[INFO] fetching crate legion-task 0.1.0...
[INFO] testing legion-task-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate legion-task 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate legion-task 0.1.0 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 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-2/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 derivative v1.0.4
[INFO] [stderr]   Downloaded legion-core v0.2.4
[INFO] [stderr]   Downloaded legion v0.2.4
[INFO] [stderr]   Downloaded simple_logger v1.13.0
[INFO] [stderr]   Downloaded legion-systems v0.2.4
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34b1eb3bdbc57eedfc61e82d30ee6e556617c787eb513063a20f9a59b28c50ef
[INFO] running `Command { std: "docker" "start" "-a" "34b1eb3bdbc57eedfc61e82d30ee6e556617c787eb513063a20f9a59b28c50ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b1eb3bdbc57eedfc61e82d30ee6e556617c787eb513063a20f9a59b28c50ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b1eb3bdbc57eedfc61e82d30ee6e556617c787eb513063a20f9a59b28c50ef", kill_on_drop: false }`
[INFO] [stdout] 34b1eb3bdbc57eedfc61e82d30ee6e556617c787eb513063a20f9a59b28c50ef
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5bb00411f7f775624a559bf3021aca3c8c286f63b9e5dc782f25ad19ec6b47e
[INFO] running `Command { std: "docker" "start" "-a" "b5bb00411f7f775624a559bf3021aca3c8c286f63b9e5dc782f25ad19ec6b47e", kill_on_drop: false }`
[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 14.06s
[INFO] running `Command { std: "docker" "inspect" "b5bb00411f7f775624a559bf3021aca3c8c286f63b9e5dc782f25ad19ec6b47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bb00411f7f775624a559bf3021aca3c8c286f63b9e5dc782f25ad19ec6b47e", kill_on_drop: false }`
[INFO] [stdout] b5bb00411f7f775624a559bf3021aca3c8c286f63b9e5dc782f25ad19ec6b47e
[INFO] running `Command { std: "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" "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] [stdout] 50de4a0b37634c7a872b9d845162a666b416363e5ff8a7433a772164439b0dde
[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" "50de4a0b37634c7a872b9d845162a666b416363e5ff8a7433a772164439b0dde", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_logger v1.13.0
[INFO] [stderr]    Compiling legion-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "50de4a0b37634c7a872b9d845162a666b416363e5ff8a7433a772164439b0dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50de4a0b37634c7a872b9d845162a666b416363e5ff8a7433a772164439b0dde", kill_on_drop: false }`
[INFO] [stdout] 50de4a0b37634c7a872b9d845162a666b416363e5ff8a7433a772164439b0dde
[INFO] running `Command { std: "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" "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] 12c07050ec47da425254df724051860bea8a993ffae2a7af1e1b3ba1ebf48eda
[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" "12c07050ec47da425254df724051860bea8a993ffae2a7af1e1b3ba1ebf48eda", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/legion_task-3c8dec61f26bf6ab)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test graph_builder::tests::accumulate_sequence_in_loop ... ok
[INFO] [stdout] test graph_builder::tests::remove_all_nils_nested_fork ... ok
[INFO] [stdout] test graph_builder::tests::remove_nil_from_left_fork ... ok
[INFO] [stdout] test graph_builder::tests::remove_nil_from_right_fork ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_fork_two ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_nested_fork ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_many_nested ... ok
[INFO] [stdout] test graph_builder::tests::task_graph_macro_fork_three ... ok
[INFO] [stdout] test tests::run_single_task ... ok
[INFO] [stdout] test tests::single_task_deleted_on_completion ... ok
[INFO] [stdout] test tests::all_prongs_of_fork_run_before_join_and_deleted_on_completion ... ok
[INFO] [stdout] test tests::join_fork_with_nested_fork ... ok
[INFO] [stdout] test tests::joined_tasks_run_in_order_and_deleted_on_completion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 153) ... 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; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12c07050ec47da425254df724051860bea8a993ffae2a7af1e1b3ba1ebf48eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c07050ec47da425254df724051860bea8a993ffae2a7af1e1b3ba1ebf48eda", kill_on_drop: false }`
[INFO] [stdout] 12c07050ec47da425254df724051860bea8a993ffae2a7af1e1b3ba1ebf48eda