [stdout] 54 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/bin/ipaddr.rs:64:6 [INFO] [stdout] | [INFO] [stdout] 64 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/bin/ipaddr.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 72 | fn call(&self) {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "3ba9fd1a3c7dbee02c45e307fc9c85f2cf09c8c35b0fdeb48a3175929828227c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ba9fd1a3c7dbee02c45e307fc9c85f2cf09c8c35b0fdeb48a3175929828227c", kill_on_drop: false }` [INFO] [stdout] 3ba9fd1a3c7dbee02c45e307fc9c85f2cf09c8c35b0fdeb48a3175929828227c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 48c664e45a1a55950013af9b18bc612f22f54c1d0cf984c031674c3cb8035a12 [INFO] running `Command { std: "docker" "start" "-a" "48c664e45a1a55950013af9b18bc612f22f54c1d0cf984c031674c3cb8035a12", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/bin/lifetime.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let i = ImportantExcerpt { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `part` is never read [INFO] [stderr] --> src/bin/lifetime.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 21 | struct ImportantExcerpt<'a> { [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] 22 | part: &'a str, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stderr] --> src/bin/lifetime.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 25 | impl<'a> ImportantExcerpt<'a> { [INFO] [stderr] | ----------------------------- methods in this implementation [INFO] [stderr] 26 | fn level(&self) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 30 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `longest_with_an_announcement` is never used [INFO] [stderr] --> src/bin/lifetime.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-101` (bin "lifetime" test) generated 4 warnings [INFO] [stderr] warning: unused variable: `f1` [INFO] [stderr] --> src/bin/errors.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let f1 = match f1 { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f2` [INFO] [stderr] --> src/bin/errors.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let f2 = match f2 { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f3` [INFO] [stderr] --> src/bin/errors.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let f3 = File::open("hello.txt").unwrap_or_else(|error| { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f4` [INFO] [stderr] --> src/bin/errors.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let f4 = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f4` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f5` [INFO] [stderr] --> src/bin/errors.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let f5 = File::open("hello.txt").expect("can't open file"); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_f5` [INFO] [stderr] [INFO] [stderr] warning: function `read_username_from_file` is never used [INFO] [stderr] --> src/bin/errors.rs:40:4 [INFO] [stderr] | [INFO] [stderr] 40 | fn read_username_from_file() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item` [INFO] [stderr] --> src/bin/traits.rs:63:39 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn notify_trait_bound(item: &T) {} [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/bin/traits.rs:64:41 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item2` [INFO] [stderr] --> src/bin/traits.rs:64:52 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn notify_trait_bound_2(item1: &T, item2: &T) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/bin/traits.rs:66:28 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/bin/traits.rs:66:35 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn some_function(t: &T, u: &U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four` [INFO] [stderr] --> src/bin/enumerations.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let four = IpAddrKind::V4; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/bin/enumerations.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let six = IpAddrKind::V6; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: fields `kind` and `address` are never read [INFO] [stderr] --> src/bin/enumerations.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 40 | struct IpAddrStruct { [INFO] [stderr] | ------------ fields in this struct [INFO] [stderr] 41 | kind: IpAddrKind, [INFO] [stderr] | ^^^^ [INFO] [stderr] 42 | address: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrStruct` 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] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/enumerations.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | V4(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrString` 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] 47 - V4(String), [INFO] [stderr] 47 + V4(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/enumerations.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrString` 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 - V6(String), [INFO] [stderr] 48 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> src/bin/enumerations.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stderr] 53 + V4((), (), (), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/enumerations.rs:54:8 [INFO] [stderr] | [INFO] [stderr] 54 | 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] 54 - V6(String), [INFO] [stderr] 54 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: enum `Message` is never used [INFO] [stderr] --> src/bin/enumerations.rs:64:6 [INFO] [stderr] | [INFO] [stderr] 64 | enum Message { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `call` is never used [INFO] [stderr] --> src/bin/enumerations.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 71 | impl Message { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 72 | fn call(&self) {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/vector.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | Int(i32), [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] = note: `#[warn(dead_code)]` 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] 43 - Int(i32), [INFO] [stderr] 43 + Int(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/vector.rs:44:11 [INFO] [stderr] | [INFO] [stderr] 44 | 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] 44 - Float(f64), [INFO] [stderr] 44 + Float(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/vector.rs:45:10 [INFO] [stderr] | [INFO] [stderr] 45 | 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] 45 - Text(String), [INFO] [stderr] 45 + Text(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `day`, `month`, and `year` are never read [INFO] [stderr] --> src/bin/test-1.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 61 | struct Date { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 62 | day: i8, [INFO] [stderr] | ^^^ [INFO] [stderr] 63 | month: i8, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 64 | year: i16, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Date` 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] [INFO] [stderr] warning: `rust-101` (bin "errors" test) generated 6 warnings [INFO] [stderr] warning: `rust-101` (bin "traits" test) generated 5 warnings [INFO] [stderr] warning: `rust-101` (bin "enumerations" test) generated 9 warnings [INFO] [stderr] warning: `rust-101` (bin "vector" test) generated 3 warnings [INFO] [stderr] warning: `rust-101` (bin "test-1" test) generated 1 warning [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/bin/matches.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/bin/matches.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stderr] --> src/bin/matches.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 10 | enum Coin { [INFO] [stderr] | ---- variants in this enum [INFO] [stderr] 11 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 12 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 13 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Alabama` is never constructed [INFO] [stderr] --> src/bin/matches.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 18 | enum UsState { [INFO] [stderr] | ------- variant in this enum [INFO] [stderr] 19 | 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: unused variable: `user3` [INFO] [stderr] --> src/bin/structures.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let user3 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user3` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `username`, `sign_in_count`, and `active` are never read [INFO] [stderr] --> src/bin/structures.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 23 | struct User { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 24 | username: String, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 25 | email: String, [INFO] [stderr] 26 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 27 | active: bool, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four` [INFO] [stderr] --> src/bin/ipaddr.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let four = IpAddrKind::V4; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/bin/ipaddr.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | let six = IpAddrKind::V6; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: fields `kind` and `address` are never read [INFO] [stderr] --> src/bin/ipaddr.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 40 | struct IpAddrStruct { [INFO] [stderr] | ------------ fields in this struct [INFO] [stderr] 41 | kind: IpAddrKind, [INFO] [stderr] | ^^^^ [INFO] [stderr] 42 | address: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrStruct` 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] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/ipaddr.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | V4(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrString` 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] 47 - V4(String), [INFO] [stderr] 47 + V4(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/ipaddr.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `IpAddrString` 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 - V6(String), [INFO] [stderr] 48 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stderr] --> src/bin/ipaddr.rs:53:8 [INFO] [stderr] | [INFO] [stderr] 53 | 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] 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] 53 - V4(u8, u8, u8, u8), [INFO] [stderr] 53 + V4((), (), (), ()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/ipaddr.rs:54:8 [INFO] [stderr] | [INFO] [stderr] 54 | 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] 54 - V6(String), [INFO] [stderr] 54 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: enum `Message` is never used [INFO] [stderr] --> src/bin/ipaddr.rs:64:6 [INFO] [stderr] | [INFO] [stderr] 64 | enum Message { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `call` is never used [INFO] [stderr] --> src/bin/ipaddr.rs:72:8 [INFO] [stderr] | [INFO] [stderr] 71 | impl Message { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 72 | fn call(&self) {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-101` (bin "matches" test) generated 4 warnings [INFO] [stderr] warning: `rust-101` (bin "structures" test) generated 2 warnings [INFO] [stderr] warning: `rust-101` (bin "ipaddr" test) generated 9 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/bin/binary_tree.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/binary_tree-7eb91ca550a9918c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_num_to_ordinal ... ok [INFO] [stdout] test test_num_to_ordinal_expr ... ok [INFO] [stdout] test tree_demo_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/branches.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/branches-55070d5b0bac287c) [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/bin/calc_all.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/calc_all-4cca50d9b07690df) [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/bin/carol.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/carol-bc3a47b6e5e92607) [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/bin/closure.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/closure-92f07bfc3eae0c6b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::call_with_different_values ... 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/bin/conversion.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/conversion-5a00d1144619701c) [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/bin/employees.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/employees-7299ab99f50f412a) [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/bin/enumerations.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/enumerations-d6cdb412c52171a5) [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/bin/errors.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/errors-99e8480ba01a2cca) [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/bin/fibonacci.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fibonacci-c46ae60e83af7d45) [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/bin/functions.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/functions-e338e6a807f7395c) [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/bin/guessing_game.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guessing_game-6022210a35791f3b) [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/bin/hashmap.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hashmap-f7c540b955fb00da) [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/bin/hello_cargo.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello_cargo-dc8a377147fcbe51) [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/bin/highest.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/highest-1877a55be1ec9720) [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/bin/highest_generic.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/highest_generic-40dc27ece4d6a84b) [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/bin/ipaddr.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ipaddr-aff9b84b30cec813) [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/bin/lifetime.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/lifetime-db1f211ab1496597) [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/bin/matches.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/matches-e54184d0991f36f7) [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/bin/pig_latin.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pig_latin-c3882e41071c171e) [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/bin/rectangle.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rectangle-dc367fe2dac782d0) [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/rust_101-38a63225ba8d7d91) [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/bin/strings.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/strings-ea791655bdc51eaa) [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/bin/structures.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/structures-db78324235cbe1ff) [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/bin/test-1.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_1-a97084116928ec33) [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/bin/traits.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/traits-66883370cc5f45cd) [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/bin/variables.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/variables-aeecc10ad3107e3b) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/vector.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/vector-b0e2c7d1350f499a) [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" "48c664e45a1a55950013af9b18bc612f22f54c1d0cf984c031674c3cb8035a12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48c664e45a1a55950013af9b18bc612f22f54c1d0cf984c031674c3cb8035a12", kill_on_drop: false }` [INFO] [stdout] 48c664e45a1a55950013af9b18bc612f22f54c1d0cf984c031674c3cb8035a12