[INFO] cloning repository https://github.com/MaxLuchs/guessing_game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxLuchs/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxLuchs%2Fguessing_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxLuchs%2Fguessing_game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5069231d1a3ebcff2322666508eb7fe87103839f [INFO] checking MaxLuchs/guessing_game against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxLuchs%2Fguessing_game" "/workspace/builds/worker-68/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MaxLuchs/guessing_game on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MaxLuchs/guessing_game [INFO] finished tweaking git repo https://github.com/MaxLuchs/guessing_game [INFO] tweaked toml for git repo https://github.com/MaxLuchs/guessing_game written to /workspace/builds/worker-68/source/Cargo.toml [INFO] crate git repo https://github.com/MaxLuchs/guessing_game already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f5c2fdd9207694d710637aead213c354f77542e8b0817def3263bdeac17f20b2 [INFO] running `Command { std: "docker" "start" "-a" "f5c2fdd9207694d710637aead213c354f77542e8b0817def3263bdeac17f20b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f5c2fdd9207694d710637aead213c354f77542e8b0817def3263bdeac17f20b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5c2fdd9207694d710637aead213c354f77542e8b0817def3263bdeac17f20b2", kill_on_drop: false }` [INFO] [stdout] f5c2fdd9207694d710637aead213c354f77542e8b0817def3263bdeac17f20b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86458eff3b63ba3779edd4c4cd5cba1c309c8b326a6eed7d2e392636053d1ed [INFO] running `Command { std: "docker" "start" "-a" "b86458eff3b63ba3779edd4c4cd5cba1c309c8b326a6eed7d2e392636053d1ed", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking tramp v0.3.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking guess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/recursion.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/recursion.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | / buffer.trim().parse::().map(|number| { [INFO] [stdout] 12 | | if number == secret { [INFO] [stdout] 13 | | println!("Match ... Game over"); [INFO] [stdout] 14 | | } else if number < secret { [INFO] [stdout] ... | [INFO] [stdout] 23 | | guess_secret(secret); [INFO] [stdout] 24 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/loop.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | if let Err(error) = result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/loop.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | if let Err(error) = result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/recursion.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/recursion.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | / buffer.trim().parse::().map(|number| { [INFO] [stdout] 12 | | if number == secret { [INFO] [stdout] 13 | | println!("Match ... Game over"); [INFO] [stdout] 14 | | } else if number < secret { [INFO] [stdout] ... | [INFO] [stdout] 23 | | guess_secret(secret); [INFO] [stdout] 24 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/loop.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/loop.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | stdin.read_line(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 10s [INFO] running `Command { std: "docker" "inspect" "b86458eff3b63ba3779edd4c4cd5cba1c309c8b326a6eed7d2e392636053d1ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86458eff3b63ba3779edd4c4cd5cba1c309c8b326a6eed7d2e392636053d1ed", kill_on_drop: false }` [INFO] [stdout] b86458eff3b63ba3779edd4c4cd5cba1c309c8b326a6eed7d2e392636053d1ed