[INFO] fetching crate lz_diet 0.1.6...
[INFO] testing lz_diet-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lz_diet 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lz_diet 0.1.6 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 lz_diet 0.1.6
[INFO] finished tweaking crates.io crate lz_diet 0.1.6
[INFO] tweaked toml for crates.io crate lz_diet 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate lz_diet 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 75239888d20010d66e99d24341411ac5a13a1ad3c3d121ea9088af7fa1659f0c
[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" "75239888d20010d66e99d24341411ac5a13a1ad3c3d121ea9088af7fa1659f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75239888d20010d66e99d24341411ac5a13a1ad3c3d121ea9088af7fa1659f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75239888d20010d66e99d24341411ac5a13a1ad3c3d121ea9088af7fa1659f0c", kill_on_drop: false }`
[INFO] [stdout] 75239888d20010d66e99d24341411ac5a13a1ad3c3d121ea9088af7fa1659f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] eaddffb5e4189c63531b4995aa72529a8465290f2e56895220617c0f2b556df3
[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" "eaddffb5e4189c63531b4995aa72529a8465290f2e56895220617c0f2b556df3", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary-tree v0.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling lz_diet v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "eaddffb5e4189c63531b4995aa72529a8465290f2e56895220617c0f2b556df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaddffb5e4189c63531b4995aa72529a8465290f2e56895220617c0f2b556df3", kill_on_drop: false }`
[INFO] [stdout] eaddffb5e4189c63531b4995aa72529a8465290f2e56895220617c0f2b556df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e189e1d33f9c3ae8f25959dfd2bb94a4b7b38c6369df800c7d44bd3f7ea76c8e
[INFO] running `Command { std: "docker" "start" "-a" "e189e1d33f9c3ae8f25959dfd2bb94a4b7b38c6369df800c7d44bd3f7ea76c8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling lz_diet v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "e189e1d33f9c3ae8f25959dfd2bb94a4b7b38c6369df800c7d44bd3f7ea76c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e189e1d33f9c3ae8f25959dfd2bb94a4b7b38c6369df800c7d44bd3f7ea76c8e", kill_on_drop: false }`
[INFO] [stdout] e189e1d33f9c3ae8f25959dfd2bb94a4b7b38c6369df800c7d44bd3f7ea76c8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 29b94f8a48247f60bf1ecefa91e7b31f94ef4fc729e7b5b74eafcbe53ca93b58
[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" "29b94f8a48247f60bf1ecefa91e7b31f94ef4fc729e7b5b74eafcbe53ca93b58", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lz_diet-d3f71cf9775faa85)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test adjacent_bound::tests::overflow_wrapping_tests ... ok
[INFO] [stdout] test diet_node::tests::insert_with_join_left_still_balanced ... ok
[INFO] [stdout] test diet_node::tests::join_root_with_taller_right ... ok
[INFO] [stdout] test diet_node::tests::split_of_tree_with_contained_value ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_inclusive_end ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_contained_value ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_value_less_than_interval ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_only_value ... ok
[INFO] [stdout] test tests::clone ... ok
[INFO] [stdout] test tests::contains_returns_false_for_default ... ok
[INFO] [stdout] test tests::contains_returns_true_for_existing_value ... ok
[INFO] [stdout] test tests::equals_with_different_insertion_order ... ok
[INFO] [stdout] test tests::insert_returns_false_for_existing_value ... ok
[INFO] [stdout] test tests::insert_extends_existing_ranges ... ok
[INFO] [stdout] test tests::extend_from_slice_inserts_values ... ok
[INFO] [stdout] test tests::find_next_gap_for_empty ... ok
[INFO] [stdout] test tests::find_next_gap_from_inside ... ok
[INFO] [stdout] test tests::insert_combines_ranges ... ok
[INFO] [stdout] test tests::insert_combines_range ... ok
[INFO] [stdout] test tests::insert_returns_true_for_new_value ... ok
[INFO] [stdout] test tests::len_returns_zero_for_default ... ok
[INFO] [stdout] test tests::remove_entire_node ... ok
[INFO] [stdout] test tests::remove_of_adjacent_returns_false ... ok
[INFO] [stdout] test tests::remove_of_lower_bounds ... ok
[INFO] [stdout] test diet_node::tests::detach_max_returns_none_for_no_right ... ok
[INFO] [stdout] test diet_node::tests::detach_max_takes_max ... ok
[INFO] [stdout] test diet_node::tests::join_root_with_taller_left ... ok
[INFO] [stdout] test tests::remove_of_upper_bounds ... ok
[INFO] [stdout] test diet_node::tests::try_detach_min_multiple_levels_takes_min ... ok
[INFO] [stdout] test diet_node::tests::insert_with_join_right_still_balanced ... ok
[INFO] [stdout] test diet_node::tests::try_detach_min_returns_none_for_no_left ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_start ... ok
[INFO] [stdout] test tests::remove_returns_false_for_default ... ok
[INFO] [stdout] test tests::remove_returns_false_for_non_existant_value ... ok
[INFO] [stdout] test tests::find_next_gap_from_outside ... ok
[INFO] [stdout] test tests::remove_root_node ... ok
[INFO] [stdout] test tests::remove_within_interval ... ok
[INFO] [stdout] test diet_node::tests::split_of_single_node_with_value_more_than_interval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lz_diet
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::is_immediately_after (line 20) ... ok
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::decrement (line 39) ... ok
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::increment_ref (line 48) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::new (line 71) ... ok
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::is_immediately_before (line 10) ... ok
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::increment (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::len (line 123) ... ok
[INFO] [stdout] test src/adjacent_bound.rs - adjacent_bound::AdjacentBound::decrement_ref (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::contains (line 163) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::iter (line 82) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::clear (line 97) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::is_empty (line 145) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::insert (line 293) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::remove (line 325) ... ok
[INFO] [stdout] test src/lib.rs - Diet<T>::split (line 375) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29b94f8a48247f60bf1ecefa91e7b31f94ef4fc729e7b5b74eafcbe53ca93b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b94f8a48247f60bf1ecefa91e7b31f94ef4fc729e7b5b74eafcbe53ca93b58", kill_on_drop: false }`
[INFO] [stdout] 29b94f8a48247f60bf1ecefa91e7b31f94ef4fc729e7b5b74eafcbe53ca93b58