[INFO] fetching crate legion-task 0.1.0...
[INFO] testing legion-task-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate legion-task 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate legion-task 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legion-task 0.1.0
[INFO] finished tweaking crates.io crate legion-task 0.1.0
[INFO] tweaked toml for crates.io crate legion-task 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eb17ba18bfcb4f294ddecfd6237e9792e8ab30a97bae91a4ef6a02b9d5dee5a
[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" "5eb17ba18bfcb4f294ddecfd6237e9792e8ab30a97bae91a4ef6a02b9d5dee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eb17ba18bfcb4f294ddecfd6237e9792e8ab30a97bae91a4ef6a02b9d5dee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb17ba18bfcb4f294ddecfd6237e9792e8ab30a97bae91a4ef6a02b9d5dee5a", kill_on_drop: false }`
[INFO] [stdout] 5eb17ba18bfcb4f294ddecfd6237e9792e8ab30a97bae91a4ef6a02b9d5dee5a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1afe787104d5fbe9cbb9ce98e8a48e6800292cc8e916eb21d301f22f0ce9d585
[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" "1afe787104d5fbe9cbb9ce98e8a48e6800292cc8e916eb21d301f22f0ce9d585", kill_on_drop: false }`
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling legion-core v0.2.4
[INFO] [stderr]    Compiling legion-systems v0.2.4
[INFO] [stderr]    Compiling legion v0.2.4
[INFO] [stderr]    Compiling legion-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.29s
[INFO] running `Command { std: "docker" "inspect" "1afe787104d5fbe9cbb9ce98e8a48e6800292cc8e916eb21d301f22f0ce9d585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afe787104d5fbe9cbb9ce98e8a48e6800292cc8e916eb21d301f22f0ce9d585", kill_on_drop: false }`
[INFO] [stdout] 1afe787104d5fbe9cbb9ce98e8a48e6800292cc8e916eb21d301f22f0ce9d585
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 421227e37917d6813d7e83496474ffaf243806c849b7b4abb2b6e42671866fe3
[INFO] running `Command { std: "docker" "start" "-a" "421227e37917d6813d7e83496474ffaf243806c849b7b4abb2b6e42671866fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling legion-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "421227e37917d6813d7e83496474ffaf243806c849b7b4abb2b6e42671866fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421227e37917d6813d7e83496474ffaf243806c849b7b4abb2b6e42671866fe3", kill_on_drop: false }`
[INFO] [stdout] 421227e37917d6813d7e83496474ffaf243806c849b7b4abb2b6e42671866fe3
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 518fb8bcdd3a3fdc0e6d8412d1787d8d26919eb69451c122de7e53861c45acbc
[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" "518fb8bcdd3a3fdc0e6d8412d1787d8d26919eb69451c122de7e53861c45acbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/legion_task-d5917d2e4bd7a8ce
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test graph_builder::tests::remove_all_nils_nested_fork ... ok
[INFO] [stdout] test graph_builder::tests::accumulate_sequence_in_loop ... ok
[INFO] [stdout] test graph_builder::tests::remove_nil_from_right_fork ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_nested_fork ... ok
[INFO] [stdout] test graph_builder::tests::remove_nil_from_left_fork ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_fork_three ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_fork_two ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_many_nested ... ok
[INFO] [stdout] test tests::joined_tasks_run_in_order_and_deleted_on_completion ... ok
[INFO] [stdout] test tests::join_fork_with_nested_fork ... ok
[INFO] [stdout] test tests::single_task_deleted_on_completion ... ok
[INFO] [stdout] test tests::run_single_task ... ok
[INFO] [stdout] test tests::all_prongs_of_fork_run_before_join_and_deleted_on_completion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests legion-task
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] test src/lib.rs - (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "518fb8bcdd3a3fdc0e6d8412d1787d8d26919eb69451c122de7e53861c45acbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518fb8bcdd3a3fdc0e6d8412d1787d8d26919eb69451c122de7e53861c45acbc", kill_on_drop: false }`
[INFO] [stdout] 518fb8bcdd3a3fdc0e6d8412d1787d8d26919eb69451c122de7e53861c45acbc