[INFO] cloning repository https://github.com/ANtlord/system_ladder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ANtlord/system_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b41373e9dc9ce5714a2fc09157d6c58242433b5
[INFO] testing ANtlord/system_ladder against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FANtlord%2Fsystem_ladder" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ANtlord/system_ladder on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] finished tweaking git repo https://github.com/ANtlord/system_ladder
[INFO] tweaked toml for git repo https://github.com/ANtlord/system_ladder written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ANtlord/system_ladder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] fb1117c006e17f680a42faae04561072de72b11f941c22dd35ca98c354ad8710
[INFO] running `Command { std: "docker" "start" "-a" "fb1117c006e17f680a42faae04561072de72b11f941c22dd35ca98c354ad8710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb1117c006e17f680a42faae04561072de72b11f941c22dd35ca98c354ad8710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb1117c006e17f680a42faae04561072de72b11f941c22dd35ca98c354ad8710", kill_on_drop: false }`
[INFO] [stdout] fb1117c006e17f680a42faae04561072de72b11f941c22dd35ca98c354ad8710
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e9654641fafa6b5ace5500c984762ebfb5058390abb562c89ac33772fa8fe5
[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" "86e9654641fafa6b5ace5500c984762ebfb5058390abb562c89ac33772fa8fe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling system_ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "86e9654641fafa6b5ace5500c984762ebfb5058390abb562c89ac33772fa8fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e9654641fafa6b5ace5500c984762ebfb5058390abb562c89ac33772fa8fe5", kill_on_drop: false }`
[INFO] [stdout] 86e9654641fafa6b5ace5500c984762ebfb5058390abb562c89ac33772fa8fe5
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 479a7ce333e3d21d11013cc25867bc0745e45031bf4ea2eab9115180990064cd
[INFO] running `Command { std: "docker" "start" "-a" "479a7ce333e3d21d11013cc25867bc0745e45031bf4ea2eab9115180990064cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 3.65s
[INFO] running `Command { std: "docker" "inspect" "479a7ce333e3d21d11013cc25867bc0745e45031bf4ea2eab9115180990064cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479a7ce333e3d21d11013cc25867bc0745e45031bf4ea2eab9115180990064cd", kill_on_drop: false }`
[INFO] [stdout] 479a7ce333e3d21d11013cc25867bc0745e45031bf4ea2eab9115180990064cd
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a23e0905f176762274e8dcf47e91d46ef113da86ca9cb010966e1b29d7ca811a
[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" "a23e0905f176762274e8dcf47e91d46ef113da86ca9cb010966e1b29d7ca811a", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Func = Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&io::Result<fs::Metadata>, &TypeFlag, &Ftw) -> NftwResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/system_ladder-9cce8dbab504760d
[INFO] [stdout] 
[INFO] [stdout] running 82 tests
[INFO] [stdout] test container::heap::test::dymanic_median ... ok
[INFO] [stdout] test container::heap::test::remove ... ok
[INFO] [stdout] test container::heap::test::push_heap_min ... ok
[INFO] [stdout] test container::heap::test::push_heap_max ... ok
[INFO] [stdout] test container::heap::test::swim ... ok
[INFO] [stdout] test container::rbtree::node::tests::del_step_head_with_replacement ... ok
[INFO] [stdout] test container::rbtree::node::tests::del_step_head_with_replacement_and_two_children ... ok
[INFO] [stdout] test container::rbtree::node::tests::add ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::red_left_sibling ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::red_right_sibling ... ok
[INFO] [stdout] test container::rbtree::node::tests::find_replacement::left ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::black_sibling_red_left_child ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::black_sibling_red_right_child ... ok
[INFO] [stdout] test container::rbtree::node::tests::find_replacement::right_left ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_left_right ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_left_left ... ok
[INFO] [stdout] test container::rbtree::node::tests::del_step_internal_node_with_replacement ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_red_uncle ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_right_left ... ok
[INFO] [stdout] test container::rbtree::node::tests::del_step_leaf ... ok
[INFO] [stdout] test container::rbtree::node::tests::replace_child ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_right_right ... ok
[INFO] [stdout] test container::rbtree::node::tests::rotate_left_with_ancestor ... ok
[INFO] [stdout] test container::rbtree::node::tests::rotate_left_no_ancestor ... ok
[INFO] [stdout] test container::rbtree::node::tests::repair_straight_branch ... ok
[INFO] [stdout] test container::rbtree::node::tests::rotate_right_left_no_ancestor ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::black_sibling_without_red_child_and_black_parent ... ok
[INFO] [stdout] test container::rbtree::node::tests::fix_double_black::no_sibling ... ok
[INFO] [stdout] test container::rbtree::node::tests::grandparent ... ok
[INFO] [stdout] test container::rbtree::node::tests::min_node ... ok
[INFO] [stdout] test container::rbtree::tests::delete ... ok
[INFO] [stdout] test fs::tests::test_pathbuf ... ok
[INFO] [stdout] test list::item::tests::link_eq ... ok
[INFO] [stdout] test list::tests::iter_filled ... ok
[INFO] [stdout] test container::rbtree::node::tests::uncle ... ok
[INFO] [stdout] test container::rbtree::node::tests::rotate_right_with_ancestor ... ok
[INFO] [stdout] test container::rbtree::node::tests::rotate_right_no_ancestor ... ok
[INFO] [stdout] test list::tests::create_first ... ok
[INFO] [stdout] test container::rbtree::node::tests::find_replacement::right ... ok
[INFO] [stdout] test container::rbtree::node::tests::test_cmp ... ok
[INFO] [stdout] test container::rbtree::node::tests::sibling ... ok
[INFO] [stdout] test list::item::tests::link_null_eq ... ok
[INFO] [stdout] test list::tests::pop_back ... ok
[INFO] [stdout] test list::tests::pop_front ... ok
[INFO] [stdout] test utils::tests::insertion::odd_reverse_sorted_elements ... ok
[INFO] [stdout] test utils::tests::insertion::random_100 ... ok
[INFO] [stdout] test utils::tests::heap::odd_reverse_sorted_elements ... ok
[INFO] [stdout] test list::tests::push_back ... ok
[INFO] [stdout] test utils::tests::insertion::random_250 ... ok
[INFO] [stdout] test utils::tests::merge::equal_elements ... ok
[INFO] [stdout] test utils::tests::merge::no_drops ... ok
[INFO] [stdout] test tree::tests::sort_in_the_end ... ok
[INFO] [stdout] test utils::tests::heap::random_1000 ... ok
[INFO] [stdout] test list::tests::iter_empty ... ok
[INFO] [stdout] test utils::tests::merge::even_reverse_sorted_elements ... ok
[INFO] [stdout] test tree::tests::one ... ok
[INFO] [stdout] test utils::tests::merge::odd_reverse_sorted_elements ... ok
[INFO] [stdout] test utils::tests::merge::random_100 ... ok
[INFO] [stdout] test utils::tests::quicksort::even_elements ... ok
[INFO] [stdout] test utils::tests::quicksort::random_100 ... ok
[INFO] [stdout] test utils::tests::quicksort::odd_elements ... ok
[INFO] [stdout] test utils::tests::quicksort::random_1000 ... ok
[INFO] [stdout] test utils::tests::quicksort::equal_elements ... ok
[INFO] [stdout] test utils::tests::quicksort::single_element ... ok
[INFO] [stdout] test utils::tests::heap::even_reverse_sorted_elements ... ok
[INFO] [stdout] test utils::vector::tests::odds_more_than_evens ... ok
[INFO] [stdout] test utils::tests::quicksort::two_element ... ok
[INFO] [stdout] test utils::tests::quicksort::two_sorted_elements ... ok
[INFO] [stdout] test utils::tests::heap::random_5000 ... ok
[INFO] [stdout] test utils::tests::quicksort::equal_elements_with_pivot_duplicate ... ok
[INFO] [stdout] test utils::tests::merge::random_1000 ... ok
[INFO] [stdout] test utils::vector::tests::sample_no_duplicates ... ok
[INFO] [stdout] test utils::tests::heap::random_100 ... ok
[INFO] [stdout] test utils::tests::quicksort::random_5000 ... ok
[INFO] [stdout] test utils::vector::tests::test_sink ... ok
[INFO] [stdout] test utils::vector::tests::sample_with_duplicates ... ok
[INFO] [stdout] test list::tests::push_front ... ok
[INFO] [stdout] test utils::tests::insertion::random_500 ... ok
[INFO] [stdout] test utils::tests::merge::random_5000 ... ok
[INFO] [stdout] test container::rbtree::tests::red_node_has_black_children_only ... ok
[INFO] [stdout] test container::rbtree::tests::black_root ... ok
[INFO] [stdout] test container::rbtree::tests::equal_number_of_blacks_from_root_to_every_leaf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 82 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a23e0905f176762274e8dcf47e91d46ef113da86ca9cb010966e1b29d7ca811a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23e0905f176762274e8dcf47e91d46ef113da86ca9cb010966e1b29d7ca811a", kill_on_drop: false }`
[INFO] [stdout] a23e0905f176762274e8dcf47e91d46ef113da86ca9cb010966e1b29d7ca811a