[INFO] fetching crate r 0.0.9...
[INFO] testing r-0.0.9 against 1.44.0 for beta-1.45-1
[INFO] extracting crate r 0.0.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate r 0.0.9 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22f6e6aae59607231ed9f6eaf4e4cc14531178277d34969b56ec5e8d1e33bbcc
[INFO] running `"docker" "start" "-a" "22f6e6aae59607231ed9f6eaf4e4cc14531178277d34969b56ec5e8d1e33bbcc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling r v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "22f6e6aae59607231ed9f6eaf4e4cc14531178277d34969b56ec5e8d1e33bbcc"`
[INFO] running `"docker" "rm" "-f" "22f6e6aae59607231ed9f6eaf4e4cc14531178277d34969b56ec5e8d1e33bbcc"`
[INFO] [stdout] 22f6e6aae59607231ed9f6eaf4e4cc14531178277d34969b56ec5e8d1e33bbcc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec49f6648b3d715d9798bcf7d35899e0c761c54e39d6e778b82e7add8dfa461e
[INFO] running `"docker" "start" "-a" "ec49f6648b3d715d9798bcf7d35899e0c761c54e39d6e778b82e7add8dfa461e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling r v0.0.9 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "ec49f6648b3d715d9798bcf7d35899e0c761c54e39d6e778b82e7add8dfa461e"`
[INFO] running `"docker" "rm" "-f" "ec49f6648b3d715d9798bcf7d35899e0c761c54e39d6e778b82e7add8dfa461e"`
[INFO] [stdout] ec49f6648b3d715d9798bcf7d35899e0c761c54e39d6e778b82e7add8dfa461e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56f66d3a57ef60eae38f7913bee636660c8344f94a1852af82baceb02dd6973f
[INFO] running `"docker" "start" "-a" "56f66d3a57ef60eae38f7913bee636660c8344f94a1852af82baceb02dd6973f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r-66b2af53bd0ada80
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-fbca6b5170da731c
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ml::eval::eval ... ok
[INFO] [stdout] test math::abs ... ok
[INFO] [stderr]    Doc-tests r
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "56f66d3a57ef60eae38f7913bee636660c8344f94a1852af82baceb02dd6973f"`
[INFO] running `"docker" "rm" "-f" "56f66d3a57ef60eae38f7913bee636660c8344f94a1852af82baceb02dd6973f"`
[INFO] [stdout] 56f66d3a57ef60eae38f7913bee636660c8344f94a1852af82baceb02dd6973f