[INFO] cloning repository https://github.com/candrewlee14/hangman-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/candrewlee14/hangman-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcandrewlee14%2Fhangman-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcandrewlee14%2Fhangman-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7595d56d30eafb2aa35dfdc7c39de06b8df753a7 [INFO] checking candrewlee14/hangman-rs/7595d56d30eafb2aa35dfdc7c39de06b8df753a7 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcandrewlee14%2Fhangman-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/candrewlee14/hangman-rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/candrewlee14/hangman-rs [INFO] finished tweaking git repo https://github.com/candrewlee14/hangman-rs [INFO] tweaked toml for git repo https://github.com/candrewlee14/hangman-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/candrewlee14/hangman-rs 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.40 [INFO] [stderr] Downloaded ureq v2.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e55a7e1076cad6714457e6856b744778672e5e8e28a7b6bc46963e1ff138f29 [INFO] running `Command { std: "docker" "start" "-a" "2e55a7e1076cad6714457e6856b744778672e5e8e28a7b6bc46963e1ff138f29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e55a7e1076cad6714457e6856b744778672e5e8e28a7b6bc46963e1ff138f29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e55a7e1076cad6714457e6856b744778672e5e8e28a7b6bc46963e1ff138f29", kill_on_drop: false }` [INFO] [stdout] 2e55a7e1076cad6714457e6856b744778672e5e8e28a7b6bc46963e1ff138f29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34f741451256b8936d88434ada373ebff61404b6a4fe87320d6a44455495c8d3 [INFO] running `Command { std: "docker" "start" "-a" "34f741451256b8936d88434ada373ebff61404b6a4fe87320d6a44455495c8d3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossterm v0.19.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.21.1 [INFO] [stderr] Checking ureq v2.1.0 [INFO] [stderr] Checking hangman-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut res = ureq::get("https://raw.githubusercontent.com/InnovativeInventor/dict4schools/master/safedict_full.txt").call()?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | std::io::copy(&mut res.into_reader(), &mut file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = std::io::copy(&mut res.into_reader(), &mut file); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut res = ureq::get("https://raw.githubusercontent.com/InnovativeInventor/dict4schools/master/safedict_full.txt").call()?; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | std::io::copy(&mut res.into_reader(), &mut file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = std::io::copy(&mut res.into_reader(), &mut file); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/bin/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::{Result, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Error` [INFO] [stdout] --> src/bin/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::{Result, Error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Colorize` and `self` [INFO] [stdout] --> src/bin/main.rs:3:102 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::{ExecutableCommand, QueueableCommand, cursor::{self, MoveTo}, event::KeyCode, style::{self, Colorize, SetForegroundColor, ... [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `poll` [INFO] [stdout] --> src/bin/main.rs:4:30 [INFO] [stdout] | [INFO] [stdout] 4 | use crossterm::event::{read, poll, Event}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Black`, `Colors`, `Green`, and `SetColors` [INFO] [stdout] --> src/bin/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use crossterm::style::{Color::{Green, Black}, Colors, Print, SetColors}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Colorize` and `self` [INFO] [stdout] --> src/bin/main.rs:3:102 [INFO] [stdout] | [INFO] [stdout] 3 | use crossterm::{ExecutableCommand, QueueableCommand, cursor::{self, MoveTo}, event::KeyCode, style::{self, Colorize, SetForegroundColor, ... [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `poll` [INFO] [stdout] --> src/bin/main.rs:4:30 [INFO] [stdout] | [INFO] [stdout] 4 | use crossterm::event::{read, poll, Event}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Black`, `Colors`, `Green`, and `SetColors` [INFO] [stdout] --> src/bin/main.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | use crossterm::style::{Color::{Green, Black}, Colors, Print, SetColors}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut cpu = HangmanCPU::randomize(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut cpu = HangmanCPU::randomize(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.32s [INFO] running `Command { std: "docker" "inspect" "34f741451256b8936d88434ada373ebff61404b6a4fe87320d6a44455495c8d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34f741451256b8936d88434ada373ebff61404b6a4fe87320d6a44455495c8d3", kill_on_drop: false }` [INFO] [stdout] 34f741451256b8936d88434ada373ebff61404b6a4fe87320d6a44455495c8d3