[INFO] fetching crate extendr-api 0.2.0...
[INFO] testing extendr-api-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate extendr-api 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate extendr-api 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extendr-api 0.2.0
[INFO] finished tweaking crates.io crate extendr-api 0.2.0
[INFO] tweaked toml for crates.io crate extendr-api 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] a186a9b56c35a1f68405efb93dfd658f061e795eb85b2a6af80723e5e2964f63
[INFO] running `Command { std: "docker" "start" "-a" "a186a9b56c35a1f68405efb93dfd658f061e795eb85b2a6af80723e5e2964f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a186a9b56c35a1f68405efb93dfd658f061e795eb85b2a6af80723e5e2964f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a186a9b56c35a1f68405efb93dfd658f061e795eb85b2a6af80723e5e2964f63", kill_on_drop: false }`
[INFO] [stdout] a186a9b56c35a1f68405efb93dfd658f061e795eb85b2a6af80723e5e2964f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2a9e2aeb692c8ac814fccac7ad10d0977af2fe5bb995e04f1d0f70f180e8e2
[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" "ef2a9e2aeb692c8ac814fccac7ad10d0977af2fe5bb995e04f1d0f70f180e8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libR-sys v0.2.2
[INFO] [stderr]    Compiling extendr-engine v0.2.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling extendr-macros v0.2.0
[INFO] [stderr]    Compiling extendr-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "ef2a9e2aeb692c8ac814fccac7ad10d0977af2fe5bb995e04f1d0f70f180e8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2a9e2aeb692c8ac814fccac7ad10d0977af2fe5bb995e04f1d0f70f180e8e2", kill_on_drop: false }`
[INFO] [stdout] ef2a9e2aeb692c8ac814fccac7ad10d0977af2fe5bb995e04f1d0f70f180e8e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "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] 98dcbbaf6d5ca6a6d4fef401c822b39a24e4a4a39fc24731c0dc7df7a32fd2c4
[INFO] running `Command { std: "docker" "start" "-a" "98dcbbaf6d5ca6a6d4fef401c822b39a24e4a4a39fc24731c0dc7df7a32fd2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling extendr-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_obj`
[INFO] [stdout]    --> src/iter.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     root_obj: Robj,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "98dcbbaf6d5ca6a6d4fef401c822b39a24e4a4a39fc24731c0dc7df7a32fd2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dcbbaf6d5ca6a6d4fef401c822b39a24e4a4a39fc24731c0dc7df7a32fd2c4", kill_on_drop: false }`
[INFO] [stdout] 98dcbbaf6d5ca6a6d4fef401c822b39a24e4a4a39fc24731c0dc7df7a32fd2c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51e39d77f94c1a26d781122e4b3a81bcfa94c7ca0fa04b6b345ecf8082ebe472
[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" "51e39d77f94c1a26d781122e4b3a81bcfa94c7ca0fa04b6b345ecf8082ebe472", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `root_obj`
[INFO] [stderr]    --> src/iter.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     root_obj: Robj,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root_obj`
[INFO] [stderr]    --> src/iter.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     root_obj: Robj,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extendr-api` (lib) generated 2 warnings
[INFO] [stderr] warning: `extendr-api` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extendr_api-56476f03469621eb)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_na_str ... ok
[INFO] [stdout] test robj::tests::test_to_robj ... ok
[INFO] [stdout] test robj::tests::input_iterator_test ... ok
[INFO] [stdout] test ownership::test::basic_test ... ok
[INFO] [stdout] test ownership::test::collection_test ... ok
[INFO] [stdout] test robj::tests::test_from_robj ... ok
[INFO] [stdout] test tests::r_output_test ... ok
[INFO] [stdout] test tests::class_wrapper_test ... ok
[INFO] [stdout] test tests::metadata_test ... ok
[INFO] [stdout] test robj::tests::parse_test ... ok
[INFO] [stdout] test tests::slice_test ... ok
[INFO] [stdout] test robj::tests::output_iterator_test ... ok
[INFO] [stdout] test robj::tests::test_debug ... ok
[INFO] [stdout] test matrix::matrix_ops ... ok
[INFO] [stdout] test tests::export_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extendr-api
[INFO] [stdout] 
[INFO] [stdout] running 135 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name extendr_api --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L /usr/lib/R/lib --extern extendr_api=/opt/rustwide/target/debug/deps/libextendr_api-b1a73b03f92b1093.rlib --extern extendr_engine=/opt/rustwide/target/debug/deps/libextendr_engine-60756b7dfa666803.rlib --extern extendr_macros=/opt/rustwide/target/debug/deps/libextendr_macros-8eb7c26ab1d5e204.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-02ff0d0fbc57b9b4.rlib --extern libR_sys=/opt/rustwide/target/debug/deps/liblibR_sys-46eae4b0bb28a85a.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "51e39d77f94c1a26d781122e4b3a81bcfa94c7ca0fa04b6b345ecf8082ebe472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e39d77f94c1a26d781122e4b3a81bcfa94c7ca0fa04b6b345ecf8082ebe472", kill_on_drop: false }`
[INFO] [stdout] 51e39d77f94c1a26d781122e4b3a81bcfa94c7ca0fa04b6b345ecf8082ebe472