[INFO] cloning repository https://github.com/skrub-dev/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrub-dev/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrub-dev%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrub-dev%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05a3e72250776b4eea0de93ed3f5faaf4d9c95cc
[INFO] testing skrub-dev/hello-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrub-dev%2Fhello-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skrub-dev/hello-rust 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/skrub-dev/hello-rust
[INFO] finished tweaking git repo https://github.com/skrub-dev/hello-rust
[INFO] tweaked toml for git repo https://github.com/skrub-dev/hello-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/skrub-dev/hello-rust 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e7f77f7dec79f1b2739208474132fc35bd009382d56a29727e7a6b1fb82f5c17
[INFO] running `Command { std: "docker" "start" "-a" "e7f77f7dec79f1b2739208474132fc35bd009382d56a29727e7a6b1fb82f5c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f77f7dec79f1b2739208474132fc35bd009382d56a29727e7a6b1fb82f5c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f77f7dec79f1b2739208474132fc35bd009382d56a29727e7a6b1fb82f5c17", kill_on_drop: false }`
[INFO] [stdout] e7f77f7dec79f1b2739208474132fc35bd009382d56a29727e7a6b1fb82f5c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1466a4254c3326a3566e9dcaae8796dfbefdee056e65ecfa04db155b697bb18c
[INFO] running `Command { std: "docker" "start" "-a" "1466a4254c3326a3566e9dcaae8796dfbefdee056e65ecfa04db155b697bb18c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `helloWorldCommand` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let helloWorldCommand = Command::new("sh") 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_world_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` 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 1.18s
[INFO] running `Command { std: "docker" "inspect" "1466a4254c3326a3566e9dcaae8796dfbefdee056e65ecfa04db155b697bb18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1466a4254c3326a3566e9dcaae8796dfbefdee056e65ecfa04db155b697bb18c", kill_on_drop: false }`
[INFO] [stdout] 1466a4254c3326a3566e9dcaae8796dfbefdee056e65ecfa04db155b697bb18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 883e010860f1318802cb674f46bf1eb6d3fb1f12bb5a45eb08df0d77f4f7aa6b
[INFO] running `Command { std: "docker" "start" "-a" "883e010860f1318802cb674f46bf1eb6d3fb1f12bb5a45eb08df0d77f4f7aa6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `helloWorldCommand` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let helloWorldCommand = Command::new("sh") 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_world_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "883e010860f1318802cb674f46bf1eb6d3fb1f12bb5a45eb08df0d77f4f7aa6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883e010860f1318802cb674f46bf1eb6d3fb1f12bb5a45eb08df0d77f4f7aa6b", kill_on_drop: false }`
[INFO] [stdout] 883e010860f1318802cb674f46bf1eb6d3fb1f12bb5a45eb08df0d77f4f7aa6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 02c75f5f6dabfb342ce0c73a97dfc8af3ce6bafecaff122cc836575b85ad4fa8
[INFO] running `Command { std: "docker" "start" "-a" "02c75f5f6dabfb342ce0c73a97dfc8af3ce6bafecaff122cc836575b85ad4fa8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: variable `helloWorldCommand` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 15 |     let helloWorldCommand = Command::new("sh") 
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_world_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-9d3249ed6a39a50c)
[INFO] running `Command { std: "docker" "inspect" "02c75f5f6dabfb342ce0c73a97dfc8af3ce6bafecaff122cc836575b85ad4fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c75f5f6dabfb342ce0c73a97dfc8af3ce6bafecaff122cc836575b85ad4fa8", kill_on_drop: false }`
[INFO] [stdout] 02c75f5f6dabfb342ce0c73a97dfc8af3ce6bafecaff122cc836575b85ad4fa8