[INFO] fetching crate r 0.0.9...
[INFO] testing r-0.0.9 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate r 0.0.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate r 0.0.9 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363c4a92372990d173a324551e6015bf8f46333dd36894f3d284f1eed2489f97
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "363c4a92372990d173a324551e6015bf8f46333dd36894f3d284f1eed2489f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363c4a92372990d173a324551e6015bf8f46333dd36894f3d284f1eed2489f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363c4a92372990d173a324551e6015bf8f46333dd36894f3d284f1eed2489f97", kill_on_drop: false }`
[INFO] [stdout] 363c4a92372990d173a324551e6015bf8f46333dd36894f3d284f1eed2489f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5798994e77c4a41c870cb96916f2132f806331c800eda1c4e38f926888ae76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e5798994e77c4a41c870cb96916f2132f806331c800eda1c4e38f926888ae76", kill_on_drop: false }`
[INFO] [stderr]    Compiling r v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "4e5798994e77c4a41c870cb96916f2132f806331c800eda1c4e38f926888ae76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5798994e77c4a41c870cb96916f2132f806331c800eda1c4e38f926888ae76", kill_on_drop: false }`
[INFO] [stdout] 4e5798994e77c4a41c870cb96916f2132f806331c800eda1c4e38f926888ae76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf2472e47582b1b11fbef0d0de4f25c6b61c129af0b49e45324743c2c5ec493b
[INFO] running `Command { std: "docker" "start" "-a" "bf2472e47582b1b11fbef0d0de4f25c6b61c129af0b49e45324743c2c5ec493b", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf2472e47582b1b11fbef0d0de4f25c6b61c129af0b49e45324743c2c5ec493b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2472e47582b1b11fbef0d0de4f25c6b61c129af0b49e45324743c2c5ec493b", kill_on_drop: false }`
[INFO] [stdout] bf2472e47582b1b11fbef0d0de4f25c6b61c129af0b49e45324743c2c5ec493b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3a554d48030756a52c9a06a4b2ce0f2135107df8619b78ff2df8c464536659c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3a554d48030756a52c9a06a4b2ce0f2135107df8619b78ff2df8c464536659c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `r::ml::common::DataSet`
[INFO] [stderr]  --> tests/ml/common/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use r::ml::common::DataSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> tests/ml/common/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[warn(unused_imports)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `r` (test "tests") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r-a401670abe36d641)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-997a62fa154e3139)
[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 2 tests
[INFO] [stderr]    Doc-tests r
[INFO] [stdout] test math::abs ... ok
[INFO] [stdout] test ml::eval::eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3a554d48030756a52c9a06a4b2ce0f2135107df8619b78ff2df8c464536659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a554d48030756a52c9a06a4b2ce0f2135107df8619b78ff2df8c464536659c", kill_on_drop: false }`
[INFO] [stdout] f3a554d48030756a52c9a06a4b2ce0f2135107df8619b78ff2df8c464536659c