[INFO] cloning repository https://github.com/EmilHernvall/rust-course-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmilHernvall/rust-course-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilHernvall%2Frust-course-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilHernvall%2Frust-course-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a15e707e144956c11aa435f67964c36f013b7bfa
[INFO] checking EmilHernvall/rust-course-2022 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmilHernvall%2Frust-course-2022" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EmilHernvall/rust-course-2022
[INFO] finished tweaking git repo https://github.com/EmilHernvall/rust-course-2022
[INFO] tweaked toml for git repo https://github.com/EmilHernvall/rust-course-2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EmilHernvall/rust-course-2022 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EmilHernvall/rust-course-2022 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded apricity v0.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded version-compare v0.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47b2baa06f4d2f73804b8bc6ae26623e0c6223cd6e316f11b61089dcf0fc7ee5
[INFO] running `Command { std: "docker" "start" "-a" "47b2baa06f4d2f73804b8bc6ae26623e0c6223cd6e316f11b61089dcf0fc7ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47b2baa06f4d2f73804b8bc6ae26623e0c6223cd6e316f11b61089dcf0fc7ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b2baa06f4d2f73804b8bc6ae26623e0c6223cd6e316f11b61089dcf0fc7ee5", kill_on_drop: false }`
[INFO] [stdout] 47b2baa06f4d2f73804b8bc6ae26623e0c6223cd6e316f11b61089dcf0fc7ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a343ab074ee28c6c561b8894fa1b297827e17325d2619f4de48e8c7d730341
[INFO] running `Command { std: "docker" "start" "-a" "49a343ab074ee28c6c561b8894fa1b297827e17325d2619f4de48e8c7d730341", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]     Checking ttf-noto-sans v0.1.1
[INFO] [stderr]     Checking line_drawing v1.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking apricity v0.1.0
[INFO] [stderr]     Checking rustdemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CityData`
[INFO] [stdout]  --> src/bin/ex4.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rustdemo::{load_cities, City, CityData};
[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 imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/bin/ex7.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, RwLock};
[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: `CityData`
[INFO] [stdout]  --> src/bin/ex3.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustdemo::{load_cities, City, CityData};
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/ex6.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut sockets = Arc::new(RwLock::new(Vec::new()));
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/ex9.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Write, Read};
[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 imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/bin/ex9.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, RwLock};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/ex9.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Write, Read};
[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 imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/bin/ex9.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, RwLock};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CityData`
[INFO] [stdout]  --> src/bin/ex3.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rustdemo::{load_cities, City, CityData};
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ex9.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     let mut client = clients.get_mut(&socket_id).unwrap();
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/ex9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut socket = match socket {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CityData`
[INFO] [stdout]  --> src/bin/ex4.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rustdemo::{load_cities, City, CityData};
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ex7.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     for (id, mut socket) in &mut sockets {
[INFO] [stdout]    |                              ----^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ex9.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     let mut client = clients.get_mut(&socket_id).unwrap();
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/ex9.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut socket = match socket {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CityData`
[INFO] [stdout]  --> src/bin/ex2.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustdemo::{City, CityData};
[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 imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/bin/ex7.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{Arc, RwLock};
[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: `ptr`
[INFO] [stdout]  --> src/bin/ex10.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashMap, ptr};
[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: `ptr`
[INFO] [stdout]  --> src/bin/ex10.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashMap, ptr};
[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: `CityData`
[INFO] [stdout]  --> src/bin/ex2.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rustdemo::{City, CityData};
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/ex7.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |                     for (id, mut socket) in &mut sockets {
[INFO] [stdout]    |                              ----^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/bin/ex5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ptr};
[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: `Coordinate`
[INFO] [stdout]  --> src/bin/ex5.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use apricity::{Coordinate, Point, gui::SimpleWindow};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_name`
[INFO] [stdout]    --> src/bin/ex10.rs:157:42
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 ServerMessage::Welcome { server_name } => {},
[INFO] [stdout]     |                                          ^^^^^^^^^^^ help: try ignoring the field: `server_name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `largest_cities`
[INFO] [stdout]    --> src/bin/ex10.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let largest_cities: Vec<&City> = cities_by_country.values()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_largest_cities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/bin/ex5.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ptr};
[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: `Coordinate`
[INFO] [stdout]  --> src/bin/ex5.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use apricity::{Coordinate, Point, gui::SimpleWindow};
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_name`
[INFO] [stdout]    --> src/bin/ex10.rs:157:42
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 ServerMessage::Welcome { server_name } => {},
[INFO] [stdout]     |                                          ^^^^^^^^^^^ help: try ignoring the field: `server_name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `largest_cities`
[INFO] [stdout]    --> src/bin/ex10.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let largest_cities: Vec<&City> = cities_by_country.values()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_largest_cities`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/ex6.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut sockets = Arc::new(RwLock::new(Vec::new()));
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "49a343ab074ee28c6c561b8894fa1b297827e17325d2619f4de48e8c7d730341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a343ab074ee28c6c561b8894fa1b297827e17325d2619f4de48e8c7d730341", kill_on_drop: false }`
[INFO] [stdout] 49a343ab074ee28c6c561b8894fa1b297827e17325d2619f4de48e8c7d730341
