[INFO] cloning repository https://github.com/beerappabvgp/rust-projects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beerappabvgp/rust-projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeerappabvgp%2Frust-projects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeerappabvgp%2Frust-projects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0969525958f8721c6a06bf2377c02774f098aec1
[INFO] checking beerappabvgp/rust-projects against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeerappabvgp%2Frust-projects" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beerappabvgp/rust-projects
[INFO] finished tweaking git repo https://github.com/beerappabvgp/rust-projects
[INFO] tweaked toml for git repo https://github.com/beerappabvgp/rust-projects written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beerappabvgp/rust-projects on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beerappabvgp/rust-projects 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking beerappabvgp/rust-projects against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeerappabvgp%2Frust-projects" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beerappabvgp/rust-projects
[INFO] finished tweaking git repo https://github.com/beerappabvgp/rust-projects
[INFO] tweaked toml for git repo https://github.com/beerappabvgp/rust-projects written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beerappabvgp/rust-projects on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beerappabvgp/rust-projects 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc1a072c7d6555a89edb7057e29f1f6cc78ebef50e3f0d889d7d5685adc63337
[INFO] running `Command { std: "docker" "start" "-a" "dc1a072c7d6555a89edb7057e29f1f6cc78ebef50e3f0d889d7d5685adc63337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1a072c7d6555a89edb7057e29f1f6cc78ebef50e3f0d889d7d5685adc63337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1a072c7d6555a89edb7057e29f1f6cc78ebef50e3f0d889d7d5685adc63337", kill_on_drop: false }`
[INFO] [stdout] dc1a072c7d6555a89edb7057e29f1f6cc78ebef50e3f0d889d7d5685adc63337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 813cfb231ffaa6c2f021ff595f4337a925550a81f272853104c8c9b1566d4623
[INFO] running `Command { std: "docker" "start" "-a" "813cfb231ffaa6c2f021ff595f4337a925550a81f272853104c8c9b1566d4623", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking backyard v0.1.0 (/opt/rustwide/workdir/backyard)
[INFO] [stderr]     Checking enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stderr]     Checking methods v0.1.0 (/opt/rustwide/workdir/methods)
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]     Checking conditionals v0.1.0 (/opt/rustwide/workdir/conditionals)
[INFO] [stderr]     Checking datatypes v0.1.0 (/opt/rustwide/workdir/datatypes)
[INFO] [stderr]     Checking structures v0.1.0 (/opt/rustwide/workdir/structures)
[INFO] [stderr]     Checking traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]     Checking loops v0.1.0 (/opt/rustwide/workdir/loops)
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]  --> errors/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let greeting_file = match greeting_from_file {
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]  --> errors/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let greeting_file = match greeting_from_file {
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `er`
[INFO] [stdout]   --> errors/src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 Err(er) => panic!("problem creating file!")
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_er`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello_file`
[INFO] [stdout]   --> errors/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let hello_file = File::open("name.txt").expect("Could not find the file !!!!!");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hello_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `er`
[INFO] [stdout]   --> errors/src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |                 Err(er) => panic!("problem creating file!")
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_er`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hello_file`
[INFO] [stdout]   --> errors/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let hello_file = File::open("name.txt").expect("Could not find the file !!!!!");
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hello_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ffi::c_long` and `fmt::Display`
[INFO] [stdout]  --> datatypes/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi::c_long, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> conditionals/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> methods/src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let square = Rectangle::square(4);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]   --> enums/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> enums/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V4(u8,u8,u8,u8),
[INFO] [stdout]   |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 3 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 3 +     V4((),(),(),()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> enums/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddrKind` 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] 4 -     V6(String),
[INFO] [stdout] 4 +     V6(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> enums/src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     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] 14 -     Write(String),
[INFO] [stdout] 14 +     Write(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> restaurant/src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let order1 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> restaurant/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let order2 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 22 |         pub toast: String,
[INFO] [stdout] 23 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]   --> enums/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout]  9 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Move {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     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: variants `Penny`, `Nickel`, and `Quarter` are never constructed
[INFO] [stdout]   --> enums/src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 47 |     Penny,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 48 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 49 |     Dime,
[INFO] [stdout] 50 |     Quarter,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stderr]     Checking generics v0.1.0 (/opt/rustwide/workdir/generics)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> conditionals/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> restaurant/src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let order1 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> restaurant/src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let order2 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 22 |         pub toast: String,
[INFO] [stdout] 23 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stderr]     Checking borrowing v0.1.0 (/opt/rustwide/workdir/borrowing)
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]   --> enums/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> enums/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V4(u8,u8,u8,u8),
[INFO] [stdout]   |     -- ^^ ^^ ^^ ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 3 -     V4(u8,u8,u8,u8),
[INFO] [stdout] 3 +     V4((),(),(),()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> enums/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddrKind` 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] 4 -     V6(String),
[INFO] [stdout] 4 +     V6(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> enums/src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     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] 14 -     Write(String),
[INFO] [stdout] 14 +     Write(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]   --> enums/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout]  9 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Move {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     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: variants `Penny`, `Nickel`, and `Quarter` are never constructed
[INFO] [stdout]   --> enums/src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 47 |     Penny,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 48 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 49 |     Dime,
[INFO] [stdout] 50 |     Quarter,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir/hashmap)
[INFO] [stderr]     Checking slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stderr]     Checking rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> strings/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c = s1.to_string();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let firstName = String::from("Anil");
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `first_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let lastName : String = String::from("Beerappa");
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `last_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fullName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let fullName : String = firstName + &lastName;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `full_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> collections/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let does_not_exist = v.get(100);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> collections/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let row = vec![SpreadSheetCell::Int(3) , SpreadSheetCell::Float(4.56) , SpreadSheetCell::Text(String::from("hello"))];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 2 -     Int(i32),
[INFO] [stdout] 2 +     Int(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Float(f64),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 -     Float(f64),
[INFO] [stdout] 3 +     Float(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Text(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 -     Text(String),
[INFO] [stdout] 4 +     Text(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> generics/src/main.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> generics/src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Result<T,E> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stdout] error: macro expansion ignores `{` and any tokens following
[INFO] [stdout]   --> /rustc/9228062c11d321a3ea08123f57e47533a3c88b00/library/std/src/macros.rs:145:22
[INFO] [stdout]    |
[INFO] [stdout]   ::: borrowing/src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | println!("{s}");
[INFO] [stdout]    | --------------- caused by the macro expansion here
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `square`
[INFO] [stdout]   --> methods/src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let square = Rectangle::square(4);
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_square`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `does_not_exist`
[INFO] [stdout]   --> collections/src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let does_not_exist = v.get(100);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> collections/src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let row = vec![SpreadSheetCell::Int(3) , SpreadSheetCell::Float(4.56) , SpreadSheetCell::Text(String::from("hello"))];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 2 -     Int(i32),
[INFO] [stdout] 2 +     Int(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Float(f64),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 -     Float(f64),
[INFO] [stdout] 3 +     Float(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Text(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 -     Text(String),
[INFO] [stdout] 4 +     Text(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ffi::c_long` and `fmt::Display`
[INFO] [stdout]  --> datatypes/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi::c_long, fmt::Display};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> strings/src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let c = s1.to_string();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `firstName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let firstName = String::from("Anil");
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `first_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let lastName : String = String::from("Beerappa");
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `last_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fullName` should have a snake case name
[INFO] [stdout]   --> strings/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let fullName : String = firstName + &lastName;
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `full_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> functions/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `borrowing` (bin "borrowing" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Option` is never used
[INFO] [stdout]   --> generics/src/main.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> generics/src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Result<T,E> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> functions/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro expansion ignores `{` and any tokens following
[INFO] [stdout]   --> /rustc/9228062c11d321a3ea08123f57e47533a3c88b00/library/std/src/macros.rs:145:22
[INFO] [stdout]    |
[INFO] [stdout]   ::: borrowing/src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | println!("{s}");
[INFO] [stdout]    | --------------- caused by the macro expansion here
[INFO] [stdout]    |
[INFO] [stdout]    = note: the usage of `println!` is likely invalid in item context
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `borrowing` (bin "borrowing") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "813cfb231ffaa6c2f021ff595f4337a925550a81f272853104c8c9b1566d4623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813cfb231ffaa6c2f021ff595f4337a925550a81f272853104c8c9b1566d4623", kill_on_drop: false }`
[INFO] [stdout] 813cfb231ffaa6c2f021ff595f4337a925550a81f272853104c8c9b1566d4623