[INFO] fetching crate nano_arena 0.5.1...
[INFO] testing nano_arena-0.5.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nano_arena 0.5.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate nano_arena 0.5.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nano_arena 0.5.1
[INFO] finished tweaking crates.io crate nano_arena 0.5.1
[INFO] tweaked toml for crates.io crate nano_arena 0.5.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 06dd1a1895d0c7145a29a4c210adcaa37fd026eec5bbd0cad83b2818bf3349c0
[INFO] running `Command { std: "docker" "start" "-a" "06dd1a1895d0c7145a29a4c210adcaa37fd026eec5bbd0cad83b2818bf3349c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06dd1a1895d0c7145a29a4c210adcaa37fd026eec5bbd0cad83b2818bf3349c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dd1a1895d0c7145a29a4c210adcaa37fd026eec5bbd0cad83b2818bf3349c0", kill_on_drop: false }`
[INFO] [stdout] 06dd1a1895d0c7145a29a4c210adcaa37fd026eec5bbd0cad83b2818bf3349c0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8d10bb40e4f466fa7c16b28affc79cb54b77de88fef47f28e815a5ed6a8dae5
[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" "d8d10bb40e4f466fa7c16b28affc79cb54b77de88fef47f28e815a5ed6a8dae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling nano_arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "d8d10bb40e4f466fa7c16b28affc79cb54b77de88fef47f28e815a5ed6a8dae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d10bb40e4f466fa7c16b28affc79cb54b77de88fef47f28e815a5ed6a8dae5", kill_on_drop: false }`
[INFO] [stdout] d8d10bb40e4f466fa7c16b28affc79cb54b77de88fef47f28e815a5ed6a8dae5
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9631b708e215c4715b01d288084bc7aa70d43c7a36d74cf94920455c125ed469
[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" "9631b708e215c4715b01d288084bc7aa70d43c7a36d74cf94920455c125ed469", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nano_arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "9631b708e215c4715b01d288084bc7aa70d43c7a36d74cf94920455c125ed469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9631b708e215c4715b01d288084bc7aa70d43c7a36d74cf94920455c125ed469", kill_on_drop: false }`
[INFO] [stdout] 9631b708e215c4715b01d288084bc7aa70d43c7a36d74cf94920455c125ed469
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba901b13b9e5af5697541ded226ffd61c3d6f78bc93d0a35acc57931615eb864
[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" "ba901b13b9e5af5697541ded226ffd61c3d6f78bc93d0a35acc57931615eb864", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nano_arena-86f9eb39026025e5
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::apply_ordering ... ok
[INFO] [stdout] test tests::debug_printing ... ok
[INFO] [stdout] test tests::cloned_index_should_equal ... ok
[INFO] [stdout] test tests::alloc_with_idx ... ok
[INFO] [stdout] test tests::convert_to_vec ... ok
[INFO] [stdout] test tests::arena_length ... ok
[INFO] [stdout] test tests::position ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::index_should_be_hashable ... ok
[INFO] [stdout] test tests::getting_by_index ... ok
[INFO] [stdout] test tests::mut_iter ... ok
[INFO] [stdout] test tests::get_mut ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::should_construct_default ... ok
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::turn_iterator_into_vector ... ok
[INFO] [stdout] test tests::split_at ... ok
[INFO] [stderr]    Doc-tests nano_arena
[INFO] [stdout] test tests::should_construct_with_capacity ... ok
[INFO] [stdout] test tests::swap_remove ... ok
[INFO] [stdout] test tests::swap_indexes ... ok
[INFO] [stdout] test tests::remove_should_remove_last_value ... ok
[INFO] [stdout] test tests::retain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba901b13b9e5af5697541ded226ffd61c3d6f78bc93d0a35acc57931615eb864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba901b13b9e5af5697541ded226ffd61c3d6f78bc93d0a35acc57931615eb864", kill_on_drop: false }`
[INFO] [stdout] ba901b13b9e5af5697541ded226ffd61c3d6f78bc93d0a35acc57931615eb864