[INFO] fetching crate pui-arena 0.5.1...
[INFO] testing pui-arena-0.5.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pui-arena 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pui-arena 0.5.1 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 pui-arena 0.5.1
[INFO] finished tweaking crates.io crate pui-arena 0.5.1
[INFO] tweaked toml for crates.io crate pui-arena 0.5.1 written to /workspace/builds/worker-7/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8ff8f080f0132bfe59ebbbe5c98ca5fd579363f18fabea74bdb55e2d4c9446ff
[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" "8ff8f080f0132bfe59ebbbe5c98ca5fd579363f18fabea74bdb55e2d4c9446ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff8f080f0132bfe59ebbbe5c98ca5fd579363f18fabea74bdb55e2d4c9446ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff8f080f0132bfe59ebbbe5c98ca5fd579363f18fabea74bdb55e2d4c9446ff", kill_on_drop: false }`
[INFO] [stdout] 8ff8f080f0132bfe59ebbbe5c98ca5fd579363f18fabea74bdb55e2d4c9446ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 76788c25da6b1b4b6ded2603383569ecc8089293fb3828c008bf0c7937ab7815
[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" "76788c25da6b1b4b6ded2603383569ecc8089293fb3828c008bf0c7937ab7815", kill_on_drop: false }`
[INFO] [stderr]    Compiling pui-core v0.5.2
[INFO] [stderr]    Compiling pui-vec v0.5.1
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "76788c25da6b1b4b6ded2603383569ecc8089293fb3828c008bf0c7937ab7815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76788c25da6b1b4b6ded2603383569ecc8089293fb3828c008bf0c7937ab7815", kill_on_drop: false }`
[INFO] [stdout] 76788c25da6b1b4b6ded2603383569ecc8089293fb3828c008bf0c7937ab7815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 93d3c9ac8513f9d9b5530b00668460a11ede89d3605016d3c8c9dd6a67a2c9e4
[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" "93d3c9ac8513f9d9b5530b00668460a11ede89d3605016d3c8c9dd6a67a2c9e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "93d3c9ac8513f9d9b5530b00668460a11ede89d3605016d3c8c9dd6a67a2c9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d3c9ac8513f9d9b5530b00668460a11ede89d3605016d3c8c9dd6a67a2c9e4", kill_on_drop: false }`
[INFO] [stdout] 93d3c9ac8513f9d9b5530b00668460a11ede89d3605016d3c8c9dd6a67a2c9e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2dc4fc8febf6f505e2befb9dbb88c970dff169ff00385a745acb40e8ef34d8b3
[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" "2dc4fc8febf6f505e2befb9dbb88c970dff169ff00385a745acb40e8ef34d8b3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pui_arena-a7fbfd41f6630ab2)
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test base::dense::test::basic ... ok
[INFO] [stdout] test base::dense::test::basic_reinsertion ... ok
[INFO] [stdout] test base::dense::test::basic_retain ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_values_with_removal ... ok
[INFO] [stdout] test base::dense::test::zero_sized ... ok
[INFO] [stdout] test base::hop::test::basic ... ok
[INFO] [stdout] test base::hop::test::basic_reinsertion ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::basic_retain ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::hop::test::zero_sized ... ok
[INFO] [stdout] test base::sparse::test::basic_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::basic_retain ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::basic ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::zero_sized ... ok
[INFO] [stdout] test base::sparse::test::iter_values_with_removal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hop.rs (/opt/rustwide/target/debug/deps/hop-79a69fbb833f32ab)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test hop_version_exhaustion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sparse.rs (/opt/rustwide/target/debug/deps/sparse-7648d1f85d35833d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sparse_version_exhaustion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pui-arena
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 146) ... ignored
[INFO] [stdout] test src/version.rs - version::Version (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 132) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 132) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `MyCustomArena` in the crate root
[INFO] [stdout]  --> src/lib.rs:136:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct MyCustomArena;
[INFO] [stdout]   |            ^^^^^^^^^^^^^ could not find `MyCustomArena` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MyCustomArena` in module `super`
[INFO] [stdout]  --> src/lib.rs:136:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     struct MyCustomArena;
[INFO] [stdout]   |            ^^^^^^^^^^^^^ not found in `super`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pui_arena::newtype! {
[INFO] [stdout] 7   | |     struct MyCustomArena;
[INFO] [stdout] 8   | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/sparse.rs:637:1
[INFO] [stdout]     |
[INFO] [stdout] 637 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pui_arena::newtype! {
[INFO] [stdout] 7   | |     struct MyCustomArena;
[INFO] [stdout] 8   | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/hop.rs:445:1
[INFO] [stdout]     |
[INFO] [stdout] 445 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 6   | / pui_arena::newtype! {
[INFO] [stdout] 7   | |     struct MyCustomArena;
[INFO] [stdout] 8   | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/sparse.rs:637:1
[INFO] [stdout]     |
[INFO] [stdout] 637 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `_doctest_main_src_lib_rs_132_0::sparse::Arena<T>`
[INFO] [stdout]   --> src/lib.rs:139:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | let my_sparse_arena = sparse::Arena::new();
[INFO] [stdout]    |     ---------------   ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     consider giving `my_sparse_arena` the explicit type `_doctest_main_src_lib_rs_132_0::sparse::Arena<T>`, where the type parameter `T` is specified
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 132)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.36s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "2dc4fc8febf6f505e2befb9dbb88c970dff169ff00385a745acb40e8ef34d8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc4fc8febf6f505e2befb9dbb88c970dff169ff00385a745acb40e8ef34d8b3", kill_on_drop: false }`
[INFO] [stdout] 2dc4fc8febf6f505e2befb9dbb88c970dff169ff00385a745acb40e8ef34d8b3