[INFO] cloning repository https://github.com/swissmanu/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/swissmanu/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswissmanu%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswissmanu%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9fa1a2ea024e3e839f42a1d858c807eefa2e623f [INFO] testing swissmanu/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%2Fswissmanu%2Frust-playground" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/swissmanu/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/swissmanu/rust-playground [INFO] finished tweaking git repo https://github.com/swissmanu/rust-playground [INFO] tweaked toml for git repo https://github.com/swissmanu/rust-playground written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/swissmanu/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 13fcb5c474f2aef5ab4fead99535c2ec4a9814befcfe728cd3958f531da9538d [INFO] running `Command { std: "docker" "start" "-a" "13fcb5c474f2aef5ab4fead99535c2ec4a9814befcfe728cd3958f531da9538d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13fcb5c474f2aef5ab4fead99535c2ec4a9814befcfe728cd3958f531da9538d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13fcb5c474f2aef5ab4fead99535c2ec4a9814befcfe728cd3958f531da9538d", kill_on_drop: false }` [INFO] [stdout] 13fcb5c474f2aef5ab4fead99535c2ec4a9814befcfe728cd3958f531da9538d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8967e23ec028559503abde03ae2c488c87eccd60a05d92c95c4e8ce0f94e1995 [INFO] running `Command { std: "docker" "start" "-a" "8967e23ec028559503abde03ae2c488c87eccd60a05d92c95c4e8ce0f94e1995", kill_on_drop: false }` [INFO] [stderr] Compiling helloworld v0.0.1 (/opt/rustwide/workdir/helloworld) [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stderr] Compiling mutability v0.1.0 (/opt/rustwide/workdir/mutability) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> ownership/src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | let x = "manu"; // type is &str [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 1.89s [INFO] running `Command { std: "docker" "inspect" "8967e23ec028559503abde03ae2c488c87eccd60a05d92c95c4e8ce0f94e1995", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8967e23ec028559503abde03ae2c488c87eccd60a05d92c95c4e8ce0f94e1995", kill_on_drop: false }` [INFO] [stdout] 8967e23ec028559503abde03ae2c488c87eccd60a05d92c95c4e8ce0f94e1995 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 622ad28277b1a7c804cd3124c5e9d3c2c12c5e37a76ce0efbdc06b1422c1937b [INFO] running `Command { std: "docker" "start" "-a" "622ad28277b1a7c804cd3124c5e9d3c2c12c5e37a76ce0efbdc06b1422c1937b", kill_on_drop: false }` [INFO] [stderr] Compiling helloworld v0.0.1 (/opt/rustwide/workdir/helloworld) [INFO] [stderr] Compiling mutability v0.1.0 (/opt/rustwide/workdir/mutability) [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> ownership/src/main.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | let x = "manu"; // type is &str [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 1.12s [INFO] running `Command { std: "docker" "inspect" "622ad28277b1a7c804cd3124c5e9d3c2c12c5e37a76ce0efbdc06b1422c1937b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "622ad28277b1a7c804cd3124c5e9d3c2c12c5e37a76ce0efbdc06b1422c1937b", kill_on_drop: false }` [INFO] [stdout] 622ad28277b1a7c804cd3124c5e9d3c2c12c5e37a76ce0efbdc06b1422c1937b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 70c32744c68cfe4c30279ff7e4f4264ca24a3ee5df516e42dc62d5adfea305fd [INFO] running `Command { std: "docker" "start" "-a" "70c32744c68cfe4c30279ff7e4f4264ca24a3ee5df516e42dc62d5adfea305fd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> ownership/src/main.rs:22:7 [INFO] [stderr] | [INFO] [stderr] 22 | let x = "manu"; // type is &str [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ownership` (bin "ownership" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/helloworld-28b2817971571831) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mutability-cc8855a84237efd0) [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] Running unittests (/opt/rustwide/target/debug/deps/ownership-18d3c794f925a00b) [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" "70c32744c68cfe4c30279ff7e4f4264ca24a3ee5df516e42dc62d5adfea305fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70c32744c68cfe4c30279ff7e4f4264ca24a3ee5df516e42dc62d5adfea305fd", kill_on_drop: false }` [INFO] [stdout] 70c32744c68cfe4c30279ff7e4f4264ca24a3ee5df516e42dc62d5adfea305fd