[INFO] cloning repository https://github.com/cheesekon/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheesekon/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 35ef4c25a036cc5449e8c52709fb3b16c96802b5 [INFO] testing cheesekon/rust-practice against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheesekon%2Frust-practice" "/workspace/builds/worker-108/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cheesekon/rust-practice 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/cheesekon/rust-practice [INFO] finished tweaking git repo https://github.com/cheesekon/rust-practice [INFO] tweaked toml for git repo https://github.com/cheesekon/rust-practice written to /workspace/builds/worker-108/source/Cargo.toml [INFO] crate git repo https://github.com/cheesekon/rust-practice 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 59ac98782d1749cf3085135e1c312675859d3227beebc01a004d35fb28f6dfc6 [INFO] running `Command { std: "docker" "start" "-a" "59ac98782d1749cf3085135e1c312675859d3227beebc01a004d35fb28f6dfc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59ac98782d1749cf3085135e1c312675859d3227beebc01a004d35fb28f6dfc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59ac98782d1749cf3085135e1c312675859d3227beebc01a004d35fb28f6dfc6", kill_on_drop: false }` [INFO] [stdout] 59ac98782d1749cf3085135e1c312675859d3227beebc01a004d35fb28f6dfc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] bace1678f6104090ee27c25f7186db61256873dee6030a27015a0436e40406aa [INFO] running `Command { std: "docker" "start" "-a" "bace1678f6104090ee27c25f7186db61256873dee6030a27015a0436e40406aa", kill_on_drop: false }` [INFO] [stderr] Compiling homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/lib.rs:32:3 [INFO] [stdout] | [INFO] [stdout] 32 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/lib.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 33 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/lib.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 34 | Yellow [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "bace1678f6104090ee27c25f7186db61256873dee6030a27015a0436e40406aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bace1678f6104090ee27c25f7186db61256873dee6030a27015a0436e40406aa", kill_on_drop: false }` [INFO] [stdout] bace1678f6104090ee27c25f7186db61256873dee6030a27015a0436e40406aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 591101c65d7e76c58628167da18967dea8092dea08d7bd027efd6fa3909ba093 [INFO] running `Command { std: "docker" "start" "-a" "591101c65d7e76c58628167da18967dea8092dea08d7bd027efd6fa3909ba093", kill_on_drop: false }` [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/lib.rs:32:3 [INFO] [stdout] | [INFO] [stdout] 32 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/lib.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 33 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/lib.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 34 | Yellow [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/lib.rs:32:3 [INFO] [stdout] | [INFO] [stdout] 32 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Green` [INFO] [stdout] --> src/lib.rs:33:3 [INFO] [stdout] | [INFO] [stdout] 33 | Green, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/lib.rs:34:3 [INFO] [stdout] | [INFO] [stdout] 34 | Yellow [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "591101c65d7e76c58628167da18967dea8092dea08d7bd027efd6fa3909ba093", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "591101c65d7e76c58628167da18967dea8092dea08d7bd027efd6fa3909ba093", kill_on_drop: false }` [INFO] [stdout] 591101c65d7e76c58628167da18967dea8092dea08d7bd027efd6fa3909ba093 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] a389a94e887a511b10e33d69ed7481725cce38521d466b83987a98847144f313 [INFO] running `Command { std: "docker" "start" "-a" "a389a94e887a511b10e33d69ed7481725cce38521d466b83987a98847144f313", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stderr] --> src/lib.rs:32:3 [INFO] [stderr] | [INFO] [stderr] 32 | Red, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Green` [INFO] [stderr] --> src/lib.rs:33:3 [INFO] [stderr] | [INFO] [stderr] 33 | Green, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Yellow` [INFO] [stderr] --> src/lib.rs:34:3 [INFO] [stderr] | [INFO] [stderr] 34 | Yellow [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `homework` (lib) generated 3 warnings [INFO] [stderr] warning: `homework` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/homework-8c790f7067599758) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/homework-6e97a41ddb38eff3) [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] [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] [stderr] Doc-tests homework [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" "a389a94e887a511b10e33d69ed7481725cce38521d466b83987a98847144f313", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a389a94e887a511b10e33d69ed7481725cce38521d466b83987a98847144f313", kill_on_drop: false }` [INFO] [stdout] a389a94e887a511b10e33d69ed7481725cce38521d466b83987a98847144f313