[INFO] fetching crate r 0.0.9...
[INFO] testing r-0.0.9 against 1.55.0 for beta-1.56-1
[INFO] extracting crate r 0.0.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate r 0.0.9 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 crates.io crate r 0.0.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate r 0.0.9
[INFO] tweaked toml for crates.io crate r 0.0.9 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bf1e09da47d8cc9782179dba56cd6448553c93f057baecd595826263ba332b92
[INFO] running `Command { std: "docker" "start" "-a" "bf1e09da47d8cc9782179dba56cd6448553c93f057baecd595826263ba332b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf1e09da47d8cc9782179dba56cd6448553c93f057baecd595826263ba332b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1e09da47d8cc9782179dba56cd6448553c93f057baecd595826263ba332b92", kill_on_drop: false }`
[INFO] [stdout] bf1e09da47d8cc9782179dba56cd6448553c93f057baecd595826263ba332b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0803cebce806f85b96a2d1b606b07ca05c5a2b231d70855b1d09272c9fdfae33
[INFO] running `Command { std: "docker" "start" "-a" "0803cebce806f85b96a2d1b606b07ca05c5a2b231d70855b1d09272c9fdfae33", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling r v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "0803cebce806f85b96a2d1b606b07ca05c5a2b231d70855b1d09272c9fdfae33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0803cebce806f85b96a2d1b606b07ca05c5a2b231d70855b1d09272c9fdfae33", kill_on_drop: false }`
[INFO] [stdout] 0803cebce806f85b96a2d1b606b07ca05c5a2b231d70855b1d09272c9fdfae33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3323127ee4fb75368474f82492b2de6620cfb0df0b009d2cd5fdbaf3bab47cf4
[INFO] running `Command { std: "docker" "start" "-a" "3323127ee4fb75368474f82492b2de6620cfb0df0b009d2cd5fdbaf3bab47cf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling r v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `r::ml::common::DataSet`
[INFO] [stdout]  --> tests/ml/common/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use r::ml::common::DataSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> tests/ml/common/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(unused_imports)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "3323127ee4fb75368474f82492b2de6620cfb0df0b009d2cd5fdbaf3bab47cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3323127ee4fb75368474f82492b2de6620cfb0df0b009d2cd5fdbaf3bab47cf4", kill_on_drop: false }`
[INFO] [stdout] 3323127ee4fb75368474f82492b2de6620cfb0df0b009d2cd5fdbaf3bab47cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3e173607dcbe2f8cc84a90c341f56dc41385056096b039383228ba8579099246
[INFO] running `Command { std: "docker" "start" "-a" "3e173607dcbe2f8cc84a90c341f56dc41385056096b039383228ba8579099246", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `r::ml::common::DataSet`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/ml/common/mod.rs:2:5
[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] 2 | use r::ml::common::DataSet;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 2 tests
[INFO] [stderr] note: the lint level is defined here
[INFO] [stdout] test math::abs ... ok
[INFO] [stderr]  --> tests/ml/common/mod.rs:1:8
[INFO] [stdout] test ml::eval::eval ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | #[warn(unused_imports)]
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `r` (test "tests") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r-a4a3cc21fa9fee9a)
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-4a210c08cbf961ae)
[INFO] [stderr]    Doc-tests r
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/ml/eval/mod.rs - ml::eval::Eval::new (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e173607dcbe2f8cc84a90c341f56dc41385056096b039383228ba8579099246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e173607dcbe2f8cc84a90c341f56dc41385056096b039383228ba8579099246", kill_on_drop: false }`
[INFO] [stdout] 3e173607dcbe2f8cc84a90c341f56dc41385056096b039383228ba8579099246