[INFO] fetching crate yaecs 0.11.0...
[INFO] testing yaecs-0.11.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yaecs 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yaecs 0.11.0 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 yaecs 0.11.0
[INFO] finished tweaking crates.io crate yaecs 0.11.0
[INFO] tweaked toml for crates.io crate yaecs 0.11.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52303957bfa0e726c9c2f1bae9ed001ebf82e919a991a4ed758d4e680ae927fb
[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" "52303957bfa0e726c9c2f1bae9ed001ebf82e919a991a4ed758d4e680ae927fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52303957bfa0e726c9c2f1bae9ed001ebf82e919a991a4ed758d4e680ae927fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52303957bfa0e726c9c2f1bae9ed001ebf82e919a991a4ed758d4e680ae927fb", kill_on_drop: false }`
[INFO] [stdout] 52303957bfa0e726c9c2f1bae9ed001ebf82e919a991a4ed758d4e680ae927fb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 635209f625da4a88ab0c0f8570f1b2e1edb8315d8e32e43892f013687f2d09ec
[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" "635209f625da4a88ab0c0f8570f1b2e1edb8315d8e32e43892f013687f2d09ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling yaecs v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/system.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Debug for System {
[INFO] [stdout]   |                ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/world.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     systems: Vec<Box<System>>,
[INFO] [stdout]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "635209f625da4a88ab0c0f8570f1b2e1edb8315d8e32e43892f013687f2d09ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635209f625da4a88ab0c0f8570f1b2e1edb8315d8e32e43892f013687f2d09ec", kill_on_drop: false }`
[INFO] [stdout] 635209f625da4a88ab0c0f8570f1b2e1edb8315d8e32e43892f013687f2d09ec
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb73793de9c3770d634796debc7ec85d8a1dcc32b849898daeb52f8a419e6e8
[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" "bcb73793de9c3770d634796debc7ec85d8a1dcc32b849898daeb52f8a419e6e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling tabwriter v0.1.25
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/system.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Debug for System {
[INFO] [stdout]   |                ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/world.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     systems: Vec<Box<System>>,
[INFO] [stdout]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling avow v0.1.0
[INFO] [stderr]    Compiling yaecs v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/basic.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/system.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Debug for System {
[INFO] [stdout]   |                ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/world.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     systems: Vec<Box<System>>,
[INFO] [stdout]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/entities.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let mut unwrapped = results.pop().unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.21s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcb73793de9c3770d634796debc7ec85d8a1dcc32b849898daeb52f8a419e6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb73793de9c3770d634796debc7ec85d8a1dcc32b849898daeb52f8a419e6e8", kill_on_drop: false }`
[INFO] [stdout] bcb73793de9c3770d634796debc7ec85d8a1dcc32b849898daeb52f8a419e6e8
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 68d477ad8500ee21cabf0bb873e564f4e4fccb9b9d74a5d6dbb2e17fa80da46f
[INFO] running `Command { std: "docker" "start" "-a" "68d477ad8500ee21cabf0bb873e564f4e4fccb9b9d74a5d6dbb2e17fa80da46f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 15 tests
[INFO] [stderr]  --> src/system.rs:8:16
[INFO] [stdout] test entity_builder::tests::entity_tag_adds_a_tag ... ok
[INFO] [stderr]   |
[INFO] [stdout] test world::tests::world_can_be_created ... ok
[INFO] [stderr] 8 | impl Debug for System {
[INFO] [stdout] test world::tests::world_can_contain_entities ... ok
[INFO] [stderr]   |                ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stdout] test entity_builder::tests::entity_can_be_built ... ok
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     systems: Vec<Box<System>>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/basic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/system.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Debug for System {
[INFO] [stderr]   |                ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/world.rs:7:22
[INFO] [stderr]   |
[INFO] [stderr] 7 |     systems: Vec<Box<System>>,
[INFO] [stderr]   |                      ^^^^^^ help: use `dyn`: `dyn System`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/entities.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let mut unwrapped = results.pop().unwrap();
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yaecs-700a52a140bbb0f4
[INFO] [stdout] test entity_builder::tests::entity_add_adds_a_component ... ok
[INFO] [stdout] test entity::tests::entity_can_contain_components ... ok
[INFO] [stdout] test entities::tests::with_component_works ... ok
[INFO] [stdout] test entities::tests::with_label_works ... ok
[INFO] [stdout] test entity::tests::entity_has_components_works ... ok
[INFO] [stdout] test entities::tests::with_label_mut_works ... ok
[INFO] [stdout] test entities::tests::filter_map_to_component_mut_works ... ok
[INFO] [stdout] test entities::tests::with_component_mut_works ... ok
[INFO] [stdout] test world::tests::world_can_contain_systems ... ok
[INFO] [stdout] test entities::tests::iter_works ... ok
[INFO] [stdout] test entities::tests::filter_map_to_component_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yaecs
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68d477ad8500ee21cabf0bb873e564f4e4fccb9b9d74a5d6dbb2e17fa80da46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d477ad8500ee21cabf0bb873e564f4e4fccb9b9d74a5d6dbb2e17fa80da46f", kill_on_drop: false }`
[INFO] [stdout] 68d477ad8500ee21cabf0bb873e564f4e4fccb9b9d74a5d6dbb2e17fa80da46f