[INFO] fetching crate avl 0.6.1...
[INFO] testing avl-0.6.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate avl 0.6.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate avl 0.6.1 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 avl 0.6.1
[INFO] finished tweaking crates.io crate avl 0.6.1
[INFO] tweaked toml for crates.io crate avl 0.6.1 written to /workspace/builds/worker-5/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1978dce622b6086bd7d8e72ff53392fa9603a35a9d1aee802becfff3cb705d08
[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" "1978dce622b6086bd7d8e72ff53392fa9603a35a9d1aee802becfff3cb705d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1978dce622b6086bd7d8e72ff53392fa9603a35a9d1aee802becfff3cb705d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1978dce622b6086bd7d8e72ff53392fa9603a35a9d1aee802becfff3cb705d08", kill_on_drop: false }`
[INFO] [stdout] 1978dce622b6086bd7d8e72ff53392fa9603a35a9d1aee802becfff3cb705d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 19850a00cae848a0fb2d8bd04e594daff0eb093ee21d8fa01625e4daf291c806
[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" "19850a00cae848a0fb2d8bd04e594daff0eb093ee21d8fa01625e4daf291c806", kill_on_drop: false }`
[INFO] [stderr]    Compiling avl v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 10 | pub mod map;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19850a00cae848a0fb2d8bd04e594daff0eb093ee21d8fa01625e4daf291c806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19850a00cae848a0fb2d8bd04e594daff0eb093ee21d8fa01625e4daf291c806", kill_on_drop: false }`
[INFO] [stdout] 19850a00cae848a0fb2d8bd04e594daff0eb093ee21d8fa01625e4daf291c806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 50e822475d0be2fd469d09d45520574d30972a1a4eefb73b3b40e6d2e24b0ba3
[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" "50e822475d0be2fd469d09d45520574d30972a1a4eefb73b3b40e6d2e24b0ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 10 | pub mod map;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling avl v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:9:7
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 10 | pub mod map;
[INFO] [stdout]    | ------------ not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "50e822475d0be2fd469d09d45520574d30972a1a4eefb73b3b40e6d2e24b0ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e822475d0be2fd469d09d45520574d30972a1a4eefb73b3b40e6d2e24b0ba3", kill_on_drop: false }`
[INFO] [stdout] 50e822475d0be2fd469d09d45520574d30972a1a4eefb73b3b40e6d2e24b0ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6724ee0e3356563344daae5ab6c7769ceb3c4c204bd799601b4a843198a2ad8a
[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" "6724ee0e3356563344daae5ab6c7769ceb3c4c204bd799601b4a843198a2ad8a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stdout] running 17 tests
[INFO] [stderr]   --> src/lib.rs:9:7
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[doc(inline)]
[INFO] [stderr]    |       ^^^^^^ only applicable on `use` items
[INFO] [stderr] 10 | pub mod map;
[INFO] [stderr]    | ------------ not a `use` item
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#docno_inlinedocinline for more information
[INFO] [stderr] 
[INFO] [stderr] warning: `avl` (lib) generated 1 warning
[INFO] [stderr] warning: `avl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/avl-7217d9019e5d9163)
[INFO] [stdout] test tests::test_set_iter ... ok
[INFO] [stdout] test tests::test_map_range_iter ... ok
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_rebalance ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_map_iter ... ok
[INFO] [stdout] test tests::test_map_entry ... ok
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_set ... ok
[INFO] [stdout] test tests::test_index_panic - should panic ... ok
[INFO] [stdout] test tests::test_set_ops ... ok
[INFO] [stdout] test tests::test_insert ... ok
[INFO] [stdout] test tests::test_insert_shuffled_range ... ok
[INFO] [stderr]    Doc-tests avl
[INFO] [stdout] test tests::test_insert_sorted_range ... ok
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/map.rs - map::AvlTreeMap (line 19) ... ok
[INFO] [stdout] test src/map/set.rs - map::set::AvlTreeSet (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6724ee0e3356563344daae5ab6c7769ceb3c4c204bd799601b4a843198a2ad8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6724ee0e3356563344daae5ab6c7769ceb3c4c204bd799601b4a843198a2ad8a", kill_on_drop: false }`
[INFO] [stdout] 6724ee0e3356563344daae5ab6c7769ceb3c4c204bd799601b4a843198a2ad8a