[INFO] fetching crate extendr-api 0.2.0...
[INFO] testing extendr-api-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate extendr-api 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate extendr-api 0.2.0 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 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-3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extendr-engine v0.2.0
[INFO] [stderr]   Downloaded extendr-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c712aabefc79231a46384ad0b4b443ad23c4f06d8c024a15c12ef632cc7e3ee0
[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" "c712aabefc79231a46384ad0b4b443ad23c4f06d8c024a15c12ef632cc7e3ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c712aabefc79231a46384ad0b4b443ad23c4f06d8c024a15c12ef632cc7e3ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c712aabefc79231a46384ad0b4b443ad23c4f06d8c024a15c12ef632cc7e3ee0", kill_on_drop: false }`
[INFO] [stdout] c712aabefc79231a46384ad0b4b443ad23c4f06d8c024a15c12ef632cc7e3ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bace2fffbb727c5427a72e47bcbdfe089f883e04cc96633e15cf20770579a95d
[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" "bace2fffbb727c5427a72e47bcbdfe089f883e04cc96633e15cf20770579a95d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libR-sys v0.2.2
[INFO] [stderr]    Compiling extendr-engine v0.2.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling extendr-macros v0.2.0
[INFO] [stderr]    Compiling extendr-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "bace2fffbb727c5427a72e47bcbdfe089f883e04cc96633e15cf20770579a95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bace2fffbb727c5427a72e47bcbdfe089f883e04cc96633e15cf20770579a95d", kill_on_drop: false }`
[INFO] [stdout] bace2fffbb727c5427a72e47bcbdfe089f883e04cc96633e15cf20770579a95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a62fc0d51ec13564335abec7ee01898e688ad226cb759fbf00b6316f43fdcbe4
[INFO] running `Command { std: "docker" "start" "-a" "a62fc0d51ec13564335abec7ee01898e688ad226cb759fbf00b6316f43fdcbe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling extendr-api v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "a62fc0d51ec13564335abec7ee01898e688ad226cb759fbf00b6316f43fdcbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62fc0d51ec13564335abec7ee01898e688ad226cb759fbf00b6316f43fdcbe4", kill_on_drop: false }`
[INFO] [stdout] a62fc0d51ec13564335abec7ee01898e688ad226cb759fbf00b6316f43fdcbe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e24f94b046694477cb716124664833949a75c07b4f773a61bb0ad0008d37c1a3
[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" "e24f94b046694477cb716124664833949a75c07b4f773a61bb0ad0008d37c1a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extendr_api-77d383eaeb4df22a)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::test_na_str ... ok
[INFO] [stdout] test tests::export_test ... ok
[INFO] [stdout] test tests::class_wrapper_test ... ok
[INFO] [stdout] test robj::tests::test_to_robj ... ok
[INFO] [stdout] test tests::r_output_test ... ok
[INFO] [stdout] test tests::metadata_test ... ok
[INFO] [stdout] test robj::tests::input_iterator_test ... ok
[INFO] [stdout] test matrix::matrix_ops ... ok
[INFO] [stdout] test ownership::test::basic_test ... ok
[INFO] [stdout] test robj::tests::output_iterator_test ... ok
[INFO] [stdout] test robj::tests::parse_test ... ok
[INFO] [stdout] test robj::tests::test_debug ... ok
[INFO] [stdout] test tests::slice_test ... ok
[INFO] [stdout] test robj::tests::test_from_robj ... ok
[INFO] [stdout] test ownership::test::collection_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[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-84887aa82082d760.rlib --extern extendr_engine=/opt/rustwide/target/debug/deps/libextendr_engine-8394ebbbd569c0e2.rlib --extern extendr_macros=/opt/rustwide/target/debug/deps/libextendr_macros-1fde4493e4cdac85.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern libR_sys=/opt/rustwide/target/debug/deps/liblibR_sys-307e0fd94bafedd3.rlib -C embed-bitcode=no --cfg 'feature="default"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e24f94b046694477cb716124664833949a75c07b4f773a61bb0ad0008d37c1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24f94b046694477cb716124664833949a75c07b4f773a61bb0ad0008d37c1a3", kill_on_drop: false }`
[INFO] [stdout] e24f94b046694477cb716124664833949a75c07b4f773a61bb0ad0008d37c1a3