[INFO] cloning repository https://github.com/notherno/rust-hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notherno/rust-hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotherno%2Frust-hello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotherno%2Frust-hello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2794cc4379f49f883d02f4cd5bcbdd549449ebd0
[INFO] testing notherno/rust-hello against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotherno%2Frust-hello" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notherno/rust-hello 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/notherno/rust-hello
[INFO] finished tweaking git repo https://github.com/notherno/rust-hello
[INFO] tweaked toml for git repo https://github.com/notherno/rust-hello written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/notherno/rust-hello 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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 12618403709a16355e02c458dbe65f823357fb6e7b721c7228b359bd4c1b9441
[INFO] running `Command { std: "docker" "start" "-a" "12618403709a16355e02c458dbe65f823357fb6e7b721c7228b359bd4c1b9441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12618403709a16355e02c458dbe65f823357fb6e7b721c7228b359bd4c1b9441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12618403709a16355e02c458dbe65f823357fb6e7b721c7228b359bd4c1b9441", kill_on_drop: false }`
[INFO] [stdout] 12618403709a16355e02c458dbe65f823357fb6e7b721c7228b359bd4c1b9441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] f4d59baa9a51578f164a15f713190c6dc92a257a7448feab4fecd57fcc9a0075
[INFO] running `Command { std: "docker" "start" "-a" "f4d59baa9a51578f164a15f713190c6dc92a257a7448feab4fecd57fcc9a0075", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling rust-hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[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 1m 08s
[INFO] running `Command { std: "docker" "inspect" "f4d59baa9a51578f164a15f713190c6dc92a257a7448feab4fecd57fcc9a0075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d59baa9a51578f164a15f713190c6dc92a257a7448feab4fecd57fcc9a0075", kill_on_drop: false }`
[INFO] [stdout] f4d59baa9a51578f164a15f713190c6dc92a257a7448feab4fecd57fcc9a0075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 9ae12ad4d37e5b157fc78cf45108396e2e6cf14677fcce7b0ceaf573f48a7f4d
[INFO] running `Command { std: "docker" "start" "-a" "9ae12ad4d37e5b157fc78cf45108396e2e6cf14677fcce7b0ceaf573f48a7f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `secret_number`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[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 0.51s
[INFO] running `Command { std: "docker" "inspect" "9ae12ad4d37e5b157fc78cf45108396e2e6cf14677fcce7b0ceaf573f48a7f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae12ad4d37e5b157fc78cf45108396e2e6cf14677fcce7b0ceaf573f48a7f4d", kill_on_drop: false }`
[INFO] [stdout] 9ae12ad4d37e5b157fc78cf45108396e2e6cf14677fcce7b0ceaf573f48a7f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 1338d7148419fab1c111aab869a8e004b7db2f4d08b23057994e5a845ead2d6a
[INFO] running `Command { std: "docker" "start" "-a" "1338d7148419fab1c111aab869a8e004b7db2f4d08b23057994e5a845ead2d6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `secret_number`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let secret_number = rand::thread_rng().gen_range(1, 101);
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_number`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hello` (bin "rust-hello" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_hello-4a2d336f2f6c3d16)
[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" "1338d7148419fab1c111aab869a8e004b7db2f4d08b23057994e5a845ead2d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1338d7148419fab1c111aab869a8e004b7db2f4d08b23057994e5a845ead2d6a", kill_on_drop: false }`
[INFO] [stdout] 1338d7148419fab1c111aab869a8e004b7db2f4d08b23057994e5a845ead2d6a