[INFO] cloning repository https://github.com/gsfellis/rust-hangman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsfellis/rust-hangman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsfellis%2Frust-hangman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsfellis%2Frust-hangman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dd0ea30ca54130e7209d887eac2c7cc5d8861416 [INFO] testing gsfellis/rust-hangman against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsfellis%2Frust-hangman" "/workspace/builds/worker-84/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gsfellis/rust-hangman on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gsfellis/rust-hangman [INFO] finished tweaking git repo https://github.com/gsfellis/rust-hangman [INFO] tweaked toml for git repo https://github.com/gsfellis/rust-hangman written to /workspace/builds/worker-84/source/Cargo.toml [INFO] crate git repo https://github.com/gsfellis/rust-hangman already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a707dbe058bd09c9fafcabd3d991e14576384f51fe2f2a2767649cd1d568f35 [INFO] running `Command { std: "docker" "start" "-a" "6a707dbe058bd09c9fafcabd3d991e14576384f51fe2f2a2767649cd1d568f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a707dbe058bd09c9fafcabd3d991e14576384f51fe2f2a2767649cd1d568f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a707dbe058bd09c9fafcabd3d991e14576384f51fe2f2a2767649cd1d568f35", kill_on_drop: false }` [INFO] [stdout] 6a707dbe058bd09c9fafcabd3d991e14576384f51fe2f2a2767649cd1d568f35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc6f4b2363dd2ce1fbbd4aae37900d52cc2f92654d474f8df9aaf5f1061fb090 [INFO] running `Command { std: "docker" "start" "-a" "cc6f4b2363dd2ce1fbbd4aae37900d52cc2f92654d474f8df9aaf5f1061fb090", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rust-hangman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess` [INFO] [stdout] --> src/main.rs:79:28 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut gallow = build_gallow(); [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: function is never used: `update_word` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.00s [INFO] running `Command { std: "docker" "inspect" "cc6f4b2363dd2ce1fbbd4aae37900d52cc2f92654d474f8df9aaf5f1061fb090", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc6f4b2363dd2ce1fbbd4aae37900d52cc2f92654d474f8df9aaf5f1061fb090", kill_on_drop: false }` [INFO] [stdout] cc6f4b2363dd2ce1fbbd4aae37900d52cc2f92654d474f8df9aaf5f1061fb090 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8201c8bb5cba04ba825352c2c942af4443d3bdf64d41b5e5c863c49dfaf3bbc5 [INFO] running `Command { std: "docker" "start" "-a" "8201c8bb5cba04ba825352c2c942af4443d3bdf64d41b5e5c863c49dfaf3bbc5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-hangman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `guess` [INFO] [stdout] --> src/main.rs:79:28 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | let mut gallow = build_gallow(); [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: function is never used: `update_word` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.09s [INFO] running `Command { std: "docker" "inspect" "8201c8bb5cba04ba825352c2c942af4443d3bdf64d41b5e5c863c49dfaf3bbc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8201c8bb5cba04ba825352c2c942af4443d3bdf64d41b5e5c863c49dfaf3bbc5", kill_on_drop: false }` [INFO] [stdout] 8201c8bb5cba04ba825352c2c942af4443d3bdf64d41b5e5c863c49dfaf3bbc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3224e63342b88c7e0539fedc6761ef6a9ef5fec5eac74d3f1e31536e8ac3f6b4 [INFO] running `Command { std: "docker" "start" "-a" "3224e63342b88c7e0539fedc6761ef6a9ef5fec5eac74d3f1e31536e8ac3f6b4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `word` [INFO] [stderr] --> src/main.rs:79:16 [INFO] [stderr] | [INFO] [stderr] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `guess` [INFO] [stderr] --> src/main.rs:79:28 [INFO] [stderr] | [INFO] [stderr] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_guess` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut gallow = build_gallow(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `update_word` [INFO] [stderr] --> src/main.rs:79:4 [INFO] [stderr] | [INFO] [stderr] 79 | fn update_word(word: &str, guess: &char) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust-hangman` (bin "rust-hangman" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_hangman-9b4e1a1303d44d33) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3224e63342b88c7e0539fedc6761ef6a9ef5fec5eac74d3f1e31536e8ac3f6b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3224e63342b88c7e0539fedc6761ef6a9ef5fec5eac74d3f1e31536e8ac3f6b4", kill_on_drop: false }` [INFO] [stdout] 3224e63342b88c7e0539fedc6761ef6a9ef5fec5eac74d3f1e31536e8ac3f6b4