[INFO] cloning repository https://github.com/marceljay/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marceljay/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 41bbafc861465da0609c55a3ab1ba5cec3e2f14e [INFO] testing marceljay/rust_playground against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarceljay%2Frust_playground" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marceljay/rust_playground on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/marceljay/rust_playground [INFO] finished tweaking git repo https://github.com/marceljay/rust_playground [INFO] tweaked toml for git repo https://github.com/marceljay/rust_playground written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/marceljay/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a2fed2a0d7330084b942e0400758c90c3ada136170efb6c82133d735cb21ef9 [INFO] running `Command { std: "docker" "start" "-a" "3a2fed2a0d7330084b942e0400758c90c3ada136170efb6c82133d735cb21ef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a2fed2a0d7330084b942e0400758c90c3ada136170efb6c82133d735cb21ef9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a2fed2a0d7330084b942e0400758c90c3ada136170efb6c82133d735cb21ef9", kill_on_drop: false }` [INFO] [stdout] 3a2fed2a0d7330084b942e0400758c90c3ada136170efb6c82133d735cb21ef9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9398ff9b354bde0604ee426acd458c06074e92a6cfbb290a2e1c2c81834bf820 [INFO] running `Command { std: "docker" "start" "-a" "9398ff9b354bde0604ee426acd458c06074e92a6cfbb290a2e1c2c81834bf820", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro) [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive) [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io; // not in the prelude [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.71s [INFO] running `Command { std: "docker" "inspect" "9398ff9b354bde0604ee426acd458c06074e92a6cfbb290a2e1c2c81834bf820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9398ff9b354bde0604ee426acd458c06074e92a6cfbb290a2e1c2c81834bf820", kill_on_drop: false }` [INFO] [stdout] 9398ff9b354bde0604ee426acd458c06074e92a6cfbb290a2e1c2c81834bf820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 005bdc6571d280cc6a698e49213ce6622dbef07dcd5be49e6ccbcf83de8e038e [INFO] running `Command { std: "docker" "start" "-a" "005bdc6571d280cc6a698e49213ce6622dbef07dcd5be49e6ccbcf83de8e038e", kill_on_drop: false }` [INFO] [stderr] Compiling learning_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io; // not in the prelude [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "005bdc6571d280cc6a698e49213ce6622dbef07dcd5be49e6ccbcf83de8e038e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005bdc6571d280cc6a698e49213ce6622dbef07dcd5be49e6ccbcf83de8e038e", kill_on_drop: false }` [INFO] [stdout] 005bdc6571d280cc6a698e49213ce6622dbef07dcd5be49e6ccbcf83de8e038e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7e49e2bbc6f8bfe64960f01aab008ed9f37ffca917891f9b5bd1442cf44c5b17 [INFO] running `Command { std: "docker" "start" "-a" "7e49e2bbc6f8bfe64960f01aab008ed9f37ffca917891f9b5bd1442cf44c5b17", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io; // not in the prelude [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `learning_rust` (bin "learning_rust" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/learning_rust-7805e7b1e15656ce) [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" "7e49e2bbc6f8bfe64960f01aab008ed9f37ffca917891f9b5bd1442cf44c5b17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e49e2bbc6f8bfe64960f01aab008ed9f37ffca917891f9b5bd1442cf44c5b17", kill_on_drop: false }` [INFO] [stdout] 7e49e2bbc6f8bfe64960f01aab008ed9f37ffca917891f9b5bd1442cf44c5b17