[INFO] cloning repository https://github.com/Marrwan/rust_essentials [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Marrwan/rust_essentials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarrwan%2Frust_essentials", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarrwan%2Frust_essentials'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f48a11e6bfcccbad8ad6c1aaeafaf6778a3286fe [INFO] checking Marrwan/rust_essentials against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarrwan%2Frust_essentials" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Marrwan/rust_essentials [INFO] finished tweaking git repo https://github.com/Marrwan/rust_essentials [INFO] tweaked toml for git repo https://github.com/Marrwan/rust_essentials written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Marrwan/rust_essentials on toolchain 95813608313bff49cfc1afc393a946a3c085b772 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Marrwan/rust_essentials 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" "+95813608313bff49cfc1afc393a946a3c085b772" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17e411a6d1ce3c9f900a3087c3925b924d3dc2b0722c8d683cfb60a938d8c7cf [INFO] running `Command { std: "docker" "start" "-a" "17e411a6d1ce3c9f900a3087c3925b924d3dc2b0722c8d683cfb60a938d8c7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17e411a6d1ce3c9f900a3087c3925b924d3dc2b0722c8d683cfb60a938d8c7cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17e411a6d1ce3c9f900a3087c3925b924d3dc2b0722c8d683cfb60a938d8c7cf", kill_on_drop: false }` [INFO] [stdout] 17e411a6d1ce3c9f900a3087c3925b924d3dc2b0722c8d683cfb60a938d8c7cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6709d8f937650b2d2d86521d0708e4f2ce7503c1ddb3222702abdba1a107062a [INFO] running `Command { std: "docker" "start" "-a" "6709d8f937650b2d2d86521d0708e4f2ce7503c1ddb3222702abdba1a107062a", kill_on_drop: false }` [INFO] [stderr] Checking dil v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::string` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::string; [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: `std::string` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::string; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `age` is never read [INFO] [stdout] --> src/vars.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | let mut age = 25; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s5` [INFO] [stdout] --> src/strings.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let s5 = s3 + &s4; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s5` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `age` is never read [INFO] [stdout] --> src/vars.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | let mut age = 25; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s5` [INFO] [stdout] --> src/strings.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let s5 = s3 + &s4; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s5` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_run` is never used [INFO] [stdout] --> src/print.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn another_run(){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vars.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/types.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/strings.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/tuples.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/arrays.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vectors.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/conditionals.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/loops.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/funtions.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greeting` is never used [INFO] [stdout] --> src/funtions.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn greeting(greeting: &str, name: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> src/funtions.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn add (x: i32, y: i32) -> i32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/structs.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ColorTuple` is never constructed [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct ColorTuple(u8, u8, u8); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/structs.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/structs.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Person { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 18 | fn new(first: &str, last: &str) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn full_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn set_last_name(&mut self, last: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn name(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn set_first_name(&mut self, first: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn last_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn to_tuple(self) -> (String,String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/structs.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Movement` is never used [INFO] [stdout] --> src/enums.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Movement{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stdout] warning: function `move_avatar` is never used [INFO] [stdout] --> src/enums.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn move_avatar(m: Movement){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/enums.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `another_run` is never used [INFO] [stdout] --> src/print.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn another_run(){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vars.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/types.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/strings.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/tuples.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/arrays.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vectors.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/conditionals.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/loops.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/funtions.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greeting` is never used [INFO] [stdout] --> src/funtions.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn greeting(greeting: &str, name: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> src/funtions.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn add (x: i32, y: i32) -> i32{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/structs.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Color { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ColorTuple` is never constructed [INFO] [stdout] --> src/structs.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct ColorTuple(u8, u8, u8); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Person` is never constructed [INFO] [stdout] --> src/structs.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/structs.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Person { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 18 | fn new(first: &str, last: &str) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn full_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn set_last_name(&mut self, last: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn name(&self) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn set_first_name(&mut self, first: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn last_name(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 40 | fn to_tuple(self) -> (String,String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/structs.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Movement` is never used [INFO] [stdout] --> src/enums.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum Movement{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_avatar` is never used [INFO] [stdout] --> src/enums.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn move_avatar(m: Movement){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/enums.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6709d8f937650b2d2d86521d0708e4f2ce7503c1ddb3222702abdba1a107062a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6709d8f937650b2d2d86521d0708e4f2ce7503c1ddb3222702abdba1a107062a", kill_on_drop: false }` [INFO] [stdout] 6709d8f937650b2d2d86521d0708e4f2ce7503c1ddb3222702abdba1a107062a