[INFO] cloning repository https://github.com/ammarjussa/rust_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/ammarjussa/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarjussa%2Frust_guessing_game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarjussa%2Frust_guessing_game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a2ffaf391bc3584bd2e5d7deffdac164f234657 [INFO] testing ammarjussa/rust_guessing_game against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammarjussa%2Frust_guessing_game" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ammarjussa/rust_guessing_game 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/ammarjussa/rust_guessing_game [INFO] finished tweaking git repo https://github.com/ammarjussa/rust_guessing_game [INFO] tweaked toml for git repo https://github.com/ammarjussa/rust_guessing_game written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/ammarjussa/rust_guessing_game 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 36cc126b1a66f471e0e414bddb8a6f2763d685f946c15225c4aff472ea9d9add [INFO] running `Command { std: "docker" "start" "-a" "36cc126b1a66f471e0e414bddb8a6f2763d685f946c15225c4aff472ea9d9add", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36cc126b1a66f471e0e414bddb8a6f2763d685f946c15225c4aff472ea9d9add", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36cc126b1a66f471e0e414bddb8a6f2763d685f946c15225c4aff472ea9d9add", kill_on_drop: false }` [INFO] [stdout] 36cc126b1a66f471e0e414bddb8a6f2763d685f946c15225c4aff472ea9d9add [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 984f99abf83558a2be3f4c82729117f94041b2c2f86768939b8b7b43001a2e8f [INFO] running `Command { std: "docker" "start" "-a" "984f99abf83558a2be3f4c82729117f94041b2c2f86768939b8b7b43001a2e8f", kill_on_drop: false }` [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rust_guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/guess.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `correct_ans` [INFO] [stdout] --> src/guess.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | let mut correct_ans = rand::thread_rng(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_ans` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/guess.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | let mut correct_ans = rand::thread_rng(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.47s [INFO] running `Command { std: "docker" "inspect" "984f99abf83558a2be3f4c82729117f94041b2c2f86768939b8b7b43001a2e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "984f99abf83558a2be3f4c82729117f94041b2c2f86768939b8b7b43001a2e8f", kill_on_drop: false }` [INFO] [stdout] 984f99abf83558a2be3f4c82729117f94041b2c2f86768939b8b7b43001a2e8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d61b378cca08a97e748a439983387138271f5da0f227148cce946eb7dc64bad1 [INFO] running `Command { std: "docker" "start" "-a" "d61b378cca08a97e748a439983387138271f5da0f227148cce946eb7dc64bad1", kill_on_drop: false }` [INFO] [stderr] Compiling rust_guessing_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/guess.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `correct_ans` [INFO] [stdout] --> src/guess.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | let mut correct_ans = rand::thread_rng(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_ans` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/guess.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | let mut correct_ans = rand::thread_rng(); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "d61b378cca08a97e748a439983387138271f5da0f227148cce946eb7dc64bad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d61b378cca08a97e748a439983387138271f5da0f227148cce946eb7dc64bad1", kill_on_drop: false }` [INFO] [stdout] d61b378cca08a97e748a439983387138271f5da0f227148cce946eb7dc64bad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9826a15a46038c65b9ddc8fab2a45ccde885b7034705091429a1d2ee2f92b490 [INFO] running `Command { std: "docker" "start" "-a" "9826a15a46038c65b9ddc8fab2a45ccde885b7034705091429a1d2ee2f92b490", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/guess.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `correct_ans` [INFO] [stderr] --> src/guess.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_ans = rand::thread_rng(); [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_ans` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/guess.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | let mut correct_ans = rand::thread_rng(); [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: `rust_guessing_game` (bin "rust_guessing_game" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_guessing_game-ad0ae23345dd43ef) [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" "9826a15a46038c65b9ddc8fab2a45ccde885b7034705091429a1d2ee2f92b490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9826a15a46038c65b9ddc8fab2a45ccde885b7034705091429a1d2ee2f92b490", kill_on_drop: false }` [INFO] [stdout] 9826a15a46038c65b9ddc8fab2a45ccde885b7034705091429a1d2ee2f92b490