[INFO] cloning repository https://github.com/27factorial/rust_code_club [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/27factorial/rust_code_club" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27factorial%2Frust_code_club", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27factorial%2Frust_code_club'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34bb236905e579a3f8491d10944f67b5b8ad816e [INFO] testing 27factorial/rust_code_club against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F27factorial%2Frust_code_club" "/workspace/builds/worker-66/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/27factorial/rust_code_club 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/27factorial/rust_code_club [INFO] finished tweaking git repo https://github.com/27factorial/rust_code_club [INFO] tweaked toml for git repo https://github.com/27factorial/rust_code_club written to /workspace/builds/worker-66/source/Cargo.toml [INFO] crate git repo https://github.com/27factorial/rust_code_club 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 2a2807a9210eb1c1a5871cfa7b6d6e0273d4391d95c5b4a290bc52ddadce30cb [INFO] running `Command { std: "docker" "start" "-a" "2a2807a9210eb1c1a5871cfa7b6d6e0273d4391d95c5b4a290bc52ddadce30cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a2807a9210eb1c1a5871cfa7b6d6e0273d4391d95c5b4a290bc52ddadce30cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a2807a9210eb1c1a5871cfa7b6d6e0273d4391d95c5b4a290bc52ddadce30cb", kill_on_drop: false }` [INFO] [stdout] 2a2807a9210eb1c1a5871cfa7b6d6e0273d4391d95c5b4a290bc52ddadce30cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 8f26f11ca39b5013726aef40e330ddeb7a7a6ce5b1a8a601a783cf68532b6305 [INFO] running `Command { std: "docker" "start" "-a" "8f26f11ca39b5013726aef40e330ddeb7a7a6ce5b1a8a601a783cf68532b6305", kill_on_drop: false }` [INFO] [stderr] Compiling variables_and_functions v0.1.0 (/opt/rustwide/workdir/variables_and_functions) [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stderr] Compiling data_types v0.1.0 (/opt/rustwide/workdir/data_types) [INFO] [stderr] Compiling borrowing v0.1.0 (/opt/rustwide/workdir/borrowing) [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> data_types/src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let var: i32 = 42; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `esstzet` [INFO] [stdout] --> data_types/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let esstzet: char = 'ß'; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_esstzet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_item` [INFO] [stdout] --> data_types/src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let first_item: i32 = array[0]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "8f26f11ca39b5013726aef40e330ddeb7a7a6ce5b1a8a601a783cf68532b6305", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f26f11ca39b5013726aef40e330ddeb7a7a6ce5b1a8a601a783cf68532b6305", kill_on_drop: false }` [INFO] [stdout] 8f26f11ca39b5013726aef40e330ddeb7a7a6ce5b1a8a601a783cf68532b6305 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 646f0a6fe7e2ec1f78ba0c4e471ae69085efb3849d6fbed007c1a0dc0278c237 [INFO] running `Command { std: "docker" "start" "-a" "646f0a6fe7e2ec1f78ba0c4e471ae69085efb3849d6fbed007c1a0dc0278c237", kill_on_drop: false }` [INFO] [stderr] Compiling variables_and_functions v0.1.0 (/opt/rustwide/workdir/variables_and_functions) [INFO] [stderr] Compiling data_types v0.1.0 (/opt/rustwide/workdir/data_types) [INFO] [stderr] Compiling borrowing v0.1.0 (/opt/rustwide/workdir/borrowing) [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stdout] warning: unused variable: `var` [INFO] [stdout] --> data_types/src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let var: i32 = 42; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `esstzet` [INFO] [stdout] --> data_types/src/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let esstzet: char = 'ß'; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_esstzet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_item` [INFO] [stdout] --> data_types/src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let first_item: i32 = array[0]; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "646f0a6fe7e2ec1f78ba0c4e471ae69085efb3849d6fbed007c1a0dc0278c237", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "646f0a6fe7e2ec1f78ba0c4e471ae69085efb3849d6fbed007c1a0dc0278c237", kill_on_drop: false }` [INFO] [stdout] 646f0a6fe7e2ec1f78ba0c4e471ae69085efb3849d6fbed007c1a0dc0278c237 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 907edb5f62f21f5b62366d82eefefcea1de9d84add07b5ffadecba8a02523e41 [INFO] running `Command { std: "docker" "start" "-a" "907edb5f62f21f5b62366d82eefefcea1de9d84add07b5ffadecba8a02523e41", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `var` [INFO] [stderr] --> data_types/src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let var: i32 = 42; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_var` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `esstzet` [INFO] [stderr] --> data_types/src/main.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let esstzet: char = 'ß'; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_esstzet` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `first_item` [INFO] [stderr] --> data_types/src/main.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let first_item: i32 = array[0]; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_item` [INFO] [stderr] [INFO] [stderr] warning: `data_types` (bin "data_types" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/borrowing-fb5d5f7f9ad966cc) [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] Running unittests (/opt/rustwide/target/debug/deps/data_types-5d535ecda46d8bf7) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_world-f7dbf08bda581ba2) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/variables_and_functions-2e308c9e1232b817) [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] [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" "907edb5f62f21f5b62366d82eefefcea1de9d84add07b5ffadecba8a02523e41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "907edb5f62f21f5b62366d82eefefcea1de9d84add07b5ffadecba8a02523e41", kill_on_drop: false }` [INFO] [stdout] 907edb5f62f21f5b62366d82eefefcea1de9d84add07b5ffadecba8a02523e41