[INFO] cloning repository https://github.com/Benji19967/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Benji19967/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dae9b7414c44779c79b78f76ad8ab472b2f727ad
[INFO] checking Benji19967/rust_sandbox against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Benji19967/rust_sandbox on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/Benji19967/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/Benji19967/rust_sandbox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Benji19967/rust_sandbox 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/my_own_iterators.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Todos` is never constructed
[INFO] [stdout]   --> src/my_own_iterators.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Todos {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `message` and `done` are never read
[INFO] [stdout]   --> src/my_own_iterators.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Todo {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 33 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 34 |     done: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TodosIterator` is never constructed
[INFO] [stdout]   --> src/my_own_iterators.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct TodosIterator<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/my_own_iterators.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Todos {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 56 |     fn iter(&self) -> TodosIterator {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/my_enums.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Write(String),               // Tuple struct
[INFO] [stdout]    |         ----- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = 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] 24 |         Write(()),               // Tuple struct
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/my_structs.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     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: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/my_structs.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     struct Point(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: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/macros_examples.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let mut v = Vec::new();
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 63 |     let s: Vec<&str> = vec_strs![];
[INFO] [stdout]    |                        ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_sandbox::my_iterators::sum_of_vector`
[INFO] [stdout]  --> benches/my_benchmark.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_sandbox::my_iterators::sum_of_vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]  --> benches/my_benchmark.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fibonacci(n: u64) -> u64 {
[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]   --> src/bin/macros_examples.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let mut v = Vec::new();
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 63 |     let s: Vec<&str> = vec_strs![];
[INFO] [stdout]    |                        ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/my_enums.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Write(String),               // Tuple struct
[INFO] [stdout]    |         ----- ^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = 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] 24 |         Write(()),               // Tuple struct
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/my_structs.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     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: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/my_structs.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     struct Point(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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "1689f9f427086cfbd66139346508a6cdf3e98ac781b9081db73cb7db59b6c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1689f9f427086cfbd66139346508a6cdf3e98ac781b9081db73cb7db59b6c4af", kill_on_drop: false }`
[INFO] [stdout] 1689f9f427086cfbd66139346508a6cdf3e98ac781b9081db73cb7db59b6c4af
